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
1244         // don't need to init cs->colormod because the defaultstate did that for us
1245         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1246         v = PRVM_serveredictvector(ent, colormod);
1247         if (VectorLength2(v))
1248         {
1249                 i = (int)(v[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1250                 i = (int)(v[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1251                 i = (int)(v[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1252         }
1253
1254         // don't need to init cs->glowmod because the defaultstate did that for us
1255         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1256         v = PRVM_serveredictvector(ent, glowmod);
1257         if (VectorLength2(v))
1258         {
1259                 i = (int)(v[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1260                 i = (int)(v[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1261                 i = (int)(v[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1262         }
1263
1264         cs->modelindex = modelindex;
1265
1266         cs->alpha = 255;
1267         f = (PRVM_serveredictfloat(ent, alpha) * 255.0f);
1268         if (f)
1269         {
1270                 i = (int)f;
1271                 cs->alpha = (unsigned char)bound(0, i, 255);
1272         }
1273         // halflife
1274         f = (PRVM_serveredictfloat(ent, renderamt));
1275         if (f)
1276         {
1277                 i = (int)f;
1278                 cs->alpha = (unsigned char)bound(0, i, 255);
1279         }
1280
1281         cs->scale = 16;
1282         f = (PRVM_serveredictfloat(ent, scale) * 16.0f);
1283         if (f)
1284         {
1285                 i = (int)f;
1286                 cs->scale = (unsigned char)bound(0, i, 255);
1287         }
1288
1289         cs->glowcolor = 254;
1290         f = PRVM_serveredictfloat(ent, glow_color);
1291         if (f)
1292                 cs->glowcolor = (int)f;
1293
1294         if (PRVM_serveredictfloat(ent, fullbright))
1295                 cs->effects |= EF_FULLBRIGHT;
1296
1297         f = PRVM_serveredictfloat(ent, modelflags);
1298         if (f)
1299                 cs->effects |= ((unsigned int)f & 0xff) << 24;
1300
1301         if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
1302                 cs->flags |= RENDER_STEP;
1303         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)
1304                 cs->flags |= RENDER_LOWPRECISION;
1305         if (PRVM_serveredictfloat(ent, colormap) >= 1024)
1306                 cs->flags |= RENDER_COLORMAPPED;
1307         if (cs->viewmodelforclient)
1308                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1309
1310         if (PRVM_serveredictfloat(ent, sendcomplexanimation))
1311         {
1312                 cs->flags |= RENDER_COMPLEXANIMATION;
1313                 if (PRVM_serveredictfloat(ent, skeletonindex) >= 1)
1314                         cs->skeletonobject = ent->priv.server->skeleton;
1315                 cs->framegroupblend[0].frame = PRVM_serveredictfloat(ent, frame);
1316                 cs->framegroupblend[1].frame = PRVM_serveredictfloat(ent, frame2);
1317                 cs->framegroupblend[2].frame = PRVM_serveredictfloat(ent, frame3);
1318                 cs->framegroupblend[3].frame = PRVM_serveredictfloat(ent, frame4);
1319                 cs->framegroupblend[0].start = PRVM_serveredictfloat(ent, frame1time);
1320                 cs->framegroupblend[1].start = PRVM_serveredictfloat(ent, frame2time);
1321                 cs->framegroupblend[2].start = PRVM_serveredictfloat(ent, frame3time);
1322                 cs->framegroupblend[3].start = PRVM_serveredictfloat(ent, frame4time);
1323                 cs->framegroupblend[1].lerp = PRVM_serveredictfloat(ent, lerpfrac);
1324                 cs->framegroupblend[2].lerp = PRVM_serveredictfloat(ent, lerpfrac3);
1325                 cs->framegroupblend[3].lerp = PRVM_serveredictfloat(ent, lerpfrac4);
1326                 cs->framegroupblend[0].lerp = 1.0f - cs->framegroupblend[1].lerp - cs->framegroupblend[2].lerp - cs->framegroupblend[3].lerp;
1327         }
1328
1329         cs->light[0] = light[0];
1330         cs->light[1] = light[1];
1331         cs->light[2] = light[2];
1332         cs->light[3] = light[3];
1333         cs->lightstyle = lightstyle;
1334         cs->lightpflags = lightpflags;
1335
1336         cs->specialvisibilityradius = specialvisibilityradius;
1337
1338         // calculate the visible box of this entity (don't use the physics box
1339         // as that is often smaller than a model, and would not count
1340         // specialvisibilityradius)
1341         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1342         {
1343                 float scale = cs->scale * (1.0f / 16.0f);
1344                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1345                 {
1346                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1347                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1348                 }
1349                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1350                 {
1351                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1352                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1353                 }
1354                 else
1355                 {
1356                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1357                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1358                 }
1359         }
1360         else
1361         {
1362                 // if there is no model (or it could not be loaded), use the physics box
1363                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, mins), cullmins);
1364                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, maxs), cullmaxs);
1365         }
1366         if (specialvisibilityradius)
1367         {
1368                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1369                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1370                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1371                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1372                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1373                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1374         }
1375
1376         // calculate center of bbox for network prioritization purposes
1377         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1378
1379         // if culling box has moved, update pvs cluster links
1380         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1381         {
1382                 VectorCopy(cullmins, ent->priv.server->cullmins);
1383                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1384                 // a value of -1 for pvs_numclusters indicates that the links are not
1385                 // cached, and should be re-tested each time, this is the case if the
1386                 // culling box touches too many pvs clusters to store, or if the world
1387                 // model does not support FindBoxClusters
1388                 ent->priv.server->pvs_numclusters = -1;
1389                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1390                 {
1391                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1392                         if (i <= MAX_ENTITYCLUSTERS)
1393                                 ent->priv.server->pvs_numclusters = i;
1394                 }
1395         }
1396
1397         // we need to do some csqc entity upkeep here
1398         // get self.SendFlags and clear them
1399         // (to let the QC know that they've been read)
1400         if (sendentity)
1401         {
1402                 sendflags = (unsigned int)PRVM_serveredictfloat(ent, SendFlags);
1403                 PRVM_serveredictfloat(ent, SendFlags) = 0;
1404                 // legacy self.Version system
1405                 if ((version = (unsigned int)PRVM_serveredictfloat(ent, Version)))
1406                 {
1407                         if (sv.csqcentityversion[enumber] != version)
1408                                 sendflags = 0xFFFFFF;
1409                         sv.csqcentityversion[enumber] = version;
1410                 }
1411                 // move sendflags into the per-client sendflags
1412                 if (sendflags)
1413                         for (i = 0;i < svs.maxclients;i++)
1414                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1415                 // mark it as inactive for non-csqc networking
1416                 cs->active = ACTIVE_SHARED;
1417         }
1418
1419         return true;
1420 }
1421
1422 void SV_PrepareEntitiesForSending(void)
1423 {
1424         int e;
1425         prvm_edict_t *ent;
1426         // send all entities that touch the pvs
1427         sv.numsendentities = 0;
1428         sv.sendentitiesindex[0] = NULL;
1429         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1430         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1431         {
1432                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1433                 {
1434                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1435                         sv.numsendentities++;
1436                 }
1437         }
1438 }
1439
1440 #define MAX_LINEOFSIGHTTRACES 64
1441
1442 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1443 {
1444         float pitchsign;
1445         float alpha;
1446         float starttransformed[3], endtransformed[3];
1447         int blocked = 0;
1448         int traceindex;
1449         int originalnumtouchedicts;
1450         int numtouchedicts = 0;
1451         int touchindex;
1452         matrix4x4_t matrix, imatrix;
1453         dp_model_t *model;
1454         prvm_edict_t *touch;
1455         static prvm_edict_t *touchedicts[MAX_EDICTS];
1456         vec3_t boxmins, boxmaxs;
1457         vec3_t clipboxmins, clipboxmaxs;
1458         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1459
1460         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1461
1462         // expand the box a little
1463         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1464         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1465         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1466         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1467         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1468         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1469
1470         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1471         for (traceindex = 1;traceindex < numtraces;traceindex++)
1472                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1473
1474         // calculate sweep box for the entire swarm of traces
1475         VectorCopy(eye, clipboxmins);
1476         VectorCopy(eye, clipboxmaxs);
1477         for (traceindex = 0;traceindex < numtraces;traceindex++)
1478         {
1479                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1480                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1481                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1482                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1483                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1484                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1485         }
1486
1487         // get the list of entities in the sweep box
1488         if (sv_cullentities_trace_entityocclusion.integer)
1489                 numtouchedicts = World_EntitiesInBox(&sv.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1490         if (numtouchedicts > MAX_EDICTS)
1491         {
1492                 // this never happens
1493                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1494                 numtouchedicts = MAX_EDICTS;
1495         }
1496         // iterate the entities found in the sweep box and filter them
1497         originalnumtouchedicts = numtouchedicts;
1498         numtouchedicts = 0;
1499         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1500         {
1501                 touch = touchedicts[touchindex];
1502                 if (PRVM_serveredictfloat(touch, solid) != SOLID_BSP)
1503                         continue;
1504                 model = SV_GetModelFromEdict(touch);
1505                 if (!model || !model->brush.TraceLineOfSight)
1506                         continue;
1507                 // skip obviously transparent entities
1508                 alpha = PRVM_serveredictfloat(touch, alpha);
1509                 if (alpha && alpha < 1)
1510                         continue;
1511                 if ((int)PRVM_serveredictfloat(touch, effects) & EF_ADDITIVE)
1512                         continue;
1513                 touchedicts[numtouchedicts++] = touch;
1514         }
1515
1516         // now that we have a filtered list of "interesting" entities, fire each
1517         // ray against all of them, this gives us an early-out case when something
1518         // is visible (which it often is)
1519
1520         for (traceindex = 0;traceindex < numtraces;traceindex++)
1521         {
1522                 // check world occlusion
1523                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1524                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1525                                 continue;
1526                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1527                 {
1528                         touch = touchedicts[touchindex];
1529                         model = SV_GetModelFromEdict(touch);
1530                         if(model && model->brush.TraceLineOfSight)
1531                         {
1532                                 // get the entity matrix
1533                                 pitchsign = SV_GetPitchSign(touch);
1534                                 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);
1535                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1536                                 // see if the ray hits this entity
1537                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1538                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1539                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1540                                 {
1541                                         blocked++;
1542                                         break;
1543                                 }
1544                         }
1545                 }
1546                 // check if the ray was blocked
1547                 if (touchindex < numtouchedicts)
1548                         continue;
1549                 // return if the ray was not blocked
1550                 return true;
1551         }
1552
1553         // no rays survived
1554         return false;
1555 }
1556
1557 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1558 {
1559         int isbmodel;
1560         dp_model_t *model;
1561         prvm_edict_t *ed;
1562         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1563                 return;
1564         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1565         sv.writeentitiestoclient_stats_totalentities++;
1566
1567         if (s->customizeentityforclient)
1568         {
1569                 PRVM_serverglobaledict(self) = s->number;
1570                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1571                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1572                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1573                         return;
1574         }
1575
1576         // never reject player
1577         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1578         {
1579                 // check various rejection conditions
1580                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1581                         return;
1582                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1583                         return;
1584                 if (s->effects & EF_NODRAW)
1585                         return;
1586                 // LordHavoc: only send entities with a model or important effects
1587                 if (!s->modelindex && s->specialvisibilityradius == 0)
1588                         return;
1589
1590                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1591                 // viewmodels don't have visibility checking
1592                 if (s->viewmodelforclient)
1593                 {
1594                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1595                                 return;
1596                 }
1597                 else if (s->tagentity)
1598                 {
1599                         // tag attached entities simply check their parent
1600                         if (!sv.sendentitiesindex[s->tagentity])
1601                                 return;
1602                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1603                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1604                                 return;
1605                 }
1606                 // always send world submodels in newer protocols because they don't
1607                 // generate much traffic (in old protocols they hog bandwidth)
1608                 // but only if sv_cullentities_nevercullbmodels is off
1609                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1610                 {
1611                         // entity has survived every check so far, check if visible
1612                         ed = PRVM_EDICT_NUM(s->number);
1613
1614                         // if not touching a visible leaf
1615                         if (sv_cullentities_pvs.integer && !r_novis.integer && !r_trippy.integer && sv.writeentitiestoclient_pvsbytes)
1616                         {
1617                                 if (ed->priv.server->pvs_numclusters < 0)
1618                                 {
1619                                         // entity too big for clusters list
1620                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1621                                         {
1622                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1623                                                 return;
1624                                         }
1625                                 }
1626                                 else
1627                                 {
1628                                         int i;
1629                                         // check cached clusters list
1630                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1631                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1632                                                         break;
1633                                         if (i == ed->priv.server->pvs_numclusters)
1634                                         {
1635                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1636                                                 return;
1637                                         }
1638                                 }
1639                         }
1640
1641                         // or not seen by random tracelines
1642                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight && !r_trippy.integer)
1643                         {
1644                                 int samples =
1645                                         s->number <= svs.maxclients
1646                                                 ? sv_cullentities_trace_samples_players.integer
1647                                                 :
1648                                         s->specialvisibilityradius
1649                                                 ? sv_cullentities_trace_samples_extra.integer
1650                                                 : sv_cullentities_trace_samples.integer;
1651                                 float enlarge = sv_cullentities_trace_enlarge.value;
1652
1653                                 if(samples > 0)
1654                                 {
1655                                         int eyeindex;
1656                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1657                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1658                                                         break;
1659                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1660                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1661                                                         realtime + (
1662                                                                 s->number <= svs.maxclients
1663                                                                         ? sv_cullentities_trace_delay_players.value
1664                                                                         : sv_cullentities_trace_delay.value
1665                                                         );
1666                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1667                                         {
1668                                                 sv.writeentitiestoclient_stats_culled_trace++;
1669                                                 return;
1670                                         }
1671                                 }
1672                         }
1673                 }
1674         }
1675
1676         // this just marks it for sending
1677         // FIXME: it would be more efficient to send here, but the entity
1678         // compressor isn't that flexible
1679         sv.writeentitiestoclient_stats_visibleentities++;
1680         sv.sententities[s->number] = sv.sententitiesmark;
1681 }
1682
1683 #if MAX_LEVELNETWORKEYES > 0
1684 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1685 void SV_AddCameraEyes(void)
1686 {
1687         int e, i, j, k;
1688         prvm_edict_t *ed;
1689         static int cameras[MAX_LEVELNETWORKEYES];
1690         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1691         static int eye_levels[MAX_CLIENTNETWORKEYES];
1692         int n_cameras = 0;
1693         vec3_t mi, ma;
1694
1695         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1696                 eye_levels[i] = 0;
1697
1698         // check line of sight to portal entities and add them to PVS
1699         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1700         {
1701                 if (!ed->priv.server->free)
1702                 {
1703                         if(PRVM_serveredictfunction(ed, camera_transform))
1704                         {
1705                                 PRVM_serverglobaledict(self) = e;
1706                                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1707                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_serverglobalvector(trace_endpos));
1708                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1709                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1710                                 PRVM_ExecuteProgram(PRVM_serveredictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1711                                 if(!VectorCompare(PRVM_serverglobalvector(trace_endpos), sv.writeentitiestoclient_eyes[0]))
1712                                 {
1713                                         VectorCopy(PRVM_serverglobalvector(trace_endpos), camera_origins[n_cameras]);
1714                                         cameras[n_cameras] = e;
1715                                         ++n_cameras;
1716                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1717                                                 break;
1718                                 }
1719                         }
1720                 }
1721         }
1722
1723         if(!n_cameras)
1724                 return;
1725
1726         // i is loop counter, is reset to 0 when an eye got added
1727         // j is camera index to check
1728         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1729         {
1730                 if(!cameras[j])
1731                         continue;
1732                 ed = PRVM_EDICT_NUM(cameras[j]);
1733                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, mins), mi);
1734                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, maxs), ma);
1735                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1736                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1737                 {
1738                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1739                         {
1740                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1741                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1742                                 // 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);
1743                                 sv.writeentitiestoclient_numeyes++;
1744                                 cameras[j] = 0;
1745                                 i = 0;
1746                                 break;
1747                         }
1748                 }
1749         }
1750 }
1751 #else
1752 void SV_AddCameraEyes(void)
1753 {
1754 }
1755 #endif
1756
1757 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1758 {
1759         qboolean need_empty = false;
1760         int i, numsendstates, numcsqcsendstates;
1761         entity_state_t *s;
1762         prvm_edict_t *camera;
1763         qboolean success;
1764         vec3_t eye;
1765
1766         // if there isn't enough space to accomplish anything, skip it
1767         if (msg->cursize + 25 > maxsize)
1768                 return;
1769
1770         sv.writeentitiestoclient_msg = msg;
1771         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1772
1773         sv.writeentitiestoclient_stats_culled_pvs = 0;
1774         sv.writeentitiestoclient_stats_culled_trace = 0;
1775         sv.writeentitiestoclient_stats_visibleentities = 0;
1776         sv.writeentitiestoclient_stats_totalentities = 0;
1777         sv.writeentitiestoclient_numeyes = 0;
1778
1779         // get eye location
1780         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1781         camera = PRVM_EDICT_NUM( client->clientcamera );
1782         VectorAdd(PRVM_serveredictvector(camera, origin), PRVM_serveredictvector(clent, view_ofs), eye);
1783         sv.writeentitiestoclient_pvsbytes = 0;
1784         // get the PVS values for the eye location, later FatPVS calls will merge
1785         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1786                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1787
1788         // add the eye to a list for SV_CanSeeBox tests
1789         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1790         sv.writeentitiestoclient_numeyes++;
1791
1792         // calculate predicted eye origin for SV_CanSeeBox tests
1793         if (sv_cullentities_trace_prediction.integer)
1794         {
1795                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1796                 vec3_t predeye;
1797                 VectorMA(eye, predtime, PRVM_serveredictvector(camera, velocity), predeye);
1798                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1799                 {
1800                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1801                         sv.writeentitiestoclient_numeyes++;
1802                 }
1803                 //if (!sv.writeentitiestoclient_useprediction)
1804                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1805         }
1806
1807         SV_AddCameraEyes();
1808
1809         // build PVS from the new eyes
1810         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1811                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1812                         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);
1813
1814         sv.sententitiesmark++;
1815
1816         for (i = 0;i < sv.numsendentities;i++)
1817                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1818
1819         numsendstates = 0;
1820         numcsqcsendstates = 0;
1821         for (i = 0;i < sv.numsendentities;i++)
1822         {
1823                 s = &sv.sendentities[i];
1824                 if (sv.sententities[s->number] == sv.sententitiesmark)
1825                 {
1826                         if(s->active == ACTIVE_NETWORK)
1827                         {
1828                                 if (s->exteriormodelforclient)
1829                                 {
1830                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1831                                                 s->flags |= RENDER_EXTERIORMODEL;
1832                                         else
1833                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1834                                 }
1835                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1836                         }
1837                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1838                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1839                         else
1840                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1841                 }
1842         }
1843
1844         if (sv_cullentities_stats.integer)
1845                 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);
1846
1847         if(client->entitydatabase5)
1848                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1849         else
1850                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1851
1852         if(client->num_skippedentityframes >= 10)
1853                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1854
1855         if (client->entitydatabase5)
1856                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1857         else if (client->entitydatabase4)
1858         {
1859                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1860                 Protocol_WriteStatsReliable();
1861         }
1862         else if (client->entitydatabase)
1863         {
1864                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1865                 Protocol_WriteStatsReliable();
1866         }
1867         else
1868         {
1869                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1870                 Protocol_WriteStatsReliable();
1871         }
1872
1873         if(success)
1874                 client->num_skippedentityframes = 0;
1875         else
1876                 ++client->num_skippedentityframes;
1877 }
1878
1879 /*
1880 =============
1881 SV_CleanupEnts
1882
1883 =============
1884 */
1885 static void SV_CleanupEnts (void)
1886 {
1887         int             e;
1888         prvm_edict_t    *ent;
1889
1890         ent = PRVM_NEXT_EDICT(prog->edicts);
1891         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1892                 PRVM_serveredictfloat(ent, effects) = (int)PRVM_serveredictfloat(ent, effects) & ~EF_MUZZLEFLASH;
1893 }
1894
1895 /*
1896 ==================
1897 SV_WriteClientdataToMessage
1898
1899 ==================
1900 */
1901 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1902 {
1903         int             bits;
1904         int             i;
1905         prvm_edict_t    *other;
1906         int             items;
1907         vec3_t  punchvector;
1908         int             viewzoom;
1909         const char *s;
1910         float   *statsf = (float *)stats;
1911         float gravity;
1912
1913 //
1914 // send a damage message
1915 //
1916         if (PRVM_serveredictfloat(ent, dmg_take) || PRVM_serveredictfloat(ent, dmg_save))
1917         {
1918                 other = PRVM_PROG_TO_EDICT(PRVM_serveredictedict(ent, dmg_inflictor));
1919                 MSG_WriteByte (msg, svc_damage);
1920                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_save));
1921                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_take));
1922                 for (i=0 ; i<3 ; i++)
1923                         MSG_WriteCoord (msg, PRVM_serveredictvector(other, origin)[i] + 0.5*(PRVM_serveredictvector(other, mins)[i] + PRVM_serveredictvector(other, maxs)[i]), sv.protocol);
1924
1925                 PRVM_serveredictfloat(ent, dmg_take) = 0;
1926                 PRVM_serveredictfloat(ent, dmg_save) = 0;
1927         }
1928
1929 //
1930 // send the current viewpos offset from the view entity
1931 //
1932         SV_SetIdealPitch ();            // how much to look up / down ideally
1933
1934 // a fixangle might get lost in a dropped packet.  Oh well.
1935         if(PRVM_serveredictfloat(ent, fixangle))
1936         {
1937                 // angle fixing was requested by global thinking code...
1938                 // so store the current angles for later use
1939                 memcpy(host_client->fixangle_angles, PRVM_serveredictvector(ent, angles), sizeof(host_client->fixangle_angles));
1940                 host_client->fixangle_angles_set = TRUE;
1941
1942                 // and clear fixangle for the next frame
1943                 PRVM_serveredictfloat(ent, fixangle) = 0;
1944         }
1945
1946         if (host_client->fixangle_angles_set)
1947         {
1948                 MSG_WriteByte (msg, svc_setangle);
1949                 for (i=0 ; i < 3 ; i++)
1950                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1951                 host_client->fixangle_angles_set = FALSE;
1952         }
1953
1954         // stuff the sigil bits into the high bits of items for sbar, or else
1955         // mix in items2
1956         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1957                 items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serveredictfloat(ent, items2) << 23);
1958         else
1959                 items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serverglobalfloat(serverflags) << 28);
1960
1961         VectorCopy(PRVM_serveredictvector(ent, punchvector), punchvector);
1962
1963         // cache weapon model name and index in client struct to save time
1964         // (this search can be almost 1% of cpu time!)
1965         s = PRVM_GetString(PRVM_serveredictstring(ent, weaponmodel));
1966         if (strcmp(s, client->weaponmodel))
1967         {
1968                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1969                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1970         }
1971
1972         viewzoom = (int)(PRVM_serveredictfloat(ent, viewzoom) * 255.0f);
1973         if (viewzoom == 0)
1974                 viewzoom = 255;
1975
1976         bits = 0;
1977
1978         if ((int)PRVM_serveredictfloat(ent, flags) & FL_ONGROUND)
1979                 bits |= SU_ONGROUND;
1980         if (PRVM_serveredictfloat(ent, waterlevel) >= 2)
1981                 bits |= SU_INWATER;
1982         if (PRVM_serveredictfloat(ent, idealpitch))
1983                 bits |= SU_IDEALPITCH;
1984
1985         for (i=0 ; i<3 ; i++)
1986         {
1987                 if (PRVM_serveredictvector(ent, punchangle)[i])
1988                         bits |= (SU_PUNCH1<<i);
1989                 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)
1990                         if (punchvector[i])
1991                                 bits |= (SU_PUNCHVEC1<<i);
1992                 if (PRVM_serveredictvector(ent, velocity)[i])
1993                         bits |= (SU_VELOCITY1<<i);
1994         }
1995
1996         gravity = PRVM_serveredictfloat(ent, gravity);if (!gravity) gravity = 1.0f;
1997
1998         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1999         stats[STAT_VIEWHEIGHT] = (int)PRVM_serveredictvector(ent, view_ofs)[2];
2000         stats[STAT_ITEMS] = items;
2001         stats[STAT_WEAPONFRAME] = (int)PRVM_serveredictfloat(ent, weaponframe);
2002         stats[STAT_ARMOR] = (int)PRVM_serveredictfloat(ent, armorvalue);
2003         stats[STAT_WEAPON] = client->weaponmodelindex;
2004         stats[STAT_HEALTH] = (int)PRVM_serveredictfloat(ent, health);
2005         stats[STAT_AMMO] = (int)PRVM_serveredictfloat(ent, currentammo);
2006         stats[STAT_SHELLS] = (int)PRVM_serveredictfloat(ent, ammo_shells);
2007         stats[STAT_NAILS] = (int)PRVM_serveredictfloat(ent, ammo_nails);
2008         stats[STAT_ROCKETS] = (int)PRVM_serveredictfloat(ent, ammo_rockets);
2009         stats[STAT_CELLS] = (int)PRVM_serveredictfloat(ent, ammo_cells);
2010         stats[STAT_ACTIVEWEAPON] = (int)PRVM_serveredictfloat(ent, weapon);
2011         stats[STAT_VIEWZOOM] = viewzoom;
2012         stats[STAT_TOTALSECRETS] = (int)PRVM_serverglobalfloat(total_secrets);
2013         stats[STAT_TOTALMONSTERS] = (int)PRVM_serverglobalfloat(total_monsters);
2014         // the QC bumps these itself by sending svc_'s, so we have to keep them
2015         // zero or they'll be corrected by the engine
2016         //stats[STAT_SECRETS] = PRVM_serverglobalfloat(found_secrets);
2017         //stats[STAT_MONSTERS] = PRVM_serverglobalfloat(killed_monsters);
2018
2019         // movement settings for prediction
2020         // note: these are not sent in protocols with lower MAX_CL_STATS limits
2021         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
2022                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
2023                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
2024                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
2025         ;
2026         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
2027         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
2028         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
2029         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
2030         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
2031         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
2032         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
2033         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
2034         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
2035         statsf[STAT_MOVEVARS_ENTGRAVITY] = gravity;
2036         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
2037         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
2038         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
2039         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
2040         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
2041         statsf[STAT_MOVEVARS_AIRACCEL_QW_STRETCHFACTOR] = sv_airaccel_qw_stretchfactor.value;
2042         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
2043         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
2044         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
2045         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
2046         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
2047         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
2048         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
2049         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
2050         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
2051         statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
2052         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
2053         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
2054         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2055         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2056         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2057         statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2058         statsf[STAT_FRAGLIMIT] = fraglimit.value;
2059         statsf[STAT_TIMELIMIT] = timelimit.value;
2060
2061         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)
2062         {
2063                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2064                 bits |= SU_ITEMS;
2065                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2066                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2067                 bits |= SU_WEAPON;
2068                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2069                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2070                         if (viewzoom != 255)
2071                                 bits |= SU_VIEWZOOM;
2072         }
2073
2074         if (bits >= 65536)
2075                 bits |= SU_EXTEND1;
2076         if (bits >= 16777216)
2077                 bits |= SU_EXTEND2;
2078
2079         // send the data
2080         MSG_WriteByte (msg, svc_clientdata);
2081         MSG_WriteShort (msg, bits);
2082         if (bits & SU_EXTEND1)
2083                 MSG_WriteByte(msg, bits >> 16);
2084         if (bits & SU_EXTEND2)
2085                 MSG_WriteByte(msg, bits >> 24);
2086
2087         if (bits & SU_VIEWHEIGHT)
2088                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2089
2090         if (bits & SU_IDEALPITCH)
2091                 MSG_WriteChar (msg, (int)PRVM_serveredictfloat(ent, idealpitch));
2092
2093         for (i=0 ; i<3 ; i++)
2094         {
2095                 if (bits & (SU_PUNCH1<<i))
2096                 {
2097                         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)
2098                                 MSG_WriteChar(msg, (int)PRVM_serveredictvector(ent, punchangle)[i]);
2099                         else
2100                                 MSG_WriteAngle16i(msg, PRVM_serveredictvector(ent, punchangle)[i]);
2101                 }
2102                 if (bits & (SU_PUNCHVEC1<<i))
2103                 {
2104                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2105                                 MSG_WriteCoord16i(msg, punchvector[i]);
2106                         else
2107                                 MSG_WriteCoord32f(msg, punchvector[i]);
2108                 }
2109                 if (bits & (SU_VELOCITY1<<i))
2110                 {
2111                         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)
2112                                 MSG_WriteChar(msg, (int)(PRVM_serveredictvector(ent, velocity)[i] * (1.0f / 16.0f)));
2113                         else
2114                                 MSG_WriteCoord32f(msg, PRVM_serveredictvector(ent, velocity)[i]);
2115                 }
2116         }
2117
2118         if (bits & SU_ITEMS)
2119                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2120
2121         if (sv.protocol == PROTOCOL_DARKPLACES5)
2122         {
2123                 if (bits & SU_WEAPONFRAME)
2124                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2125                 if (bits & SU_ARMOR)
2126                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2127                 if (bits & SU_WEAPON)
2128                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2129                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2130                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2131                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2132                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2133                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2134                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2135                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2136                 if (bits & SU_VIEWZOOM)
2137                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2138         }
2139         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)
2140         {
2141                 if (bits & SU_WEAPONFRAME)
2142                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2143                 if (bits & SU_ARMOR)
2144                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2145                 if (bits & SU_WEAPON)
2146                 {
2147                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2148                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2149                         else
2150                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2151                 }
2152                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2153                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2154                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2155                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2156                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2157                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2158                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
2159                 {
2160                         for (i = 0;i < 32;i++)
2161                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2162                                         break;
2163                         MSG_WriteByte (msg, i);
2164                 }
2165                 else
2166                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2167                 if (bits & SU_VIEWZOOM)
2168                 {
2169                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2170                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2171                         else
2172                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2173                 }
2174         }
2175 }
2176
2177 void SV_FlushBroadcastMessages(void)
2178 {
2179         int i;
2180         client_t *client;
2181         if (sv.datagram.cursize <= 0)
2182                 return;
2183         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2184         {
2185                 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])))
2186                         continue;
2187                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2188                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2189         }
2190         SZ_Clear(&sv.datagram);
2191 }
2192
2193 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2194 {
2195         // scan the splitpoints to find out how many we can fit in
2196         int numsegments, j, split;
2197         if (!client->unreliablemsg_splitpoints)
2198                 return;
2199         // always accept the first one if it's within 1024 bytes, this ensures
2200         // that very big datagrams which are over the rate limit still get
2201         // through, just to keep it working
2202         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2203                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2204                         break;
2205         // the first segment gets an exemption from the rate limiting, otherwise
2206         // it could get dropped consistently due to a low rate limit
2207         if (numsegments == 1)
2208                 maxsize = maxsize2;
2209         // some will fit, so add the ones that will fit
2210         split = client->unreliablemsg_splitpoint[numsegments-1];
2211         // note this discards ones that were accepted by the segments scan but
2212         // can not fit, such as a really huge first one that will never ever
2213         // fit in a packet...
2214         if (msg->cursize + split <= maxsize)
2215                 SZ_Write(msg, client->unreliablemsg.data, split);
2216         // remove the part we sent, keeping any remaining data
2217         client->unreliablemsg.cursize -= split;
2218         if (client->unreliablemsg.cursize > 0)
2219                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2220         // adjust remaining splitpoints
2221         client->unreliablemsg_splitpoints -= numsegments;
2222         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2223                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2224 }
2225
2226 /*
2227 =======================
2228 SV_SendClientDatagram
2229 =======================
2230 */
2231 static void SV_SendClientDatagram (client_t *client)
2232 {
2233         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2234         sizebuf_t msg;
2235         int stats[MAX_CL_STATS];
2236         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2237
2238         // obey rate limit by limiting packet frequency if the packet size
2239         // limiting fails
2240         // (usually this is caused by reliable messages)
2241         if (!NetConn_CanSend(client->netconnection))
2242                 return;
2243
2244         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2245         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2246         if (sv_maxrate.integer != maxrate)
2247                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2248
2249         // clientrate determines the 'cleartime' of a packet
2250         // (how long to wait before sending another, based on this packet's size)
2251         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2252
2253         switch (sv.protocol)
2254         {
2255         case PROTOCOL_QUAKE:
2256         case PROTOCOL_QUAKEDP:
2257         case PROTOCOL_NEHAHRAMOVIE:
2258         case PROTOCOL_NEHAHRABJP:
2259         case PROTOCOL_NEHAHRABJP2:
2260         case PROTOCOL_NEHAHRABJP3:
2261         case PROTOCOL_QUAKEWORLD:
2262                 // no packet size limit support on Quake protocols because it just
2263                 // causes missing entities/effects
2264                 // packets are simply sent less often to obey the rate limit
2265                 maxsize = 1024;
2266                 maxsize2 = 1024;
2267                 break;
2268         case PROTOCOL_DARKPLACES1:
2269         case PROTOCOL_DARKPLACES2:
2270         case PROTOCOL_DARKPLACES3:
2271         case PROTOCOL_DARKPLACES4:
2272                 // no packet size limit support on DP1-4 protocols because they kick
2273                 // the client off if they overflow, and miss effects
2274                 // packets are simply sent less often to obey the rate limit
2275                 maxsize = sizeof(sv_sendclientdatagram_buf);
2276                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2277                 break;
2278         default:
2279                 // DP5 and later protocols support packet size limiting which is a
2280                 // better method than limiting packet frequency as QW does
2281                 //
2282                 // at very low rates (or very small sys_ticrate) the packet size is
2283                 // not reduced below 128, but packets may be sent less often
2284                 maxsize = (int)(clientrate * sys_ticrate.value);
2285                 maxsize = bound(128, maxsize, 1400);
2286                 maxsize2 = 1400;
2287                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2288                 // mods that use csqc (they are likely to use less bandwidth anyway)
2289                 if (sv.csqc_progsize > 0)
2290                         maxsize = maxsize2;
2291                 break;
2292         }
2293
2294         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2295         {
2296                 // for good singleplayer, send huge packets
2297                 maxsize = sizeof(sv_sendclientdatagram_buf);
2298                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2299                 // never limit frequency in singleplayer
2300                 clientrate = 1000000000;
2301         }
2302
2303         // while downloading, limit entity updates to half the packet
2304         // (any leftover space will be used for downloading)
2305         if (host_client->download_file)
2306                 maxsize /= 2;
2307
2308         msg.data = sv_sendclientdatagram_buf;
2309         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2310         msg.cursize = 0;
2311         msg.allowoverflow = false;
2312
2313         if (host_client->spawned)
2314         {
2315                 // the player is in the game
2316                 MSG_WriteByte (&msg, svc_time);
2317                 MSG_WriteFloat (&msg, sv.time);
2318
2319                 // add the client specific data to the datagram
2320                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2321                 // now update the stats[] array using any registered custom fields
2322                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2323                 // set host_client->statsdeltabits
2324                 Protocol_UpdateClientStats (stats);
2325
2326                 // add as many queued unreliable messages (effects) as we can fit
2327                 // limit effects to half of the remaining space
2328                 if (client->unreliablemsg.cursize)
2329                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2330
2331                 // now write as many entities as we can fit, and also sends stats
2332                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2333         }
2334         else if (realtime > client->keepalivetime)
2335         {
2336                 // the player isn't totally in the game yet
2337                 // send small keepalive messages if too much time has passed
2338                 // (may also be sending downloads)
2339                 client->keepalivetime = realtime + 5;
2340                 MSG_WriteChar (&msg, svc_nop);
2341         }
2342
2343         // if a download is active, see if there is room to fit some download data
2344         // in this packet
2345         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2346         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2347         {
2348                 fs_offset_t downloadstart;
2349                 unsigned char data[1400];
2350                 downloadstart = FS_Tell(host_client->download_file);
2351                 downloadsize = min(downloadsize, (int)sizeof(data));
2352                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2353                 // note this sends empty messages if at the end of the file, which is
2354                 // necessary to keep the packet loss logic working
2355                 // (the last blocks may be lost and need to be re-sent, and that will
2356                 //  only occur if the client acks the empty end messages, revealing
2357                 //  a gap in the download progress, causing the last blocks to be
2358                 //  sent again)
2359                 MSG_WriteChar (&msg, svc_downloaddata);
2360                 MSG_WriteLong (&msg, downloadstart);
2361                 MSG_WriteShort (&msg, downloadsize);
2362                 if (downloadsize > 0)
2363                         SZ_Write (&msg, data, downloadsize);
2364         }
2365
2366         // reliable only if none is in progress
2367         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2368                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2369         // unreliable
2370         SV_WriteDemoMessage(client, &msg, false);
2371
2372 // send the datagram
2373         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2374         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2375                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2376 }
2377
2378 /*
2379 =======================
2380 SV_UpdateToReliableMessages
2381 =======================
2382 */
2383 static void SV_UpdateToReliableMessages (void)
2384 {
2385         int i, j;
2386         client_t *client;
2387         const char *name;
2388         const char *model;
2389         const char *skin;
2390         int clientcamera;
2391
2392 // check for changes to be sent over the reliable streams
2393         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2394         {
2395                 // update the host_client fields we care about according to the entity fields
2396                 host_client->edict = PRVM_EDICT_NUM(i+1);
2397
2398                 // DP_SV_CLIENTNAME
2399                 name = PRVM_GetString(PRVM_serveredictstring(host_client->edict, netname));
2400                 if (name == NULL)
2401                         name = "";
2402                 // always point the string back at host_client->name to keep it safe
2403                 strlcpy (host_client->name, name, sizeof (host_client->name));
2404                 PRVM_serveredictstring(host_client->edict, netname) = PRVM_SetEngineString(host_client->name);
2405                 if (strcmp(host_client->old_name, host_client->name))
2406                 {
2407                         if (host_client->spawned)
2408                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2409                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2410                         // send notification to all clients
2411                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2412                         MSG_WriteByte (&sv.reliable_datagram, i);
2413                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2414                         SV_WriteNetnameIntoDemo(host_client);
2415                 }
2416
2417                 // DP_SV_CLIENTCOLORS
2418                 host_client->colors = (int)PRVM_serveredictfloat(host_client->edict, clientcolors);
2419                 if (host_client->old_colors != host_client->colors)
2420                 {
2421                         host_client->old_colors = host_client->colors;
2422                         // send notification to all clients
2423                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2424                         MSG_WriteByte (&sv.reliable_datagram, i);
2425                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2426                 }
2427
2428                 // NEXUIZ_PLAYERMODEL
2429                 model = PRVM_GetString(PRVM_serveredictstring(host_client->edict, playermodel));
2430                 if (model == NULL)
2431                         model = "";
2432                 // always point the string back at host_client->name to keep it safe
2433                 strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2434                 PRVM_serveredictstring(host_client->edict, playermodel) = PRVM_SetEngineString(host_client->playermodel);
2435
2436                 // NEXUIZ_PLAYERSKIN
2437                 skin = PRVM_GetString(PRVM_serveredictstring(host_client->edict, playerskin));
2438                 if (skin == NULL)
2439                         skin = "";
2440                 // always point the string back at host_client->name to keep it safe
2441                 strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2442                 PRVM_serveredictstring(host_client->edict, playerskin) = PRVM_SetEngineString(host_client->playerskin);
2443
2444                 // TODO: add an extension name for this [1/17/2008 Black]
2445                 clientcamera = PRVM_serveredictedict(host_client->edict, clientcamera);
2446                 if (clientcamera > 0)
2447                 {
2448                         int oldclientcamera = host_client->clientcamera;
2449                         if (clientcamera >= prog->max_edicts || PRVM_EDICT_NUM(clientcamera)->priv.required->free)
2450                                 clientcamera = PRVM_NUM_FOR_EDICT(host_client->edict);
2451                         host_client->clientcamera = clientcamera;
2452
2453                         if (oldclientcamera != host_client->clientcamera)
2454                         {
2455                                 MSG_WriteByte(&host_client->netconnection->message, svc_setview);
2456                                 MSG_WriteShort(&host_client->netconnection->message, host_client->clientcamera);
2457                         }
2458                 }
2459
2460                 // frags
2461                 host_client->frags = (int)PRVM_serveredictfloat(host_client->edict, frags);
2462                 if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2463                         if(!host_client->spawned && host_client->netconnection)
2464                                 host_client->frags = -666;
2465                 if (host_client->old_frags != host_client->frags)
2466                 {
2467                         host_client->old_frags = host_client->frags;
2468                         // send notification to all clients
2469                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2470                         MSG_WriteByte (&sv.reliable_datagram, i);
2471                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2472                 }
2473         }
2474
2475         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2476                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2477                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2478
2479         SZ_Clear (&sv.reliable_datagram);
2480 }
2481
2482
2483 /*
2484 =======================
2485 SV_SendClientMessages
2486 =======================
2487 */
2488 void SV_SendClientMessages (void)
2489 {
2490         int i, prepared = false;
2491
2492         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2493                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2494
2495         SV_FlushBroadcastMessages();
2496
2497 // update frags, names, etc
2498         SV_UpdateToReliableMessages();
2499
2500 // build individual updates
2501         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2502         {
2503                 if (!host_client->active)
2504                         continue;
2505                 if (!host_client->netconnection)
2506                         continue;
2507
2508                 if (host_client->netconnection->message.overflowed)
2509                 {
2510                         SV_DropClient (true);   // if the message couldn't send, kick off
2511                         continue;
2512                 }
2513
2514                 if (!prepared)
2515                 {
2516                         prepared = true;
2517                         // only prepare entities once per frame
2518                         SV_PrepareEntitiesForSending();
2519                 }
2520                 SV_SendClientDatagram (host_client);
2521         }
2522
2523 // clear muzzle flashes
2524         SV_CleanupEnts();
2525 }
2526
2527 static void SV_StartDownload_f(void)
2528 {
2529         if (host_client->download_file)
2530                 host_client->download_started = true;
2531 }
2532
2533 /*
2534  * Compression extension negotiation:
2535  *
2536  * Server to client:
2537  *   cl_serverextension_download 2
2538  *
2539  * Client to server:
2540  *   download <filename> <list of zero or more suppported compressions in order of preference>
2541  * e.g.
2542  *   download maps/map1.bsp lzo deflate huffman
2543  *
2544  * Server to client:
2545  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2546  * e.g.
2547  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2548  *
2549  * The server may choose not to compress the file by sending no compression name, like:
2550  *   cl_downloadbegin 345678 maps/map1.bsp
2551  *
2552  * NOTE: the "download" command may only specify compression algorithms if
2553  *       cl_serverextension_download is 2!
2554  *       If cl_serverextension_download has a different value, the client must
2555  *       assume this extension is not supported!
2556  */
2557
2558 static void Download_CheckExtensions(void)
2559 {
2560         int i;
2561         int argc = Cmd_Argc();
2562
2563         // first reset them all
2564         host_client->download_deflate = false;
2565
2566         for(i = 2; i < argc; ++i)
2567         {
2568                 if(!strcmp(Cmd_Argv(i), "deflate"))
2569                 {
2570                         host_client->download_deflate = true;
2571                         break;
2572                 }
2573         }
2574 }
2575
2576 static void SV_Download_f(void)
2577 {
2578         const char *whichpack, *whichpack2, *extension;
2579         qboolean is_csqc; // so we need to check only once
2580
2581         if (Cmd_Argc() < 2)
2582         {
2583                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2584                 SV_ClientPrintf("       supported extensions: deflate\n");
2585                 return;
2586         }
2587
2588         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2589         {
2590                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2591                 return;
2592         }
2593
2594         if (host_client->download_file)
2595         {
2596                 // at this point we'll assume the previous download should be aborted
2597                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2598                 Host_ClientCommands("\nstopdownload\n");
2599
2600                 // close the file and reset variables
2601                 FS_Close(host_client->download_file);
2602                 host_client->download_file = NULL;
2603                 host_client->download_name[0] = 0;
2604                 host_client->download_expectedposition = 0;
2605                 host_client->download_started = false;
2606         }
2607
2608         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2609
2610         if (!sv_allowdownloads.integer && !is_csqc)
2611         {
2612                 SV_ClientPrintf("Downloads are disabled on this server\n");
2613                 Host_ClientCommands("\nstopdownload\n");
2614                 return;
2615         }
2616
2617         Download_CheckExtensions();
2618
2619         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2620         extension = FS_FileExtension(host_client->download_name);
2621
2622         // host_client is asking to download a specified file
2623         if (developer_extra.integer)
2624                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2625
2626         if(is_csqc)
2627         {
2628                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2629                 extensions[0] = '\0';
2630
2631                 if(host_client->download_deflate)
2632                         strlcat(extensions, " deflate", sizeof(extensions));
2633
2634                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2635
2636                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2637                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2638                 else
2639                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2640
2641                 // no, no space is needed between %s and %s :P
2642                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2643
2644                 host_client->download_expectedposition = 0;
2645                 host_client->download_started = false;
2646                 host_client->sendsignon = true; // make sure this message is sent
2647                 return;
2648         }
2649
2650         if (!FS_FileExists(host_client->download_name))
2651         {
2652                 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);
2653                 Host_ClientCommands("\nstopdownload\n");
2654                 return;
2655         }
2656
2657         // check if the user is trying to download part of registered Quake(r)
2658         whichpack = FS_WhichPack(host_client->download_name);
2659         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2660         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2661         {
2662                 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);
2663                 Host_ClientCommands("\nstopdownload\n");
2664                 return;
2665         }
2666
2667         // check if the server has forbidden archive downloads entirely
2668         if (!sv_allowdownloads_inarchive.integer)
2669         {
2670                 whichpack = FS_WhichPack(host_client->download_name);
2671                 if (whichpack)
2672                 {
2673                         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);
2674                         Host_ClientCommands("\nstopdownload\n");
2675                         return;
2676                 }
2677         }
2678
2679         if (!sv_allowdownloads_config.integer)
2680         {
2681                 if (!strcasecmp(extension, "cfg"))
2682                 {
2683                         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);
2684                         Host_ClientCommands("\nstopdownload\n");
2685                         return;
2686                 }
2687         }
2688
2689         if (!sv_allowdownloads_dlcache.integer)
2690         {
2691                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2692                 {
2693                         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);
2694                         Host_ClientCommands("\nstopdownload\n");
2695                         return;
2696                 }
2697         }
2698
2699         if (!sv_allowdownloads_archive.integer)
2700         {
2701                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2702                 {
2703                         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);
2704                         Host_ClientCommands("\nstopdownload\n");
2705                         return;
2706                 }
2707         }
2708
2709         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2710         if (!host_client->download_file)
2711         {
2712                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2713                 Host_ClientCommands("\nstopdownload\n");
2714                 return;
2715         }
2716
2717         if (FS_FileSize(host_client->download_file) > 1<<30)
2718         {
2719                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2720                 Host_ClientCommands("\nstopdownload\n");
2721                 FS_Close(host_client->download_file);
2722                 host_client->download_file = NULL;
2723                 return;
2724         }
2725
2726         if (FS_FileSize(host_client->download_file) < 0)
2727         {
2728                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2729                 Host_ClientCommands("\nstopdownload\n");
2730                 FS_Close(host_client->download_file);
2731                 host_client->download_file = NULL;
2732                 return;
2733         }
2734
2735         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2736
2737         /*
2738          * we can only do this if we would actually deflate on the fly
2739          * which we do not (yet)!
2740         {
2741                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2742                 extensions[0] = '\0';
2743
2744                 if(host_client->download_deflate)
2745                         strlcat(extensions, " deflate", sizeof(extensions));
2746
2747                 // no, no space is needed between %s and %s :P
2748                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2749         }
2750         */
2751         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2752
2753         host_client->download_expectedposition = 0;
2754         host_client->download_started = false;
2755         host_client->sendsignon = true; // make sure this message is sent
2756
2757         // the rest of the download process is handled in SV_SendClientDatagram
2758         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2759         //
2760         // no svc_downloaddata messages will be sent until sv_startdownload is
2761         // sent by the client
2762 }
2763
2764 /*
2765 ==============================================================================
2766
2767 SERVER SPAWNING
2768
2769 ==============================================================================
2770 */
2771
2772 /*
2773 ================
2774 SV_ModelIndex
2775
2776 ================
2777 */
2778 int SV_ModelIndex(const char *s, int precachemode)
2779 {
2780         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);
2781         char filename[MAX_QPATH];
2782         if (!s || !*s)
2783                 return 0;
2784         // testing
2785         //if (precachemode == 2)
2786         //      return 0;
2787         strlcpy(filename, s, sizeof(filename));
2788         for (i = 2;i < limit;i++)
2789         {
2790                 if (!sv.model_precache[i][0])
2791                 {
2792                         if (precachemode)
2793                         {
2794                                 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))
2795                                 {
2796                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2797                                         return 0;
2798                                 }
2799                                 if (precachemode == 1)
2800                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2801                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2802                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2803                                 if (sv.state != ss_loading)
2804                                 {
2805                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2806                                         MSG_WriteShort(&sv.reliable_datagram, i);
2807                                         MSG_WriteString(&sv.reliable_datagram, filename);
2808                                 }
2809                                 return i;
2810                         }
2811                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2812                         return 0;
2813                 }
2814                 if (!strcmp(sv.model_precache[i], filename))
2815                         return i;
2816         }
2817         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2818         return 0;
2819 }
2820
2821 /*
2822 ================
2823 SV_SoundIndex
2824
2825 ================
2826 */
2827 int SV_SoundIndex(const char *s, int precachemode)
2828 {
2829         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);
2830         char filename[MAX_QPATH];
2831         if (!s || !*s)
2832                 return 0;
2833         // testing
2834         //if (precachemode == 2)
2835         //      return 0;
2836         strlcpy(filename, s, sizeof(filename));
2837         for (i = 1;i < limit;i++)
2838         {
2839                 if (!sv.sound_precache[i][0])
2840                 {
2841                         if (precachemode)
2842                         {
2843                                 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))
2844                                 {
2845                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2846                                         return 0;
2847                                 }
2848                                 if (precachemode == 1)
2849                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2850                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2851                                 if (sv.state != ss_loading)
2852                                 {
2853                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2854                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2855                                         MSG_WriteString(&sv.reliable_datagram, filename);
2856                                 }
2857                                 return i;
2858                         }
2859                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2860                         return 0;
2861                 }
2862                 if (!strcmp(sv.sound_precache[i], filename))
2863                         return i;
2864         }
2865         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2866         return 0;
2867 }
2868
2869 /*
2870 ================
2871 SV_ParticleEffectIndex
2872
2873 ================
2874 */
2875 int SV_ParticleEffectIndex(const char *name)
2876 {
2877         int i, argc, linenumber, effectnameindex;
2878         int filepass;
2879         fs_offset_t filesize;
2880         unsigned char *filedata;
2881         const char *text;
2882         const char *textstart;
2883         //const char *textend;
2884         char argv[16][1024];
2885         char filename[MAX_QPATH];
2886         if (!sv.particleeffectnamesloaded)
2887         {
2888                 sv.particleeffectnamesloaded = true;
2889                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2890                 for (i = 0;i < EFFECT_TOTAL;i++)
2891                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2892                 for (filepass = 0;;filepass++)
2893                 {
2894                         if (filepass == 0)
2895                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2896                         else if (filepass == 1)
2897                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
2898                         else
2899                                 break;
2900                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2901                         if (!filedata)
2902                                 continue;
2903                         textstart = (const char *)filedata;
2904                         //textend = (const char *)filedata + filesize;
2905                         text = textstart;
2906                         for (linenumber = 1;;linenumber++)
2907                         {
2908                                 argc = 0;
2909                                 for (;;)
2910                                 {
2911                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2912                                                 break;
2913                                         if (argc < 16)
2914                                         {
2915                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2916                                                 argc++;
2917                                         }
2918                                 }
2919                                 if (com_token[0] == 0)
2920                                         break; // if the loop exited and it's not a \n, it's EOF
2921                                 if (argc < 1)
2922                                         continue;
2923                                 if (!strcmp(argv[0], "effect"))
2924                                 {
2925                                         if (argc == 2)
2926                                         {
2927                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2928                                                 {
2929                                                         if (sv.particleeffectname[effectnameindex][0])
2930                                                         {
2931                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2932                                                                         break;
2933                                                         }
2934                                                         else
2935                                                         {
2936                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2937                                                                 break;
2938                                                         }
2939                                                 }
2940                                                 // if we run out of names, abort
2941                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2942                                                 {
2943                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
2944                                                         break;
2945                                                 }
2946                                         }
2947                                 }
2948                         }
2949                         Mem_Free(filedata);
2950                 }
2951         }
2952         // search for the name
2953         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2954                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2955                         return effectnameindex;
2956         // return 0 if we couldn't find it
2957         return 0;
2958 }
2959
2960 dp_model_t *SV_GetModelByIndex(int modelindex)
2961 {
2962         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2963 }
2964
2965 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
2966 {
2967         int modelindex;
2968         if (!ed || ed->priv.server->free)
2969                 return NULL;
2970         modelindex = (int)PRVM_serveredictfloat(ed, modelindex);
2971         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2972 }
2973
2974 /*
2975 ================
2976 SV_CreateBaseline
2977
2978 ================
2979 */
2980 static void SV_CreateBaseline (void)
2981 {
2982         int i, entnum, large;
2983         prvm_edict_t *svent;
2984
2985         // LordHavoc: clear *all* states (note just active ones)
2986         for (entnum = 0;entnum < prog->max_edicts;entnum++)
2987         {
2988                 // get the current server version
2989                 svent = PRVM_EDICT_NUM(entnum);
2990
2991                 // LordHavoc: always clear state values, whether the entity is in use or not
2992                 svent->priv.server->baseline = defaultstate;
2993
2994                 if (svent->priv.server->free)
2995                         continue;
2996                 if (entnum > svs.maxclients && !PRVM_serveredictfloat(svent, modelindex))
2997                         continue;
2998
2999                 // create entity baseline
3000                 VectorCopy (PRVM_serveredictvector(svent, origin), svent->priv.server->baseline.origin);
3001                 VectorCopy (PRVM_serveredictvector(svent, angles), svent->priv.server->baseline.angles);
3002                 svent->priv.server->baseline.frame = (int)PRVM_serveredictfloat(svent, frame);
3003                 svent->priv.server->baseline.skin = (int)PRVM_serveredictfloat(svent, skin);
3004                 if (entnum > 0 && entnum <= svs.maxclients)
3005                 {
3006                         svent->priv.server->baseline.colormap = entnum;
3007                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
3008                 }
3009                 else
3010                 {
3011                         svent->priv.server->baseline.colormap = 0;
3012                         svent->priv.server->baseline.modelindex = (int)PRVM_serveredictfloat(svent, modelindex);
3013                 }
3014
3015                 large = false;
3016                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
3017                 {
3018                         large = true;
3019                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3020                                 large = false;
3021                 }
3022
3023                 // add to the message
3024                 if (large)
3025                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
3026                 else
3027                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
3028                 MSG_WriteShort (&sv.signon, entnum);
3029
3030                 if (large)
3031                 {
3032                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3033                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
3034                 }
3035                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3036                 {
3037                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3038                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3039                 }
3040                 else
3041                 {
3042                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
3043                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3044                 }
3045                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
3046                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
3047                 for (i=0 ; i<3 ; i++)
3048                 {
3049                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3050                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3051                 }
3052         }
3053 }
3054
3055 /*
3056 ================
3057 SV_Prepare_CSQC
3058
3059 Load csprogs.dat and comperss it so it doesn't need to be
3060 reloaded on request.
3061 ================
3062 */
3063 void SV_Prepare_CSQC(void)
3064 {
3065         fs_offset_t progsize;
3066
3067         if(svs.csqc_progdata)
3068         {
3069                 Con_DPrintf("Unloading old CSQC data.\n");
3070                 Mem_Free(svs.csqc_progdata);
3071                 if(svs.csqc_progdata_deflated)
3072                         Mem_Free(svs.csqc_progdata_deflated);
3073         }
3074
3075         svs.csqc_progdata = NULL;
3076         svs.csqc_progdata_deflated = NULL;
3077
3078         sv.csqc_progname[0] = 0;
3079         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3080
3081         if(progsize > 0)
3082         {
3083                 size_t deflated_size;
3084
3085                 sv.csqc_progsize = (int)progsize;
3086                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3087                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3088                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3089
3090                 Con_DPrint("Compressing csprogs.dat\n");
3091                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3092                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3093                 svs.csqc_progsize_deflated = (int)deflated_size;
3094                 if(svs.csqc_progdata_deflated)
3095                 {
3096                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3097                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3098                 }
3099                 else
3100                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3101         }
3102 }
3103
3104 /*
3105 ================
3106 SV_SaveSpawnparms
3107
3108 Grabs the current state of each client for saving across the
3109 transition to another level
3110 ================
3111 */
3112 void SV_SaveSpawnparms (void)
3113 {
3114         int             i, j;
3115
3116         svs.serverflags = (int)PRVM_serverglobalfloat(serverflags);
3117
3118         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3119         {
3120                 if (!host_client->active)
3121                         continue;
3122
3123         // call the progs to get default spawn parms for the new client
3124                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3125                 PRVM_ExecuteProgram (PRVM_serverfunction(SetChangeParms), "QC function SetChangeParms is missing");
3126                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3127                         host_client->spawn_parms[j] = (&PRVM_serverglobalfloat(parm1))[j];
3128         }
3129 }
3130
3131 /*
3132 ================
3133 SV_SpawnServer
3134
3135 This is called at the start of each level
3136 ================
3137 */
3138
3139 void SV_SpawnServer (const char *server)
3140 {
3141         prvm_edict_t *ent;
3142         int i;
3143         char *entities;
3144         dp_model_t *worldmodel;
3145         char modelname[sizeof(sv.worldname)];
3146
3147         Con_DPrintf("SpawnServer: %s\n", server);
3148
3149         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3150
3151         if (!FS_FileExists(modelname))
3152         {
3153                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3154                 if (!FS_FileExists(modelname))
3155                 {
3156                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3157                         return;
3158                 }
3159         }
3160
3161         if (cls.state != ca_dedicated)
3162         {
3163                 SCR_BeginLoadingPlaque();
3164                 S_StopAllSounds();
3165         }
3166
3167         if(sv.active)
3168         {
3169                 SV_VM_Begin();
3170                 World_End(&sv.world);
3171                 if(PRVM_serverfunction(SV_Shutdown))
3172                 {
3173                         func_t s = PRVM_serverfunction(SV_Shutdown);
3174                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3175                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
3176                 }
3177                 SV_VM_End();
3178         }
3179
3180         // free q3 shaders so that any newly downloaded shaders will be active
3181         Mod_FreeQ3Shaders();
3182
3183         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3184         if (!worldmodel || !worldmodel->TraceBox)
3185         {
3186                 Con_Printf("Couldn't load map %s\n", modelname);
3187                 return;
3188         }
3189
3190         Collision_Cache_Reset(true);
3191
3192         // let's not have any servers with no name
3193         if (hostname.string[0] == 0)
3194                 Cvar_Set ("hostname", "UNNAMED");
3195         scr_centertime_off = 0;
3196
3197         svs.changelevel_issued = false;         // now safe to issue another
3198
3199         // make the map a required file for clients
3200         Curl_ClearRequirements();
3201         Curl_RequireFile(modelname);
3202
3203 //
3204 // tell all connected clients that we are going to a new level
3205 //
3206         if (sv.active)
3207         {
3208                 client_t *client;
3209                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3210                 {
3211                         if (client->netconnection)
3212                         {
3213                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3214                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3215                         }
3216                 }
3217         }
3218         else
3219         {
3220                 // open server port
3221                 NetConn_OpenServerPorts(true);
3222         }
3223
3224 //
3225 // make cvars consistant
3226 //
3227         if (coop.integer)
3228                 Cvar_SetValue ("deathmatch", 0);
3229         // LordHavoc: it can be useful to have skills outside the range 0-3...
3230         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3231         //Cvar_SetValue ("skill", (float)current_skill);
3232         current_skill = (int)(skill.value + 0.5);
3233
3234 //
3235 // set up the new server
3236 //
3237         memset (&sv, 0, sizeof(sv));
3238         // if running a local client, make sure it doesn't try to access the last
3239         // level's data which is no longer valiud
3240         cls.signon = 0;
3241
3242         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3243
3244         if(*sv_random_seed.string)
3245         {
3246                 srand(sv_random_seed.integer);
3247                 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);
3248         }
3249
3250         SV_VM_Setup();
3251
3252         sv.active = true;
3253
3254         // set level base name variables for later use
3255         strlcpy (sv.name, server, sizeof (sv.name));
3256         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3257         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3258         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3259         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3260         Cvar_SetQuick(&sv_worldname, sv.worldname);
3261         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3262         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3263
3264         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3265         if (sv.protocol == PROTOCOL_UNKNOWN)
3266         {
3267                 char buffer[1024];
3268                 Protocol_Names(buffer, sizeof(buffer));
3269                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3270                 sv.protocol = PROTOCOL_QUAKE;
3271         }
3272
3273         SV_VM_Begin();
3274
3275 // load progs to get entity field count
3276         //PR_LoadProgs ( sv_progs.string );
3277
3278         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3279         sv.datagram.cursize = 0;
3280         sv.datagram.data = sv.datagram_buf;
3281
3282         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3283         sv.reliable_datagram.cursize = 0;
3284         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3285
3286         sv.signon.maxsize = sizeof(sv.signon_buf);
3287         sv.signon.cursize = 0;
3288         sv.signon.data = sv.signon_buf;
3289
3290 // leave slots at start for clients only
3291         //prog->num_edicts = svs.maxclients+1;
3292
3293         sv.state = ss_loading;
3294         prog->allowworldwrites = true;
3295         sv.paused = false;
3296
3297         PRVM_serverglobalfloat(time) = sv.time = 1.0;
3298
3299         Mod_ClearUsed();
3300         worldmodel->used = true;
3301
3302         sv.worldmodel = worldmodel;
3303         sv.models[1] = sv.worldmodel;
3304
3305 //
3306 // clear world interaction links
3307 //
3308         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
3309         World_Start(&sv.world);
3310
3311         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3312
3313         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3314         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3315         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3316         {
3317                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3318                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3319         }
3320         if(i < sv.worldmodel->brush.numsubmodels)
3321                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3322
3323 //
3324 // load the rest of the entities
3325 //
3326         // AK possible hack since num_edicts is still 0
3327         ent = PRVM_EDICT_NUM(0);
3328         memset (ent->fields.vp, 0, prog->entityfields * 4);
3329         ent->priv.server->free = false;
3330         PRVM_serveredictstring(ent, model) = PRVM_SetEngineString(sv.worldname);
3331         PRVM_serveredictfloat(ent, modelindex) = 1;             // world model
3332         PRVM_serveredictfloat(ent, solid) = SOLID_BSP;
3333         PRVM_serveredictfloat(ent, movetype) = MOVETYPE_PUSH;
3334         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, mins));
3335         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, maxs));
3336         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, absmin));
3337         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, absmax));
3338
3339         if (coop.value)
3340                 PRVM_serverglobalfloat(coop) = coop.integer;
3341         else
3342                 PRVM_serverglobalfloat(deathmatch) = deathmatch.integer;
3343
3344         PRVM_serverglobalstring(mapname) = PRVM_SetEngineString(sv.name);
3345
3346 // serverflags are for cross level information (sigils)
3347         PRVM_serverglobalfloat(serverflags) = svs.serverflags;
3348
3349         // we need to reset the spawned flag on all connected clients here so that
3350         // their thinks don't run during startup (before PutClientInServer)
3351         // we also need to set up the client entities now
3352         // and we need to set the ->edict pointers to point into the progs edicts
3353         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3354         {
3355                 host_client->spawned = false;
3356                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3357                 PRVM_ED_ClearEdict(host_client->edict);
3358         }
3359
3360         // load replacement entity file if found
3361         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3362         {
3363                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3364                 PRVM_ED_LoadFromFile (entities);
3365                 Mem_Free(entities);
3366         }
3367         else
3368                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
3369
3370
3371         // LordHavoc: clear world angles (to fix e3m3.bsp)
3372         VectorClear(PRVM_serveredictvector(prog->edicts, angles));
3373
3374 // all setup is completed, any further precache statements are errors
3375 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3376         prog->allowworldwrites = false;
3377
3378 // run two frames to allow everything to settle
3379         PRVM_serverglobalfloat(time) = sv.time = 1.0001;
3380         for (i = 0;i < 2;i++)
3381         {
3382                 sv.frametime = 0.1;
3383                 SV_Physics ();
3384         }
3385
3386         if (cls.state == ca_dedicated)
3387                 Mod_PurgeUnused();
3388
3389 // create a baseline for more efficient communications
3390         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)
3391                 SV_CreateBaseline ();
3392
3393         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3394
3395         // to prevent network timeouts
3396         realtime = Sys_DoubleTime();
3397
3398 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3399         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3400         {
3401                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3402                 if (!host_client->active)
3403                         continue;
3404                 if (host_client->netconnection)
3405                         SV_SendServerinfo(host_client);
3406                 else
3407                 {
3408                         int j;
3409                         // if client is a botclient coming from a level change, we need to
3410                         // set up client info that normally requires networking
3411
3412                         // copy spawn parms out of the client_t
3413                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3414                                 (&PRVM_serverglobalfloat(parm1))[j] = host_client->spawn_parms[j];
3415
3416                         // call the spawn function
3417                         host_client->clientconnectcalled = true;
3418                         PRVM_serverglobalfloat(time) = sv.time;
3419                         PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3420                         PRVM_ExecuteProgram (PRVM_serverfunction(ClientConnect), "QC function ClientConnect is missing");
3421                         PRVM_ExecuteProgram (PRVM_serverfunction(PutClientInServer), "QC function PutClientInServer is missing");
3422                         host_client->spawned = true;
3423                 }
3424         }
3425
3426         // update the map title cvar
3427         strlcpy(sv.worldmessage, PRVM_GetString(PRVM_serveredictstring(prog->edicts, message)), sizeof(sv.worldmessage)); // map title (not related to filename)
3428         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3429
3430         Con_DPrint("Server spawned.\n");
3431         NetConn_Heartbeat (2);
3432
3433         SV_VM_End();
3434 }
3435
3436 /////////////////////////////////////////////////////
3437 // SV VM stuff
3438
3439 static void SV_VM_CB_BeginIncreaseEdicts(void)
3440 {
3441         // links don't survive the transition, so unlink everything
3442         World_UnlinkAll(&sv.world);
3443 }
3444
3445 static void SV_VM_CB_EndIncreaseEdicts(void)
3446 {
3447         int i;
3448         prvm_edict_t *ent;
3449
3450         // link every entity except world
3451         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3452                 if (!ent->priv.server->free)
3453                         SV_LinkEdict(ent);
3454 }
3455
3456 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3457 {
3458         // LordHavoc: for consistency set these here
3459         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3460
3461         e->priv.server->move = false; // don't move on first frame
3462
3463         if (num >= 0 && num < svs.maxclients)
3464         {
3465                 // set colormap and team on newly created player entity
3466                 PRVM_serveredictfloat(e, colormap) = num + 1;
3467                 PRVM_serveredictfloat(e, team) = (svs.clients[num].colors & 15) + 1;
3468                 // set netname/clientcolors back to client values so that
3469                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3470                 // reset them
3471                 PRVM_serveredictstring(e, netname) = PRVM_SetEngineString(svs.clients[num].name);
3472                 PRVM_serveredictfloat(e, clientcolors) = svs.clients[num].colors;
3473                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3474                 PRVM_serveredictstring(e, playermodel) = PRVM_SetEngineString(svs.clients[num].playermodel);
3475                 PRVM_serveredictstring(e, playerskin) = PRVM_SetEngineString(svs.clients[num].playerskin);
3476                 // Assign netaddress (IP Address, etc)
3477                 if(svs.clients[num].netconnection != NULL)
3478                 {
3479                         // Acquire Readable Address
3480                         LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3481                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(svs.clients[num].netaddress);
3482                 }
3483                 else
3484                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString("null/botclient");
3485                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
3486                         PRVM_serveredictstring(e, crypto_idfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.client_idfp);
3487                 else
3488                         PRVM_serveredictstring(e, crypto_idfp) = 0;
3489                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
3490                         PRVM_serveredictstring(e, crypto_keyfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.client_keyfp);
3491                 else
3492                         PRVM_serveredictstring(e, crypto_keyfp) = 0;
3493                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
3494                         PRVM_serveredictstring(e, crypto_mykeyfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.server_keyfp);
3495                 else
3496                         PRVM_serveredictstring(e, crypto_mykeyfp) = 0;
3497                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
3498                         PRVM_serveredictstring(e, crypto_encryptmethod) = PRVM_SetEngineString("AES128");
3499                 else
3500                         PRVM_serveredictstring(e, crypto_encryptmethod) = 0;
3501                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
3502                         PRVM_serveredictstring(e, crypto_signmethod) = PRVM_SetEngineString("HMAC-SHA256");
3503                 else
3504                         PRVM_serveredictstring(e, crypto_signmethod) = 0;
3505         }
3506 }
3507
3508 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3509 {
3510         int i;
3511         int e;
3512
3513         World_UnlinkEdict(ed);          // unlink from world bsp
3514
3515         PRVM_serveredictstring(ed, model) = 0;
3516         PRVM_serveredictfloat(ed, takedamage) = 0;
3517         PRVM_serveredictfloat(ed, modelindex) = 0;
3518         PRVM_serveredictfloat(ed, colormap) = 0;
3519         PRVM_serveredictfloat(ed, skin) = 0;
3520         PRVM_serveredictfloat(ed, frame) = 0;
3521         VectorClear(PRVM_serveredictvector(ed, origin));
3522         VectorClear(PRVM_serveredictvector(ed, angles));
3523         PRVM_serveredictfloat(ed, nextthink) = -1;
3524         PRVM_serveredictfloat(ed, solid) = 0;
3525
3526         VM_RemoveEdictSkeleton(ed);
3527         World_Physics_RemoveFromEntity(&sv.world, ed);
3528         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3529
3530         // make sure csqc networking is aware of the removed entity
3531         e = PRVM_NUM_FOR_EDICT(ed);
3532         sv.csqcentityversion[e] = 0;
3533         for (i = 0;i < svs.maxclients;i++)
3534         {
3535                 if (svs.clients[i].csqcentityscope[e])
3536                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3537                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3538         }
3539 }
3540
3541 static void SV_VM_CB_CountEdicts(void)
3542 {
3543         int             i;
3544         prvm_edict_t    *ent;
3545         int             active, models, solid, step;
3546
3547         active = models = solid = step = 0;
3548         for (i=0 ; i<prog->num_edicts ; i++)
3549         {
3550                 ent = PRVM_EDICT_NUM(i);
3551                 if (ent->priv.server->free)
3552                         continue;
3553                 active++;
3554                 if (PRVM_serveredictfloat(ent, solid))
3555                         solid++;
3556                 if (PRVM_serveredictstring(ent, model))
3557                         models++;
3558                 if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
3559                         step++;
3560         }
3561
3562         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3563         Con_Printf("active    :%3i\n", active);
3564         Con_Printf("view      :%3i\n", models);
3565         Con_Printf("touch     :%3i\n", solid);
3566         Con_Printf("step      :%3i\n", step);
3567 }
3568
3569 static qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
3570 {
3571         // remove things from different skill levels or deathmatch
3572         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3573         {
3574                 if (deathmatch.integer)
3575                 {
3576                         if (((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_DEATHMATCH))
3577                         {
3578                                 return false;
3579                         }
3580                 }
3581                 else if ((current_skill <= 0 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_EASY  ))
3582                         || (current_skill == 1 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_MEDIUM))
3583                         || (current_skill >= 2 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_HARD  )))
3584                 {
3585                         return false;
3586                 }
3587         }
3588         return true;
3589 }
3590
3591 static void SV_VM_Setup(void)
3592 {
3593         PRVM_Begin;
3594         PRVM_InitProg( PRVM_SERVERPROG );
3595
3596         // allocate the mempools
3597         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3598         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3599         prog->builtins = vm_sv_builtins;
3600         prog->numbuiltins = vm_sv_numbuiltins;
3601         prog->max_edicts = 512;
3602         if (sv.protocol == PROTOCOL_QUAKE)
3603                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3604         else if (sv.protocol == PROTOCOL_QUAKEDP)
3605                 prog->limit_edicts = 2048; // guessing
3606         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3607                 prog->limit_edicts = 2048; // guessing!
3608         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3609                 prog->limit_edicts = 4096; // guessing!
3610         else
3611                 prog->limit_edicts = MAX_EDICTS;
3612         prog->reserved_edicts = svs.maxclients;
3613         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3614         prog->name = "server";
3615         prog->extensionstring = vm_sv_extensions;
3616         prog->loadintoworld = true;
3617
3618         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
3619         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
3620         prog->init_edict = SV_VM_CB_InitEdict;
3621         prog->free_edict = SV_VM_CB_FreeEdict;
3622         prog->count_edicts = SV_VM_CB_CountEdicts;
3623         prog->load_edict = SV_VM_CB_LoadEdict;
3624         prog->init_cmd = VM_SV_Cmd_Init;
3625         prog->reset_cmd = VM_SV_Cmd_Reset;
3626         prog->error_cmd = Host_Error;
3627         prog->ExecuteProgram = SVVM_ExecuteProgram;
3628
3629         PRVM_LoadProgs( sv_progs.string, SV_REQFUNCS, sv_reqfuncs, SV_REQFIELDS, sv_reqfields, SV_REQGLOBALS, sv_reqglobals);
3630
3631         // some mods compiled with scrambling compilers lack certain critical
3632         // global names and field names such as "self" and "time" and "nextthink"
3633         // so we have to set these offsets manually, matching the entvars_t
3634         // but we only do this if the prog header crc matches, otherwise it's totally freeform
3635         if (prog->progs_crc == PROGHEADER_CRC || prog->progs_crc == PROGHEADER_CRC_TENEBRAE)
3636         {
3637                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, modelindex);
3638                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmin);
3639                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmax);
3640                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ltime);
3641                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movetype);
3642                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, solid);
3643                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, origin);
3644                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, oldorigin);
3645                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, velocity);
3646                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3647                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, avelocity);
3648                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, punchangle);
3649                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3650                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, model);
3651                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3652                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, skin);
3653                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, effects);
3654                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, mins);
3655                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, maxs);
3656                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, size);
3657                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, touch);
3658                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, use);
3659                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3660                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, blocked);
3661                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3662                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3663                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, health);
3664                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frags);
3665                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weapon);
3666                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponmodel);
3667                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponframe);
3668                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, currentammo);
3669                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_shells);
3670                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_nails);
3671                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_rockets);
3672                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_cells);
3673                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, items);
3674                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, takedamage);
3675                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3676                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, deadflag);
3677                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, view_ofs);
3678                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button0);
3679                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button1);
3680                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button2);
3681                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, impulse);
3682                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, fixangle);
3683                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, v_angle);
3684                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, idealpitch);
3685                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, netname);
3686                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, enemy);
3687                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, flags);
3688                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, colormap);
3689                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, team);
3690                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, max_health);
3691                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, teleport_time);
3692                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armortype);
3693                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armorvalue);
3694                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, waterlevel);
3695                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, watertype);
3696                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3697                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3698                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, aiment);
3699                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, goalentity);
3700                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, spawnflags);
3701                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, target);
3702                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, targetname);
3703                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_take);
3704                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_save);
3705                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_inflictor);
3706                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, owner);
3707                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movedir);
3708                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, message);
3709                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, sounds);
3710                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise);
3711                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise1);
3712                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise2);
3713                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise3);
3714                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3715                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, other);
3716                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, world);
3717                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3718                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, frametime);
3719                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, force_retouch);
3720                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, mapname);
3721                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, deathmatch);
3722                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, coop);
3723                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, teamplay);
3724                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, serverflags);
3725                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_secrets);
3726                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_monsters);
3727                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, found_secrets);
3728                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, killed_monsters);
3729                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm1);
3730                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm2);
3731                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm3);
3732                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm4);
3733                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm5);
3734                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm6);
3735                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm7);
3736                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm8);
3737                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm9);
3738                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm10);
3739                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm11);
3740                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm12);
3741                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm13);
3742                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm14);
3743                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm15);
3744                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm16);
3745                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3746                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3747                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3748                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3749                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3750                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3751                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3752                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3753                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3754                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3755                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3756                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3757                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, msg_entity);
3758 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, main);
3759 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, StartFrame);
3760 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPreThink);
3761 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPostThink);
3762 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientKill);
3763 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientConnect);
3764 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PutClientInServer);
3765 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientDisconnect);
3766 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetNewParms);
3767 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetChangeParms);
3768         }
3769         else
3770                 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);
3771
3772         // OP_STATE is always supported on server because we add fields/globals for it
3773         prog->flag |= PRVM_OP_STATE;
3774
3775         VM_CustomStats_Clear();//[515]: csqc
3776
3777         PRVM_End;
3778
3779         SV_Prepare_CSQC();
3780 }
3781
3782 void SV_VM_Begin(void)
3783 {
3784         PRVM_Begin;
3785         PRVM_SetProg( PRVM_SERVERPROG );
3786
3787         PRVM_serverglobalfloat(time) = (float) sv.time;
3788 }
3789
3790 void SV_VM_End(void)
3791 {
3792         PRVM_End;
3793 }