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_qw_stretchfactor = {0, "sv_airaccel_qw_stretchfactor", "0", "when set, the maximum acceleration increase the player may get compared to forward-acceleration when strafejumping"};
  57 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"};
  58 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"};
  59 cvar_t sv_airstopaccelerate = {0, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
  60 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"};
  61 cvar_t sv_airstrafeaccelerate = {0, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
  62 cvar_t sv_maxairstrafespeed = {0, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
  63 cvar_t sv_airstrafeaccel_qw = {0, "sv_airstrafeaccel_qw", "0", "when set, replacement for sv_airaccel_qw when just strafing"};
  64 cvar_t sv_aircontrol = {0, "sv_aircontrol", "0", "CPMA-style air control"};
  65 cvar_t sv_aircontrol_power = {0, "sv_aircontrol_power", "2", "CPMA-style air control exponent"};
  66 cvar_t sv_aircontrol_penalty = {0, "sv_aircontrol_penalty", "0", "deceleration while using CPMA-style air control"};
  67 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
  68 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
  69 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
  70 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
  71 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
  72 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"};
  73 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"};
  74 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"};
  75 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)"};
  76 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)"};
  77 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)"};
  78 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!)"};
  79 cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
  80 cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  81 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"};
  82 cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  83 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"};
  84 cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  85 cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
  86 cvar_t sv_cullentities_trace_prediction_time = {0, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
  87 cvar_t sv_cullentities_trace_entityocclusion = {0, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
  88 cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
  89 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"};
  90 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"};
  91 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
  92 cvar_t sv_echobprint = {CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
  93 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)"};
  94 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)"};
  95 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)"};
  96 cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
  97 cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
  98 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"};
  99 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 running all PlayerPostThink functions"};
 100 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"};
 101 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)"};
 102 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"};
 103 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)"};
 104 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"};
 105 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
 106 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
 107 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"};
 108 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"};
 109 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)"};
 110 cvar_t sv_gameplayfix_nudgeoutofsolid = {0, "sv_gameplayfix_nudgeoutofsolid", "0", "attempts to fix physics errors (where an object ended up in solid for some reason)"};
 111 cvar_t sv_gameplayfix_nudgeoutofsolid_separation = {0, "sv_gameplayfix_nudgeoutofsolid_separation", "0.03125", "keep objects this distance apart to prevent collision issues on seams"};
 112 cvar_t sv_gameplayfix_q2airaccelerate = {0, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
 113 cvar_t sv_gameplayfix_nogravityonground = {0, "sv_gameplayfix_nogravityonground", "0", "turn off gravity when on ground (to get rid of sliding)"};
 114 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"};
 115 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"};
 116 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)"};
 117 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)"};
 118 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"};
 119 cvar_t sv_gameplayfix_nostepmoveonsteepslopes = {0, "sv_gameplayfix_nostepmoveonsteepslopes", "0", "grude fix which prevents MOVETYPE_STEP (not swimming or flying) to move on slopes whose angle is bigger than 45 degree"};
 120 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"};
 121 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"};
 122 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)"};
 123 cvar_t sv_gameplayfix_q1bsptracelinereportstexture = {0, "sv_gameplayfix_q1bsptracelinereportstexture", "1", "enables mods to get accurate trace_texture results on q1bsp by using a surface-hitting traceline implementation rather than the standard solidbsp method, q3bsp always reports texture accurately"};
 124 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 125 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 126 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
 127 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 128 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)"};
 129 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 130 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 131 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 132 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 133 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 134 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 135 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 136 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"};
 137 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)"};
 138 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)"};
 139 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)"};
 140 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 141 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 142 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 143 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"};
 144 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"};
 145 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 146 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)"};
 147 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 148 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)"};
 149 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"};
 150 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
 151 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"};
 152 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"};
 153 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 154
 155 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 156 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 157 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 158 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 159 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 160 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 161 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 162 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 163 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 164 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)"};
 165
 166 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 167 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 168 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 169 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 170 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 171 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 172 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 173 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 174 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 175 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 176 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 177 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 178 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 179 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 180 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 181 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 182 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 183 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 184 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 185 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 186 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 187
 188 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)"};
 189 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)" };
 190 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."};
 191
 192 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 193
 194 server_t sv;
 195 server_static_t svs;
 196
 197 mempool_t *sv_mempool = NULL;
 198
 199 extern cvar_t slowmo;
 200 extern float            scr_centertime_off;
 201
 202 // MUST match effectnameindex_t in client.h
 203 static const char *standardeffectnames[EFFECT_TOTAL] =
 204 {
 205         "",
 206         "TE_GUNSHOT",
 207         "TE_GUNSHOTQUAD",
 208         "TE_SPIKE",
 209         "TE_SPIKEQUAD",
 210         "TE_SUPERSPIKE",
 211         "TE_SUPERSPIKEQUAD",
 212         "TE_WIZSPIKE",
 213         "TE_KNIGHTSPIKE",
 214         "TE_EXPLOSION",
 215         "TE_EXPLOSIONQUAD",
 216         "TE_TAREXPLOSION",
 217         "TE_TELEPORT",
 218         "TE_LAVASPLASH",
 219         "TE_SMALLFLASH",
 220         "TE_FLAMEJET",
 221         "EF_FLAME",
 222         "TE_BLOOD",
 223         "TE_SPARK",
 224         "TE_PLASMABURN",
 225         "TE_TEI_G3",
 226         "TE_TEI_SMOKE",
 227         "TE_TEI_BIGEXPLOSION",
 228         "TE_TEI_PLASMAHIT",
 229         "EF_STARDUST",
 230         "TR_ROCKET",
 231         "TR_GRENADE",
 232         "TR_BLOOD",
 233         "TR_WIZSPIKE",
 234         "TR_SLIGHTBLOOD",
 235         "TR_KNIGHTSPIKE",
 236         "TR_VORESPIKE",
 237         "TR_NEHAHRASMOKE",
 238         "TR_NEXUIZPLASMA",
 239         "TR_GLOWTRAIL",
 240         "SVC_PARTICLE"
 241 };
 242
 243 #define SV_REQFUNCS 0
 244 #define sv_reqfuncs NULL
 245
 246 //#define SV_REQFUNCS (sizeof(sv_reqfuncs) / sizeof(const char *))
 247 //static const char *sv_reqfuncs[] = {
 248 //};
 249
 250 #define SV_REQFIELDS (sizeof(sv_reqfields) / sizeof(prvm_required_field_t))
 251
 252 prvm_required_field_t sv_reqfields[] =
 253 {
 254 #define PRVM_DECLARE_serverglobalfloat(x)
 255 #define PRVM_DECLARE_serverglobalvector(x)
 256 #define PRVM_DECLARE_serverglobalstring(x)
 257 #define PRVM_DECLARE_serverglobaledict(x)
 258 #define PRVM_DECLARE_serverglobalfunction(x)
 259 #define PRVM_DECLARE_clientglobalfloat(x)
 260 #define PRVM_DECLARE_clientglobalvector(x)
 261 #define PRVM_DECLARE_clientglobalstring(x)
 262 #define PRVM_DECLARE_clientglobaledict(x)
 263 #define PRVM_DECLARE_clientglobalfunction(x)
 264 #define PRVM_DECLARE_menuglobalfloat(x)
 265 #define PRVM_DECLARE_menuglobalvector(x)
 266 #define PRVM_DECLARE_menuglobalstring(x)
 267 #define PRVM_DECLARE_menuglobaledict(x)
 268 #define PRVM_DECLARE_menuglobalfunction(x)
 269 #define PRVM_DECLARE_serverfieldfloat(x) {ev_float, #x},
 270 #define PRVM_DECLARE_serverfieldvector(x) {ev_vector, #x},
 271 #define PRVM_DECLARE_serverfieldstring(x) {ev_string, #x},
 272 #define PRVM_DECLARE_serverfieldedict(x) {ev_entity, #x},
 273 #define PRVM_DECLARE_serverfieldfunction(x) {ev_function, #x},
 274 #define PRVM_DECLARE_clientfieldfloat(x)
 275 #define PRVM_DECLARE_clientfieldvector(x)
 276 #define PRVM_DECLARE_clientfieldstring(x)
 277 #define PRVM_DECLARE_clientfieldedict(x)
 278 #define PRVM_DECLARE_clientfieldfunction(x)
 279 #define PRVM_DECLARE_menufieldfloat(x)
 280 #define PRVM_DECLARE_menufieldvector(x)
 281 #define PRVM_DECLARE_menufieldstring(x)
 282 #define PRVM_DECLARE_menufieldedict(x)
 283 #define PRVM_DECLARE_menufieldfunction(x)
 284 #define PRVM_DECLARE_serverfunction(x)
 285 #define PRVM_DECLARE_clientfunction(x)
 286 #define PRVM_DECLARE_menufunction(x)
 287 #define PRVM_DECLARE_field(x)
 288 #define PRVM_DECLARE_global(x)
 289 #define PRVM_DECLARE_function(x)
 290 #include "prvm_offsets.h"
 291 #undef PRVM_DECLARE_serverglobalfloat
 292 #undef PRVM_DECLARE_serverglobalvector
 293 #undef PRVM_DECLARE_serverglobalstring
 294 #undef PRVM_DECLARE_serverglobaledict
 295 #undef PRVM_DECLARE_serverglobalfunction
 296 #undef PRVM_DECLARE_clientglobalfloat
 297 #undef PRVM_DECLARE_clientglobalvector
 298 #undef PRVM_DECLARE_clientglobalstring
 299 #undef PRVM_DECLARE_clientglobaledict
 300 #undef PRVM_DECLARE_clientglobalfunction
 301 #undef PRVM_DECLARE_menuglobalfloat
 302 #undef PRVM_DECLARE_menuglobalvector
 303 #undef PRVM_DECLARE_menuglobalstring
 304 #undef PRVM_DECLARE_menuglobaledict
 305 #undef PRVM_DECLARE_menuglobalfunction
 306 #undef PRVM_DECLARE_serverfieldfloat
 307 #undef PRVM_DECLARE_serverfieldvector
 308 #undef PRVM_DECLARE_serverfieldstring
 309 #undef PRVM_DECLARE_serverfieldedict
 310 #undef PRVM_DECLARE_serverfieldfunction
 311 #undef PRVM_DECLARE_clientfieldfloat
 312 #undef PRVM_DECLARE_clientfieldvector
 313 #undef PRVM_DECLARE_clientfieldstring
 314 #undef PRVM_DECLARE_clientfieldedict
 315 #undef PRVM_DECLARE_clientfieldfunction
 316 #undef PRVM_DECLARE_menufieldfloat
 317 #undef PRVM_DECLARE_menufieldvector
 318 #undef PRVM_DECLARE_menufieldstring
 319 #undef PRVM_DECLARE_menufieldedict
 320 #undef PRVM_DECLARE_menufieldfunction
 321 #undef PRVM_DECLARE_serverfunction
 322 #undef PRVM_DECLARE_clientfunction
 323 #undef PRVM_DECLARE_menufunction
 324 #undef PRVM_DECLARE_field
 325 #undef PRVM_DECLARE_global
 326 #undef PRVM_DECLARE_function
 327 };
 328
 329 #define SV_REQGLOBALS (sizeof(sv_reqglobals) / sizeof(prvm_required_field_t))
 330
 331 prvm_required_field_t sv_reqglobals[] =
 332 {
 333 #define PRVM_DECLARE_serverglobalfloat(x) {ev_float, #x},
 334 #define PRVM_DECLARE_serverglobalvector(x) {ev_vector, #x},
 335 #define PRVM_DECLARE_serverglobalstring(x) {ev_string, #x},
 336 #define PRVM_DECLARE_serverglobaledict(x) {ev_entity, #x},
 337 #define PRVM_DECLARE_serverglobalfunction(x) {ev_function, #x},
 338 #define PRVM_DECLARE_clientglobalfloat(x)
 339 #define PRVM_DECLARE_clientglobalvector(x)
 340 #define PRVM_DECLARE_clientglobalstring(x)
 341 #define PRVM_DECLARE_clientglobaledict(x)
 342 #define PRVM_DECLARE_clientglobalfunction(x)
 343 #define PRVM_DECLARE_menuglobalfloat(x)
 344 #define PRVM_DECLARE_menuglobalvector(x)
 345 #define PRVM_DECLARE_menuglobalstring(x)
 346 #define PRVM_DECLARE_menuglobaledict(x)
 347 #define PRVM_DECLARE_menuglobalfunction(x)
 348 #define PRVM_DECLARE_serverfieldfloat(x)
 349 #define PRVM_DECLARE_serverfieldvector(x)
 350 #define PRVM_DECLARE_serverfieldstring(x)
 351 #define PRVM_DECLARE_serverfieldedict(x)
 352 #define PRVM_DECLARE_serverfieldfunction(x)
 353 #define PRVM_DECLARE_clientfieldfloat(x)
 354 #define PRVM_DECLARE_clientfieldvector(x)
 355 #define PRVM_DECLARE_clientfieldstring(x)
 356 #define PRVM_DECLARE_clientfieldedict(x)
 357 #define PRVM_DECLARE_clientfieldfunction(x)
 358 #define PRVM_DECLARE_menufieldfloat(x)
 359 #define PRVM_DECLARE_menufieldvector(x)
 360 #define PRVM_DECLARE_menufieldstring(x)
 361 #define PRVM_DECLARE_menufieldedict(x)
 362 #define PRVM_DECLARE_menufieldfunction(x)
 363 #define PRVM_DECLARE_serverfunction(x)
 364 #define PRVM_DECLARE_clientfunction(x)
 365 #define PRVM_DECLARE_menufunction(x)
 366 #define PRVM_DECLARE_field(x)
 367 #define PRVM_DECLARE_global(x)
 368 #define PRVM_DECLARE_function(x)
 369 #include "prvm_offsets.h"
 370 #undef PRVM_DECLARE_serverglobalfloat
 371 #undef PRVM_DECLARE_serverglobalvector
 372 #undef PRVM_DECLARE_serverglobalstring
 373 #undef PRVM_DECLARE_serverglobaledict
 374 #undef PRVM_DECLARE_serverglobalfunction
 375 #undef PRVM_DECLARE_clientglobalfloat
 376 #undef PRVM_DECLARE_clientglobalvector
 377 #undef PRVM_DECLARE_clientglobalstring
 378 #undef PRVM_DECLARE_clientglobaledict
 379 #undef PRVM_DECLARE_clientglobalfunction
 380 #undef PRVM_DECLARE_menuglobalfloat
 381 #undef PRVM_DECLARE_menuglobalvector
 382 #undef PRVM_DECLARE_menuglobalstring
 383 #undef PRVM_DECLARE_menuglobaledict
 384 #undef PRVM_DECLARE_menuglobalfunction
 385 #undef PRVM_DECLARE_serverfieldfloat
 386 #undef PRVM_DECLARE_serverfieldvector
 387 #undef PRVM_DECLARE_serverfieldstring
 388 #undef PRVM_DECLARE_serverfieldedict
 389 #undef PRVM_DECLARE_serverfieldfunction
 390 #undef PRVM_DECLARE_clientfieldfloat
 391 #undef PRVM_DECLARE_clientfieldvector
 392 #undef PRVM_DECLARE_clientfieldstring
 393 #undef PRVM_DECLARE_clientfieldedict
 394 #undef PRVM_DECLARE_clientfieldfunction
 395 #undef PRVM_DECLARE_menufieldfloat
 396 #undef PRVM_DECLARE_menufieldvector
 397 #undef PRVM_DECLARE_menufieldstring
 398 #undef PRVM_DECLARE_menufieldedict
 399 #undef PRVM_DECLARE_menufieldfunction
 400 #undef PRVM_DECLARE_serverfunction
 401 #undef PRVM_DECLARE_clientfunction
 402 #undef PRVM_DECLARE_menufunction
 403 #undef PRVM_DECLARE_field
 404 #undef PRVM_DECLARE_global
 405 #undef PRVM_DECLARE_function
 406 };
 407
 408
 409
 410 //============================================================================
 411
 412 void SV_AreaStats_f(void)
 413 {
 414         World_PrintAreaStats(&sv.world, "server");
 415 }
 416
 417 /*
 418 ===============
 419 SV_Init
 420 ===============
 421 */
 422 void SV_Init (void)
 423 {
 424         // init the csqc progs cvars, since they are updated/used by the server code
 425         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 426         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 427         extern cvar_t csqc_progcrc;
 428         extern cvar_t csqc_progsize;
 429
 430         Cvar_RegisterVariable(&sv_worldmessage);
 431         Cvar_RegisterVariable(&sv_worldname);
 432         Cvar_RegisterVariable(&sv_worldnamenoextension);
 433         Cvar_RegisterVariable(&sv_worldbasename);
 434
 435         Cvar_RegisterVariable (&csqc_progname);
 436         Cvar_RegisterVariable (&csqc_progcrc);
 437         Cvar_RegisterVariable (&csqc_progsize);
 438
 439         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 440         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 441         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 442         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
 443
 444         Cvar_RegisterVariable (&coop);
 445         Cvar_RegisterVariable (&deathmatch);
 446         Cvar_RegisterVariable (&fraglimit);
 447         Cvar_RegisterVariable (&gamecfg);
 448         Cvar_RegisterVariable (&noexit);
 449         Cvar_RegisterVariable (&nomonsters);
 450         Cvar_RegisterVariable (&pausable);
 451         Cvar_RegisterVariable (&pr_checkextension);
 452         Cvar_RegisterVariable (&samelevel);
 453         Cvar_RegisterVariable (&skill);
 454         Cvar_RegisterVariable (&slowmo);
 455         Cvar_RegisterVariable (&sv_accelerate);
 456         Cvar_RegisterVariable (&sv_aim);
 457         Cvar_RegisterVariable (&sv_airaccel_qw);
 458         Cvar_RegisterVariable (&sv_airaccel_qw_stretchfactor);
 459         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 460         Cvar_RegisterVariable (&sv_airaccelerate);
 461         Cvar_RegisterVariable (&sv_airstopaccelerate);
 462         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 463         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 464         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
 465         Cvar_RegisterVariable (&sv_airspeedlimit_nonqw);
 466         Cvar_RegisterVariable (&sv_aircontrol);
 467         Cvar_RegisterVariable (&sv_aircontrol_power);
 468         Cvar_RegisterVariable (&sv_aircontrol_penalty);
 469         Cvar_RegisterVariable (&sv_allowdownloads);
 470         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 471         Cvar_RegisterVariable (&sv_allowdownloads_config);
 472         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 473         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 474         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 475         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 476         Cvar_RegisterVariable (&sv_clmovement_enable);
 477         Cvar_RegisterVariable (&sv_clmovement_minping);
 478         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 479         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 480         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 481         Cvar_RegisterVariable (&sv_cullentities_pvs);
 482         Cvar_RegisterVariable (&sv_cullentities_stats);
 483         Cvar_RegisterVariable (&sv_cullentities_trace);
 484         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 485         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 486         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 487         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 488         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 489         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 490         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 491         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 492         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 493         Cvar_RegisterVariable (&sv_debugmove);
 494         Cvar_RegisterVariable (&sv_echobprint);
 495         Cvar_RegisterVariable (&sv_edgefriction);
 496         Cvar_RegisterVariable (&sv_entpatch);
 497         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 498         Cvar_RegisterVariable (&sv_freezenonclients);
 499         Cvar_RegisterVariable (&sv_friction);
 500         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 501         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
 502         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 503         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 504         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 505         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 506         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 507         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 508         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 509         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 510         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 511         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 512         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
 513         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_separation);
 514         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 515         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
 516         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 517         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 518         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 519         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
 520         Cvar_RegisterVariable (&sv_gameplayfix_stepmultipletimes);
 521         Cvar_RegisterVariable (&sv_gameplayfix_nostepmoveonsteepslopes);
 522         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 523         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 524         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
 525         Cvar_RegisterVariable (&sv_gameplayfix_q1bsptracelinereportstexture);
 526         Cvar_RegisterVariable (&sv_gravity);
 527         Cvar_RegisterVariable (&sv_idealpitchscale);
 528         Cvar_RegisterVariable (&sv_jumpstep);
 529         Cvar_RegisterVariable (&sv_jumpvelocity);
 530         Cvar_RegisterVariable (&sv_maxairspeed);
 531         Cvar_RegisterVariable (&sv_maxrate);
 532         Cvar_RegisterVariable (&sv_maxspeed);
 533         Cvar_RegisterVariable (&sv_maxvelocity);
 534         Cvar_RegisterVariable (&sv_nostep);
 535         Cvar_RegisterVariable (&sv_playerphysicsqc);
 536         Cvar_RegisterVariable (&sv_progs);
 537         Cvar_RegisterVariable (&sv_protocolname);
 538         Cvar_RegisterVariable (&sv_random_seed);
 539         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
 540         Cvar_RegisterVariable (&sv_sound_land);
 541         Cvar_RegisterVariable (&sv_sound_watersplash);
 542         Cvar_RegisterVariable (&sv_stepheight);
 543         Cvar_RegisterVariable (&sv_stopspeed);
 544         Cvar_RegisterVariable (&sv_wallfriction);
 545         Cvar_RegisterVariable (&sv_wateraccelerate);
 546         Cvar_RegisterVariable (&sv_waterfriction);
 547         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 548         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 549         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 550         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 551         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 552         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 553         Cvar_RegisterVariable (&sys_ticrate);
 554         Cvar_RegisterVariable (&teamplay);
 555         Cvar_RegisterVariable (&timelimit);
 556
 557         Cvar_RegisterVariable (&saved1);
 558         Cvar_RegisterVariable (&saved2);
 559         Cvar_RegisterVariable (&saved3);
 560         Cvar_RegisterVariable (&saved4);
 561         Cvar_RegisterVariable (&savedgamecfg);
 562         Cvar_RegisterVariable (&scratch1);
 563         Cvar_RegisterVariable (&scratch2);
 564         Cvar_RegisterVariable (&scratch3);
 565         Cvar_RegisterVariable (&scratch4);
 566         Cvar_RegisterVariable (&temp1);
 567
 568         // LordHavoc: Nehahra uses these to pass data around cutscene demos
 569         Cvar_RegisterVariable (&nehx00);
 570         Cvar_RegisterVariable (&nehx01);
 571         Cvar_RegisterVariable (&nehx02);
 572         Cvar_RegisterVariable (&nehx03);
 573         Cvar_RegisterVariable (&nehx04);
 574         Cvar_RegisterVariable (&nehx05);
 575         Cvar_RegisterVariable (&nehx06);
 576         Cvar_RegisterVariable (&nehx07);
 577         Cvar_RegisterVariable (&nehx08);
 578         Cvar_RegisterVariable (&nehx09);
 579         Cvar_RegisterVariable (&nehx10);
 580         Cvar_RegisterVariable (&nehx11);
 581         Cvar_RegisterVariable (&nehx12);
 582         Cvar_RegisterVariable (&nehx13);
 583         Cvar_RegisterVariable (&nehx14);
 584         Cvar_RegisterVariable (&nehx15);
 585         Cvar_RegisterVariable (&nehx16);
 586         Cvar_RegisterVariable (&nehx17);
 587         Cvar_RegisterVariable (&nehx18);
 588         Cvar_RegisterVariable (&nehx19);
 589         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 590
 591         Cvar_RegisterVariable (&sv_autodemo_perclient);
 592         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 593         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
 594
 595         Cvar_RegisterVariable (&halflifebsp);
 596
 597         sv_mempool = Mem_AllocPool("server", 0, NULL);
 598 }
 599
 600 static void SV_SaveEntFile_f(void)
 601 {
 602         if (!sv.active || !sv.worldmodel)
 603         {
 604                 Con_Print("Not running a server\n");
 605                 return;
 606         }
 607         FS_WriteFile(va("%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 608 }
 609
 610
 611 /*
 612 =============================================================================
 613
 614 EVENT MESSAGES
 615
 616 =============================================================================
 617 */
 618
 619 /*
 620 ==================
 621 SV_StartParticle
 622
 623 Make sure the event gets sent to all clients
 624 ==================
 625 */
 626 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 627 {
 628         int i;
 629
 630         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 631                 return;
 632         MSG_WriteByte (&sv.datagram, svc_particle);
 633         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 634         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 635         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 636         for (i=0 ; i<3 ; i++)
 637                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 638         MSG_WriteByte (&sv.datagram, count);
 639         MSG_WriteByte (&sv.datagram, color);
 640         SV_FlushBroadcastMessages();
 641 }
 642
 643 /*
 644 ==================
 645 SV_StartEffect
 646
 647 Make sure the event gets sent to all clients
 648 ==================
 649 */
 650 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 651 {
 652         if (modelindex >= 256 || startframe >= 256)
 653         {
 654                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 655                         return;
 656                 MSG_WriteByte (&sv.datagram, svc_effect2);
 657                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 658                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 659                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 660                 MSG_WriteShort (&sv.datagram, modelindex);
 661                 MSG_WriteShort (&sv.datagram, startframe);
 662                 MSG_WriteByte (&sv.datagram, framecount);
 663                 MSG_WriteByte (&sv.datagram, framerate);
 664         }
 665         else
 666         {
 667                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 668                         return;
 669                 MSG_WriteByte (&sv.datagram, svc_effect);
 670                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 671                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 672                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 673                 MSG_WriteByte (&sv.datagram, modelindex);
 674                 MSG_WriteByte (&sv.datagram, startframe);
 675                 MSG_WriteByte (&sv.datagram, framecount);
 676                 MSG_WriteByte (&sv.datagram, framerate);
 677         }
 678         SV_FlushBroadcastMessages();
 679 }
 680
 681 /*
 682 ==================
 683 SV_StartSound
 684
 685 Each entity can have eight independant sound sources, like voice,
 686 weapon, feet, etc.
 687
 688 Channel 0 is an auto-allocate channel, the others override anything
 689 already running on that entity/channel pair.
 690
 691 An attenuation of 0 will play full volume everywhere in the level.
 692 Larger attenuations will drop off.  (max 4 attenuation)
 693
 694 ==================
 695 */
 696 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
 697 {
 698         int sound_num, field_mask, i, ent;
 699
 700         if (volume < 0 || volume > 255)
 701         {
 702                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
 703                 return;
 704         }
 705
 706         if (attenuation < 0 || attenuation > 4)
 707         {
 708                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 709                 return;
 710         }
 711
 712         if (channel < 0 || channel > 7)
 713         {
 714                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 715                 return;
 716         }
 717
 718         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 719                 return;
 720
 721 // find precache number for sound
 722         sound_num = SV_SoundIndex(sample, 1);
 723         if (!sound_num)
 724                 return;
 725
 726         ent = PRVM_NUM_FOR_EDICT(entity);
 727
 728         field_mask = 0;
 729         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 730                 field_mask |= SND_VOLUME;
 731         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 732                 field_mask |= SND_ATTENUATION;
 733         if (ent >= 8192)
 734                 field_mask |= SND_LARGEENTITY;
 735         if (sound_num >= 256 || channel >= 8)
 736                 field_mask |= SND_LARGESOUND;
 737
 738 // directed messages go only to the entity they are targeted on
 739         MSG_WriteByte (&sv.datagram, svc_sound);
 740         MSG_WriteByte (&sv.datagram, field_mask);
 741         if (field_mask & SND_VOLUME)
 742                 MSG_WriteByte (&sv.datagram, volume);
 743         if (field_mask & SND_ATTENUATION)
 744                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 745         if (field_mask & SND_LARGEENTITY)
 746         {
 747                 MSG_WriteShort (&sv.datagram, ent);
 748                 MSG_WriteByte (&sv.datagram, channel);
 749         }
 750         else
 751                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
 752         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 753                 MSG_WriteShort (&sv.datagram, sound_num);
 754         else
 755                 MSG_WriteByte (&sv.datagram, sound_num);
 756         for (i = 0;i < 3;i++)
 757                 MSG_WriteCoord (&sv.datagram, PRVM_serveredictvector(entity, origin)[i]+0.5*(PRVM_serveredictvector(entity, mins)[i]+PRVM_serveredictvector(entity, maxs)[i]), sv.protocol);
 758         SV_FlushBroadcastMessages();
 759 }
 760
 761 /*
 762 ==================
 763 SV_StartPointSound
 764
 765 Nearly the same logic as SV_StartSound, except an origin
 766 instead of an entity is provided and channel is omitted.
 767
 768 The entity sent to the client is 0 (world) and the channel
 769 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 770 function, therefore the check for it is omitted.
 771
 772 ==================
 773 */
 774 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation)
 775 {
 776         int sound_num, field_mask, i;
 777
 778         if (volume < 0 || volume > 255)
 779         {
 780                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
 781                 return;
 782         }
 783
 784         if (attenuation < 0 || attenuation > 4)
 785         {
 786                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 787                 return;
 788         }
 789
 790         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 791                 return;
 792
 793         // find precache number for sound
 794         sound_num = SV_SoundIndex(sample, 1);
 795         if (!sound_num)
 796                 return;
 797
 798         field_mask = 0;
 799         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 800                 field_mask |= SND_VOLUME;
 801         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 802                 field_mask |= SND_ATTENUATION;
 803         if (sound_num >= 256)
 804                 field_mask |= SND_LARGESOUND;
 805
 806 // directed messages go only to the entity they are targeted on
 807         MSG_WriteByte (&sv.datagram, svc_sound);
 808         MSG_WriteByte (&sv.datagram, field_mask);
 809         if (field_mask & SND_VOLUME)
 810                 MSG_WriteByte (&sv.datagram, volume);
 811         if (field_mask & SND_ATTENUATION)
 812                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 813         // Always write entnum 0 for the world entity
 814         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 815         if (field_mask & SND_LARGESOUND)
 816                 MSG_WriteShort (&sv.datagram, sound_num);
 817         else
 818                 MSG_WriteByte (&sv.datagram, sound_num);
 819         for (i = 0;i < 3;i++)
 820                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 821         SV_FlushBroadcastMessages();
 822 }
 823
 824 /*
 825 ==============================================================================
 826
 827 CLIENT SPAWNING
 828
 829 ==============================================================================
 830 */
 831
 832 /*
 833 ================
 834 SV_SendServerinfo
 835
 836 Sends the first message from the server to a connected client.
 837 This will be sent on the initial connection and upon each server load.
 838 ================
 839 */
 840 void SV_SendServerinfo (client_t *client)
 841 {
 842         int i;
 843         char message[128];
 844
 845         // we know that this client has a netconnection and thus is not a bot
 846
 847         // edicts get reallocated on level changes, so we need to update it here
 848         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 849
 850         // clear cached stuff that depends on the level
 851         client->weaponmodel[0] = 0;
 852         client->weaponmodelindex = 0;
 853
 854         // LordHavoc: clear entityframe tracking
 855         client->latestframenum = 0;
 856
 857         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 858         client->cmd.time = sv.time;
 859
 860         if (client->entitydatabase)
 861                 EntityFrame_FreeDatabase(client->entitydatabase);
 862         if (client->entitydatabase4)
 863                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 864         if (client->entitydatabase5)
 865                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 866
 867         memset(client->stats, 0, sizeof(client->stats));
 868         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 869
 870         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)
 871         {
 872                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 873                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 874                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 875                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 876                 else
 877                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 878         }
 879
 880         // reset csqc entity versions
 881         for (i = 0;i < prog->max_edicts;i++)
 882         {
 883                 client->csqcentityscope[i] = 0;
 884                 client->csqcentitysendflags[i] = 0xFFFFFF;
 885                 client->csqcentityglobalhistory[i] = 0;
 886         }
 887         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 888         {
 889                 client->csqcentityframehistory[i].num = 0;
 890                 client->csqcentityframehistory[i].framenum = -1;
 891         }
 892         client->csqcnumedicts = 0;
 893         client->csqcentityframehistory_next = 0;
 894
 895         SZ_Clear (&client->netconnection->message);
 896         MSG_WriteByte (&client->netconnection->message, svc_print);
 897         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
 898         MSG_WriteString (&client->netconnection->message,message);
 899
 900         SV_StopDemoRecording(client); // to split up demos into different files
 901         if(sv_autodemo_perclient.integer && client->netconnection)
 902         {
 903                 char demofile[MAX_OSPATH];
 904                 char ipaddress[MAX_QPATH];
 905                 size_t i;
 906
 907                 // start a new demo file
 908                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 909                 for(i = 0; ipaddress[i]; ++i)
 910                         if(!isalnum(ipaddress[i]))
 911                                 ipaddress[i] = '-';
 912                 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);
 913
 914                 SV_StartDemoRecording(client, demofile, -1);
 915         }
 916
 917         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 918         if (sv.csqc_progname[0])
 919         {
 920                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 921                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 922                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
 923                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 924                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
 925                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 926                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
 927
 928                 if(client->sv_demo_file != NULL)
 929                 {
 930                         int i;
 931                         static char buf[NET_MAXMESSAGE];
 932                         sizebuf_t sb;
 933
 934                         sb.data = (unsigned char *) buf;
 935                         sb.maxsize = sizeof(buf);
 936                         i = 0;
 937                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
 938                                 SV_WriteDemoMessage(client, &sb, false);
 939                 }
 940
 941                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 942                 if (PRVM_GetString(PRVM_serverglobalstring(SV_InitCmd)))
 943                 {
 944                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 945                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(PRVM_serverglobalstring(SV_InitCmd))));
 946                 }
 947         }
 948
 949         //if (sv_allowdownloads.integer)
 950         // always send the info that the server supports the protocol, even if downloads are forbidden
 951         // only because of that, the CSQC exception can work
 952         {
 953                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 954                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
 955         }
 956
 957         // send at this time so it's guaranteed to get executed at the right time
 958         {
 959                 client_t *save;
 960                 save = host_client;
 961                 host_client = client;
 962                 Curl_SendRequirements();
 963                 host_client = save;
 964         }
 965
 966         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
 967         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
 968         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
 969
 970         if (!coop.integer && deathmatch.integer)
 971                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
 972         else
 973                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
 974
 975         MSG_WriteString (&client->netconnection->message,PRVM_GetString(PRVM_serveredictstring(prog->edicts, message)));
 976
 977         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
 978                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
 979         MSG_WriteByte (&client->netconnection->message, 0);
 980
 981         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
 982                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
 983         MSG_WriteByte (&client->netconnection->message, 0);
 984
 985 // send music
 986         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
 987         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
 988         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
 989
 990 // set view
 991 // store this in clientcamera, too
 992         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
 993         MSG_WriteByte (&client->netconnection->message, svc_setview);
 994         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
 995
 996         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
 997         MSG_WriteByte (&client->netconnection->message, 1);
 998
 999         client->spawned = false;                // need prespawn, spawn, etc
1000         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
1001
1002         // clear movement info until client enters the new level properly
1003         memset(&client->cmd, 0, sizeof(client->cmd));
1004         client->movesequence = 0;
1005         client->movement_highestsequence_seen = 0;
1006         memset(&client->movement_count, 0, sizeof(client->movement_count));
1007 #ifdef NUM_PING_TIMES
1008         for (i = 0;i < NUM_PING_TIMES;i++)
1009                 client->ping_times[i] = 0;
1010         client->num_pings = 0;
1011 #endif
1012         client->ping = 0;
1013
1014         // allow the client some time to send his keepalives, even if map loading took ages
1015         client->netconnection->timeout = realtime + net_connecttimeout.value;
1016 }
1017
1018 /*
1019 ================
1020 SV_ConnectClient
1021
1022 Initializes a client_t for a new net connection.  This will only be called
1023 once for a player each game, not once for each level change.
1024 ================
1025 */
1026 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
1027 {
1028         client_t                *client;
1029         int                             i;
1030
1031         client = svs.clients + clientnum;
1032
1033 // set up the client_t
1034         if (sv.loadgame)
1035         {
1036                 float backupparms[NUM_SPAWN_PARMS];
1037                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
1038                 memset(client, 0, sizeof(*client));
1039                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
1040         }
1041         else
1042                 memset(client, 0, sizeof(*client));
1043         client->active = true;
1044         client->netconnection = netconnection;
1045
1046         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
1047
1048         if(client->netconnection && client->netconnection->crypto.authenticated)
1049         {
1050                 Con_Printf("%s connection to %s has been established: client is %s@%.*s, I am %.*s@%.*s\n",
1051                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
1052                                 client->netconnection->address,
1053                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
1054                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1055                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1056                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1057                                 );
1058         }
1059
1060         strlcpy(client->name, "unconnected", sizeof(client->name));
1061         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1062         client->spawned = false;
1063         client->edict = PRVM_EDICT_NUM(clientnum+1);
1064         if (client->netconnection)
1065                 client->netconnection->message.allowoverflow = true;            // we can catch it
1066         // prepare the unreliable message buffer
1067         client->unreliablemsg.data = client->unreliablemsg_data;
1068         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1069         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1070         client->rate = 1000000000;
1071         // no limits for local player
1072         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
1073                 client->rate = 1000000000;
1074         client->connecttime = realtime;
1075
1076         if (!sv.loadgame)
1077         {
1078                 // call the progs to get default spawn parms for the new client
1079                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1080                 PRVM_serverglobaledict(self) = 0;
1081                 PRVM_ExecuteProgram (PRVM_serverfunction(SetNewParms), "QC function SetNewParms is missing");
1082                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1083                         client->spawn_parms[i] = (&PRVM_serverglobalfloat(parm1))[i];
1084
1085                 // set up the entity for this client (including .colormap, .team, etc)
1086                 PRVM_ED_ClearEdict(client->edict);
1087         }
1088
1089         // don't call SendServerinfo for a fresh botclient because its fields have
1090         // not been set up by the qc yet
1091         if (client->netconnection)
1092                 SV_SendServerinfo (client);
1093         else
1094                 client->spawned = true;
1095 }
1096
1097
1098 /*
1099 ===============================================================================
1100
1101 FRAME UPDATES
1102
1103 ===============================================================================
1104 */
1105
1106 /*
1107 =============================================================================
1108
1109 The PVS must include a small area around the client to allow head bobbing
1110 or other small motion on the client side.  Otherwise, a bob might cause an
1111 entity that should be visible to not show up, especially when the bob
1112 crosses a waterline.
1113
1114 =============================================================================
1115 */
1116
1117 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1118 {
1119         int i;
1120         unsigned int sendflags;
1121         unsigned int version;
1122         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1123         unsigned int customizeentityforclient;
1124         unsigned int sendentity;
1125         float f;
1126         float *v;
1127         vec3_t cullmins, cullmaxs;
1128         dp_model_t *model;
1129
1130         // fast path for games that do not use legacy entity networking
1131         // note: still networks clients even if they are legacy
1132         sendentity = PRVM_serveredictfunction(ent, SendEntity);
1133         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1134                 return false;
1135
1136         // this 2 billion unit check is actually to detect NAN origins
1137         // (we really don't want to send those)
1138         if (!(VectorLength2(PRVM_serveredictvector(ent, origin)) < 2000000000.0*2000000000.0))
1139                 return false;
1140
1141         // EF_NODRAW prevents sending for any reason except for your own
1142         // client, so we must keep all clients in this superset
1143         effects = (unsigned)PRVM_serveredictfloat(ent, effects);
1144
1145         // we can omit invisible entities with no effects that are not clients
1146         // LordHavoc: this could kill tags attached to an invisible entity, I
1147         // just hope we never have to support that case
1148         i = (int)PRVM_serveredictfloat(ent, modelindex);
1149         modelindex = (i >= 1 && i < MAX_MODELS && PRVM_serveredictstring(ent, model) && *PRVM_GetString(PRVM_serveredictstring(ent, model)) && sv.models[i]) ? i : 0;
1150
1151         flags = 0;
1152         i = (int)(PRVM_serveredictfloat(ent, glow_size) * 0.25f);
1153         glowsize = (unsigned char)bound(0, i, 255);
1154         if (PRVM_serveredictfloat(ent, glow_trail))
1155                 flags |= RENDER_GLOWTRAIL;
1156         if (PRVM_serveredictedict(ent, viewmodelforclient))
1157                 flags |= RENDER_VIEWMODEL;
1158
1159         v = PRVM_serveredictvector(ent, color);
1160         f = v[0]*256;
1161         light[0] = (unsigned short)bound(0, f, 65535);
1162         f = v[1]*256;
1163         light[1] = (unsigned short)bound(0, f, 65535);
1164         f = v[2]*256;
1165         light[2] = (unsigned short)bound(0, f, 65535);
1166         f = PRVM_serveredictfloat(ent, light_lev);
1167         light[3] = (unsigned short)bound(0, f, 65535);
1168         lightstyle = (unsigned char)PRVM_serveredictfloat(ent, style);
1169         lightpflags = (unsigned char)PRVM_serveredictfloat(ent, pflags);
1170
1171         if (gamemode == GAME_TENEBRAE)
1172         {
1173                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1174                 if (effects & 16)
1175                 {
1176                         effects &= ~16;
1177                         lightpflags |= PFLAGS_FULLDYNAMIC;
1178                 }
1179                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1180                 if (effects & 32)
1181                 {
1182                         effects &= ~32;
1183                         light[0] = (int)(0.2*256);
1184                         light[1] = (int)(1.0*256);
1185                         light[2] = (int)(0.2*256);
1186                         light[3] = 200;
1187                         lightpflags |= PFLAGS_FULLDYNAMIC;
1188                 }
1189         }
1190
1191         specialvisibilityradius = 0;
1192         if (lightpflags & PFLAGS_FULLDYNAMIC)
1193                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1194         if (glowsize)
1195                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1196         if (flags & RENDER_GLOWTRAIL)
1197                 specialvisibilityradius = max(specialvisibilityradius, 100);
1198         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1199         {
1200                 if (effects & EF_BRIGHTFIELD)
1201                         specialvisibilityradius = max(specialvisibilityradius, 80);
1202                 if (effects & EF_MUZZLEFLASH)
1203                         specialvisibilityradius = max(specialvisibilityradius, 100);
1204                 if (effects & EF_BRIGHTLIGHT)
1205                         specialvisibilityradius = max(specialvisibilityradius, 400);
1206                 if (effects & EF_DIMLIGHT)
1207                         specialvisibilityradius = max(specialvisibilityradius, 200);
1208                 if (effects & EF_RED)
1209                         specialvisibilityradius = max(specialvisibilityradius, 200);
1210                 if (effects & EF_BLUE)
1211                         specialvisibilityradius = max(specialvisibilityradius, 200);
1212                 if (effects & EF_FLAME)
1213                         specialvisibilityradius = max(specialvisibilityradius, 250);
1214                 if (effects & EF_STARDUST)
1215                         specialvisibilityradius = max(specialvisibilityradius, 100);
1216         }
1217
1218         // early culling checks
1219         // (final culling is done by SV_MarkWriteEntityStateToClient)
1220         customizeentityforclient = PRVM_serveredictfunction(ent, customizeentityforclient);
1221         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1222                 return false;
1223
1224         *cs = defaultstate;
1225         cs->active = ACTIVE_NETWORK;
1226         cs->number = enumber;
1227         VectorCopy(PRVM_serveredictvector(ent, origin), cs->origin);
1228         VectorCopy(PRVM_serveredictvector(ent, angles), cs->angles);
1229         cs->flags = flags;
1230         cs->effects = effects;
1231         cs->colormap = (unsigned)PRVM_serveredictfloat(ent, colormap);
1232         cs->modelindex = modelindex;
1233         cs->skin = (unsigned)PRVM_serveredictfloat(ent, skin);
1234         cs->frame = (unsigned)PRVM_serveredictfloat(ent, frame);
1235         cs->viewmodelforclient = PRVM_serveredictedict(ent, viewmodelforclient);
1236         cs->exteriormodelforclient = PRVM_serveredictedict(ent, exteriormodeltoclient);
1237         cs->nodrawtoclient = PRVM_serveredictedict(ent, nodrawtoclient);
1238         cs->drawonlytoclient = PRVM_serveredictedict(ent, drawonlytoclient);
1239         cs->customizeentityforclient = customizeentityforclient;
1240         cs->tagentity = PRVM_serveredictedict(ent, tag_entity);
1241         cs->tagindex = (unsigned char)PRVM_serveredictfloat(ent, tag_index);
1242         cs->glowsize = glowsize;
1243         cs->traileffectnum = PRVM_serveredictfloat(ent, traileffectnum);
1244
1245         // don't need to init cs->colormod because the defaultstate did that for us
1246         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1247         v = PRVM_serveredictvector(ent, colormod);
1248         if (VectorLength2(v))
1249         {
1250                 i = (int)(v[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1251                 i = (int)(v[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1252                 i = (int)(v[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1253         }
1254
1255         // don't need to init cs->glowmod because the defaultstate did that for us
1256         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1257         v = PRVM_serveredictvector(ent, glowmod);
1258         if (VectorLength2(v))
1259         {
1260                 i = (int)(v[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1261                 i = (int)(v[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1262                 i = (int)(v[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1263         }
1264
1265         cs->modelindex = modelindex;
1266
1267         cs->alpha = 255;
1268         f = (PRVM_serveredictfloat(ent, alpha) * 255.0f);
1269         if (f)
1270         {
1271                 i = (int)f;
1272                 cs->alpha = (unsigned char)bound(0, i, 255);
1273         }
1274         // halflife
1275         f = (PRVM_serveredictfloat(ent, renderamt));
1276         if (f)
1277         {
1278                 i = (int)f;
1279                 cs->alpha = (unsigned char)bound(0, i, 255);
1280         }
1281
1282         cs->scale = 16;
1283         f = (PRVM_serveredictfloat(ent, scale) * 16.0f);
1284         if (f)
1285         {
1286                 i = (int)f;
1287                 cs->scale = (unsigned char)bound(0, i, 255);
1288         }
1289
1290         cs->glowcolor = 254;
1291         f = PRVM_serveredictfloat(ent, glow_color);
1292         if (f)
1293                 cs->glowcolor = (int)f;
1294
1295         if (PRVM_serveredictfloat(ent, fullbright))
1296                 cs->effects |= EF_FULLBRIGHT;
1297
1298         f = PRVM_serveredictfloat(ent, modelflags);
1299         if (f)
1300                 cs->effects |= ((unsigned int)f & 0xff) << 24;
1301
1302         if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
1303                 cs->flags |= RENDER_STEP;
1304         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)
1305                 cs->flags |= RENDER_LOWPRECISION;
1306         if (PRVM_serveredictfloat(ent, colormap) >= 1024)
1307                 cs->flags |= RENDER_COLORMAPPED;
1308         if (cs->viewmodelforclient)
1309                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1310
1311         if (PRVM_serveredictfloat(ent, sendcomplexanimation))
1312         {
1313                 cs->flags |= RENDER_COMPLEXANIMATION;
1314                 if (PRVM_serveredictfloat(ent, skeletonindex) >= 1)
1315                         cs->skeletonobject = ent->priv.server->skeleton;
1316                 cs->framegroupblend[0].frame = PRVM_serveredictfloat(ent, frame);
1317                 cs->framegroupblend[1].frame = PRVM_serveredictfloat(ent, frame2);
1318                 cs->framegroupblend[2].frame = PRVM_serveredictfloat(ent, frame3);
1319                 cs->framegroupblend[3].frame = PRVM_serveredictfloat(ent, frame4);
1320                 cs->framegroupblend[0].start = PRVM_serveredictfloat(ent, frame1time);
1321                 cs->framegroupblend[1].start = PRVM_serveredictfloat(ent, frame2time);
1322                 cs->framegroupblend[2].start = PRVM_serveredictfloat(ent, frame3time);
1323                 cs->framegroupblend[3].start = PRVM_serveredictfloat(ent, frame4time);
1324                 cs->framegroupblend[1].lerp = PRVM_serveredictfloat(ent, lerpfrac);
1325                 cs->framegroupblend[2].lerp = PRVM_serveredictfloat(ent, lerpfrac3);
1326                 cs->framegroupblend[3].lerp = PRVM_serveredictfloat(ent, lerpfrac4);
1327                 cs->framegroupblend[0].lerp = 1.0f - cs->framegroupblend[1].lerp - cs->framegroupblend[2].lerp - cs->framegroupblend[3].lerp;
1328         }
1329
1330         cs->light[0] = light[0];
1331         cs->light[1] = light[1];
1332         cs->light[2] = light[2];
1333         cs->light[3] = light[3];
1334         cs->lightstyle = lightstyle;
1335         cs->lightpflags = lightpflags;
1336
1337         cs->specialvisibilityradius = specialvisibilityradius;
1338
1339         // calculate the visible box of this entity (don't use the physics box
1340         // as that is often smaller than a model, and would not count
1341         // specialvisibilityradius)
1342         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1343         {
1344                 float scale = cs->scale * (1.0f / 16.0f);
1345                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1346                 {
1347                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1348                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1349                 }
1350                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1351                 {
1352                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1353                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1354                 }
1355                 else
1356                 {
1357                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1358                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1359                 }
1360         }
1361         else
1362         {
1363                 // if there is no model (or it could not be loaded), use the physics box
1364                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, mins), cullmins);
1365                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, maxs), cullmaxs);
1366         }
1367         if (specialvisibilityradius)
1368         {
1369                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1370                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1371                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1372                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1373                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1374                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1375         }
1376
1377         // calculate center of bbox for network prioritization purposes
1378         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1379
1380         // if culling box has moved, update pvs cluster links
1381         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1382         {
1383                 VectorCopy(cullmins, ent->priv.server->cullmins);
1384                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1385                 // a value of -1 for pvs_numclusters indicates that the links are not
1386                 // cached, and should be re-tested each time, this is the case if the
1387                 // culling box touches too many pvs clusters to store, or if the world
1388                 // model does not support FindBoxClusters
1389                 ent->priv.server->pvs_numclusters = -1;
1390                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1391                 {
1392                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1393                         if (i <= MAX_ENTITYCLUSTERS)
1394                                 ent->priv.server->pvs_numclusters = i;
1395                 }
1396         }
1397
1398         // we need to do some csqc entity upkeep here
1399         // get self.SendFlags and clear them
1400         // (to let the QC know that they've been read)
1401         if (sendentity)
1402         {
1403                 sendflags = (unsigned int)PRVM_serveredictfloat(ent, SendFlags);
1404                 PRVM_serveredictfloat(ent, SendFlags) = 0;
1405                 // legacy self.Version system
1406                 if ((version = (unsigned int)PRVM_serveredictfloat(ent, Version)))
1407                 {
1408                         if (sv.csqcentityversion[enumber] != version)
1409                                 sendflags = 0xFFFFFF;
1410                         sv.csqcentityversion[enumber] = version;
1411                 }
1412                 // move sendflags into the per-client sendflags
1413                 if (sendflags)
1414                         for (i = 0;i < svs.maxclients;i++)
1415                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1416                 // mark it as inactive for non-csqc networking
1417                 cs->active = ACTIVE_SHARED;
1418         }
1419
1420         return true;
1421 }
1422
1423 void SV_PrepareEntitiesForSending(void)
1424 {
1425         int e;
1426         prvm_edict_t *ent;
1427         // send all entities that touch the pvs
1428         sv.numsendentities = 0;
1429         sv.sendentitiesindex[0] = NULL;
1430         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1431         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1432         {
1433                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1434                 {
1435                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1436                         sv.numsendentities++;
1437                 }
1438         }
1439 }
1440
1441 #define MAX_LINEOFSIGHTTRACES 64
1442
1443 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1444 {
1445         float pitchsign;
1446         float alpha;
1447         float starttransformed[3], endtransformed[3];
1448         int blocked = 0;
1449         int traceindex;
1450         int originalnumtouchedicts;
1451         int numtouchedicts = 0;
1452         int touchindex;
1453         matrix4x4_t matrix, imatrix;
1454         dp_model_t *model;
1455         prvm_edict_t *touch;
1456         static prvm_edict_t *touchedicts[MAX_EDICTS];
1457         vec3_t boxmins, boxmaxs;
1458         vec3_t clipboxmins, clipboxmaxs;
1459         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1460
1461         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1462
1463         // expand the box a little
1464         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1465         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1466         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1467         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1468         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1469         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1470
1471         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1472         for (traceindex = 1;traceindex < numtraces;traceindex++)
1473                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1474
1475         // calculate sweep box for the entire swarm of traces
1476         VectorCopy(eye, clipboxmins);
1477         VectorCopy(eye, clipboxmaxs);
1478         for (traceindex = 0;traceindex < numtraces;traceindex++)
1479         {
1480                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1481                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1482                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1483                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1484                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1485                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1486         }
1487
1488         // get the list of entities in the sweep box
1489         if (sv_cullentities_trace_entityocclusion.integer)
1490                 numtouchedicts = World_EntitiesInBox(&sv.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1491         if (numtouchedicts > MAX_EDICTS)
1492         {
1493                 // this never happens
1494                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1495                 numtouchedicts = MAX_EDICTS;
1496         }
1497         // iterate the entities found in the sweep box and filter them
1498         originalnumtouchedicts = numtouchedicts;
1499         numtouchedicts = 0;
1500         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1501         {
1502                 touch = touchedicts[touchindex];
1503                 if (PRVM_serveredictfloat(touch, solid) != SOLID_BSP)
1504                         continue;
1505                 model = SV_GetModelFromEdict(touch);
1506                 if (!model || !model->brush.TraceLineOfSight)
1507                         continue;
1508                 // skip obviously transparent entities
1509                 alpha = PRVM_serveredictfloat(touch, alpha);
1510                 if (alpha && alpha < 1)
1511                         continue;
1512                 if ((int)PRVM_serveredictfloat(touch, effects) & EF_ADDITIVE)
1513                         continue;
1514                 touchedicts[numtouchedicts++] = touch;
1515         }
1516
1517         // now that we have a filtered list of "interesting" entities, fire each
1518         // ray against all of them, this gives us an early-out case when something
1519         // is visible (which it often is)
1520
1521         for (traceindex = 0;traceindex < numtraces;traceindex++)
1522         {
1523                 // check world occlusion
1524                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1525                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1526                                 continue;
1527                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1528                 {
1529                         touch = touchedicts[touchindex];
1530                         model = SV_GetModelFromEdict(touch);
1531                         if(model && model->brush.TraceLineOfSight)
1532                         {
1533                                 // get the entity matrix
1534                                 pitchsign = SV_GetPitchSign(touch);
1535                                 Matrix4x4_CreateFromQuakeEntity(&matrix, PRVM_serveredictvector(touch, origin)[0], PRVM_serveredictvector(touch, origin)[1], PRVM_serveredictvector(touch, origin)[2], pitchsign * PRVM_serveredictvector(touch, angles)[0], PRVM_serveredictvector(touch, angles)[1], PRVM_serveredictvector(touch, angles)[2], 1);
1536                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1537                                 // see if the ray hits this entity
1538                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1539                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1540                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1541                                 {
1542                                         blocked++;
1543                                         break;
1544                                 }
1545                         }
1546                 }
1547                 // check if the ray was blocked
1548                 if (touchindex < numtouchedicts)
1549                         continue;
1550                 // return if the ray was not blocked
1551                 return true;
1552         }
1553
1554         // no rays survived
1555         return false;
1556 }
1557
1558 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1559 {
1560         int isbmodel;
1561         dp_model_t *model;
1562         prvm_edict_t *ed;
1563         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1564                 return;
1565         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1566         sv.writeentitiestoclient_stats_totalentities++;
1567
1568         if (s->customizeentityforclient)
1569         {
1570                 PRVM_serverglobaledict(self) = s->number;
1571                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1572                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1573                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1574                         return;
1575         }
1576
1577         // never reject player
1578         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1579         {
1580                 // check various rejection conditions
1581                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1582                         return;
1583                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1584                         return;
1585                 if (s->effects & EF_NODRAW)
1586                         return;
1587                 // LordHavoc: only send entities with a model or important effects
1588                 if (!s->modelindex && s->specialvisibilityradius == 0)
1589                         return;
1590
1591                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1592                 // viewmodels don't have visibility checking
1593                 if (s->viewmodelforclient)
1594                 {
1595                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1596                                 return;
1597                 }
1598                 else if (s->tagentity)
1599                 {
1600                         // tag attached entities simply check their parent
1601                         if (!sv.sendentitiesindex[s->tagentity])
1602                                 return;
1603                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1604                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1605                                 return;
1606                 }
1607                 // always send world submodels in newer protocols because they don't
1608                 // generate much traffic (in old protocols they hog bandwidth)
1609                 // but only if sv_cullentities_nevercullbmodels is off
1610                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1611                 {
1612                         // entity has survived every check so far, check if visible
1613                         ed = PRVM_EDICT_NUM(s->number);
1614
1615                         // if not touching a visible leaf
1616                         if (sv_cullentities_pvs.integer && !r_novis.integer && !r_trippy.integer && sv.writeentitiestoclient_pvsbytes)
1617                         {
1618                                 if (ed->priv.server->pvs_numclusters < 0)
1619                                 {
1620                                         // entity too big for clusters list
1621                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1622                                         {
1623                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1624                                                 return;
1625                                         }
1626                                 }
1627                                 else
1628                                 {
1629                                         int i;
1630                                         // check cached clusters list
1631                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1632                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1633                                                         break;
1634                                         if (i == ed->priv.server->pvs_numclusters)
1635                                         {
1636                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1637                                                 return;
1638                                         }
1639                                 }
1640                         }
1641
1642                         // or not seen by random tracelines
1643                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight && !r_trippy.integer)
1644                         {
1645                                 int samples =
1646                                         s->number <= svs.maxclients
1647                                                 ? sv_cullentities_trace_samples_players.integer
1648                                                 :
1649                                         s->specialvisibilityradius
1650                                                 ? sv_cullentities_trace_samples_extra.integer
1651                                                 : sv_cullentities_trace_samples.integer;
1652                                 float enlarge = sv_cullentities_trace_enlarge.value;
1653
1654                                 if(samples > 0)
1655                                 {
1656                                         int eyeindex;
1657                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1658                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1659                                                         break;
1660                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1661                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1662                                                         realtime + (
1663                                                                 s->number <= svs.maxclients
1664                                                                         ? sv_cullentities_trace_delay_players.value
1665                                                                         : sv_cullentities_trace_delay.value
1666                                                         );
1667                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1668                                         {
1669                                                 sv.writeentitiestoclient_stats_culled_trace++;
1670                                                 return;
1671                                         }
1672                                 }
1673                         }
1674                 }
1675         }
1676
1677         // this just marks it for sending
1678         // FIXME: it would be more efficient to send here, but the entity
1679         // compressor isn't that flexible
1680         sv.writeentitiestoclient_stats_visibleentities++;
1681         sv.sententities[s->number] = sv.sententitiesmark;
1682 }
1683
1684 #if MAX_LEVELNETWORKEYES > 0
1685 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1686 void SV_AddCameraEyes(void)
1687 {
1688         int e, i, j, k;
1689         prvm_edict_t *ed;
1690         static int cameras[MAX_LEVELNETWORKEYES];
1691         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1692         static int eye_levels[MAX_CLIENTNETWORKEYES];
1693         int n_cameras = 0;
1694         vec3_t mi, ma;
1695
1696         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1697                 eye_levels[i] = 0;
1698
1699         // check line of sight to portal entities and add them to PVS
1700         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1701         {
1702                 if (!ed->priv.server->free)
1703                 {
1704                         if(PRVM_serveredictfunction(ed, camera_transform))
1705                         {
1706                                 PRVM_serverglobaledict(self) = e;
1707                                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1708                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_serverglobalvector(trace_endpos));
1709                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1710                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1711                                 PRVM_ExecuteProgram(PRVM_serveredictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1712                                 if(!VectorCompare(PRVM_serverglobalvector(trace_endpos), sv.writeentitiestoclient_eyes[0]))
1713                                 {
1714                                         VectorCopy(PRVM_serverglobalvector(trace_endpos), camera_origins[n_cameras]);
1715                                         cameras[n_cameras] = e;
1716                                         ++n_cameras;
1717                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1718                                                 break;
1719                                 }
1720                         }
1721                 }
1722         }
1723
1724         if(!n_cameras)
1725                 return;
1726
1727         // i is loop counter, is reset to 0 when an eye got added
1728         // j is camera index to check
1729         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1730         {
1731                 if(!cameras[j])
1732                         continue;
1733                 ed = PRVM_EDICT_NUM(cameras[j]);
1734                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, mins), mi);
1735                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, maxs), ma);
1736                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1737                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1738                 {
1739                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1740                         {
1741                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1742                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1743                                 // 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);
1744                                 sv.writeentitiestoclient_numeyes++;
1745                                 cameras[j] = 0;
1746                                 i = 0;
1747                                 break;
1748                         }
1749                 }
1750         }
1751 }
1752 #else
1753 void SV_AddCameraEyes(void)
1754 {
1755 }
1756 #endif
1757
1758 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1759 {
1760         qboolean need_empty = false;
1761         int i, numsendstates, numcsqcsendstates;
1762         entity_state_t *s;
1763         prvm_edict_t *camera;
1764         qboolean success;
1765         vec3_t eye;
1766
1767         // if there isn't enough space to accomplish anything, skip it
1768         if (msg->cursize + 25 > maxsize)
1769                 return;
1770
1771         sv.writeentitiestoclient_msg = msg;
1772         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1773
1774         sv.writeentitiestoclient_stats_culled_pvs = 0;
1775         sv.writeentitiestoclient_stats_culled_trace = 0;
1776         sv.writeentitiestoclient_stats_visibleentities = 0;
1777         sv.writeentitiestoclient_stats_totalentities = 0;
1778         sv.writeentitiestoclient_numeyes = 0;
1779
1780         // get eye location
1781         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1782         camera = PRVM_EDICT_NUM( client->clientcamera );
1783         VectorAdd(PRVM_serveredictvector(camera, origin), PRVM_serveredictvector(clent, view_ofs), eye);
1784         sv.writeentitiestoclient_pvsbytes = 0;
1785         // get the PVS values for the eye location, later FatPVS calls will merge
1786         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1787                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1788
1789         // add the eye to a list for SV_CanSeeBox tests
1790         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1791         sv.writeentitiestoclient_numeyes++;
1792
1793         // calculate predicted eye origin for SV_CanSeeBox tests
1794         if (sv_cullentities_trace_prediction.integer)
1795         {
1796                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1797                 vec3_t predeye;
1798                 VectorMA(eye, predtime, PRVM_serveredictvector(camera, velocity), predeye);
1799                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1800                 {
1801                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1802                         sv.writeentitiestoclient_numeyes++;
1803                 }
1804                 //if (!sv.writeentitiestoclient_useprediction)
1805                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1806         }
1807
1808         SV_AddCameraEyes();
1809
1810         // build PVS from the new eyes
1811         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1812                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1813                         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);
1814
1815         sv.sententitiesmark++;
1816
1817         for (i = 0;i < sv.numsendentities;i++)
1818                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1819
1820         numsendstates = 0;
1821         numcsqcsendstates = 0;
1822         for (i = 0;i < sv.numsendentities;i++)
1823         {
1824                 s = &sv.sendentities[i];
1825                 if (sv.sententities[s->number] == sv.sententitiesmark)
1826                 {
1827                         if(s->active == ACTIVE_NETWORK)
1828                         {
1829                                 if (s->exteriormodelforclient)
1830                                 {
1831                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1832                                                 s->flags |= RENDER_EXTERIORMODEL;
1833                                         else
1834                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1835                                 }
1836                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1837                         }
1838                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1839                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1840                         else
1841                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1842                 }
1843         }
1844
1845         if (sv_cullentities_stats.integer)
1846                 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);
1847
1848         if(client->entitydatabase5)
1849                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1850         else
1851                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1852
1853         if(client->num_skippedentityframes >= 10)
1854                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1855
1856         if (client->entitydatabase5)
1857                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1858         else if (client->entitydatabase4)
1859         {
1860                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1861                 Protocol_WriteStatsReliable();
1862         }
1863         else if (client->entitydatabase)
1864         {
1865                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1866                 Protocol_WriteStatsReliable();
1867         }
1868         else
1869         {
1870                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1871                 Protocol_WriteStatsReliable();
1872         }
1873
1874         if(success)
1875                 client->num_skippedentityframes = 0;
1876         else
1877                 ++client->num_skippedentityframes;
1878 }
1879
1880 /*
1881 =============
1882 SV_CleanupEnts
1883
1884 =============
1885 */
1886 static void SV_CleanupEnts (void)
1887 {
1888         int             e;
1889         prvm_edict_t    *ent;
1890
1891         ent = PRVM_NEXT_EDICT(prog->edicts);
1892         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1893                 PRVM_serveredictfloat(ent, effects) = (int)PRVM_serveredictfloat(ent, effects) & ~EF_MUZZLEFLASH;
1894 }
1895
1896 /*
1897 ==================
1898 SV_WriteClientdataToMessage
1899
1900 ==================
1901 */
1902 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1903 {
1904         int             bits;
1905         int             i;
1906         prvm_edict_t    *other;
1907         int             items;
1908         vec3_t  punchvector;
1909         int             viewzoom;
1910         const char *s;
1911         float   *statsf = (float *)stats;
1912         float gravity;
1913
1914 //
1915 // send a damage message
1916 //
1917         if (PRVM_serveredictfloat(ent, dmg_take) || PRVM_serveredictfloat(ent, dmg_save))
1918         {
1919                 other = PRVM_PROG_TO_EDICT(PRVM_serveredictedict(ent, dmg_inflictor));
1920                 MSG_WriteByte (msg, svc_damage);
1921                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_save));
1922                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_take));
1923                 for (i=0 ; i<3 ; i++)
1924                         MSG_WriteCoord (msg, PRVM_serveredictvector(other, origin)[i] + 0.5*(PRVM_serveredictvector(other, mins)[i] + PRVM_serveredictvector(other, maxs)[i]), sv.protocol);
1925
1926                 PRVM_serveredictfloat(ent, dmg_take) = 0;
1927                 PRVM_serveredictfloat(ent, dmg_save) = 0;
1928         }
1929
1930 //
1931 // send the current viewpos offset from the view entity
1932 //
1933         SV_SetIdealPitch ();            // how much to look up / down ideally
1934
1935 // a fixangle might get lost in a dropped packet.  Oh well.
1936         if(PRVM_serveredictfloat(ent, fixangle))
1937         {
1938                 // angle fixing was requested by global thinking code...
1939                 // so store the current angles for later use
1940                 memcpy(host_client->fixangle_angles, PRVM_serveredictvector(ent, angles), sizeof(host_client->fixangle_angles));
1941                 host_client->fixangle_angles_set = TRUE;
1942
1943                 // and clear fixangle for the next frame
1944                 PRVM_serveredictfloat(ent, fixangle) = 0;
1945         }
1946
1947         if (host_client->fixangle_angles_set)
1948         {
1949                 MSG_WriteByte (msg, svc_setangle);
1950                 for (i=0 ; i < 3 ; i++)
1951                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1952                 host_client->fixangle_angles_set = FALSE;
1953         }
1954
1955         // stuff the sigil bits into the high bits of items for sbar, or else
1956         // mix in items2
1957         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1958                 items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serveredictfloat(ent, items2) << 23);
1959         else
1960                 items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serverglobalfloat(serverflags) << 28);
1961
1962         VectorCopy(PRVM_serveredictvector(ent, punchvector), punchvector);
1963
1964         // cache weapon model name and index in client struct to save time
1965         // (this search can be almost 1% of cpu time!)
1966         s = PRVM_GetString(PRVM_serveredictstring(ent, weaponmodel));
1967         if (strcmp(s, client->weaponmodel))
1968         {
1969                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1970                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1971         }
1972
1973         viewzoom = (int)(PRVM_serveredictfloat(ent, viewzoom) * 255.0f);
1974         if (viewzoom == 0)
1975                 viewzoom = 255;
1976
1977         bits = 0;
1978
1979         if ((int)PRVM_serveredictfloat(ent, flags) & FL_ONGROUND)
1980                 bits |= SU_ONGROUND;
1981         if (PRVM_serveredictfloat(ent, waterlevel) >= 2)
1982                 bits |= SU_INWATER;
1983         if (PRVM_serveredictfloat(ent, idealpitch))
1984                 bits |= SU_IDEALPITCH;
1985
1986         for (i=0 ; i<3 ; i++)
1987         {
1988                 if (PRVM_serveredictvector(ent, punchangle)[i])
1989                         bits |= (SU_PUNCH1<<i);
1990                 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)
1991                         if (punchvector[i])
1992                                 bits |= (SU_PUNCHVEC1<<i);
1993                 if (PRVM_serveredictvector(ent, velocity)[i])
1994                         bits |= (SU_VELOCITY1<<i);
1995         }
1996
1997         gravity = PRVM_serveredictfloat(ent, gravity);if (!gravity) gravity = 1.0f;
1998
1999         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
2000         stats[STAT_VIEWHEIGHT] = (int)PRVM_serveredictvector(ent, view_ofs)[2];
2001         stats[STAT_ITEMS] = items;
2002         stats[STAT_WEAPONFRAME] = (int)PRVM_serveredictfloat(ent, weaponframe);
2003         stats[STAT_ARMOR] = (int)PRVM_serveredictfloat(ent, armorvalue);
2004         stats[STAT_WEAPON] = client->weaponmodelindex;
2005         stats[STAT_HEALTH] = (int)PRVM_serveredictfloat(ent, health);
2006         stats[STAT_AMMO] = (int)PRVM_serveredictfloat(ent, currentammo);
2007         stats[STAT_SHELLS] = (int)PRVM_serveredictfloat(ent, ammo_shells);
2008         stats[STAT_NAILS] = (int)PRVM_serveredictfloat(ent, ammo_nails);
2009         stats[STAT_ROCKETS] = (int)PRVM_serveredictfloat(ent, ammo_rockets);
2010         stats[STAT_CELLS] = (int)PRVM_serveredictfloat(ent, ammo_cells);
2011         stats[STAT_ACTIVEWEAPON] = (int)PRVM_serveredictfloat(ent, weapon);
2012         stats[STAT_VIEWZOOM] = viewzoom;
2013         stats[STAT_TOTALSECRETS] = (int)PRVM_serverglobalfloat(total_secrets);
2014         stats[STAT_TOTALMONSTERS] = (int)PRVM_serverglobalfloat(total_monsters);
2015         // the QC bumps these itself by sending svc_'s, so we have to keep them
2016         // zero or they'll be corrected by the engine
2017         //stats[STAT_SECRETS] = PRVM_serverglobalfloat(found_secrets);
2018         //stats[STAT_MONSTERS] = PRVM_serverglobalfloat(killed_monsters);
2019
2020         // movement settings for prediction
2021         // note: these are not sent in protocols with lower MAX_CL_STATS limits
2022         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
2023                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
2024                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
2025                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
2026         ;
2027         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
2028         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
2029         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
2030         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
2031         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
2032         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
2033         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
2034         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
2035         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
2036         statsf[STAT_MOVEVARS_ENTGRAVITY] = gravity;
2037         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
2038         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
2039         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
2040         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
2041         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
2042         statsf[STAT_MOVEVARS_AIRACCEL_QW_STRETCHFACTOR] = sv_airaccel_qw_stretchfactor.value;
2043         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
2044         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
2045         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
2046         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
2047         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
2048         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
2049         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
2050         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
2051         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
2052         statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
2053         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
2054         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
2055         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2056         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2057         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2058         statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2059         statsf[STAT_FRAGLIMIT] = fraglimit.value;
2060         statsf[STAT_TIMELIMIT] = timelimit.value;
2061
2062         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)
2063         {
2064                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2065                 bits |= SU_ITEMS;
2066                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2067                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2068                 bits |= SU_WEAPON;
2069                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2070                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2071                         if (viewzoom != 255)
2072                                 bits |= SU_VIEWZOOM;
2073         }
2074
2075         if (bits >= 65536)
2076                 bits |= SU_EXTEND1;
2077         if (bits >= 16777216)
2078                 bits |= SU_EXTEND2;
2079
2080         // send the data
2081         MSG_WriteByte (msg, svc_clientdata);
2082         MSG_WriteShort (msg, bits);
2083         if (bits & SU_EXTEND1)
2084                 MSG_WriteByte(msg, bits >> 16);
2085         if (bits & SU_EXTEND2)
2086                 MSG_WriteByte(msg, bits >> 24);
2087
2088         if (bits & SU_VIEWHEIGHT)
2089                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2090
2091         if (bits & SU_IDEALPITCH)
2092                 MSG_WriteChar (msg, (int)PRVM_serveredictfloat(ent, idealpitch));
2093
2094         for (i=0 ; i<3 ; i++)
2095         {
2096                 if (bits & (SU_PUNCH1<<i))
2097                 {
2098                         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)
2099                                 MSG_WriteChar(msg, (int)PRVM_serveredictvector(ent, punchangle)[i]);
2100                         else
2101                                 MSG_WriteAngle16i(msg, PRVM_serveredictvector(ent, punchangle)[i]);
2102                 }
2103                 if (bits & (SU_PUNCHVEC1<<i))
2104                 {
2105                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2106                                 MSG_WriteCoord16i(msg, punchvector[i]);
2107                         else
2108                                 MSG_WriteCoord32f(msg, punchvector[i]);
2109                 }
2110                 if (bits & (SU_VELOCITY1<<i))
2111                 {
2112                         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)
2113                                 MSG_WriteChar(msg, (int)(PRVM_serveredictvector(ent, velocity)[i] * (1.0f / 16.0f)));
2114                         else
2115                                 MSG_WriteCoord32f(msg, PRVM_serveredictvector(ent, velocity)[i]);
2116                 }
2117         }
2118
2119         if (bits & SU_ITEMS)
2120                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2121
2122         if (sv.protocol == PROTOCOL_DARKPLACES5)
2123         {
2124                 if (bits & SU_WEAPONFRAME)
2125                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2126                 if (bits & SU_ARMOR)
2127                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2128                 if (bits & SU_WEAPON)
2129                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2130                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2131                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2132                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2133                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2134                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2135                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2136                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2137                 if (bits & SU_VIEWZOOM)
2138                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2139         }
2140         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)
2141         {
2142                 if (bits & SU_WEAPONFRAME)
2143                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2144                 if (bits & SU_ARMOR)
2145                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2146                 if (bits & SU_WEAPON)
2147                 {
2148                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2149                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2150                         else
2151                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2152                 }
2153                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2154                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2155                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2156                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2157                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2158                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2159                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
2160                 {
2161                         for (i = 0;i < 32;i++)
2162                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2163                                         break;
2164                         MSG_WriteByte (msg, i);
2165                 }
2166                 else
2167                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2168                 if (bits & SU_VIEWZOOM)
2169                 {
2170                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2171                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2172                         else
2173                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2174                 }
2175         }
2176 }
2177
2178 void SV_FlushBroadcastMessages(void)
2179 {
2180         int i;
2181         client_t *client;
2182         if (sv.datagram.cursize <= 0)
2183                 return;
2184         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2185         {
2186                 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])))
2187                         continue;
2188                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2189                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2190         }
2191         SZ_Clear(&sv.datagram);
2192 }
2193
2194 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2195 {
2196         // scan the splitpoints to find out how many we can fit in
2197         int numsegments, j, split;
2198         if (!client->unreliablemsg_splitpoints)
2199                 return;
2200         // always accept the first one if it's within 1024 bytes, this ensures
2201         // that very big datagrams which are over the rate limit still get
2202         // through, just to keep it working
2203         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2204                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2205                         break;
2206         // the first segment gets an exemption from the rate limiting, otherwise
2207         // it could get dropped consistently due to a low rate limit
2208         if (numsegments == 1)
2209                 maxsize = maxsize2;
2210         // some will fit, so add the ones that will fit
2211         split = client->unreliablemsg_splitpoint[numsegments-1];
2212         // note this discards ones that were accepted by the segments scan but
2213         // can not fit, such as a really huge first one that will never ever
2214         // fit in a packet...
2215         if (msg->cursize + split <= maxsize)
2216                 SZ_Write(msg, client->unreliablemsg.data, split);
2217         // remove the part we sent, keeping any remaining data
2218         client->unreliablemsg.cursize -= split;
2219         if (client->unreliablemsg.cursize > 0)
2220                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2221         // adjust remaining splitpoints
2222         client->unreliablemsg_splitpoints -= numsegments;
2223         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2224                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2225 }
2226
2227 /*
2228 =======================
2229 SV_SendClientDatagram
2230 =======================
2231 */
2232 static void SV_SendClientDatagram (client_t *client)
2233 {
2234         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2235         sizebuf_t msg;
2236         int stats[MAX_CL_STATS];
2237         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2238
2239         // obey rate limit by limiting packet frequency if the packet size
2240         // limiting fails
2241         // (usually this is caused by reliable messages)
2242         if (!NetConn_CanSend(client->netconnection))
2243                 return;
2244
2245         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2246         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2247         if (sv_maxrate.integer != maxrate)
2248                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2249
2250         // clientrate determines the 'cleartime' of a packet
2251         // (how long to wait before sending another, based on this packet's size)
2252         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2253
2254         switch (sv.protocol)
2255         {
2256         case PROTOCOL_QUAKE:
2257         case PROTOCOL_QUAKEDP:
2258         case PROTOCOL_NEHAHRAMOVIE:
2259         case PROTOCOL_NEHAHRABJP:
2260         case PROTOCOL_NEHAHRABJP2:
2261         case PROTOCOL_NEHAHRABJP3:
2262         case PROTOCOL_QUAKEWORLD:
2263                 // no packet size limit support on Quake protocols because it just
2264                 // causes missing entities/effects
2265                 // packets are simply sent less often to obey the rate limit
2266                 maxsize = 1024;
2267                 maxsize2 = 1024;
2268                 break;
2269         case PROTOCOL_DARKPLACES1:
2270         case PROTOCOL_DARKPLACES2:
2271         case PROTOCOL_DARKPLACES3:
2272         case PROTOCOL_DARKPLACES4:
2273                 // no packet size limit support on DP1-4 protocols because they kick
2274                 // the client off if they overflow, and miss effects
2275                 // packets are simply sent less often to obey the rate limit
2276                 maxsize = sizeof(sv_sendclientdatagram_buf);
2277                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2278                 break;
2279         default:
2280                 // DP5 and later protocols support packet size limiting which is a
2281                 // better method than limiting packet frequency as QW does
2282                 //
2283                 // at very low rates (or very small sys_ticrate) the packet size is
2284                 // not reduced below 128, but packets may be sent less often
2285                 maxsize = (int)(clientrate * sys_ticrate.value);
2286                 maxsize = bound(128, maxsize, 1400);
2287                 maxsize2 = 1400;
2288                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2289                 // mods that use csqc (they are likely to use less bandwidth anyway)
2290                 if (sv.csqc_progsize > 0)
2291                         maxsize = maxsize2;
2292                 break;
2293         }
2294
2295         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2296         {
2297                 // for good singleplayer, send huge packets
2298                 maxsize = sizeof(sv_sendclientdatagram_buf);
2299                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2300                 // never limit frequency in singleplayer
2301                 clientrate = 1000000000;
2302         }
2303
2304         // while downloading, limit entity updates to half the packet
2305         // (any leftover space will be used for downloading)
2306         if (host_client->download_file)
2307                 maxsize /= 2;
2308
2309         msg.data = sv_sendclientdatagram_buf;
2310         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2311         msg.cursize = 0;
2312         msg.allowoverflow = false;
2313
2314         if (host_client->spawned)
2315         {
2316                 // the player is in the game
2317                 MSG_WriteByte (&msg, svc_time);
2318                 MSG_WriteFloat (&msg, sv.time);
2319
2320                 // add the client specific data to the datagram
2321                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2322                 // now update the stats[] array using any registered custom fields
2323                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2324                 // set host_client->statsdeltabits
2325                 Protocol_UpdateClientStats (stats);
2326
2327                 // add as many queued unreliable messages (effects) as we can fit
2328                 // limit effects to half of the remaining space
2329                 if (client->unreliablemsg.cursize)
2330                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2331
2332                 // now write as many entities as we can fit, and also sends stats
2333                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2334         }
2335         else if (realtime > client->keepalivetime)
2336         {
2337                 // the player isn't totally in the game yet
2338                 // send small keepalive messages if too much time has passed
2339                 // (may also be sending downloads)
2340                 client->keepalivetime = realtime + 5;
2341                 MSG_WriteChar (&msg, svc_nop);
2342         }
2343
2344         // if a download is active, see if there is room to fit some download data
2345         // in this packet
2346         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2347         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2348         {
2349                 fs_offset_t downloadstart;
2350                 unsigned char data[1400];
2351                 downloadstart = FS_Tell(host_client->download_file);
2352                 downloadsize = min(downloadsize, (int)sizeof(data));
2353                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2354                 // note this sends empty messages if at the end of the file, which is
2355                 // necessary to keep the packet loss logic working
2356                 // (the last blocks may be lost and need to be re-sent, and that will
2357                 //  only occur if the client acks the empty end messages, revealing
2358                 //  a gap in the download progress, causing the last blocks to be
2359                 //  sent again)
2360                 MSG_WriteChar (&msg, svc_downloaddata);
2361                 MSG_WriteLong (&msg, downloadstart);
2362                 MSG_WriteShort (&msg, downloadsize);
2363                 if (downloadsize > 0)
2364                         SZ_Write (&msg, data, downloadsize);
2365         }
2366
2367         // reliable only if none is in progress
2368         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2369                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2370         // unreliable
2371         SV_WriteDemoMessage(client, &msg, false);
2372
2373 // send the datagram
2374         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2375         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2376                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2377 }
2378
2379 /*
2380 =======================
2381 SV_UpdateToReliableMessages
2382 =======================
2383 */
2384 static void SV_UpdateToReliableMessages (void)
2385 {
2386         int i, j;
2387         client_t *client;
2388         const char *name;
2389         const char *model;
2390         const char *skin;
2391         int clientcamera;
2392
2393 // check for changes to be sent over the reliable streams
2394         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2395         {
2396                 // update the host_client fields we care about according to the entity fields
2397                 host_client->edict = PRVM_EDICT_NUM(i+1);
2398
2399                 // DP_SV_CLIENTNAME
2400                 name = PRVM_GetString(PRVM_serveredictstring(host_client->edict, netname));
2401                 if (name == NULL)
2402                         name = "";
2403                 // always point the string back at host_client->name to keep it safe
2404                 strlcpy (host_client->name, name, sizeof (host_client->name));
2405                 PRVM_serveredictstring(host_client->edict, netname) = PRVM_SetEngineString(host_client->name);
2406                 if (strcmp(host_client->old_name, host_client->name))
2407                 {
2408                         if (host_client->spawned)
2409                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2410                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2411                         // send notification to all clients
2412                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2413                         MSG_WriteByte (&sv.reliable_datagram, i);
2414                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2415                         SV_WriteNetnameIntoDemo(host_client);
2416                 }
2417
2418                 // DP_SV_CLIENTCOLORS
2419                 host_client->colors = (int)PRVM_serveredictfloat(host_client->edict, clientcolors);
2420                 if (host_client->old_colors != host_client->colors)
2421                 {
2422                         host_client->old_colors = host_client->colors;
2423                         // send notification to all clients
2424                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2425                         MSG_WriteByte (&sv.reliable_datagram, i);
2426                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2427                 }
2428
2429                 // NEXUIZ_PLAYERMODEL
2430                 model = PRVM_GetString(PRVM_serveredictstring(host_client->edict, playermodel));
2431                 if (model == NULL)
2432                         model = "";
2433                 // always point the string back at host_client->name to keep it safe
2434                 strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2435                 PRVM_serveredictstring(host_client->edict, playermodel) = PRVM_SetEngineString(host_client->playermodel);
2436
2437                 // NEXUIZ_PLAYERSKIN
2438                 skin = PRVM_GetString(PRVM_serveredictstring(host_client->edict, playerskin));
2439                 if (skin == NULL)
2440                         skin = "";
2441                 // always point the string back at host_client->name to keep it safe
2442                 strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2443                 PRVM_serveredictstring(host_client->edict, playerskin) = PRVM_SetEngineString(host_client->playerskin);
2444
2445                 // TODO: add an extension name for this [1/17/2008 Black]
2446                 clientcamera = PRVM_serveredictedict(host_client->edict, clientcamera);
2447                 if (clientcamera > 0)
2448                 {
2449                         int oldclientcamera = host_client->clientcamera;
2450                         if (clientcamera >= prog->max_edicts || PRVM_EDICT_NUM(clientcamera)->priv.required->free)
2451                                 clientcamera = PRVM_NUM_FOR_EDICT(host_client->edict);
2452                         host_client->clientcamera = clientcamera;
2453
2454                         if (oldclientcamera != host_client->clientcamera)
2455                         {
2456                                 MSG_WriteByte(&host_client->netconnection->message, svc_setview);
2457                                 MSG_WriteShort(&host_client->netconnection->message, host_client->clientcamera);
2458                         }
2459                 }
2460
2461                 // frags
2462                 host_client->frags = (int)PRVM_serveredictfloat(host_client->edict, frags);
2463                 if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2464                         if(!host_client->spawned && host_client->netconnection)
2465                                 host_client->frags = -666;
2466                 if (host_client->old_frags != host_client->frags)
2467                 {
2468                         host_client->old_frags = host_client->frags;
2469                         // send notification to all clients
2470                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2471                         MSG_WriteByte (&sv.reliable_datagram, i);
2472                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2473                 }
2474         }
2475
2476         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2477                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2478                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2479
2480         SZ_Clear (&sv.reliable_datagram);
2481 }
2482
2483
2484 /*
2485 =======================
2486 SV_SendClientMessages
2487 =======================
2488 */
2489 void SV_SendClientMessages (void)
2490 {
2491         int i, prepared = false;
2492
2493         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2494                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2495
2496         SV_FlushBroadcastMessages();
2497
2498 // update frags, names, etc
2499         SV_UpdateToReliableMessages();
2500
2501 // build individual updates
2502         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2503         {
2504                 if (!host_client->active)
2505                         continue;
2506                 if (!host_client->netconnection)
2507                         continue;
2508
2509                 if (host_client->netconnection->message.overflowed)
2510                 {
2511                         SV_DropClient (true);   // if the message couldn't send, kick off
2512                         continue;
2513                 }
2514
2515                 if (!prepared)
2516                 {
2517                         prepared = true;
2518                         // only prepare entities once per frame
2519                         SV_PrepareEntitiesForSending();
2520                 }
2521                 SV_SendClientDatagram (host_client);
2522         }
2523
2524 // clear muzzle flashes
2525         SV_CleanupEnts();
2526 }
2527
2528 static void SV_StartDownload_f(void)
2529 {
2530         if (host_client->download_file)
2531                 host_client->download_started = true;
2532 }
2533
2534 /*
2535  * Compression extension negotiation:
2536  *
2537  * Server to client:
2538  *   cl_serverextension_download 2
2539  *
2540  * Client to server:
2541  *   download <filename> <list of zero or more suppported compressions in order of preference>
2542  * e.g.
2543  *   download maps/map1.bsp lzo deflate huffman
2544  *
2545  * Server to client:
2546  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2547  * e.g.
2548  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2549  *
2550  * The server may choose not to compress the file by sending no compression name, like:
2551  *   cl_downloadbegin 345678 maps/map1.bsp
2552  *
2553  * NOTE: the "download" command may only specify compression algorithms if
2554  *       cl_serverextension_download is 2!
2555  *       If cl_serverextension_download has a different value, the client must
2556  *       assume this extension is not supported!
2557  */
2558
2559 static void Download_CheckExtensions(void)
2560 {
2561         int i;
2562         int argc = Cmd_Argc();
2563
2564         // first reset them all
2565         host_client->download_deflate = false;
2566
2567         for(i = 2; i < argc; ++i)
2568         {
2569                 if(!strcmp(Cmd_Argv(i), "deflate"))
2570                 {
2571                         host_client->download_deflate = true;
2572                         break;
2573                 }
2574         }
2575 }
2576
2577 static void SV_Download_f(void)
2578 {
2579         const char *whichpack, *whichpack2, *extension;
2580         qboolean is_csqc; // so we need to check only once
2581
2582         if (Cmd_Argc() < 2)
2583         {
2584                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2585                 SV_ClientPrintf("       supported extensions: deflate\n");
2586                 return;
2587         }
2588
2589         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2590         {
2591                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2592                 return;
2593         }
2594
2595         if (host_client->download_file)
2596         {
2597                 // at this point we'll assume the previous download should be aborted
2598                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2599                 Host_ClientCommands("\nstopdownload\n");
2600
2601                 // close the file and reset variables
2602                 FS_Close(host_client->download_file);
2603                 host_client->download_file = NULL;
2604                 host_client->download_name[0] = 0;
2605                 host_client->download_expectedposition = 0;
2606                 host_client->download_started = false;
2607         }
2608
2609         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2610
2611         if (!sv_allowdownloads.integer && !is_csqc)
2612         {
2613                 SV_ClientPrintf("Downloads are disabled on this server\n");
2614                 Host_ClientCommands("\nstopdownload\n");
2615                 return;
2616         }
2617
2618         Download_CheckExtensions();
2619
2620         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2621         extension = FS_FileExtension(host_client->download_name);
2622
2623         // host_client is asking to download a specified file
2624         if (developer_extra.integer)
2625                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2626
2627         if(is_csqc)
2628         {
2629                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2630                 extensions[0] = '\0';
2631
2632                 if(host_client->download_deflate)
2633                         strlcat(extensions, " deflate", sizeof(extensions));
2634
2635                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2636
2637                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2638                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2639                 else
2640                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2641
2642                 // no, no space is needed between %s and %s :P
2643                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2644
2645                 host_client->download_expectedposition = 0;
2646                 host_client->download_started = false;
2647                 host_client->sendsignon = true; // make sure this message is sent
2648                 return;
2649         }
2650
2651         if (!FS_FileExists(host_client->download_name))
2652         {
2653                 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);
2654                 Host_ClientCommands("\nstopdownload\n");
2655                 return;
2656         }
2657
2658         // check if the user is trying to download part of registered Quake(r)
2659         whichpack = FS_WhichPack(host_client->download_name);
2660         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2661         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2662         {
2663                 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);
2664                 Host_ClientCommands("\nstopdownload\n");
2665                 return;
2666         }
2667
2668         // check if the server has forbidden archive downloads entirely
2669         if (!sv_allowdownloads_inarchive.integer)
2670         {
2671                 whichpack = FS_WhichPack(host_client->download_name);
2672                 if (whichpack)
2673                 {
2674                         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);
2675                         Host_ClientCommands("\nstopdownload\n");
2676                         return;
2677                 }
2678         }
2679
2680         if (!sv_allowdownloads_config.integer)
2681         {
2682                 if (!strcasecmp(extension, "cfg"))
2683                 {
2684                         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);
2685                         Host_ClientCommands("\nstopdownload\n");
2686                         return;
2687                 }
2688         }
2689
2690         if (!sv_allowdownloads_dlcache.integer)
2691         {
2692                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2693                 {
2694                         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);
2695                         Host_ClientCommands("\nstopdownload\n");
2696                         return;
2697                 }
2698         }
2699
2700         if (!sv_allowdownloads_archive.integer)
2701         {
2702                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2703                 {
2704                         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);
2705                         Host_ClientCommands("\nstopdownload\n");
2706                         return;
2707                 }
2708         }
2709
2710         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2711         if (!host_client->download_file)
2712         {
2713                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2714                 Host_ClientCommands("\nstopdownload\n");
2715                 return;
2716         }
2717
2718         if (FS_FileSize(host_client->download_file) > 1<<30)
2719         {
2720                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2721                 Host_ClientCommands("\nstopdownload\n");
2722                 FS_Close(host_client->download_file);
2723                 host_client->download_file = NULL;
2724                 return;
2725         }
2726
2727         if (FS_FileSize(host_client->download_file) < 0)
2728         {
2729                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2730                 Host_ClientCommands("\nstopdownload\n");
2731                 FS_Close(host_client->download_file);
2732                 host_client->download_file = NULL;
2733                 return;
2734         }
2735
2736         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2737
2738         /*
2739          * we can only do this if we would actually deflate on the fly
2740          * which we do not (yet)!
2741         {
2742                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2743                 extensions[0] = '\0';
2744
2745                 if(host_client->download_deflate)
2746                         strlcat(extensions, " deflate", sizeof(extensions));
2747
2748                 // no, no space is needed between %s and %s :P
2749                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2750         }
2751         */
2752         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2753
2754         host_client->download_expectedposition = 0;
2755         host_client->download_started = false;
2756         host_client->sendsignon = true; // make sure this message is sent
2757
2758         // the rest of the download process is handled in SV_SendClientDatagram
2759         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2760         //
2761         // no svc_downloaddata messages will be sent until sv_startdownload is
2762         // sent by the client
2763 }
2764
2765 /*
2766 ==============================================================================
2767
2768 SERVER SPAWNING
2769
2770 ==============================================================================
2771 */
2772
2773 /*
2774 ================
2775 SV_ModelIndex
2776
2777 ================
2778 */
2779 int SV_ModelIndex(const char *s, int precachemode)
2780 {
2781         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);
2782         char filename[MAX_QPATH];
2783         if (!s || !*s)
2784                 return 0;
2785         // testing
2786         //if (precachemode == 2)
2787         //      return 0;
2788         strlcpy(filename, s, sizeof(filename));
2789         for (i = 2;i < limit;i++)
2790         {
2791                 if (!sv.model_precache[i][0])
2792                 {
2793                         if (precachemode)
2794                         {
2795                                 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))
2796                                 {
2797                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2798                                         return 0;
2799                                 }
2800                                 if (precachemode == 1)
2801                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2802                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2803                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2804                                 if (sv.state != ss_loading)
2805                                 {
2806                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2807                                         MSG_WriteShort(&sv.reliable_datagram, i);
2808                                         MSG_WriteString(&sv.reliable_datagram, filename);
2809                                 }
2810                                 return i;
2811                         }
2812                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2813                         return 0;
2814                 }
2815                 if (!strcmp(sv.model_precache[i], filename))
2816                         return i;
2817         }
2818         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2819         return 0;
2820 }
2821
2822 /*
2823 ================
2824 SV_SoundIndex
2825
2826 ================
2827 */
2828 int SV_SoundIndex(const char *s, int precachemode)
2829 {
2830         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);
2831         char filename[MAX_QPATH];
2832         if (!s || !*s)
2833                 return 0;
2834         // testing
2835         //if (precachemode == 2)
2836         //      return 0;
2837         strlcpy(filename, s, sizeof(filename));
2838         for (i = 1;i < limit;i++)
2839         {
2840                 if (!sv.sound_precache[i][0])
2841                 {
2842                         if (precachemode)
2843                         {
2844                                 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))
2845                                 {
2846                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2847                                         return 0;
2848                                 }
2849                                 if (precachemode == 1)
2850                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2851                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2852                                 if (sv.state != ss_loading)
2853                                 {
2854                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2855                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2856                                         MSG_WriteString(&sv.reliable_datagram, filename);
2857                                 }
2858                                 return i;
2859                         }
2860                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2861                         return 0;
2862                 }
2863                 if (!strcmp(sv.sound_precache[i], filename))
2864                         return i;
2865         }
2866         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2867         return 0;
2868 }
2869
2870 /*
2871 ================
2872 SV_ParticleEffectIndex
2873
2874 ================
2875 */
2876 int SV_ParticleEffectIndex(const char *name)
2877 {
2878         int i, argc, linenumber, effectnameindex;
2879         int filepass;
2880         fs_offset_t filesize;
2881         unsigned char *filedata;
2882         const char *text;
2883         const char *textstart;
2884         //const char *textend;
2885         char argv[16][1024];
2886         char filename[MAX_QPATH];
2887         if (!sv.particleeffectnamesloaded)
2888         {
2889                 sv.particleeffectnamesloaded = true;
2890                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2891                 for (i = 0;i < EFFECT_TOTAL;i++)
2892                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2893                 for (filepass = 0;;filepass++)
2894                 {
2895                         if (filepass == 0)
2896                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2897                         else if (filepass == 1)
2898                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
2899                         else
2900                                 break;
2901                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2902                         if (!filedata)
2903                                 continue;
2904                         textstart = (const char *)filedata;
2905                         //textend = (const char *)filedata + filesize;
2906                         text = textstart;
2907                         for (linenumber = 1;;linenumber++)
2908                         {
2909                                 argc = 0;
2910                                 for (;;)
2911                                 {
2912                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2913                                                 break;
2914                                         if (argc < 16)
2915                                         {
2916                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2917                                                 argc++;
2918                                         }
2919                                 }
2920                                 if (com_token[0] == 0)
2921                                         break; // if the loop exited and it's not a \n, it's EOF
2922                                 if (argc < 1)
2923                                         continue;
2924                                 if (!strcmp(argv[0], "effect"))
2925                                 {
2926                                         if (argc == 2)
2927                                         {
2928                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2929                                                 {
2930                                                         if (sv.particleeffectname[effectnameindex][0])
2931                                                         {
2932                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2933                                                                         break;
2934                                                         }
2935                                                         else
2936                                                         {
2937                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2938                                                                 break;
2939                                                         }
2940                                                 }
2941                                                 // if we run out of names, abort
2942                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2943                                                 {
2944                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
2945                                                         break;
2946                                                 }
2947                                         }
2948                                 }
2949                         }
2950                         Mem_Free(filedata);
2951                 }
2952         }
2953         // search for the name
2954         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2955                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2956                         return effectnameindex;
2957         // return 0 if we couldn't find it
2958         return 0;
2959 }
2960
2961 dp_model_t *SV_GetModelByIndex(int modelindex)
2962 {
2963         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2964 }
2965
2966 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
2967 {
2968         int modelindex;
2969         if (!ed || ed->priv.server->free)
2970                 return NULL;
2971         modelindex = (int)PRVM_serveredictfloat(ed, modelindex);
2972         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2973 }
2974
2975 /*
2976 ================
2977 SV_CreateBaseline
2978
2979 ================
2980 */
2981 static void SV_CreateBaseline (void)
2982 {
2983         int i, entnum, large;
2984         prvm_edict_t *svent;
2985
2986         // LordHavoc: clear *all* states (note just active ones)
2987         for (entnum = 0;entnum < prog->max_edicts;entnum++)
2988         {
2989                 // get the current server version
2990                 svent = PRVM_EDICT_NUM(entnum);
2991
2992                 // LordHavoc: always clear state values, whether the entity is in use or not
2993                 svent->priv.server->baseline = defaultstate;
2994
2995                 if (svent->priv.server->free)
2996                         continue;
2997                 if (entnum > svs.maxclients && !PRVM_serveredictfloat(svent, modelindex))
2998                         continue;
2999
3000                 // create entity baseline
3001                 VectorCopy (PRVM_serveredictvector(svent, origin), svent->priv.server->baseline.origin);
3002                 VectorCopy (PRVM_serveredictvector(svent, angles), svent->priv.server->baseline.angles);
3003                 svent->priv.server->baseline.frame = (int)PRVM_serveredictfloat(svent, frame);
3004                 svent->priv.server->baseline.skin = (int)PRVM_serveredictfloat(svent, skin);
3005                 if (entnum > 0 && entnum <= svs.maxclients)
3006                 {
3007                         svent->priv.server->baseline.colormap = entnum;
3008                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
3009                 }
3010                 else
3011                 {
3012                         svent->priv.server->baseline.colormap = 0;
3013                         svent->priv.server->baseline.modelindex = (int)PRVM_serveredictfloat(svent, modelindex);
3014                 }
3015
3016                 large = false;
3017                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
3018                 {
3019                         large = true;
3020                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3021                                 large = false;
3022                 }
3023
3024                 // add to the message
3025                 if (large)
3026                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
3027                 else
3028                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
3029                 MSG_WriteShort (&sv.signon, entnum);
3030
3031                 if (large)
3032                 {
3033                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3034                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
3035                 }
3036                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3037                 {
3038                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3039                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3040                 }
3041                 else
3042                 {
3043                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
3044                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3045                 }
3046                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
3047                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
3048                 for (i=0 ; i<3 ; i++)
3049                 {
3050                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3051                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3052                 }
3053         }
3054 }
3055
3056 /*
3057 ================
3058 SV_Prepare_CSQC
3059
3060 Load csprogs.dat and comperss it so it doesn't need to be
3061 reloaded on request.
3062 ================
3063 */
3064 void SV_Prepare_CSQC(void)
3065 {
3066         fs_offset_t progsize;
3067
3068         if(svs.csqc_progdata)
3069         {
3070                 Con_DPrintf("Unloading old CSQC data.\n");
3071                 Mem_Free(svs.csqc_progdata);
3072                 if(svs.csqc_progdata_deflated)
3073                         Mem_Free(svs.csqc_progdata_deflated);
3074         }
3075
3076         svs.csqc_progdata = NULL;
3077         svs.csqc_progdata_deflated = NULL;
3078
3079         sv.csqc_progname[0] = 0;
3080         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3081
3082         if(progsize > 0)
3083         {
3084                 size_t deflated_size;
3085
3086                 sv.csqc_progsize = (int)progsize;
3087                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3088                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3089                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3090
3091                 Con_DPrint("Compressing csprogs.dat\n");
3092                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3093                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3094                 svs.csqc_progsize_deflated = (int)deflated_size;
3095                 if(svs.csqc_progdata_deflated)
3096                 {
3097                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3098                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3099                 }
3100                 else
3101                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3102         }
3103 }
3104
3105 /*
3106 ================
3107 SV_SaveSpawnparms
3108
3109 Grabs the current state of each client for saving across the
3110 transition to another level
3111 ================
3112 */
3113 void SV_SaveSpawnparms (void)
3114 {
3115         int             i, j;
3116
3117         svs.serverflags = (int)PRVM_serverglobalfloat(serverflags);
3118
3119         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3120         {
3121                 if (!host_client->active)
3122                         continue;
3123
3124         // call the progs to get default spawn parms for the new client
3125                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3126                 PRVM_ExecuteProgram (PRVM_serverfunction(SetChangeParms), "QC function SetChangeParms is missing");
3127                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3128                         host_client->spawn_parms[j] = (&PRVM_serverglobalfloat(parm1))[j];
3129         }
3130 }
3131
3132 /*
3133 ================
3134 SV_SpawnServer
3135
3136 This is called at the start of each level
3137 ================
3138 */
3139
3140 void SV_SpawnServer (const char *server)
3141 {
3142         prvm_edict_t *ent;
3143         int i;
3144         char *entities;
3145         dp_model_t *worldmodel;
3146         char modelname[sizeof(sv.worldname)];
3147
3148         Con_DPrintf("SpawnServer: %s\n", server);
3149
3150         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3151
3152         if (!FS_FileExists(modelname))
3153         {
3154                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3155                 if (!FS_FileExists(modelname))
3156                 {
3157                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3158                         return;
3159                 }
3160         }
3161
3162         if (cls.state != ca_dedicated)
3163         {
3164                 SCR_BeginLoadingPlaque();
3165                 S_StopAllSounds();
3166         }
3167
3168         if(sv.active)
3169         {
3170                 SV_VM_Begin();
3171                 World_End(&sv.world);
3172                 if(PRVM_serverfunction(SV_Shutdown))
3173                 {
3174                         func_t s = PRVM_serverfunction(SV_Shutdown);
3175                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3176                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
3177                 }
3178                 SV_VM_End();
3179         }
3180
3181         // free q3 shaders so that any newly downloaded shaders will be active
3182         Mod_FreeQ3Shaders();
3183
3184         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3185         if (!worldmodel || !worldmodel->TraceBox)
3186         {
3187                 Con_Printf("Couldn't load map %s\n", modelname);
3188                 return;
3189         }
3190
3191         Collision_Cache_Reset(true);
3192
3193         // let's not have any servers with no name
3194         if (hostname.string[0] == 0)
3195                 Cvar_Set ("hostname", "UNNAMED");
3196         scr_centertime_off = 0;
3197
3198         svs.changelevel_issued = false;         // now safe to issue another
3199
3200         // make the map a required file for clients
3201         Curl_ClearRequirements();
3202         Curl_RequireFile(modelname);
3203
3204 //
3205 // tell all connected clients that we are going to a new level
3206 //
3207         if (sv.active)
3208         {
3209                 client_t *client;
3210                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3211                 {
3212                         if (client->netconnection)
3213                         {
3214                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3215                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3216                         }
3217                 }
3218         }
3219         else
3220         {
3221                 // open server port
3222                 NetConn_OpenServerPorts(true);
3223         }
3224
3225 //
3226 // make cvars consistant
3227 //
3228         if (coop.integer)
3229                 Cvar_SetValue ("deathmatch", 0);
3230         // LordHavoc: it can be useful to have skills outside the range 0-3...
3231         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3232         //Cvar_SetValue ("skill", (float)current_skill);
3233         current_skill = (int)(skill.value + 0.5);
3234
3235 //
3236 // set up the new server
3237 //
3238         memset (&sv, 0, sizeof(sv));
3239         // if running a local client, make sure it doesn't try to access the last
3240         // level's data which is no longer valiud
3241         cls.signon = 0;
3242
3243         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3244
3245         if(*sv_random_seed.string)
3246         {
3247                 srand(sv_random_seed.integer);
3248                 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);
3249         }
3250
3251         SV_VM_Setup();
3252
3253         sv.active = true;
3254
3255         // set level base name variables for later use
3256         strlcpy (sv.name, server, sizeof (sv.name));
3257         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3258         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3259         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3260         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3261         Cvar_SetQuick(&sv_worldname, sv.worldname);
3262         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3263         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3264
3265         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3266         if (sv.protocol == PROTOCOL_UNKNOWN)
3267         {
3268                 char buffer[1024];
3269                 Protocol_Names(buffer, sizeof(buffer));
3270                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3271                 sv.protocol = PROTOCOL_QUAKE;
3272         }
3273
3274         SV_VM_Begin();
3275
3276 // load progs to get entity field count
3277         //PR_LoadProgs ( sv_progs.string );
3278
3279         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3280         sv.datagram.cursize = 0;
3281         sv.datagram.data = sv.datagram_buf;
3282
3283         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3284         sv.reliable_datagram.cursize = 0;
3285         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3286
3287         sv.signon.maxsize = sizeof(sv.signon_buf);
3288         sv.signon.cursize = 0;
3289         sv.signon.data = sv.signon_buf;
3290
3291 // leave slots at start for clients only
3292         //prog->num_edicts = svs.maxclients+1;
3293
3294         sv.state = ss_loading;
3295         prog->allowworldwrites = true;
3296         sv.paused = false;
3297
3298         PRVM_serverglobalfloat(time) = sv.time = 1.0;
3299
3300         Mod_ClearUsed();
3301         worldmodel->used = true;
3302
3303         sv.worldmodel = worldmodel;
3304         sv.models[1] = sv.worldmodel;
3305
3306 //
3307 // clear world interaction links
3308 //
3309         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
3310         World_Start(&sv.world);
3311
3312         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3313
3314         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3315         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3316         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3317         {
3318                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3319                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3320         }
3321         if(i < sv.worldmodel->brush.numsubmodels)
3322                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3323
3324 //
3325 // load the rest of the entities
3326 //
3327         // AK possible hack since num_edicts is still 0
3328         ent = PRVM_EDICT_NUM(0);
3329         memset (ent->fields.vp, 0, prog->entityfields * 4);
3330         ent->priv.server->free = false;
3331         PRVM_serveredictstring(ent, model) = PRVM_SetEngineString(sv.worldname);
3332         PRVM_serveredictfloat(ent, modelindex) = 1;             // world model
3333         PRVM_serveredictfloat(ent, solid) = SOLID_BSP;
3334         PRVM_serveredictfloat(ent, movetype) = MOVETYPE_PUSH;
3335         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, mins));
3336         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, maxs));
3337         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, absmin));
3338         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, absmax));
3339
3340         if (coop.value)
3341                 PRVM_serverglobalfloat(coop) = coop.integer;
3342         else
3343                 PRVM_serverglobalfloat(deathmatch) = deathmatch.integer;
3344
3345         PRVM_serverglobalstring(mapname) = PRVM_SetEngineString(sv.name);
3346
3347 // serverflags are for cross level information (sigils)
3348         PRVM_serverglobalfloat(serverflags) = svs.serverflags;
3349
3350         // we need to reset the spawned flag on all connected clients here so that
3351         // their thinks don't run during startup (before PutClientInServer)
3352         // we also need to set up the client entities now
3353         // and we need to set the ->edict pointers to point into the progs edicts
3354         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3355         {
3356                 host_client->spawned = false;
3357                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3358                 PRVM_ED_ClearEdict(host_client->edict);
3359         }
3360
3361         // load replacement entity file if found
3362         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3363         {
3364                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3365                 PRVM_ED_LoadFromFile (entities);
3366                 Mem_Free(entities);
3367         }
3368         else
3369                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
3370
3371
3372         // LordHavoc: clear world angles (to fix e3m3.bsp)
3373         VectorClear(PRVM_serveredictvector(prog->edicts, angles));
3374
3375 // all setup is completed, any further precache statements are errors
3376 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3377         prog->allowworldwrites = false;
3378
3379 // run two frames to allow everything to settle
3380         PRVM_serverglobalfloat(time) = sv.time = 1.0001;
3381         for (i = 0;i < 2;i++)
3382         {
3383                 sv.frametime = 0.1;
3384                 SV_Physics ();
3385         }
3386
3387         if (cls.state == ca_dedicated)
3388                 Mod_PurgeUnused();
3389
3390 // create a baseline for more efficient communications
3391         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)
3392                 SV_CreateBaseline ();
3393
3394         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3395
3396         // to prevent network timeouts
3397         realtime = Sys_DoubleTime();
3398
3399 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3400         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3401         {
3402                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3403                 if (!host_client->active)
3404                         continue;
3405                 if (host_client->netconnection)
3406                         SV_SendServerinfo(host_client);
3407                 else
3408                 {
3409                         int j;
3410                         // if client is a botclient coming from a level change, we need to
3411                         // set up client info that normally requires networking
3412
3413                         // copy spawn parms out of the client_t
3414                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3415                                 (&PRVM_serverglobalfloat(parm1))[j] = host_client->spawn_parms[j];
3416
3417                         // call the spawn function
3418                         host_client->clientconnectcalled = true;
3419                         PRVM_serverglobalfloat(time) = sv.time;
3420                         PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3421                         PRVM_ExecuteProgram (PRVM_serverfunction(ClientConnect), "QC function ClientConnect is missing");
3422                         PRVM_ExecuteProgram (PRVM_serverfunction(PutClientInServer), "QC function PutClientInServer is missing");
3423                         host_client->spawned = true;
3424                 }
3425         }
3426
3427         // update the map title cvar
3428         strlcpy(sv.worldmessage, PRVM_GetString(PRVM_serveredictstring(prog->edicts, message)), sizeof(sv.worldmessage)); // map title (not related to filename)
3429         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3430
3431         Con_DPrint("Server spawned.\n");
3432         NetConn_Heartbeat (2);
3433
3434         SV_VM_End();
3435 }
3436
3437 /////////////////////////////////////////////////////
3438 // SV VM stuff
3439
3440 static void SV_VM_CB_BeginIncreaseEdicts(void)
3441 {
3442         // links don't survive the transition, so unlink everything
3443         World_UnlinkAll(&sv.world);
3444 }
3445
3446 static void SV_VM_CB_EndIncreaseEdicts(void)
3447 {
3448         int i;
3449         prvm_edict_t *ent;
3450
3451         // link every entity except world
3452         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3453                 if (!ent->priv.server->free)
3454                         SV_LinkEdict(ent);
3455 }
3456
3457 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3458 {
3459         // LordHavoc: for consistency set these here
3460         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3461
3462         e->priv.server->move = false; // don't move on first frame
3463
3464         if (num >= 0 && num < svs.maxclients)
3465         {
3466                 // set colormap and team on newly created player entity
3467                 PRVM_serveredictfloat(e, colormap) = num + 1;
3468                 PRVM_serveredictfloat(e, team) = (svs.clients[num].colors & 15) + 1;
3469                 // set netname/clientcolors back to client values so that
3470                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3471                 // reset them
3472                 PRVM_serveredictstring(e, netname) = PRVM_SetEngineString(svs.clients[num].name);
3473                 PRVM_serveredictfloat(e, clientcolors) = svs.clients[num].colors;
3474                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3475                 PRVM_serveredictstring(e, playermodel) = PRVM_SetEngineString(svs.clients[num].playermodel);
3476                 PRVM_serveredictstring(e, playerskin) = PRVM_SetEngineString(svs.clients[num].playerskin);
3477                 // Assign netaddress (IP Address, etc)
3478                 if(svs.clients[num].netconnection != NULL)
3479                 {
3480                         // Acquire Readable Address
3481                         LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3482                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(svs.clients[num].netaddress);
3483                 }
3484                 else
3485                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString("null/botclient");
3486                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
3487                         PRVM_serveredictstring(e, crypto_idfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.client_idfp);
3488                 else
3489                         PRVM_serveredictstring(e, crypto_idfp) = 0;
3490                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
3491                         PRVM_serveredictstring(e, crypto_keyfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.client_keyfp);
3492                 else
3493                         PRVM_serveredictstring(e, crypto_keyfp) = 0;
3494                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
3495                         PRVM_serveredictstring(e, crypto_mykeyfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.server_keyfp);
3496                 else
3497                         PRVM_serveredictstring(e, crypto_mykeyfp) = 0;
3498                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
3499                         PRVM_serveredictstring(e, crypto_encryptmethod) = PRVM_SetEngineString("AES128");
3500                 else
3501                         PRVM_serveredictstring(e, crypto_encryptmethod) = 0;
3502                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
3503                         PRVM_serveredictstring(e, crypto_signmethod) = PRVM_SetEngineString("HMAC-SHA256");
3504                 else
3505                         PRVM_serveredictstring(e, crypto_signmethod) = 0;
3506         }
3507 }
3508
3509 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3510 {
3511         int i;
3512         int e;
3513
3514         World_UnlinkEdict(ed);          // unlink from world bsp
3515
3516         PRVM_serveredictstring(ed, model) = 0;
3517         PRVM_serveredictfloat(ed, takedamage) = 0;
3518         PRVM_serveredictfloat(ed, modelindex) = 0;
3519         PRVM_serveredictfloat(ed, colormap) = 0;
3520         PRVM_serveredictfloat(ed, skin) = 0;
3521         PRVM_serveredictfloat(ed, frame) = 0;
3522         VectorClear(PRVM_serveredictvector(ed, origin));
3523         VectorClear(PRVM_serveredictvector(ed, angles));
3524         PRVM_serveredictfloat(ed, nextthink) = -1;
3525         PRVM_serveredictfloat(ed, solid) = 0;
3526
3527         VM_RemoveEdictSkeleton(ed);
3528         World_Physics_RemoveFromEntity(&sv.world, ed);
3529         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3530
3531         // make sure csqc networking is aware of the removed entity
3532         e = PRVM_NUM_FOR_EDICT(ed);
3533         sv.csqcentityversion[e] = 0;
3534         for (i = 0;i < svs.maxclients;i++)
3535         {
3536                 if (svs.clients[i].csqcentityscope[e])
3537                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3538                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3539         }
3540 }
3541
3542 static void SV_VM_CB_CountEdicts(void)
3543 {
3544         int             i;
3545         prvm_edict_t    *ent;
3546         int             active, models, solid, step;
3547
3548         active = models = solid = step = 0;
3549         for (i=0 ; i<prog->num_edicts ; i++)
3550         {
3551                 ent = PRVM_EDICT_NUM(i);
3552                 if (ent->priv.server->free)
3553                         continue;
3554                 active++;
3555                 if (PRVM_serveredictfloat(ent, solid))
3556                         solid++;
3557                 if (PRVM_serveredictstring(ent, model))
3558                         models++;
3559                 if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
3560                         step++;
3561         }
3562
3563         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3564         Con_Printf("active    :%3i\n", active);
3565         Con_Printf("view      :%3i\n", models);
3566         Con_Printf("touch     :%3i\n", solid);
3567         Con_Printf("step      :%3i\n", step);
3568 }
3569
3570 static qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
3571 {
3572         // remove things from different skill levels or deathmatch
3573         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3574         {
3575                 if (deathmatch.integer)
3576                 {
3577                         if (((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_DEATHMATCH))
3578                         {
3579                                 return false;
3580                         }
3581                 }
3582                 else if ((current_skill <= 0 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_EASY  ))
3583                         || (current_skill == 1 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_MEDIUM))
3584                         || (current_skill >= 2 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_HARD  )))
3585                 {
3586                         return false;
3587                 }
3588         }
3589         return true;
3590 }
3591
3592 static void SV_VM_Setup(void)
3593 {
3594         PRVM_Begin;
3595         PRVM_InitProg( PRVM_SERVERPROG );
3596
3597         // allocate the mempools
3598         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3599         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3600         prog->builtins = vm_sv_builtins;
3601         prog->numbuiltins = vm_sv_numbuiltins;
3602         prog->max_edicts = 512;
3603         if (sv.protocol == PROTOCOL_QUAKE)
3604                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3605         else if (sv.protocol == PROTOCOL_QUAKEDP)
3606                 prog->limit_edicts = 2048; // guessing
3607         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3608                 prog->limit_edicts = 2048; // guessing!
3609         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3610                 prog->limit_edicts = 4096; // guessing!
3611         else
3612                 prog->limit_edicts = MAX_EDICTS;
3613         prog->reserved_edicts = svs.maxclients;
3614         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3615         prog->name = "server";
3616         prog->extensionstring = vm_sv_extensions;
3617         prog->loadintoworld = true;
3618
3619         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
3620         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
3621         prog->init_edict = SV_VM_CB_InitEdict;
3622         prog->free_edict = SV_VM_CB_FreeEdict;
3623         prog->count_edicts = SV_VM_CB_CountEdicts;
3624         prog->load_edict = SV_VM_CB_LoadEdict;
3625         prog->init_cmd = VM_SV_Cmd_Init;
3626         prog->reset_cmd = VM_SV_Cmd_Reset;
3627         prog->error_cmd = Host_Error;
3628         prog->ExecuteProgram = SVVM_ExecuteProgram;
3629
3630         PRVM_LoadProgs( sv_progs.string, SV_REQFUNCS, sv_reqfuncs, SV_REQFIELDS, sv_reqfields, SV_REQGLOBALS, sv_reqglobals);
3631
3632         // some mods compiled with scrambling compilers lack certain critical
3633         // global names and field names such as "self" and "time" and "nextthink"
3634         // so we have to set these offsets manually, matching the entvars_t
3635         // but we only do this if the prog header crc matches, otherwise it's totally freeform
3636         if (prog->progs_crc == PROGHEADER_CRC || prog->progs_crc == PROGHEADER_CRC_TENEBRAE)
3637         {
3638                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, modelindex);
3639                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmin);
3640                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmax);
3641                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ltime);
3642                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movetype);
3643                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, solid);
3644                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, origin);
3645                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, oldorigin);
3646                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, velocity);
3647                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3648                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, avelocity);
3649                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, punchangle);
3650                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3651                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, model);
3652                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3653                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, skin);
3654                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, effects);
3655                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, mins);
3656                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, maxs);
3657                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, size);
3658                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, touch);
3659                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, use);
3660                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3661                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, blocked);
3662                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3663                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3664                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, health);
3665                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frags);
3666                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weapon);
3667                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponmodel);
3668                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponframe);
3669                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, currentammo);
3670                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_shells);
3671                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_nails);
3672                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_rockets);
3673                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_cells);
3674                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, items);
3675                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, takedamage);
3676                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3677                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, deadflag);
3678                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, view_ofs);
3679                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button0);
3680                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button1);
3681                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button2);
3682                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, impulse);
3683                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, fixangle);
3684                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, v_angle);
3685                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, idealpitch);
3686                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, netname);
3687                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, enemy);
3688                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, flags);
3689                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, colormap);
3690                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, team);
3691                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, max_health);
3692                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, teleport_time);
3693                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armortype);
3694                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armorvalue);
3695                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, waterlevel);
3696                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, watertype);
3697                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3698                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3699                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, aiment);
3700                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, goalentity);
3701                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, spawnflags);
3702                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, target);
3703                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, targetname);
3704                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_take);
3705                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_save);
3706                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_inflictor);
3707                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, owner);
3708                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movedir);
3709                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, message);
3710                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, sounds);
3711                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise);
3712                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise1);
3713                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise2);
3714                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise3);
3715                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3716                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, other);
3717                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, world);
3718                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3719                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, frametime);
3720                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, force_retouch);
3721                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, mapname);
3722                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, deathmatch);
3723                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, coop);
3724                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, teamplay);
3725                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, serverflags);
3726                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_secrets);
3727                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_monsters);
3728                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, found_secrets);
3729                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, killed_monsters);
3730                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm1);
3731                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm2);
3732                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm3);
3733                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm4);
3734                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm5);
3735                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm6);
3736                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm7);
3737                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm8);
3738                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm9);
3739                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm10);
3740                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm11);
3741                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm12);
3742                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm13);
3743                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm14);
3744                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm15);
3745                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm16);
3746                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3747                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3748                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3749                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3750                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3751                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3752                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3753                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3754                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3755                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3756                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3757                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3758                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, msg_entity);
3759 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, main);
3760 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, StartFrame);
3761 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPreThink);
3762 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPostThink);
3763 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientKill);
3764 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientConnect);
3765 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PutClientInServer);
3766 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientDisconnect);
3767 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetNewParms);
3768 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetChangeParms);
3769         }
3770         else
3771                 Con_DPrintf("%s: %s system vars have been modified (CRC %i != engine %i), will not load in other engines", PRVM_NAME, sv_progs.string, prog->progs_crc, PROGHEADER_CRC);
3772
3773         // OP_STATE is always supported on server because we add fields/globals for it
3774         prog->flag |= PRVM_OP_STATE;
3775
3776         VM_CustomStats_Clear();//[515]: csqc
3777
3778         PRVM_End;
3779
3780         SV_Prepare_CSQC();
3781 }
3782
3783 void SV_VM_Begin(void)
3784 {
3785         PRVM_Begin;
3786         PRVM_SetProg( PRVM_SERVERPROG );
3787
3788         PRVM_serverglobalfloat(time) = (float) sv.time;
3789 }
3790
3791 void SV_VM_End(void)
3792 {
3793         PRVM_End;
3794 }