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 #include "thread.h"
  27
  28 static void SV_SaveEntFile_f(void);
  29 static void SV_StartDownload_f(void);
  30 static void SV_Download_f(void);
  31 static void SV_VM_Setup(void);
  32 extern cvar_t net_connecttimeout;
  33
  34 void VM_CustomStats_Clear (void);
  35 void VM_SV_UpdateCustomStats (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats);
  36
  37 cvar_t sv_worldmessage = {CVAR_READONLY, "sv_worldmessage", "", "title of current level"};
  38 cvar_t sv_worldname = {CVAR_READONLY, "sv_worldname", "", "name of current worldmodel"};
  39 cvar_t sv_worldnamenoextension = {CVAR_READONLY, "sv_worldnamenoextension", "", "name of current worldmodel without extension"};
  40 cvar_t sv_worldbasename = {CVAR_READONLY, "sv_worldbasename", "", "name of current worldmodel without maps/ prefix or extension"};
  41
  42 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)"};
  43 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)"};
  44 cvar_t fraglimit = {CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
  45 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
  46 cvar_t noexit = {CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
  47 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
  48 cvar_t pausable = {0, "pausable","1", "allow players to pause or not"};
  49 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)"};
  50 cvar_t samelevel = {CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
  51 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)"};
  52 cvar_t slowmo = {0, "slowmo", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
  53
  54 cvar_t sv_accelerate = {0, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
  55 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"};
  56 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"};
  57 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"};
  58 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"};
  59 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"};
  60 cvar_t sv_airstopaccelerate = {0, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
  61 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"};
  62 cvar_t sv_airstrafeaccelerate = {0, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
  63 cvar_t sv_maxairstrafespeed = {0, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
  64 cvar_t sv_airstrafeaccel_qw = {0, "sv_airstrafeaccel_qw", "0", "when set, replacement for sv_airaccel_qw when just strafing"};
  65 cvar_t sv_aircontrol = {0, "sv_aircontrol", "0", "CPMA-style air control"};
  66 cvar_t sv_aircontrol_power = {0, "sv_aircontrol_power", "2", "CPMA-style air control exponent"};
  67 cvar_t sv_aircontrol_penalty = {0, "sv_aircontrol_penalty", "0", "deceleration while using CPMA-style air control"};
  68 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
  69 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
  70 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
  71 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
  72 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
  73 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"};
  74 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"};
  75 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"};
  76 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)"};
  77 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)"};
  78 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)"};
  79 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!)"};
  80 cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
  81 cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  82 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"};
  83 cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  84 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"};
  85 cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  86 cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
  87 cvar_t sv_cullentities_trace_prediction_time = {0, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
  88 cvar_t sv_cullentities_trace_entityocclusion = {0, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
  89 cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
  90 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"};
  91 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"};
  92 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
  93 cvar_t sv_echobprint = {CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
  94 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)"};
  95 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)"};
  96 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)"};
  97 cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
  98 cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
  99 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"};
 100 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"};
 101 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"};
 102 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)"};
 103 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"};
 104 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)"};
 105 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"};
 106 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
 107 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
 108 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"};
 109 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"};
 110 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)"};
 111 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)"};
 112 cvar_t sv_gameplayfix_nudgeoutofsolid_separation = {0, "sv_gameplayfix_nudgeoutofsolid_separation", "0.03125", "keep objects this distance apart to prevent collision issues on seams"};
 113 cvar_t sv_gameplayfix_q2airaccelerate = {0, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
 114 cvar_t sv_gameplayfix_nogravityonground = {0, "sv_gameplayfix_nogravityonground", "0", "turn off gravity when on ground (to get rid of sliding)"};
 115 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"};
 116 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"};
 117 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)"};
 118 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)"};
 119 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"};
 120 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"};
 121 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"};
 122 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"};
 123 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)"};
 124 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"};
 125 cvar_t sv_gameplayfix_unstickplayers = {0, "sv_gameplayfix_unstickplayers", "1", "big hack to try and fix the rare case of MOVETYPE_WALK entities getting stuck in the world clipping hull."};
 126 cvar_t sv_gameplayfix_unstickentities = {0, "sv_gameplayfix_unstickentities", "1", "hack to check if entities are crossing world collision hull and try to move them to the right position"};
 127 cvar_t sv_gameplayfix_fixedcheckwatertransition = {0, "sv_gameplayfix_fixedcheckwatertransition", "1", "fix two very stupid bugs in SV_CheckWaterTransition when watertype is CONTENTS_EMPTY (the bugs causes waterlevel to be 1 on first frame, -1 on second frame - the fix makes it 0 on both frames)"};
 128 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 129 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 130 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
 131 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 132 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)"};
 133 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 134 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 135 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 136 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 137 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 138 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 139 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 140 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"};
 141 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)"};
 142 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)"};
 143 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)"};
 144 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 145 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 146 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 147 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"};
 148 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"};
 149 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 150 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)"};
 151 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 152 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)"};
 153 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"};
 154 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
 155 cvar_t sv_areadebug = {0, "sv_areadebug", "0", "disables physics culling for debugging purposes (only for development)"};
 156 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"};
 157 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"};
 158 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 159 cvar_t sv_threaded = {0, "sv_threaded", "0", "enables a separate thread for server code, improving performance, especially when hosting a game while playing, EXPERIMENTAL, may be crashy"};
 160
 161 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 162 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 163 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 164 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 165 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 166 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 167 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 168 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 169 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 170 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)"};
 171
 172 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 173 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 174 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 175 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 176 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 177 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 178 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 179 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 180 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 181 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 182 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 183 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 184 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 185 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 186 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 187 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 188 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 189 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 190 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 191 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 192 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 193
 194 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)"};
 195 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)" };
 196 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."};
 197
 198 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 199
 200 server_t sv;
 201 server_static_t svs;
 202
 203 mempool_t *sv_mempool = NULL;
 204
 205 extern cvar_t slowmo;
 206 extern float            scr_centertime_off;
 207
 208 // MUST match effectnameindex_t in client.h
 209 static const char *standardeffectnames[EFFECT_TOTAL] =
 210 {
 211         "",
 212         "TE_GUNSHOT",
 213         "TE_GUNSHOTQUAD",
 214         "TE_SPIKE",
 215         "TE_SPIKEQUAD",
 216         "TE_SUPERSPIKE",
 217         "TE_SUPERSPIKEQUAD",
 218         "TE_WIZSPIKE",
 219         "TE_KNIGHTSPIKE",
 220         "TE_EXPLOSION",
 221         "TE_EXPLOSIONQUAD",
 222         "TE_TAREXPLOSION",
 223         "TE_TELEPORT",
 224         "TE_LAVASPLASH",
 225         "TE_SMALLFLASH",
 226         "TE_FLAMEJET",
 227         "EF_FLAME",
 228         "TE_BLOOD",
 229         "TE_SPARK",
 230         "TE_PLASMABURN",
 231         "TE_TEI_G3",
 232         "TE_TEI_SMOKE",
 233         "TE_TEI_BIGEXPLOSION",
 234         "TE_TEI_PLASMAHIT",
 235         "EF_STARDUST",
 236         "TR_ROCKET",
 237         "TR_GRENADE",
 238         "TR_BLOOD",
 239         "TR_WIZSPIKE",
 240         "TR_SLIGHTBLOOD",
 241         "TR_KNIGHTSPIKE",
 242         "TR_VORESPIKE",
 243         "TR_NEHAHRASMOKE",
 244         "TR_NEXUIZPLASMA",
 245         "TR_GLOWTRAIL",
 246         "SVC_PARTICLE"
 247 };
 248
 249 #define SV_REQFUNCS 0
 250 #define sv_reqfuncs NULL
 251
 252 //#define SV_REQFUNCS (sizeof(sv_reqfuncs) / sizeof(const char *))
 253 //static const char *sv_reqfuncs[] = {
 254 //};
 255
 256 #define SV_REQFIELDS (sizeof(sv_reqfields) / sizeof(prvm_required_field_t))
 257
 258 prvm_required_field_t sv_reqfields[] =
 259 {
 260 #define PRVM_DECLARE_serverglobalfloat(x)
 261 #define PRVM_DECLARE_serverglobalvector(x)
 262 #define PRVM_DECLARE_serverglobalstring(x)
 263 #define PRVM_DECLARE_serverglobaledict(x)
 264 #define PRVM_DECLARE_serverglobalfunction(x)
 265 #define PRVM_DECLARE_clientglobalfloat(x)
 266 #define PRVM_DECLARE_clientglobalvector(x)
 267 #define PRVM_DECLARE_clientglobalstring(x)
 268 #define PRVM_DECLARE_clientglobaledict(x)
 269 #define PRVM_DECLARE_clientglobalfunction(x)
 270 #define PRVM_DECLARE_menuglobalfloat(x)
 271 #define PRVM_DECLARE_menuglobalvector(x)
 272 #define PRVM_DECLARE_menuglobalstring(x)
 273 #define PRVM_DECLARE_menuglobaledict(x)
 274 #define PRVM_DECLARE_menuglobalfunction(x)
 275 #define PRVM_DECLARE_serverfieldfloat(x) {ev_float, #x},
 276 #define PRVM_DECLARE_serverfieldvector(x) {ev_vector, #x},
 277 #define PRVM_DECLARE_serverfieldstring(x) {ev_string, #x},
 278 #define PRVM_DECLARE_serverfieldedict(x) {ev_entity, #x},
 279 #define PRVM_DECLARE_serverfieldfunction(x) {ev_function, #x},
 280 #define PRVM_DECLARE_clientfieldfloat(x)
 281 #define PRVM_DECLARE_clientfieldvector(x)
 282 #define PRVM_DECLARE_clientfieldstring(x)
 283 #define PRVM_DECLARE_clientfieldedict(x)
 284 #define PRVM_DECLARE_clientfieldfunction(x)
 285 #define PRVM_DECLARE_menufieldfloat(x)
 286 #define PRVM_DECLARE_menufieldvector(x)
 287 #define PRVM_DECLARE_menufieldstring(x)
 288 #define PRVM_DECLARE_menufieldedict(x)
 289 #define PRVM_DECLARE_menufieldfunction(x)
 290 #define PRVM_DECLARE_serverfunction(x)
 291 #define PRVM_DECLARE_clientfunction(x)
 292 #define PRVM_DECLARE_menufunction(x)
 293 #define PRVM_DECLARE_field(x)
 294 #define PRVM_DECLARE_global(x)
 295 #define PRVM_DECLARE_function(x)
 296 #include "prvm_offsets.h"
 297 #undef PRVM_DECLARE_serverglobalfloat
 298 #undef PRVM_DECLARE_serverglobalvector
 299 #undef PRVM_DECLARE_serverglobalstring
 300 #undef PRVM_DECLARE_serverglobaledict
 301 #undef PRVM_DECLARE_serverglobalfunction
 302 #undef PRVM_DECLARE_clientglobalfloat
 303 #undef PRVM_DECLARE_clientglobalvector
 304 #undef PRVM_DECLARE_clientglobalstring
 305 #undef PRVM_DECLARE_clientglobaledict
 306 #undef PRVM_DECLARE_clientglobalfunction
 307 #undef PRVM_DECLARE_menuglobalfloat
 308 #undef PRVM_DECLARE_menuglobalvector
 309 #undef PRVM_DECLARE_menuglobalstring
 310 #undef PRVM_DECLARE_menuglobaledict
 311 #undef PRVM_DECLARE_menuglobalfunction
 312 #undef PRVM_DECLARE_serverfieldfloat
 313 #undef PRVM_DECLARE_serverfieldvector
 314 #undef PRVM_DECLARE_serverfieldstring
 315 #undef PRVM_DECLARE_serverfieldedict
 316 #undef PRVM_DECLARE_serverfieldfunction
 317 #undef PRVM_DECLARE_clientfieldfloat
 318 #undef PRVM_DECLARE_clientfieldvector
 319 #undef PRVM_DECLARE_clientfieldstring
 320 #undef PRVM_DECLARE_clientfieldedict
 321 #undef PRVM_DECLARE_clientfieldfunction
 322 #undef PRVM_DECLARE_menufieldfloat
 323 #undef PRVM_DECLARE_menufieldvector
 324 #undef PRVM_DECLARE_menufieldstring
 325 #undef PRVM_DECLARE_menufieldedict
 326 #undef PRVM_DECLARE_menufieldfunction
 327 #undef PRVM_DECLARE_serverfunction
 328 #undef PRVM_DECLARE_clientfunction
 329 #undef PRVM_DECLARE_menufunction
 330 #undef PRVM_DECLARE_field
 331 #undef PRVM_DECLARE_global
 332 #undef PRVM_DECLARE_function
 333 };
 334
 335 #define SV_REQGLOBALS (sizeof(sv_reqglobals) / sizeof(prvm_required_field_t))
 336
 337 prvm_required_field_t sv_reqglobals[] =
 338 {
 339 #define PRVM_DECLARE_serverglobalfloat(x) {ev_float, #x},
 340 #define PRVM_DECLARE_serverglobalvector(x) {ev_vector, #x},
 341 #define PRVM_DECLARE_serverglobalstring(x) {ev_string, #x},
 342 #define PRVM_DECLARE_serverglobaledict(x) {ev_entity, #x},
 343 #define PRVM_DECLARE_serverglobalfunction(x) {ev_function, #x},
 344 #define PRVM_DECLARE_clientglobalfloat(x)
 345 #define PRVM_DECLARE_clientglobalvector(x)
 346 #define PRVM_DECLARE_clientglobalstring(x)
 347 #define PRVM_DECLARE_clientglobaledict(x)
 348 #define PRVM_DECLARE_clientglobalfunction(x)
 349 #define PRVM_DECLARE_menuglobalfloat(x)
 350 #define PRVM_DECLARE_menuglobalvector(x)
 351 #define PRVM_DECLARE_menuglobalstring(x)
 352 #define PRVM_DECLARE_menuglobaledict(x)
 353 #define PRVM_DECLARE_menuglobalfunction(x)
 354 #define PRVM_DECLARE_serverfieldfloat(x)
 355 #define PRVM_DECLARE_serverfieldvector(x)
 356 #define PRVM_DECLARE_serverfieldstring(x)
 357 #define PRVM_DECLARE_serverfieldedict(x)
 358 #define PRVM_DECLARE_serverfieldfunction(x)
 359 #define PRVM_DECLARE_clientfieldfloat(x)
 360 #define PRVM_DECLARE_clientfieldvector(x)
 361 #define PRVM_DECLARE_clientfieldstring(x)
 362 #define PRVM_DECLARE_clientfieldedict(x)
 363 #define PRVM_DECLARE_clientfieldfunction(x)
 364 #define PRVM_DECLARE_menufieldfloat(x)
 365 #define PRVM_DECLARE_menufieldvector(x)
 366 #define PRVM_DECLARE_menufieldstring(x)
 367 #define PRVM_DECLARE_menufieldedict(x)
 368 #define PRVM_DECLARE_menufieldfunction(x)
 369 #define PRVM_DECLARE_serverfunction(x)
 370 #define PRVM_DECLARE_clientfunction(x)
 371 #define PRVM_DECLARE_menufunction(x)
 372 #define PRVM_DECLARE_field(x)
 373 #define PRVM_DECLARE_global(x)
 374 #define PRVM_DECLARE_function(x)
 375 #include "prvm_offsets.h"
 376 #undef PRVM_DECLARE_serverglobalfloat
 377 #undef PRVM_DECLARE_serverglobalvector
 378 #undef PRVM_DECLARE_serverglobalstring
 379 #undef PRVM_DECLARE_serverglobaledict
 380 #undef PRVM_DECLARE_serverglobalfunction
 381 #undef PRVM_DECLARE_clientglobalfloat
 382 #undef PRVM_DECLARE_clientglobalvector
 383 #undef PRVM_DECLARE_clientglobalstring
 384 #undef PRVM_DECLARE_clientglobaledict
 385 #undef PRVM_DECLARE_clientglobalfunction
 386 #undef PRVM_DECLARE_menuglobalfloat
 387 #undef PRVM_DECLARE_menuglobalvector
 388 #undef PRVM_DECLARE_menuglobalstring
 389 #undef PRVM_DECLARE_menuglobaledict
 390 #undef PRVM_DECLARE_menuglobalfunction
 391 #undef PRVM_DECLARE_serverfieldfloat
 392 #undef PRVM_DECLARE_serverfieldvector
 393 #undef PRVM_DECLARE_serverfieldstring
 394 #undef PRVM_DECLARE_serverfieldedict
 395 #undef PRVM_DECLARE_serverfieldfunction
 396 #undef PRVM_DECLARE_clientfieldfloat
 397 #undef PRVM_DECLARE_clientfieldvector
 398 #undef PRVM_DECLARE_clientfieldstring
 399 #undef PRVM_DECLARE_clientfieldedict
 400 #undef PRVM_DECLARE_clientfieldfunction
 401 #undef PRVM_DECLARE_menufieldfloat
 402 #undef PRVM_DECLARE_menufieldvector
 403 #undef PRVM_DECLARE_menufieldstring
 404 #undef PRVM_DECLARE_menufieldedict
 405 #undef PRVM_DECLARE_menufieldfunction
 406 #undef PRVM_DECLARE_serverfunction
 407 #undef PRVM_DECLARE_clientfunction
 408 #undef PRVM_DECLARE_menufunction
 409 #undef PRVM_DECLARE_field
 410 #undef PRVM_DECLARE_global
 411 #undef PRVM_DECLARE_function
 412 };
 413
 414
 415
 416 //============================================================================
 417
 418 void SV_AreaStats_f(void)
 419 {
 420         World_PrintAreaStats(&sv.world, "server");
 421 }
 422
 423 /*
 424 ===============
 425 SV_Init
 426 ===============
 427 */
 428 void SV_Init (void)
 429 {
 430         // init the csqc progs cvars, since they are updated/used by the server code
 431         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 432         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 433         extern cvar_t csqc_progcrc;
 434         extern cvar_t csqc_progsize;
 435         extern cvar_t csqc_usedemoprogs;
 436
 437         Cvar_RegisterVariable(&sv_worldmessage);
 438         Cvar_RegisterVariable(&sv_worldname);
 439         Cvar_RegisterVariable(&sv_worldnamenoextension);
 440         Cvar_RegisterVariable(&sv_worldbasename);
 441
 442         Cvar_RegisterVariable (&csqc_progname);
 443         Cvar_RegisterVariable (&csqc_progcrc);
 444         Cvar_RegisterVariable (&csqc_progsize);
 445         Cvar_RegisterVariable (&csqc_usedemoprogs);
 446
 447         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 448         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 449         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 450         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
 451
 452         Cvar_RegisterVariable (&coop);
 453         Cvar_RegisterVariable (&deathmatch);
 454         Cvar_RegisterVariable (&fraglimit);
 455         Cvar_RegisterVariable (&gamecfg);
 456         Cvar_RegisterVariable (&noexit);
 457         Cvar_RegisterVariable (&nomonsters);
 458         Cvar_RegisterVariable (&pausable);
 459         Cvar_RegisterVariable (&pr_checkextension);
 460         Cvar_RegisterVariable (&samelevel);
 461         Cvar_RegisterVariable (&skill);
 462         Cvar_RegisterVariable (&slowmo);
 463         Cvar_RegisterVariable (&sv_accelerate);
 464         Cvar_RegisterVariable (&sv_aim);
 465         Cvar_RegisterVariable (&sv_airaccel_qw);
 466         Cvar_RegisterVariable (&sv_airaccel_qw_stretchfactor);
 467         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 468         Cvar_RegisterVariable (&sv_airaccelerate);
 469         Cvar_RegisterVariable (&sv_airstopaccelerate);
 470         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 471         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 472         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
 473         Cvar_RegisterVariable (&sv_airspeedlimit_nonqw);
 474         Cvar_RegisterVariable (&sv_aircontrol);
 475         Cvar_RegisterVariable (&sv_aircontrol_power);
 476         Cvar_RegisterVariable (&sv_aircontrol_penalty);
 477         Cvar_RegisterVariable (&sv_allowdownloads);
 478         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 479         Cvar_RegisterVariable (&sv_allowdownloads_config);
 480         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 481         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 482         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 483         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 484         Cvar_RegisterVariable (&sv_clmovement_enable);
 485         Cvar_RegisterVariable (&sv_clmovement_minping);
 486         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 487         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 488         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 489         Cvar_RegisterVariable (&sv_cullentities_pvs);
 490         Cvar_RegisterVariable (&sv_cullentities_stats);
 491         Cvar_RegisterVariable (&sv_cullentities_trace);
 492         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 493         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 494         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 495         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 496         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 497         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 498         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 499         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 500         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 501         Cvar_RegisterVariable (&sv_debugmove);
 502         Cvar_RegisterVariable (&sv_echobprint);
 503         Cvar_RegisterVariable (&sv_edgefriction);
 504         Cvar_RegisterVariable (&sv_entpatch);
 505         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 506         Cvar_RegisterVariable (&sv_freezenonclients);
 507         Cvar_RegisterVariable (&sv_friction);
 508         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 509         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
 510         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 511         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 512         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 513         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 514         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 515         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 516         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 517         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 518         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 519         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 520         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
 521         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_separation);
 522         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 523         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
 524         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 525         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 526         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 527         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
 528         Cvar_RegisterVariable (&sv_gameplayfix_stepmultipletimes);
 529         Cvar_RegisterVariable (&sv_gameplayfix_nostepmoveonsteepslopes);
 530         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 531         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 532         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
 533         Cvar_RegisterVariable (&sv_gameplayfix_q1bsptracelinereportstexture);
 534         Cvar_RegisterVariable (&sv_gameplayfix_unstickplayers);
 535         Cvar_RegisterVariable (&sv_gameplayfix_unstickentities);
 536         Cvar_RegisterVariable (&sv_gameplayfix_fixedcheckwatertransition);
 537         Cvar_RegisterVariable (&sv_gravity);
 538         Cvar_RegisterVariable (&sv_idealpitchscale);
 539         Cvar_RegisterVariable (&sv_jumpstep);
 540         Cvar_RegisterVariable (&sv_jumpvelocity);
 541         Cvar_RegisterVariable (&sv_maxairspeed);
 542         Cvar_RegisterVariable (&sv_maxrate);
 543         Cvar_RegisterVariable (&sv_maxspeed);
 544         Cvar_RegisterVariable (&sv_maxvelocity);
 545         Cvar_RegisterVariable (&sv_nostep);
 546         Cvar_RegisterVariable (&sv_playerphysicsqc);
 547         Cvar_RegisterVariable (&sv_progs);
 548         Cvar_RegisterVariable (&sv_protocolname);
 549         Cvar_RegisterVariable (&sv_random_seed);
 550         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
 551         Cvar_RegisterVariable (&sv_sound_land);
 552         Cvar_RegisterVariable (&sv_sound_watersplash);
 553         Cvar_RegisterVariable (&sv_stepheight);
 554         Cvar_RegisterVariable (&sv_stopspeed);
 555         Cvar_RegisterVariable (&sv_wallfriction);
 556         Cvar_RegisterVariable (&sv_wateraccelerate);
 557         Cvar_RegisterVariable (&sv_waterfriction);
 558         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 559         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 560         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 561         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 562         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 563         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 564         Cvar_RegisterVariable (&sv_areadebug);
 565         Cvar_RegisterVariable (&sys_ticrate);
 566         Cvar_RegisterVariable (&teamplay);
 567         Cvar_RegisterVariable (&timelimit);
 568         Cvar_RegisterVariable (&sv_threaded);
 569
 570         Cvar_RegisterVariable (&saved1);
 571         Cvar_RegisterVariable (&saved2);
 572         Cvar_RegisterVariable (&saved3);
 573         Cvar_RegisterVariable (&saved4);
 574         Cvar_RegisterVariable (&savedgamecfg);
 575         Cvar_RegisterVariable (&scratch1);
 576         Cvar_RegisterVariable (&scratch2);
 577         Cvar_RegisterVariable (&scratch3);
 578         Cvar_RegisterVariable (&scratch4);
 579         Cvar_RegisterVariable (&temp1);
 580
 581         // LordHavoc: Nehahra uses these to pass data around cutscene demos
 582         Cvar_RegisterVariable (&nehx00);
 583         Cvar_RegisterVariable (&nehx01);
 584         Cvar_RegisterVariable (&nehx02);
 585         Cvar_RegisterVariable (&nehx03);
 586         Cvar_RegisterVariable (&nehx04);
 587         Cvar_RegisterVariable (&nehx05);
 588         Cvar_RegisterVariable (&nehx06);
 589         Cvar_RegisterVariable (&nehx07);
 590         Cvar_RegisterVariable (&nehx08);
 591         Cvar_RegisterVariable (&nehx09);
 592         Cvar_RegisterVariable (&nehx10);
 593         Cvar_RegisterVariable (&nehx11);
 594         Cvar_RegisterVariable (&nehx12);
 595         Cvar_RegisterVariable (&nehx13);
 596         Cvar_RegisterVariable (&nehx14);
 597         Cvar_RegisterVariable (&nehx15);
 598         Cvar_RegisterVariable (&nehx16);
 599         Cvar_RegisterVariable (&nehx17);
 600         Cvar_RegisterVariable (&nehx18);
 601         Cvar_RegisterVariable (&nehx19);
 602         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 603
 604         Cvar_RegisterVariable (&sv_autodemo_perclient);
 605         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 606         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
 607
 608         Cvar_RegisterVariable (&halflifebsp);
 609
 610         sv_mempool = Mem_AllocPool("server", 0, NULL);
 611 }
 612
 613 static void SV_SaveEntFile_f(void)
 614 {
 615         if (!sv.active || !sv.worldmodel)
 616         {
 617                 Con_Print("Not running a server\n");
 618                 return;
 619         }
 620         FS_WriteFile(va("%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 621 }
 622
 623
 624 /*
 625 =============================================================================
 626
 627 EVENT MESSAGES
 628
 629 =============================================================================
 630 */
 631
 632 /*
 633 ==================
 634 SV_StartParticle
 635
 636 Make sure the event gets sent to all clients
 637 ==================
 638 */
 639 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 640 {
 641         int i;
 642
 643         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 644                 return;
 645         MSG_WriteByte (&sv.datagram, svc_particle);
 646         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 647         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 648         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 649         for (i=0 ; i<3 ; i++)
 650                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 651         MSG_WriteByte (&sv.datagram, count);
 652         MSG_WriteByte (&sv.datagram, color);
 653         SV_FlushBroadcastMessages();
 654 }
 655
 656 /*
 657 ==================
 658 SV_StartEffect
 659
 660 Make sure the event gets sent to all clients
 661 ==================
 662 */
 663 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 664 {
 665         if (modelindex >= 256 || startframe >= 256)
 666         {
 667                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 668                         return;
 669                 MSG_WriteByte (&sv.datagram, svc_effect2);
 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_WriteShort (&sv.datagram, modelindex);
 674                 MSG_WriteShort (&sv.datagram, startframe);
 675                 MSG_WriteByte (&sv.datagram, framecount);
 676                 MSG_WriteByte (&sv.datagram, framerate);
 677         }
 678         else
 679         {
 680                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 681                         return;
 682                 MSG_WriteByte (&sv.datagram, svc_effect);
 683                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 684                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 685                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 686                 MSG_WriteByte (&sv.datagram, modelindex);
 687                 MSG_WriteByte (&sv.datagram, startframe);
 688                 MSG_WriteByte (&sv.datagram, framecount);
 689                 MSG_WriteByte (&sv.datagram, framerate);
 690         }
 691         SV_FlushBroadcastMessages();
 692 }
 693
 694 /*
 695 ==================
 696 SV_StartSound
 697
 698 Each entity can have eight independant sound sources, like voice,
 699 weapon, feet, etc.
 700
 701 Channel 0 is an auto-allocate channel, the others override anything
 702 already running on that entity/channel pair.
 703
 704 An attenuation of 0 will play full volume everywhere in the level.
 705 Larger attenuations will drop off.  (max 4 attenuation)
 706
 707 ==================
 708 */
 709 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation, qboolean reliable, float speed)
 710 {
 711         sizebuf_t *dest;
 712         int sound_num, field_mask, i, ent, speed4000;
 713
 714         dest = (reliable ? &sv.reliable_datagram : &sv.datagram);
 715
 716         if (volume < 0 || volume > 255)
 717         {
 718                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
 719                 return;
 720         }
 721
 722         if (attenuation < 0 || attenuation > 4)
 723         {
 724                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 725                 return;
 726         }
 727
 728         if (!IS_CHAN(channel))
 729         {
 730                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 731                 return;
 732         }
 733
 734         channel = CHAN_ENGINE2NET(channel);
 735
 736         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 737                 return;
 738
 739 // find precache number for sound
 740         sound_num = SV_SoundIndex(sample, 1);
 741         if (!sound_num)
 742                 return;
 743
 744         ent = PRVM_NUM_FOR_EDICT(entity);
 745
 746         speed4000 = (int)floor(speed * 4000.0f + 0.5f);
 747         field_mask = 0;
 748         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 749                 field_mask |= SND_VOLUME;
 750         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 751                 field_mask |= SND_ATTENUATION;
 752         if (speed4000 && speed4000 != 4000)
 753                 field_mask |= SND_SPEEDUSHORT4000;
 754         if (ent >= 8192 || channel < 0 || channel > 7)
 755                 field_mask |= SND_LARGEENTITY;
 756         if (sound_num >= 256)
 757                 field_mask |= SND_LARGESOUND;
 758
 759 // directed messages go only to the entity they are targeted on
 760         MSG_WriteByte (dest, svc_sound);
 761         MSG_WriteByte (dest, field_mask);
 762         if (field_mask & SND_VOLUME)
 763                 MSG_WriteByte (dest, volume);
 764         if (field_mask & SND_ATTENUATION)
 765                 MSG_WriteByte (dest, (int)(attenuation*64));
 766         if (field_mask & SND_SPEEDUSHORT4000)
 767                 MSG_WriteShort (dest, speed4000);
 768         if (field_mask & SND_LARGEENTITY)
 769         {
 770                 MSG_WriteShort (dest, ent);
 771                 MSG_WriteChar (dest, channel);
 772         }
 773         else
 774                 MSG_WriteShort (dest, (ent<<3) | channel);
 775         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 776                 MSG_WriteShort (dest, sound_num);
 777         else
 778                 MSG_WriteByte (dest, sound_num);
 779         for (i = 0;i < 3;i++)
 780                 MSG_WriteCoord (dest, PRVM_serveredictvector(entity, origin)[i]+0.5*(PRVM_serveredictvector(entity, mins)[i]+PRVM_serveredictvector(entity, maxs)[i]), sv.protocol);
 781
 782         // TODO do we have to do anything here when dest is &sv.reliable_datagram?
 783         if(!reliable)
 784                 SV_FlushBroadcastMessages();
 785 }
 786
 787 /*
 788 ==================
 789 SV_StartPointSound
 790
 791 Nearly the same logic as SV_StartSound, except an origin
 792 instead of an entity is provided and channel is omitted.
 793
 794 The entity sent to the client is 0 (world) and the channel
 795 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 796 function, therefore the check for it is omitted.
 797
 798 ==================
 799 */
 800 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation, float speed)
 801 {
 802         int sound_num, field_mask, i, speed4000;
 803
 804         if (volume < 0 || volume > 255)
 805         {
 806                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
 807                 return;
 808         }
 809
 810         if (attenuation < 0 || attenuation > 4)
 811         {
 812                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 813                 return;
 814         }
 815
 816         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 817                 return;
 818
 819         // find precache number for sound
 820         sound_num = SV_SoundIndex(sample, 1);
 821         if (!sound_num)
 822                 return;
 823
 824         speed4000 = (int)(speed * 40.0f);
 825         field_mask = 0;
 826         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 827                 field_mask |= SND_VOLUME;
 828         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 829                 field_mask |= SND_ATTENUATION;
 830         if (sound_num >= 256)
 831                 field_mask |= SND_LARGESOUND;
 832         if (speed4000 && speed4000 != 4000)
 833                 field_mask |= SND_SPEEDUSHORT4000;
 834
 835 // directed messages go only to the entity they are targeted on
 836         MSG_WriteByte (&sv.datagram, svc_sound);
 837         MSG_WriteByte (&sv.datagram, field_mask);
 838         if (field_mask & SND_VOLUME)
 839                 MSG_WriteByte (&sv.datagram, volume);
 840         if (field_mask & SND_ATTENUATION)
 841                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 842         if (field_mask & SND_SPEEDUSHORT4000)
 843                 MSG_WriteShort (&sv.datagram, speed4000);
 844         // Always write entnum 0 for the world entity
 845         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 846         if (field_mask & SND_LARGESOUND)
 847                 MSG_WriteShort (&sv.datagram, sound_num);
 848         else
 849                 MSG_WriteByte (&sv.datagram, sound_num);
 850         for (i = 0;i < 3;i++)
 851                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 852         SV_FlushBroadcastMessages();
 853 }
 854
 855 /*
 856 ==============================================================================
 857
 858 CLIENT SPAWNING
 859
 860 ==============================================================================
 861 */
 862
 863 /*
 864 ================
 865 SV_SendServerinfo
 866
 867 Sends the first message from the server to a connected client.
 868 This will be sent on the initial connection and upon each server load.
 869 ================
 870 */
 871 void SV_SendServerinfo (client_t *client)
 872 {
 873         int i;
 874         char message[128];
 875
 876         // we know that this client has a netconnection and thus is not a bot
 877
 878         // edicts get reallocated on level changes, so we need to update it here
 879         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 880
 881         // clear cached stuff that depends on the level
 882         client->weaponmodel[0] = 0;
 883         client->weaponmodelindex = 0;
 884
 885         // LordHavoc: clear entityframe tracking
 886         client->latestframenum = 0;
 887
 888         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 889         client->cmd.time = sv.time;
 890
 891         if (client->entitydatabase)
 892                 EntityFrame_FreeDatabase(client->entitydatabase);
 893         if (client->entitydatabase4)
 894                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 895         if (client->entitydatabase5)
 896                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 897
 898         memset(client->stats, 0, sizeof(client->stats));
 899         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 900
 901         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)
 902         {
 903                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 904                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 905                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 906                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 907                 else
 908                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 909         }
 910
 911         // reset csqc entity versions
 912         for (i = 0;i < prog->max_edicts;i++)
 913         {
 914                 client->csqcentityscope[i] = 0;
 915                 client->csqcentitysendflags[i] = 0xFFFFFF;
 916                 client->csqcentityglobalhistory[i] = 0;
 917         }
 918         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 919         {
 920                 client->csqcentityframehistory[i].num = 0;
 921                 client->csqcentityframehistory[i].framenum = -1;
 922         }
 923         client->csqcnumedicts = 0;
 924         client->csqcentityframehistory_next = 0;
 925
 926         SZ_Clear (&client->netconnection->message);
 927         MSG_WriteByte (&client->netconnection->message, svc_print);
 928         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
 929         MSG_WriteString (&client->netconnection->message,message);
 930
 931         SV_StopDemoRecording(client); // to split up demos into different files
 932         if(sv_autodemo_perclient.integer && client->netconnection)
 933         {
 934                 char demofile[MAX_OSPATH];
 935                 char ipaddress[MAX_QPATH];
 936                 size_t i;
 937
 938                 // start a new demo file
 939                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 940                 for(i = 0; ipaddress[i]; ++i)
 941                         if(!isalnum(ipaddress[i]))
 942                                 ipaddress[i] = '-';
 943                 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);
 944
 945                 SV_StartDemoRecording(client, demofile, -1);
 946         }
 947
 948         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 949         if (sv.csqc_progname[0])
 950         {
 951                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 952                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 953                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
 954                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 955                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
 956                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 957                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
 958
 959                 if(client->sv_demo_file != NULL)
 960                 {
 961                         int i;
 962                         static char buf[NET_MAXMESSAGE];
 963                         sizebuf_t sb;
 964
 965                         sb.data = (unsigned char *) buf;
 966                         sb.maxsize = sizeof(buf);
 967                         i = 0;
 968                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
 969                                 SV_WriteDemoMessage(client, &sb, false);
 970                 }
 971
 972                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 973                 if (PRVM_GetString(PRVM_serverglobalstring(SV_InitCmd)))
 974                 {
 975                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 976                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(PRVM_serverglobalstring(SV_InitCmd))));
 977                 }
 978         }
 979
 980         //if (sv_allowdownloads.integer)
 981         // always send the info that the server supports the protocol, even if downloads are forbidden
 982         // only because of that, the CSQC exception can work
 983         {
 984                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 985                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
 986         }
 987
 988         // send at this time so it's guaranteed to get executed at the right time
 989         {
 990                 client_t *save;
 991                 save = host_client;
 992                 host_client = client;
 993                 Curl_SendRequirements();
 994                 host_client = save;
 995         }
 996
 997         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
 998         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
 999         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
1000
1001         if (!coop.integer && deathmatch.integer)
1002                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
1003         else
1004                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
1005
1006         MSG_WriteString (&client->netconnection->message,PRVM_GetString(PRVM_serveredictstring(prog->edicts, message)));
1007
1008         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
1009                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
1010         MSG_WriteByte (&client->netconnection->message, 0);
1011
1012         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
1013                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
1014         MSG_WriteByte (&client->netconnection->message, 0);
1015
1016 // send music
1017         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
1018         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1019         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1020
1021 // set view
1022 // store this in clientcamera, too
1023         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
1024         MSG_WriteByte (&client->netconnection->message, svc_setview);
1025         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
1026
1027         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
1028         MSG_WriteByte (&client->netconnection->message, 1);
1029
1030         client->spawned = false;                // need prespawn, spawn, etc
1031         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
1032
1033         // clear movement info until client enters the new level properly
1034         memset(&client->cmd, 0, sizeof(client->cmd));
1035         client->movesequence = 0;
1036         client->movement_highestsequence_seen = 0;
1037         memset(&client->movement_count, 0, sizeof(client->movement_count));
1038 #ifdef NUM_PING_TIMES
1039         for (i = 0;i < NUM_PING_TIMES;i++)
1040                 client->ping_times[i] = 0;
1041         client->num_pings = 0;
1042 #endif
1043         client->ping = 0;
1044
1045         // allow the client some time to send his keepalives, even if map loading took ages
1046         client->netconnection->timeout = realtime + net_connecttimeout.value;
1047 }
1048
1049 /*
1050 ================
1051 SV_ConnectClient
1052
1053 Initializes a client_t for a new net connection.  This will only be called
1054 once for a player each game, not once for each level change.
1055 ================
1056 */
1057 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
1058 {
1059         client_t                *client;
1060         int                             i;
1061
1062         client = svs.clients + clientnum;
1063
1064 // set up the client_t
1065         if (sv.loadgame)
1066         {
1067                 float backupparms[NUM_SPAWN_PARMS];
1068                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
1069                 memset(client, 0, sizeof(*client));
1070                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
1071         }
1072         else
1073                 memset(client, 0, sizeof(*client));
1074         client->active = true;
1075         client->netconnection = netconnection;
1076
1077         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
1078
1079         if(client->netconnection && client->netconnection->crypto.authenticated)
1080         {
1081                 Con_Printf("%s connection to %s has been established: client is %s@%.*s, I am %.*s@%.*s\n",
1082                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
1083                                 client->netconnection->address,
1084                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
1085                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1086                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1087                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1088                                 );
1089         }
1090
1091         strlcpy(client->name, "unconnected", sizeof(client->name));
1092         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1093         client->spawned = false;
1094         client->edict = PRVM_EDICT_NUM(clientnum+1);
1095         if (client->netconnection)
1096                 client->netconnection->message.allowoverflow = true;            // we can catch it
1097         // prepare the unreliable message buffer
1098         client->unreliablemsg.data = client->unreliablemsg_data;
1099         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1100         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1101         client->rate = 1000000000;
1102         // no limits for local player
1103         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
1104                 client->rate = 1000000000;
1105         client->connecttime = realtime;
1106
1107         if (!sv.loadgame)
1108         {
1109                 // call the progs to get default spawn parms for the new client
1110                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1111                 PRVM_serverglobaledict(self) = 0;
1112                 PRVM_ExecuteProgram (PRVM_serverfunction(SetNewParms), "QC function SetNewParms is missing");
1113                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1114                         client->spawn_parms[i] = (&PRVM_serverglobalfloat(parm1))[i];
1115
1116                 // set up the entity for this client (including .colormap, .team, etc)
1117                 PRVM_ED_ClearEdict(client->edict);
1118         }
1119
1120         // don't call SendServerinfo for a fresh botclient because its fields have
1121         // not been set up by the qc yet
1122         if (client->netconnection)
1123                 SV_SendServerinfo (client);
1124         else
1125                 client->spawned = true;
1126 }
1127
1128
1129 /*
1130 ===============================================================================
1131
1132 FRAME UPDATES
1133
1134 ===============================================================================
1135 */
1136
1137 /*
1138 =============================================================================
1139
1140 The PVS must include a small area around the client to allow head bobbing
1141 or other small motion on the client side.  Otherwise, a bob might cause an
1142 entity that should be visible to not show up, especially when the bob
1143 crosses a waterline.
1144
1145 =============================================================================
1146 */
1147
1148 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1149 {
1150         int i;
1151         unsigned int sendflags;
1152         unsigned int version;
1153         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1154         unsigned int customizeentityforclient;
1155         unsigned int sendentity;
1156         float f;
1157         float *v;
1158         vec3_t cullmins, cullmaxs;
1159         dp_model_t *model;
1160
1161         // fast path for games that do not use legacy entity networking
1162         // note: still networks clients even if they are legacy
1163         sendentity = PRVM_serveredictfunction(ent, SendEntity);
1164         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1165                 return false;
1166
1167         // this 2 billion unit check is actually to detect NAN origins
1168         // (we really don't want to send those)
1169         if (!(VectorLength2(PRVM_serveredictvector(ent, origin)) < 2000000000.0*2000000000.0))
1170                 return false;
1171
1172         // EF_NODRAW prevents sending for any reason except for your own
1173         // client, so we must keep all clients in this superset
1174         effects = (unsigned)PRVM_serveredictfloat(ent, effects);
1175
1176         // we can omit invisible entities with no effects that are not clients
1177         // LordHavoc: this could kill tags attached to an invisible entity, I
1178         // just hope we never have to support that case
1179         i = (int)PRVM_serveredictfloat(ent, modelindex);
1180         modelindex = (i >= 1 && i < MAX_MODELS && PRVM_serveredictstring(ent, model) && *PRVM_GetString(PRVM_serveredictstring(ent, model)) && sv.models[i]) ? i : 0;
1181
1182         flags = 0;
1183         i = (int)(PRVM_serveredictfloat(ent, glow_size) * 0.25f);
1184         glowsize = (unsigned char)bound(0, i, 255);
1185         if (PRVM_serveredictfloat(ent, glow_trail))
1186                 flags |= RENDER_GLOWTRAIL;
1187         if (PRVM_serveredictedict(ent, viewmodelforclient))
1188                 flags |= RENDER_VIEWMODEL;
1189
1190         v = PRVM_serveredictvector(ent, color);
1191         f = v[0]*256;
1192         light[0] = (unsigned short)bound(0, f, 65535);
1193         f = v[1]*256;
1194         light[1] = (unsigned short)bound(0, f, 65535);
1195         f = v[2]*256;
1196         light[2] = (unsigned short)bound(0, f, 65535);
1197         f = PRVM_serveredictfloat(ent, light_lev);
1198         light[3] = (unsigned short)bound(0, f, 65535);
1199         lightstyle = (unsigned char)PRVM_serveredictfloat(ent, style);
1200         lightpflags = (unsigned char)PRVM_serveredictfloat(ent, pflags);
1201
1202         if (gamemode == GAME_TENEBRAE)
1203         {
1204                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1205                 if (effects & 16)
1206                 {
1207                         effects &= ~16;
1208                         lightpflags |= PFLAGS_FULLDYNAMIC;
1209                 }
1210                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1211                 if (effects & 32)
1212                 {
1213                         effects &= ~32;
1214                         light[0] = (int)(0.2*256);
1215                         light[1] = (int)(1.0*256);
1216                         light[2] = (int)(0.2*256);
1217                         light[3] = 200;
1218                         lightpflags |= PFLAGS_FULLDYNAMIC;
1219                 }
1220         }
1221
1222         specialvisibilityradius = 0;
1223         if (lightpflags & PFLAGS_FULLDYNAMIC)
1224                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1225         if (glowsize)
1226                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1227         if (flags & RENDER_GLOWTRAIL)
1228                 specialvisibilityradius = max(specialvisibilityradius, 100);
1229         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1230         {
1231                 if (effects & EF_BRIGHTFIELD)
1232                         specialvisibilityradius = max(specialvisibilityradius, 80);
1233                 if (effects & EF_MUZZLEFLASH)
1234                         specialvisibilityradius = max(specialvisibilityradius, 100);
1235                 if (effects & EF_BRIGHTLIGHT)
1236                         specialvisibilityradius = max(specialvisibilityradius, 400);
1237                 if (effects & EF_DIMLIGHT)
1238                         specialvisibilityradius = max(specialvisibilityradius, 200);
1239                 if (effects & EF_RED)
1240                         specialvisibilityradius = max(specialvisibilityradius, 200);
1241                 if (effects & EF_BLUE)
1242                         specialvisibilityradius = max(specialvisibilityradius, 200);
1243                 if (effects & EF_FLAME)
1244                         specialvisibilityradius = max(specialvisibilityradius, 250);
1245                 if (effects & EF_STARDUST)
1246                         specialvisibilityradius = max(specialvisibilityradius, 100);
1247         }
1248
1249         // early culling checks
1250         // (final culling is done by SV_MarkWriteEntityStateToClient)
1251         customizeentityforclient = PRVM_serveredictfunction(ent, customizeentityforclient);
1252         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1253                 return false;
1254
1255         *cs = defaultstate;
1256         cs->active = ACTIVE_NETWORK;
1257         cs->number = enumber;
1258         VectorCopy(PRVM_serveredictvector(ent, origin), cs->origin);
1259         VectorCopy(PRVM_serveredictvector(ent, angles), cs->angles);
1260         cs->flags = flags;
1261         cs->effects = effects;
1262         cs->colormap = (unsigned)PRVM_serveredictfloat(ent, colormap);
1263         cs->modelindex = modelindex;
1264         cs->skin = (unsigned)PRVM_serveredictfloat(ent, skin);
1265         cs->frame = (unsigned)PRVM_serveredictfloat(ent, frame);
1266         cs->viewmodelforclient = PRVM_serveredictedict(ent, viewmodelforclient);
1267         cs->exteriormodelforclient = PRVM_serveredictedict(ent, exteriormodeltoclient);
1268         cs->nodrawtoclient = PRVM_serveredictedict(ent, nodrawtoclient);
1269         cs->drawonlytoclient = PRVM_serveredictedict(ent, drawonlytoclient);
1270         cs->customizeentityforclient = customizeentityforclient;
1271         cs->tagentity = PRVM_serveredictedict(ent, tag_entity);
1272         cs->tagindex = (unsigned char)PRVM_serveredictfloat(ent, tag_index);
1273         cs->glowsize = glowsize;
1274         cs->traileffectnum = PRVM_serveredictfloat(ent, traileffectnum);
1275
1276         // don't need to init cs->colormod because the defaultstate did that for us
1277         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1278         v = PRVM_serveredictvector(ent, colormod);
1279         if (VectorLength2(v))
1280         {
1281                 i = (int)(v[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1282                 i = (int)(v[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1283                 i = (int)(v[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1284         }
1285
1286         // don't need to init cs->glowmod because the defaultstate did that for us
1287         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1288         v = PRVM_serveredictvector(ent, glowmod);
1289         if (VectorLength2(v))
1290         {
1291                 i = (int)(v[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1292                 i = (int)(v[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1293                 i = (int)(v[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1294         }
1295
1296         cs->modelindex = modelindex;
1297
1298         cs->alpha = 255;
1299         f = (PRVM_serveredictfloat(ent, alpha) * 255.0f);
1300         if (f)
1301         {
1302                 i = (int)f;
1303                 cs->alpha = (unsigned char)bound(0, i, 255);
1304         }
1305         // halflife
1306         f = (PRVM_serveredictfloat(ent, renderamt));
1307         if (f)
1308         {
1309                 i = (int)f;
1310                 cs->alpha = (unsigned char)bound(0, i, 255);
1311         }
1312
1313         cs->scale = 16;
1314         f = (PRVM_serveredictfloat(ent, scale) * 16.0f);
1315         if (f)
1316         {
1317                 i = (int)f;
1318                 cs->scale = (unsigned char)bound(0, i, 255);
1319         }
1320
1321         cs->glowcolor = 254;
1322         f = PRVM_serveredictfloat(ent, glow_color);
1323         if (f)
1324                 cs->glowcolor = (int)f;
1325
1326         if (PRVM_serveredictfloat(ent, fullbright))
1327                 cs->effects |= EF_FULLBRIGHT;
1328
1329         f = PRVM_serveredictfloat(ent, modelflags);
1330         if (f)
1331                 cs->effects |= ((unsigned int)f & 0xff) << 24;
1332
1333         if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
1334                 cs->flags |= RENDER_STEP;
1335         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)
1336                 cs->flags |= RENDER_LOWPRECISION;
1337         if (PRVM_serveredictfloat(ent, colormap) >= 1024)
1338                 cs->flags |= RENDER_COLORMAPPED;
1339         if (cs->viewmodelforclient)
1340                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1341
1342         if (PRVM_serveredictfloat(ent, sendcomplexanimation))
1343         {
1344                 cs->flags |= RENDER_COMPLEXANIMATION;
1345                 if (PRVM_serveredictfloat(ent, skeletonindex) >= 1)
1346                         cs->skeletonobject = ent->priv.server->skeleton;
1347                 cs->framegroupblend[0].frame = PRVM_serveredictfloat(ent, frame);
1348                 cs->framegroupblend[1].frame = PRVM_serveredictfloat(ent, frame2);
1349                 cs->framegroupblend[2].frame = PRVM_serveredictfloat(ent, frame3);
1350                 cs->framegroupblend[3].frame = PRVM_serveredictfloat(ent, frame4);
1351                 cs->framegroupblend[0].start = PRVM_serveredictfloat(ent, frame1time);
1352                 cs->framegroupblend[1].start = PRVM_serveredictfloat(ent, frame2time);
1353                 cs->framegroupblend[2].start = PRVM_serveredictfloat(ent, frame3time);
1354                 cs->framegroupblend[3].start = PRVM_serveredictfloat(ent, frame4time);
1355                 cs->framegroupblend[1].lerp = PRVM_serveredictfloat(ent, lerpfrac);
1356                 cs->framegroupblend[2].lerp = PRVM_serveredictfloat(ent, lerpfrac3);
1357                 cs->framegroupblend[3].lerp = PRVM_serveredictfloat(ent, lerpfrac4);
1358                 cs->framegroupblend[0].lerp = 1.0f - cs->framegroupblend[1].lerp - cs->framegroupblend[2].lerp - cs->framegroupblend[3].lerp;
1359         }
1360
1361         cs->light[0] = light[0];
1362         cs->light[1] = light[1];
1363         cs->light[2] = light[2];
1364         cs->light[3] = light[3];
1365         cs->lightstyle = lightstyle;
1366         cs->lightpflags = lightpflags;
1367
1368         cs->specialvisibilityradius = specialvisibilityradius;
1369
1370         // calculate the visible box of this entity (don't use the physics box
1371         // as that is often smaller than a model, and would not count
1372         // specialvisibilityradius)
1373         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1374         {
1375                 float scale = cs->scale * (1.0f / 16.0f);
1376                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1377                 {
1378                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1379                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1380                 }
1381                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1382                 {
1383                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1384                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1385                 }
1386                 else
1387                 {
1388                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1389                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1390                 }
1391         }
1392         else
1393         {
1394                 // if there is no model (or it could not be loaded), use the physics box
1395                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, mins), cullmins);
1396                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, maxs), cullmaxs);
1397         }
1398         if (specialvisibilityradius)
1399         {
1400                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1401                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1402                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1403                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1404                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1405                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1406         }
1407
1408         // calculate center of bbox for network prioritization purposes
1409         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1410
1411         // if culling box has moved, update pvs cluster links
1412         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1413         {
1414                 VectorCopy(cullmins, ent->priv.server->cullmins);
1415                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1416                 // a value of -1 for pvs_numclusters indicates that the links are not
1417                 // cached, and should be re-tested each time, this is the case if the
1418                 // culling box touches too many pvs clusters to store, or if the world
1419                 // model does not support FindBoxClusters
1420                 ent->priv.server->pvs_numclusters = -1;
1421                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1422                 {
1423                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1424                         if (i <= MAX_ENTITYCLUSTERS)
1425                                 ent->priv.server->pvs_numclusters = i;
1426                 }
1427         }
1428
1429         // we need to do some csqc entity upkeep here
1430         // get self.SendFlags and clear them
1431         // (to let the QC know that they've been read)
1432         if (sendentity)
1433         {
1434                 sendflags = (unsigned int)PRVM_serveredictfloat(ent, SendFlags);
1435                 PRVM_serveredictfloat(ent, SendFlags) = 0;
1436                 // legacy self.Version system
1437                 if ((version = (unsigned int)PRVM_serveredictfloat(ent, Version)))
1438                 {
1439                         if (sv.csqcentityversion[enumber] != version)
1440                                 sendflags = 0xFFFFFF;
1441                         sv.csqcentityversion[enumber] = version;
1442                 }
1443                 // move sendflags into the per-client sendflags
1444                 if (sendflags)
1445                         for (i = 0;i < svs.maxclients;i++)
1446                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1447                 // mark it as inactive for non-csqc networking
1448                 cs->active = ACTIVE_SHARED;
1449         }
1450
1451         return true;
1452 }
1453
1454 void SV_PrepareEntitiesForSending(void)
1455 {
1456         int e;
1457         prvm_edict_t *ent;
1458         // send all entities that touch the pvs
1459         sv.numsendentities = 0;
1460         sv.sendentitiesindex[0] = NULL;
1461         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1462         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1463         {
1464                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1465                 {
1466                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1467                         sv.numsendentities++;
1468                 }
1469         }
1470 }
1471
1472 #define MAX_LINEOFSIGHTTRACES 64
1473
1474 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1475 {
1476         float pitchsign;
1477         float alpha;
1478         float starttransformed[3], endtransformed[3];
1479         int blocked = 0;
1480         int traceindex;
1481         int originalnumtouchedicts;
1482         int numtouchedicts = 0;
1483         int touchindex;
1484         matrix4x4_t matrix, imatrix;
1485         dp_model_t *model;
1486         prvm_edict_t *touch;
1487         static prvm_edict_t *touchedicts[MAX_EDICTS];
1488         vec3_t boxmins, boxmaxs;
1489         vec3_t clipboxmins, clipboxmaxs;
1490         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1491
1492         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1493
1494         // expand the box a little
1495         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1496         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1497         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1498         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1499         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1500         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1501
1502         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1503         for (traceindex = 1;traceindex < numtraces;traceindex++)
1504                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1505
1506         // calculate sweep box for the entire swarm of traces
1507         VectorCopy(eye, clipboxmins);
1508         VectorCopy(eye, clipboxmaxs);
1509         for (traceindex = 0;traceindex < numtraces;traceindex++)
1510         {
1511                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1512                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1513                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1514                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1515                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1516                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1517         }
1518
1519         // get the list of entities in the sweep box
1520         if (sv_cullentities_trace_entityocclusion.integer)
1521                 numtouchedicts = SV_EntitiesInBox(clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1522         if (numtouchedicts > MAX_EDICTS)
1523         {
1524                 // this never happens
1525                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1526                 numtouchedicts = MAX_EDICTS;
1527         }
1528         // iterate the entities found in the sweep box and filter them
1529         originalnumtouchedicts = numtouchedicts;
1530         numtouchedicts = 0;
1531         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1532         {
1533                 touch = touchedicts[touchindex];
1534                 if (PRVM_serveredictfloat(touch, solid) != SOLID_BSP)
1535                         continue;
1536                 model = SV_GetModelFromEdict(touch);
1537                 if (!model || !model->brush.TraceLineOfSight)
1538                         continue;
1539                 // skip obviously transparent entities
1540                 alpha = PRVM_serveredictfloat(touch, alpha);
1541                 if (alpha && alpha < 1)
1542                         continue;
1543                 if ((int)PRVM_serveredictfloat(touch, effects) & EF_ADDITIVE)
1544                         continue;
1545                 touchedicts[numtouchedicts++] = touch;
1546         }
1547
1548         // now that we have a filtered list of "interesting" entities, fire each
1549         // ray against all of them, this gives us an early-out case when something
1550         // is visible (which it often is)
1551
1552         for (traceindex = 0;traceindex < numtraces;traceindex++)
1553         {
1554                 // check world occlusion
1555                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1556                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1557                                 continue;
1558                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1559                 {
1560                         touch = touchedicts[touchindex];
1561                         model = SV_GetModelFromEdict(touch);
1562                         if(model && model->brush.TraceLineOfSight)
1563                         {
1564                                 // get the entity matrix
1565                                 pitchsign = SV_GetPitchSign(touch);
1566                                 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);
1567                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1568                                 // see if the ray hits this entity
1569                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1570                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1571                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1572                                 {
1573                                         blocked++;
1574                                         break;
1575                                 }
1576                         }
1577                 }
1578                 // check if the ray was blocked
1579                 if (touchindex < numtouchedicts)
1580                         continue;
1581                 // return if the ray was not blocked
1582                 return true;
1583         }
1584
1585         // no rays survived
1586         return false;
1587 }
1588
1589 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1590 {
1591         int isbmodel;
1592         dp_model_t *model;
1593         prvm_edict_t *ed;
1594         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1595                 return;
1596         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1597         sv.writeentitiestoclient_stats_totalentities++;
1598
1599         if (s->customizeentityforclient)
1600         {
1601                 PRVM_serverglobaledict(self) = s->number;
1602                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1603                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1604                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1605                         return;
1606         }
1607
1608         // never reject player
1609         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1610         {
1611                 // check various rejection conditions
1612                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1613                         return;
1614                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1615                         return;
1616                 if (s->effects & EF_NODRAW)
1617                         return;
1618                 // LordHavoc: only send entities with a model or important effects
1619                 if (!s->modelindex && s->specialvisibilityradius == 0)
1620                         return;
1621
1622                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1623                 // viewmodels don't have visibility checking
1624                 if (s->viewmodelforclient)
1625                 {
1626                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1627                                 return;
1628                 }
1629                 else if (s->tagentity)
1630                 {
1631                         // tag attached entities simply check their parent
1632                         if (!sv.sendentitiesindex[s->tagentity])
1633                                 return;
1634                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1635                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1636                                 return;
1637                 }
1638                 // always send world submodels in newer protocols because they don't
1639                 // generate much traffic (in old protocols they hog bandwidth)
1640                 // but only if sv_cullentities_nevercullbmodels is off
1641                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1642                 {
1643                         // entity has survived every check so far, check if visible
1644                         ed = PRVM_EDICT_NUM(s->number);
1645
1646                         // if not touching a visible leaf
1647                         if (sv_cullentities_pvs.integer && !r_novis.integer && !r_trippy.integer && sv.writeentitiestoclient_pvsbytes)
1648                         {
1649                                 if (ed->priv.server->pvs_numclusters < 0)
1650                                 {
1651                                         // entity too big for clusters list
1652                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1653                                         {
1654                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1655                                                 return;
1656                                         }
1657                                 }
1658                                 else
1659                                 {
1660                                         int i;
1661                                         // check cached clusters list
1662                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1663                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1664                                                         break;
1665                                         if (i == ed->priv.server->pvs_numclusters)
1666                                         {
1667                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1668                                                 return;
1669                                         }
1670                                 }
1671                         }
1672
1673                         // or not seen by random tracelines
1674                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight && !r_trippy.integer)
1675                         {
1676                                 int samples =
1677                                         s->number <= svs.maxclients
1678                                                 ? sv_cullentities_trace_samples_players.integer
1679                                                 :
1680                                         s->specialvisibilityradius
1681                                                 ? sv_cullentities_trace_samples_extra.integer
1682                                                 : sv_cullentities_trace_samples.integer;
1683                                 float enlarge = sv_cullentities_trace_enlarge.value;
1684
1685                                 if(samples > 0)
1686                                 {
1687                                         int eyeindex;
1688                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1689                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1690                                                         break;
1691                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1692                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1693                                                         realtime + (
1694                                                                 s->number <= svs.maxclients
1695                                                                         ? sv_cullentities_trace_delay_players.value
1696                                                                         : sv_cullentities_trace_delay.value
1697                                                         );
1698                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1699                                         {
1700                                                 sv.writeentitiestoclient_stats_culled_trace++;
1701                                                 return;
1702                                         }
1703                                 }
1704                         }
1705                 }
1706         }
1707
1708         // this just marks it for sending
1709         // FIXME: it would be more efficient to send here, but the entity
1710         // compressor isn't that flexible
1711         sv.writeentitiestoclient_stats_visibleentities++;
1712         sv.sententities[s->number] = sv.sententitiesmark;
1713 }
1714
1715 #if MAX_LEVELNETWORKEYES > 0
1716 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1717 void SV_AddCameraEyes(void)
1718 {
1719         int e, i, j, k;
1720         prvm_edict_t *ed;
1721         static int cameras[MAX_LEVELNETWORKEYES];
1722         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1723         static int eye_levels[MAX_CLIENTNETWORKEYES];
1724         int n_cameras = 0;
1725         vec3_t mi, ma;
1726
1727         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1728                 eye_levels[i] = 0;
1729
1730         // check line of sight to portal entities and add them to PVS
1731         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1732         {
1733                 if (!ed->priv.server->free)
1734                 {
1735                         if(PRVM_serveredictfunction(ed, camera_transform))
1736                         {
1737                                 PRVM_serverglobaledict(self) = e;
1738                                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1739                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_serverglobalvector(trace_endpos));
1740                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1741                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1742                                 PRVM_ExecuteProgram(PRVM_serveredictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1743                                 if(!VectorCompare(PRVM_serverglobalvector(trace_endpos), sv.writeentitiestoclient_eyes[0]))
1744                                 {
1745                                         VectorCopy(PRVM_serverglobalvector(trace_endpos), camera_origins[n_cameras]);
1746                                         cameras[n_cameras] = e;
1747                                         ++n_cameras;
1748                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1749                                                 break;
1750                                 }
1751                         }
1752                 }
1753         }
1754
1755         if(!n_cameras)
1756                 return;
1757
1758         // i is loop counter, is reset to 0 when an eye got added
1759         // j is camera index to check
1760         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1761         {
1762                 if(!cameras[j])
1763                         continue;
1764                 ed = PRVM_EDICT_NUM(cameras[j]);
1765                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, mins), mi);
1766                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, maxs), ma);
1767                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1768                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1769                 {
1770                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1771                         {
1772                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1773                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1774                                 // 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);
1775                                 sv.writeentitiestoclient_numeyes++;
1776                                 cameras[j] = 0;
1777                                 i = 0;
1778                                 break;
1779                         }
1780                 }
1781         }
1782 }
1783 #else
1784 void SV_AddCameraEyes(void)
1785 {
1786 }
1787 #endif
1788
1789 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1790 {
1791         qboolean need_empty = false;
1792         int i, numsendstates, numcsqcsendstates;
1793         entity_state_t *s;
1794         prvm_edict_t *camera;
1795         qboolean success;
1796         vec3_t eye;
1797
1798         // if there isn't enough space to accomplish anything, skip it
1799         if (msg->cursize + 25 > maxsize)
1800                 return;
1801
1802         sv.writeentitiestoclient_msg = msg;
1803         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1804
1805         sv.writeentitiestoclient_stats_culled_pvs = 0;
1806         sv.writeentitiestoclient_stats_culled_trace = 0;
1807         sv.writeentitiestoclient_stats_visibleentities = 0;
1808         sv.writeentitiestoclient_stats_totalentities = 0;
1809         sv.writeentitiestoclient_numeyes = 0;
1810
1811         // get eye location
1812         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1813         camera = PRVM_EDICT_NUM( client->clientcamera );
1814         VectorAdd(PRVM_serveredictvector(camera, origin), PRVM_serveredictvector(clent, view_ofs), eye);
1815         sv.writeentitiestoclient_pvsbytes = 0;
1816         // get the PVS values for the eye location, later FatPVS calls will merge
1817         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1818                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1819
1820         // add the eye to a list for SV_CanSeeBox tests
1821         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1822         sv.writeentitiestoclient_numeyes++;
1823
1824         // calculate predicted eye origin for SV_CanSeeBox tests
1825         if (sv_cullentities_trace_prediction.integer)
1826         {
1827                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1828                 vec3_t predeye;
1829                 VectorMA(eye, predtime, PRVM_serveredictvector(camera, velocity), predeye);
1830                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1831                 {
1832                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1833                         sv.writeentitiestoclient_numeyes++;
1834                 }
1835                 //if (!sv.writeentitiestoclient_useprediction)
1836                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1837         }
1838
1839         SV_AddCameraEyes();
1840
1841         // build PVS from the new eyes
1842         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1843                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1844                         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);
1845
1846         sv.sententitiesmark++;
1847
1848         for (i = 0;i < sv.numsendentities;i++)
1849                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1850
1851         numsendstates = 0;
1852         numcsqcsendstates = 0;
1853         for (i = 0;i < sv.numsendentities;i++)
1854         {
1855                 s = &sv.sendentities[i];
1856                 if (sv.sententities[s->number] == sv.sententitiesmark)
1857                 {
1858                         if(s->active == ACTIVE_NETWORK)
1859                         {
1860                                 if (s->exteriormodelforclient)
1861                                 {
1862                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1863                                                 s->flags |= RENDER_EXTERIORMODEL;
1864                                         else
1865                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1866                                 }
1867                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1868                         }
1869                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1870                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1871                         else
1872                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1873                 }
1874         }
1875
1876         if (sv_cullentities_stats.integer)
1877                 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);
1878
1879         if(client->entitydatabase5)
1880                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1881         else
1882                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1883
1884         if(client->num_skippedentityframes >= 10)
1885                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1886
1887         if (client->entitydatabase5)
1888                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1889         else if (client->entitydatabase4)
1890         {
1891                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1892                 Protocol_WriteStatsReliable();
1893         }
1894         else if (client->entitydatabase)
1895         {
1896                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1897                 Protocol_WriteStatsReliable();
1898         }
1899         else
1900         {
1901                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1902                 Protocol_WriteStatsReliable();
1903         }
1904
1905         if(success)
1906                 client->num_skippedentityframes = 0;
1907         else
1908                 ++client->num_skippedentityframes;
1909 }
1910
1911 /*
1912 =============
1913 SV_CleanupEnts
1914
1915 =============
1916 */
1917 static void SV_CleanupEnts (void)
1918 {
1919         int             e;
1920         prvm_edict_t    *ent;
1921
1922         ent = PRVM_NEXT_EDICT(prog->edicts);
1923         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1924                 PRVM_serveredictfloat(ent, effects) = (int)PRVM_serveredictfloat(ent, effects) & ~EF_MUZZLEFLASH;
1925 }
1926
1927 /*
1928 ==================
1929 SV_WriteClientdataToMessage
1930
1931 ==================
1932 */
1933 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1934 {
1935         int             bits;
1936         int             i;
1937         prvm_edict_t    *other;
1938         int             items;
1939         vec3_t  punchvector;
1940         int             viewzoom;
1941         const char *s;
1942         float   *statsf = (float *)stats;
1943         float gravity;
1944
1945 //
1946 // send a damage message
1947 //
1948         if (PRVM_serveredictfloat(ent, dmg_take) || PRVM_serveredictfloat(ent, dmg_save))
1949         {
1950                 other = PRVM_PROG_TO_EDICT(PRVM_serveredictedict(ent, dmg_inflictor));
1951                 MSG_WriteByte (msg, svc_damage);
1952                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_save));
1953                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_take));
1954                 for (i=0 ; i<3 ; i++)
1955                         MSG_WriteCoord (msg, PRVM_serveredictvector(other, origin)[i] + 0.5*(PRVM_serveredictvector(other, mins)[i] + PRVM_serveredictvector(other, maxs)[i]), sv.protocol);
1956
1957                 PRVM_serveredictfloat(ent, dmg_take) = 0;
1958                 PRVM_serveredictfloat(ent, dmg_save) = 0;
1959         }
1960
1961 //
1962 // send the current viewpos offset from the view entity
1963 //
1964         SV_SetIdealPitch ();            // how much to look up / down ideally
1965
1966 // a fixangle might get lost in a dropped packet.  Oh well.
1967         if(PRVM_serveredictfloat(ent, fixangle))
1968         {
1969                 // angle fixing was requested by global thinking code...
1970                 // so store the current angles for later use
1971                 memcpy(host_client->fixangle_angles, PRVM_serveredictvector(ent, angles), sizeof(host_client->fixangle_angles));
1972                 host_client->fixangle_angles_set = TRUE;
1973
1974                 // and clear fixangle for the next frame
1975                 PRVM_serveredictfloat(ent, fixangle) = 0;
1976         }
1977
1978         if (host_client->fixangle_angles_set)
1979         {
1980                 MSG_WriteByte (msg, svc_setangle);
1981                 for (i=0 ; i < 3 ; i++)
1982                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1983                 host_client->fixangle_angles_set = FALSE;
1984         }
1985
1986         // stuff the sigil bits into the high bits of items for sbar, or else
1987         // mix in items2
1988         // LordHavoc: detecting items2 turned out to be tricky, check if the field
1989         // was forcefully declared, we want to override serverflags if it was
1990         // declared by the qc intentionally, but not if we added it in the engine.
1991         if (prog->fieldoffsets.items2 < (int)(prog->numfielddefs - SV_REQGLOBALS))
1992                 items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serveredictfloat(ent, items2) << 23);
1993         else
1994                 items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serverglobalfloat(serverflags) << 28);
1995
1996         VectorCopy(PRVM_serveredictvector(ent, punchvector), punchvector);
1997
1998         // cache weapon model name and index in client struct to save time
1999         // (this search can be almost 1% of cpu time!)
2000         s = PRVM_GetString(PRVM_serveredictstring(ent, weaponmodel));
2001         if (strcmp(s, client->weaponmodel))
2002         {
2003                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
2004                 client->weaponmodelindex = SV_ModelIndex(s, 1);
2005         }
2006
2007         viewzoom = (int)(PRVM_serveredictfloat(ent, viewzoom) * 255.0f);
2008         if (viewzoom == 0)
2009                 viewzoom = 255;
2010
2011         bits = 0;
2012
2013         if ((int)PRVM_serveredictfloat(ent, flags) & FL_ONGROUND)
2014                 bits |= SU_ONGROUND;
2015         if (PRVM_serveredictfloat(ent, waterlevel) >= 2)
2016                 bits |= SU_INWATER;
2017         if (PRVM_serveredictfloat(ent, idealpitch))
2018                 bits |= SU_IDEALPITCH;
2019
2020         for (i=0 ; i<3 ; i++)
2021         {
2022                 if (PRVM_serveredictvector(ent, punchangle)[i])
2023                         bits |= (SU_PUNCH1<<i);
2024                 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)
2025                         if (punchvector[i])
2026                                 bits |= (SU_PUNCHVEC1<<i);
2027                 if (PRVM_serveredictvector(ent, velocity)[i])
2028                         bits |= (SU_VELOCITY1<<i);
2029         }
2030
2031         gravity = PRVM_serveredictfloat(ent, gravity);if (!gravity) gravity = 1.0f;
2032
2033         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
2034         stats[STAT_VIEWHEIGHT] = (int)PRVM_serveredictvector(ent, view_ofs)[2];
2035         stats[STAT_ITEMS] = items;
2036         stats[STAT_WEAPONFRAME] = (int)PRVM_serveredictfloat(ent, weaponframe);
2037         stats[STAT_ARMOR] = (int)PRVM_serveredictfloat(ent, armorvalue);
2038         stats[STAT_WEAPON] = client->weaponmodelindex;
2039         stats[STAT_HEALTH] = (int)PRVM_serveredictfloat(ent, health);
2040         stats[STAT_AMMO] = (int)PRVM_serveredictfloat(ent, currentammo);
2041         stats[STAT_SHELLS] = (int)PRVM_serveredictfloat(ent, ammo_shells);
2042         stats[STAT_NAILS] = (int)PRVM_serveredictfloat(ent, ammo_nails);
2043         stats[STAT_ROCKETS] = (int)PRVM_serveredictfloat(ent, ammo_rockets);
2044         stats[STAT_CELLS] = (int)PRVM_serveredictfloat(ent, ammo_cells);
2045         stats[STAT_ACTIVEWEAPON] = (int)PRVM_serveredictfloat(ent, weapon);
2046         stats[STAT_VIEWZOOM] = viewzoom;
2047         stats[STAT_TOTALSECRETS] = (int)PRVM_serverglobalfloat(total_secrets);
2048         stats[STAT_TOTALMONSTERS] = (int)PRVM_serverglobalfloat(total_monsters);
2049         // the QC bumps these itself by sending svc_'s, so we have to keep them
2050         // zero or they'll be corrected by the engine
2051         //stats[STAT_SECRETS] = PRVM_serverglobalfloat(found_secrets);
2052         //stats[STAT_MONSTERS] = PRVM_serverglobalfloat(killed_monsters);
2053
2054         // movement settings for prediction
2055         // note: these are not sent in protocols with lower MAX_CL_STATS limits
2056         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
2057                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
2058                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
2059                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
2060         ;
2061         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
2062         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
2063         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
2064         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
2065         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
2066         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
2067         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
2068         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
2069         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
2070         statsf[STAT_MOVEVARS_ENTGRAVITY] = gravity;
2071         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
2072         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
2073         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
2074         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
2075         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
2076         statsf[STAT_MOVEVARS_AIRACCEL_QW_STRETCHFACTOR] = sv_airaccel_qw_stretchfactor.value;
2077         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
2078         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
2079         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
2080         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
2081         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
2082         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
2083         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
2084         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
2085         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
2086         statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
2087         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
2088         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
2089         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2090         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2091         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2092         statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2093         statsf[STAT_FRAGLIMIT] = fraglimit.value;
2094         statsf[STAT_TIMELIMIT] = timelimit.value;
2095
2096         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)
2097         {
2098                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2099                 bits |= SU_ITEMS;
2100                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2101                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2102                 bits |= SU_WEAPON;
2103                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2104                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2105                         if (viewzoom != 255)
2106                                 bits |= SU_VIEWZOOM;
2107         }
2108
2109         if (bits >= 65536)
2110                 bits |= SU_EXTEND1;
2111         if (bits >= 16777216)
2112                 bits |= SU_EXTEND2;
2113
2114         // send the data
2115         MSG_WriteByte (msg, svc_clientdata);
2116         MSG_WriteShort (msg, bits);
2117         if (bits & SU_EXTEND1)
2118                 MSG_WriteByte(msg, bits >> 16);
2119         if (bits & SU_EXTEND2)
2120                 MSG_WriteByte(msg, bits >> 24);
2121
2122         if (bits & SU_VIEWHEIGHT)
2123                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2124
2125         if (bits & SU_IDEALPITCH)
2126                 MSG_WriteChar (msg, (int)PRVM_serveredictfloat(ent, idealpitch));
2127
2128         for (i=0 ; i<3 ; i++)
2129         {
2130                 if (bits & (SU_PUNCH1<<i))
2131                 {
2132                         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)
2133                                 MSG_WriteChar(msg, (int)PRVM_serveredictvector(ent, punchangle)[i]);
2134                         else
2135                                 MSG_WriteAngle16i(msg, PRVM_serveredictvector(ent, punchangle)[i]);
2136                 }
2137                 if (bits & (SU_PUNCHVEC1<<i))
2138                 {
2139                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2140                                 MSG_WriteCoord16i(msg, punchvector[i]);
2141                         else
2142                                 MSG_WriteCoord32f(msg, punchvector[i]);
2143                 }
2144                 if (bits & (SU_VELOCITY1<<i))
2145                 {
2146                         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)
2147                                 MSG_WriteChar(msg, (int)(PRVM_serveredictvector(ent, velocity)[i] * (1.0f / 16.0f)));
2148                         else
2149                                 MSG_WriteCoord32f(msg, PRVM_serveredictvector(ent, velocity)[i]);
2150                 }
2151         }
2152
2153         if (bits & SU_ITEMS)
2154                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2155
2156         if (sv.protocol == PROTOCOL_DARKPLACES5)
2157         {
2158                 if (bits & SU_WEAPONFRAME)
2159                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2160                 if (bits & SU_ARMOR)
2161                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2162                 if (bits & SU_WEAPON)
2163                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2164                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2165                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2166                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2167                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2168                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2169                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2170                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2171                 if (bits & SU_VIEWZOOM)
2172                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2173         }
2174         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)
2175         {
2176                 if (bits & SU_WEAPONFRAME)
2177                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2178                 if (bits & SU_ARMOR)
2179                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2180                 if (bits & SU_WEAPON)
2181                 {
2182                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2183                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2184                         else
2185                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2186                 }
2187                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2188                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2189                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2190                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2191                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2192                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2193                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
2194                 {
2195                         for (i = 0;i < 32;i++)
2196                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2197                                         break;
2198                         MSG_WriteByte (msg, i);
2199                 }
2200                 else
2201                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2202                 if (bits & SU_VIEWZOOM)
2203                 {
2204                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2205                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2206                         else
2207                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2208                 }
2209         }
2210 }
2211
2212 void SV_FlushBroadcastMessages(void)
2213 {
2214         int i;
2215         client_t *client;
2216         if (sv.datagram.cursize <= 0)
2217                 return;
2218         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2219         {
2220                 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])))
2221                         continue;
2222                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2223                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2224         }
2225         SZ_Clear(&sv.datagram);
2226 }
2227
2228 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2229 {
2230         // scan the splitpoints to find out how many we can fit in
2231         int numsegments, j, split;
2232         if (!client->unreliablemsg_splitpoints)
2233                 return;
2234         // always accept the first one if it's within 1024 bytes, this ensures
2235         // that very big datagrams which are over the rate limit still get
2236         // through, just to keep it working
2237         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2238                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2239                         break;
2240         // the first segment gets an exemption from the rate limiting, otherwise
2241         // it could get dropped consistently due to a low rate limit
2242         if (numsegments == 1)
2243                 maxsize = maxsize2;
2244         // some will fit, so add the ones that will fit
2245         split = client->unreliablemsg_splitpoint[numsegments-1];
2246         // note this discards ones that were accepted by the segments scan but
2247         // can not fit, such as a really huge first one that will never ever
2248         // fit in a packet...
2249         if (msg->cursize + split <= maxsize)
2250                 SZ_Write(msg, client->unreliablemsg.data, split);
2251         // remove the part we sent, keeping any remaining data
2252         client->unreliablemsg.cursize -= split;
2253         if (client->unreliablemsg.cursize > 0)
2254                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2255         // adjust remaining splitpoints
2256         client->unreliablemsg_splitpoints -= numsegments;
2257         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2258                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2259 }
2260
2261 /*
2262 =======================
2263 SV_SendClientDatagram
2264 =======================
2265 */
2266 static void SV_SendClientDatagram (client_t *client)
2267 {
2268         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2269         sizebuf_t msg;
2270         int stats[MAX_CL_STATS];
2271         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2272
2273         // obey rate limit by limiting packet frequency if the packet size
2274         // limiting fails
2275         // (usually this is caused by reliable messages)
2276         if (!NetConn_CanSend(client->netconnection))
2277                 return;
2278
2279         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2280         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2281         if (sv_maxrate.integer != maxrate)
2282                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2283
2284         // clientrate determines the 'cleartime' of a packet
2285         // (how long to wait before sending another, based on this packet's size)
2286         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2287
2288         switch (sv.protocol)
2289         {
2290         case PROTOCOL_QUAKE:
2291         case PROTOCOL_QUAKEDP:
2292         case PROTOCOL_NEHAHRAMOVIE:
2293         case PROTOCOL_NEHAHRABJP:
2294         case PROTOCOL_NEHAHRABJP2:
2295         case PROTOCOL_NEHAHRABJP3:
2296         case PROTOCOL_QUAKEWORLD:
2297                 // no packet size limit support on Quake protocols because it just
2298                 // causes missing entities/effects
2299                 // packets are simply sent less often to obey the rate limit
2300                 maxsize = 1024;
2301                 maxsize2 = 1024;
2302                 break;
2303         case PROTOCOL_DARKPLACES1:
2304         case PROTOCOL_DARKPLACES2:
2305         case PROTOCOL_DARKPLACES3:
2306         case PROTOCOL_DARKPLACES4:
2307                 // no packet size limit support on DP1-4 protocols because they kick
2308                 // the client off if they overflow, and miss effects
2309                 // packets are simply sent less often to obey the rate limit
2310                 maxsize = sizeof(sv_sendclientdatagram_buf);
2311                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2312                 break;
2313         default:
2314                 // DP5 and later protocols support packet size limiting which is a
2315                 // better method than limiting packet frequency as QW does
2316                 //
2317                 // at very low rates (or very small sys_ticrate) the packet size is
2318                 // not reduced below 128, but packets may be sent less often
2319                 maxsize = (int)(clientrate * sys_ticrate.value);
2320                 maxsize = bound(128, maxsize, 1400);
2321                 maxsize2 = 1400;
2322                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2323                 // mods that use csqc (they are likely to use less bandwidth anyway)
2324                 if (sv.csqc_progsize > 0)
2325                         maxsize = maxsize2;
2326                 break;
2327         }
2328
2329         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2330         {
2331                 // for good singleplayer, send huge packets
2332                 maxsize = sizeof(sv_sendclientdatagram_buf);
2333                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2334                 // never limit frequency in singleplayer
2335                 clientrate = 1000000000;
2336         }
2337
2338         // while downloading, limit entity updates to half the packet
2339         // (any leftover space will be used for downloading)
2340         if (host_client->download_file)
2341                 maxsize /= 2;
2342
2343         msg.data = sv_sendclientdatagram_buf;
2344         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2345         msg.cursize = 0;
2346         msg.allowoverflow = false;
2347
2348         if (host_client->spawned)
2349         {
2350                 // the player is in the game
2351                 MSG_WriteByte (&msg, svc_time);
2352                 MSG_WriteFloat (&msg, sv.time);
2353
2354                 // add the client specific data to the datagram
2355                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2356                 // now update the stats[] array using any registered custom fields
2357                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2358                 // set host_client->statsdeltabits
2359                 Protocol_UpdateClientStats (stats);
2360
2361                 // add as many queued unreliable messages (effects) as we can fit
2362                 // limit effects to half of the remaining space
2363                 if (client->unreliablemsg.cursize)
2364                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2365
2366                 // now write as many entities as we can fit, and also sends stats
2367                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2368         }
2369         else if (realtime > client->keepalivetime)
2370         {
2371                 // the player isn't totally in the game yet
2372                 // send small keepalive messages if too much time has passed
2373                 // (may also be sending downloads)
2374                 client->keepalivetime = realtime + 5;
2375                 MSG_WriteChar (&msg, svc_nop);
2376         }
2377
2378         // if a download is active, see if there is room to fit some download data
2379         // in this packet
2380         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2381         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2382         {
2383                 fs_offset_t downloadstart;
2384                 unsigned char data[1400];
2385                 downloadstart = FS_Tell(host_client->download_file);
2386                 downloadsize = min(downloadsize, (int)sizeof(data));
2387                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2388                 // note this sends empty messages if at the end of the file, which is
2389                 // necessary to keep the packet loss logic working
2390                 // (the last blocks may be lost and need to be re-sent, and that will
2391                 //  only occur if the client acks the empty end messages, revealing
2392                 //  a gap in the download progress, causing the last blocks to be
2393                 //  sent again)
2394                 MSG_WriteChar (&msg, svc_downloaddata);
2395                 MSG_WriteLong (&msg, downloadstart);
2396                 MSG_WriteShort (&msg, downloadsize);
2397                 if (downloadsize > 0)
2398                         SZ_Write (&msg, data, downloadsize);
2399         }
2400
2401         // reliable only if none is in progress
2402         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2403                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2404         // unreliable
2405         SV_WriteDemoMessage(client, &msg, false);
2406
2407 // send the datagram
2408         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2409         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2410                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2411 }
2412
2413 /*
2414 =======================
2415 SV_UpdateToReliableMessages
2416 =======================
2417 */
2418 static void SV_UpdateToReliableMessages (void)
2419 {
2420         int i, j;
2421         client_t *client;
2422         const char *name;
2423         const char *model;
2424         const char *skin;
2425         int clientcamera;
2426
2427 // check for changes to be sent over the reliable streams
2428         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2429         {
2430                 // update the host_client fields we care about according to the entity fields
2431                 host_client->edict = PRVM_EDICT_NUM(i+1);
2432
2433                 // DP_SV_CLIENTNAME
2434                 name = PRVM_GetString(PRVM_serveredictstring(host_client->edict, netname));
2435                 if (name == NULL)
2436                         name = "";
2437                 // always point the string back at host_client->name to keep it safe
2438                 strlcpy (host_client->name, name, sizeof (host_client->name));
2439                 PRVM_serveredictstring(host_client->edict, netname) = PRVM_SetEngineString(host_client->name);
2440                 if (strcmp(host_client->old_name, host_client->name))
2441                 {
2442                         if (host_client->spawned)
2443                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2444                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2445                         // send notification to all clients
2446                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2447                         MSG_WriteByte (&sv.reliable_datagram, i);
2448                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2449                         SV_WriteNetnameIntoDemo(host_client);
2450                 }
2451
2452                 // DP_SV_CLIENTCOLORS
2453                 host_client->colors = (int)PRVM_serveredictfloat(host_client->edict, clientcolors);
2454                 if (host_client->old_colors != host_client->colors)
2455                 {
2456                         host_client->old_colors = host_client->colors;
2457                         // send notification to all clients
2458                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2459                         MSG_WriteByte (&sv.reliable_datagram, i);
2460                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2461                 }
2462
2463                 // NEXUIZ_PLAYERMODEL
2464                 model = PRVM_GetString(PRVM_serveredictstring(host_client->edict, playermodel));
2465                 if (model == NULL)
2466                         model = "";
2467                 // always point the string back at host_client->name to keep it safe
2468                 strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2469                 PRVM_serveredictstring(host_client->edict, playermodel) = PRVM_SetEngineString(host_client->playermodel);
2470
2471                 // NEXUIZ_PLAYERSKIN
2472                 skin = PRVM_GetString(PRVM_serveredictstring(host_client->edict, playerskin));
2473                 if (skin == NULL)
2474                         skin = "";
2475                 // always point the string back at host_client->name to keep it safe
2476                 strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2477                 PRVM_serveredictstring(host_client->edict, playerskin) = PRVM_SetEngineString(host_client->playerskin);
2478
2479                 // TODO: add an extension name for this [1/17/2008 Black]
2480                 clientcamera = PRVM_serveredictedict(host_client->edict, clientcamera);
2481                 if (clientcamera > 0)
2482                 {
2483                         int oldclientcamera = host_client->clientcamera;
2484                         if (clientcamera >= prog->max_edicts || PRVM_EDICT_NUM(clientcamera)->priv.required->free)
2485                                 clientcamera = PRVM_NUM_FOR_EDICT(host_client->edict);
2486                         host_client->clientcamera = clientcamera;
2487
2488                         if (oldclientcamera != host_client->clientcamera)
2489                         {
2490                                 MSG_WriteByte(&host_client->netconnection->message, svc_setview);
2491                                 MSG_WriteShort(&host_client->netconnection->message, host_client->clientcamera);
2492                         }
2493                 }
2494
2495                 // frags
2496                 host_client->frags = (int)PRVM_serveredictfloat(host_client->edict, frags);
2497                 if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2498                         if(!host_client->spawned && host_client->netconnection)
2499                                 host_client->frags = -666;
2500                 if (host_client->old_frags != host_client->frags)
2501                 {
2502                         host_client->old_frags = host_client->frags;
2503                         // send notification to all clients
2504                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2505                         MSG_WriteByte (&sv.reliable_datagram, i);
2506                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2507                 }
2508         }
2509
2510         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2511                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2512                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2513
2514         SZ_Clear (&sv.reliable_datagram);
2515 }
2516
2517
2518 /*
2519 =======================
2520 SV_SendClientMessages
2521 =======================
2522 */
2523 void SV_SendClientMessages (void)
2524 {
2525         int i, prepared = false;
2526
2527         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2528                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2529
2530         SV_FlushBroadcastMessages();
2531
2532 // update frags, names, etc
2533         SV_UpdateToReliableMessages();
2534
2535 // build individual updates
2536         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2537         {
2538                 if (!host_client->active)
2539                         continue;
2540                 if (!host_client->netconnection)
2541                         continue;
2542
2543                 if (host_client->netconnection->message.overflowed)
2544                 {
2545                         SV_DropClient (true);   // if the message couldn't send, kick off
2546                         continue;
2547                 }
2548
2549                 if (!prepared)
2550                 {
2551                         prepared = true;
2552                         // only prepare entities once per frame
2553                         SV_PrepareEntitiesForSending();
2554                 }
2555                 SV_SendClientDatagram (host_client);
2556         }
2557
2558 // clear muzzle flashes
2559         SV_CleanupEnts();
2560 }
2561
2562 static void SV_StartDownload_f(void)
2563 {
2564         if (host_client->download_file)
2565                 host_client->download_started = true;
2566 }
2567
2568 /*
2569  * Compression extension negotiation:
2570  *
2571  * Server to client:
2572  *   cl_serverextension_download 2
2573  *
2574  * Client to server:
2575  *   download <filename> <list of zero or more suppported compressions in order of preference>
2576  * e.g.
2577  *   download maps/map1.bsp lzo deflate huffman
2578  *
2579  * Server to client:
2580  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2581  * e.g.
2582  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2583  *
2584  * The server may choose not to compress the file by sending no compression name, like:
2585  *   cl_downloadbegin 345678 maps/map1.bsp
2586  *
2587  * NOTE: the "download" command may only specify compression algorithms if
2588  *       cl_serverextension_download is 2!
2589  *       If cl_serverextension_download has a different value, the client must
2590  *       assume this extension is not supported!
2591  */
2592
2593 static void Download_CheckExtensions(void)
2594 {
2595         int i;
2596         int argc = Cmd_Argc();
2597
2598         // first reset them all
2599         host_client->download_deflate = false;
2600
2601         for(i = 2; i < argc; ++i)
2602         {
2603                 if(!strcmp(Cmd_Argv(i), "deflate"))
2604                 {
2605                         host_client->download_deflate = true;
2606                         break;
2607                 }
2608         }
2609 }
2610
2611 static void SV_Download_f(void)
2612 {
2613         const char *whichpack, *whichpack2, *extension;
2614         qboolean is_csqc; // so we need to check only once
2615
2616         if (Cmd_Argc() < 2)
2617         {
2618                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2619                 SV_ClientPrintf("       supported extensions: deflate\n");
2620                 return;
2621         }
2622
2623         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2624         {
2625                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2626                 return;
2627         }
2628
2629         if (host_client->download_file)
2630         {
2631                 // at this point we'll assume the previous download should be aborted
2632                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2633                 Host_ClientCommands("\nstopdownload\n");
2634
2635                 // close the file and reset variables
2636                 FS_Close(host_client->download_file);
2637                 host_client->download_file = NULL;
2638                 host_client->download_name[0] = 0;
2639                 host_client->download_expectedposition = 0;
2640                 host_client->download_started = false;
2641         }
2642
2643         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2644
2645         if (!sv_allowdownloads.integer && !is_csqc)
2646         {
2647                 SV_ClientPrintf("Downloads are disabled on this server\n");
2648                 Host_ClientCommands("\nstopdownload\n");
2649                 return;
2650         }
2651
2652         Download_CheckExtensions();
2653
2654         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2655         extension = FS_FileExtension(host_client->download_name);
2656
2657         // host_client is asking to download a specified file
2658         if (developer_extra.integer)
2659                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2660
2661         if(is_csqc)
2662         {
2663                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2664                 extensions[0] = '\0';
2665
2666                 if(host_client->download_deflate)
2667                         strlcat(extensions, " deflate", sizeof(extensions));
2668
2669                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2670
2671                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2672                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2673                 else
2674                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2675
2676                 // no, no space is needed between %s and %s :P
2677                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2678
2679                 host_client->download_expectedposition = 0;
2680                 host_client->download_started = false;
2681                 host_client->sendsignon = true; // make sure this message is sent
2682                 return;
2683         }
2684
2685         if (!FS_FileExists(host_client->download_name))
2686         {
2687                 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);
2688                 Host_ClientCommands("\nstopdownload\n");
2689                 return;
2690         }
2691
2692         // check if the user is trying to download part of registered Quake(r)
2693         whichpack = FS_WhichPack(host_client->download_name);
2694         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2695         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2696         {
2697                 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);
2698                 Host_ClientCommands("\nstopdownload\n");
2699                 return;
2700         }
2701
2702         // check if the server has forbidden archive downloads entirely
2703         if (!sv_allowdownloads_inarchive.integer)
2704         {
2705                 whichpack = FS_WhichPack(host_client->download_name);
2706                 if (whichpack)
2707                 {
2708                         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);
2709                         Host_ClientCommands("\nstopdownload\n");
2710                         return;
2711                 }
2712         }
2713
2714         if (!sv_allowdownloads_config.integer)
2715         {
2716                 if (!strcasecmp(extension, "cfg"))
2717                 {
2718                         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);
2719                         Host_ClientCommands("\nstopdownload\n");
2720                         return;
2721                 }
2722         }
2723
2724         if (!sv_allowdownloads_dlcache.integer)
2725         {
2726                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2727                 {
2728                         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);
2729                         Host_ClientCommands("\nstopdownload\n");
2730                         return;
2731                 }
2732         }
2733
2734         if (!sv_allowdownloads_archive.integer)
2735         {
2736                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2737                 {
2738                         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);
2739                         Host_ClientCommands("\nstopdownload\n");
2740                         return;
2741                 }
2742         }
2743
2744         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2745         if (!host_client->download_file)
2746         {
2747                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2748                 Host_ClientCommands("\nstopdownload\n");
2749                 return;
2750         }
2751
2752         if (FS_FileSize(host_client->download_file) > 1<<30)
2753         {
2754                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2755                 Host_ClientCommands("\nstopdownload\n");
2756                 FS_Close(host_client->download_file);
2757                 host_client->download_file = NULL;
2758                 return;
2759         }
2760
2761         if (FS_FileSize(host_client->download_file) < 0)
2762         {
2763                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2764                 Host_ClientCommands("\nstopdownload\n");
2765                 FS_Close(host_client->download_file);
2766                 host_client->download_file = NULL;
2767                 return;
2768         }
2769
2770         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2771
2772         /*
2773          * we can only do this if we would actually deflate on the fly
2774          * which we do not (yet)!
2775         {
2776                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2777                 extensions[0] = '\0';
2778
2779                 if(host_client->download_deflate)
2780                         strlcat(extensions, " deflate", sizeof(extensions));
2781
2782                 // no, no space is needed between %s and %s :P
2783                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2784         }
2785         */
2786         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2787
2788         host_client->download_expectedposition = 0;
2789         host_client->download_started = false;
2790         host_client->sendsignon = true; // make sure this message is sent
2791
2792         // the rest of the download process is handled in SV_SendClientDatagram
2793         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2794         //
2795         // no svc_downloaddata messages will be sent until sv_startdownload is
2796         // sent by the client
2797 }
2798
2799 /*
2800 ==============================================================================
2801
2802 SERVER SPAWNING
2803
2804 ==============================================================================
2805 */
2806
2807 /*
2808 ================
2809 SV_ModelIndex
2810
2811 ================
2812 */
2813 int SV_ModelIndex(const char *s, int precachemode)
2814 {
2815         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);
2816         char filename[MAX_QPATH];
2817         if (!s || !*s)
2818                 return 0;
2819         // testing
2820         //if (precachemode == 2)
2821         //      return 0;
2822         strlcpy(filename, s, sizeof(filename));
2823         for (i = 2;i < limit;i++)
2824         {
2825                 if (!sv.model_precache[i][0])
2826                 {
2827                         if (precachemode)
2828                         {
2829                                 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))
2830                                 {
2831                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2832                                         return 0;
2833                                 }
2834                                 if (precachemode == 1)
2835                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2836                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2837                                 if (sv.state == ss_loading)
2838                                 {
2839                                         // running from SV_SpawnServer which is launched from the client console command interpreter
2840                                         sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2841                                 }
2842                                 else
2843                                 {
2844                                         if (svs.threaded)
2845                                         {
2846                                                 // this is running on the server thread, we can't load a model here (it would crash on renderer calls), so only look it up, the svc_precache will cause it to be loaded when it reaches the client
2847                                                 sv.models[i] = Mod_FindName (sv.model_precache[i], s[0] == '*' ? sv.worldname : NULL);
2848                                         }
2849                                         else
2850                                         {
2851                                                 // running single threaded, so we can load the model here
2852                                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2853                                         }
2854                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2855                                         MSG_WriteShort(&sv.reliable_datagram, i);
2856                                         MSG_WriteString(&sv.reliable_datagram, filename);
2857                                 }
2858                                 return i;
2859                         }
2860                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2861                         return 0;
2862                 }
2863                 if (!strcmp(sv.model_precache[i], filename))
2864                         return i;
2865         }
2866         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2867         return 0;
2868 }
2869
2870 /*
2871 ================
2872 SV_SoundIndex
2873
2874 ================
2875 */
2876 int SV_SoundIndex(const char *s, int precachemode)
2877 {
2878         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);
2879         char filename[MAX_QPATH];
2880         if (!s || !*s)
2881                 return 0;
2882         // testing
2883         //if (precachemode == 2)
2884         //      return 0;
2885         strlcpy(filename, s, sizeof(filename));
2886         for (i = 1;i < limit;i++)
2887         {
2888                 if (!sv.sound_precache[i][0])
2889                 {
2890                         if (precachemode)
2891                         {
2892                                 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))
2893                                 {
2894                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2895                                         return 0;
2896                                 }
2897                                 if (precachemode == 1)
2898                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2899                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2900                                 if (sv.state != ss_loading)
2901                                 {
2902                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2903                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2904                                         MSG_WriteString(&sv.reliable_datagram, filename);
2905                                 }
2906                                 return i;
2907                         }
2908                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2909                         return 0;
2910                 }
2911                 if (!strcmp(sv.sound_precache[i], filename))
2912                         return i;
2913         }
2914         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2915         return 0;
2916 }
2917
2918 /*
2919 ================
2920 SV_ParticleEffectIndex
2921
2922 ================
2923 */
2924 int SV_ParticleEffectIndex(const char *name)
2925 {
2926         int i, argc, linenumber, effectnameindex;
2927         int filepass;
2928         fs_offset_t filesize;
2929         unsigned char *filedata;
2930         const char *text;
2931         const char *textstart;
2932         //const char *textend;
2933         char argv[16][1024];
2934         char filename[MAX_QPATH];
2935         if (!sv.particleeffectnamesloaded)
2936         {
2937                 sv.particleeffectnamesloaded = true;
2938                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2939                 for (i = 0;i < EFFECT_TOTAL;i++)
2940                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2941                 for (filepass = 0;;filepass++)
2942                 {
2943                         if (filepass == 0)
2944                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2945                         else if (filepass == 1)
2946                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
2947                         else
2948                                 break;
2949                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2950                         if (!filedata)
2951                                 continue;
2952                         textstart = (const char *)filedata;
2953                         //textend = (const char *)filedata + filesize;
2954                         text = textstart;
2955                         for (linenumber = 1;;linenumber++)
2956                         {
2957                                 argc = 0;
2958                                 for (;;)
2959                                 {
2960                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2961                                                 break;
2962                                         if (argc < 16)
2963                                         {
2964                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2965                                                 argc++;
2966                                         }
2967                                 }
2968                                 if (com_token[0] == 0)
2969                                         break; // if the loop exited and it's not a \n, it's EOF
2970                                 if (argc < 1)
2971                                         continue;
2972                                 if (!strcmp(argv[0], "effect"))
2973                                 {
2974                                         if (argc == 2)
2975                                         {
2976                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2977                                                 {
2978                                                         if (sv.particleeffectname[effectnameindex][0])
2979                                                         {
2980                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2981                                                                         break;
2982                                                         }
2983                                                         else
2984                                                         {
2985                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2986                                                                 break;
2987                                                         }
2988                                                 }
2989                                                 // if we run out of names, abort
2990                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2991                                                 {
2992                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
2993                                                         break;
2994                                                 }
2995                                         }
2996                                 }
2997                         }
2998                         Mem_Free(filedata);
2999                 }
3000         }
3001         // search for the name
3002         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
3003                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
3004                         return effectnameindex;
3005         // return 0 if we couldn't find it
3006         return 0;
3007 }
3008
3009 dp_model_t *SV_GetModelByIndex(int modelindex)
3010 {
3011         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3012 }
3013
3014 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
3015 {
3016         int modelindex;
3017         if (!ed || ed->priv.server->free)
3018                 return NULL;
3019         modelindex = (int)PRVM_serveredictfloat(ed, modelindex);
3020         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3021 }
3022
3023 /*
3024 ================
3025 SV_CreateBaseline
3026
3027 ================
3028 */
3029 static void SV_CreateBaseline (void)
3030 {
3031         int i, entnum, large;
3032         prvm_edict_t *svent;
3033
3034         // LordHavoc: clear *all* states (note just active ones)
3035         for (entnum = 0;entnum < prog->max_edicts;entnum++)
3036         {
3037                 // get the current server version
3038                 svent = PRVM_EDICT_NUM(entnum);
3039
3040                 // LordHavoc: always clear state values, whether the entity is in use or not
3041                 svent->priv.server->baseline = defaultstate;
3042
3043                 if (svent->priv.server->free)
3044                         continue;
3045                 if (entnum > svs.maxclients && !PRVM_serveredictfloat(svent, modelindex))
3046                         continue;
3047
3048                 // create entity baseline
3049                 VectorCopy (PRVM_serveredictvector(svent, origin), svent->priv.server->baseline.origin);
3050                 VectorCopy (PRVM_serveredictvector(svent, angles), svent->priv.server->baseline.angles);
3051                 svent->priv.server->baseline.frame = (int)PRVM_serveredictfloat(svent, frame);
3052                 svent->priv.server->baseline.skin = (int)PRVM_serveredictfloat(svent, skin);
3053                 if (entnum > 0 && entnum <= svs.maxclients)
3054                 {
3055                         svent->priv.server->baseline.colormap = entnum;
3056                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
3057                 }
3058                 else
3059                 {
3060                         svent->priv.server->baseline.colormap = 0;
3061                         svent->priv.server->baseline.modelindex = (int)PRVM_serveredictfloat(svent, modelindex);
3062                 }
3063
3064                 large = false;
3065                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
3066                 {
3067                         large = true;
3068                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3069                                 large = false;
3070                 }
3071
3072                 // add to the message
3073                 if (large)
3074                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
3075                 else
3076                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
3077                 MSG_WriteShort (&sv.signon, entnum);
3078
3079                 if (large)
3080                 {
3081                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3082                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
3083                 }
3084                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3085                 {
3086                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3087                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3088                 }
3089                 else
3090                 {
3091                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
3092                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3093                 }
3094                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
3095                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
3096                 for (i=0 ; i<3 ; i++)
3097                 {
3098                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3099                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3100                 }
3101         }
3102 }
3103
3104 /*
3105 ================
3106 SV_Prepare_CSQC
3107
3108 Load csprogs.dat and comperss it so it doesn't need to be
3109 reloaded on request.
3110 ================
3111 */
3112 void SV_Prepare_CSQC(void)
3113 {
3114         fs_offset_t progsize;
3115
3116         if(svs.csqc_progdata)
3117         {
3118                 Con_DPrintf("Unloading old CSQC data.\n");
3119                 Mem_Free(svs.csqc_progdata);
3120                 if(svs.csqc_progdata_deflated)
3121                         Mem_Free(svs.csqc_progdata_deflated);
3122         }
3123
3124         svs.csqc_progdata = NULL;
3125         svs.csqc_progdata_deflated = NULL;
3126
3127         sv.csqc_progname[0] = 0;
3128         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3129
3130         if(progsize > 0)
3131         {
3132                 size_t deflated_size;
3133
3134                 sv.csqc_progsize = (int)progsize;
3135                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3136                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3137                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3138
3139                 Con_DPrint("Compressing csprogs.dat\n");
3140                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3141                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3142                 svs.csqc_progsize_deflated = (int)deflated_size;
3143                 if(svs.csqc_progdata_deflated)
3144                 {
3145                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3146                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3147                 }
3148                 else
3149                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3150         }
3151 }
3152
3153 /*
3154 ================
3155 SV_SaveSpawnparms
3156
3157 Grabs the current state of each client for saving across the
3158 transition to another level
3159 ================
3160 */
3161 void SV_SaveSpawnparms (void)
3162 {
3163         int             i, j;
3164
3165         svs.serverflags = (int)PRVM_serverglobalfloat(serverflags);
3166
3167         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3168         {
3169                 if (!host_client->active)
3170                         continue;
3171
3172         // call the progs to get default spawn parms for the new client
3173                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3174                 PRVM_ExecuteProgram (PRVM_serverfunction(SetChangeParms), "QC function SetChangeParms is missing");
3175                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3176                         host_client->spawn_parms[j] = (&PRVM_serverglobalfloat(parm1))[j];
3177         }
3178 }
3179
3180 /*
3181 ================
3182 SV_SpawnServer
3183
3184 This is called at the start of each level
3185 ================
3186 */
3187
3188 void SV_SpawnServer (const char *server)
3189 {
3190         prvm_edict_t *ent;
3191         int i;
3192         char *entities;
3193         dp_model_t *worldmodel;
3194         char modelname[sizeof(sv.worldname)];
3195
3196         Con_DPrintf("SpawnServer: %s\n", server);
3197
3198         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3199
3200         if (!FS_FileExists(modelname))
3201         {
3202                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3203                 if (!FS_FileExists(modelname))
3204                 {
3205                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3206                         return;
3207                 }
3208         }
3209
3210 //      SV_LockThreadMutex();
3211
3212         if (cls.state != ca_dedicated)
3213         {
3214                 SCR_BeginLoadingPlaque();
3215                 S_StopAllSounds();
3216         }
3217
3218         if(sv.active)
3219         {
3220                 SV_VM_Begin();
3221                 World_End(&sv.world);
3222                 if(PRVM_serverfunction(SV_Shutdown))
3223                 {
3224                         func_t s = PRVM_serverfunction(SV_Shutdown);
3225                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3226                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
3227                 }
3228                 SV_VM_End();
3229         }
3230
3231         // free q3 shaders so that any newly downloaded shaders will be active
3232         Mod_FreeQ3Shaders();
3233
3234         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3235         if (!worldmodel || !worldmodel->TraceBox)
3236         {
3237                 Con_Printf("Couldn't load map %s\n", modelname);
3238                 SV_UnlockThreadMutex();
3239                 return;
3240         }
3241
3242         Collision_Cache_Reset(true);
3243
3244         // let's not have any servers with no name
3245         if (hostname.string[0] == 0)
3246                 Cvar_Set ("hostname", "UNNAMED");
3247         scr_centertime_off = 0;
3248
3249         svs.changelevel_issued = false;         // now safe to issue another
3250
3251         // make the map a required file for clients
3252         Curl_ClearRequirements();
3253         Curl_RequireFile(modelname);
3254
3255 //
3256 // tell all connected clients that we are going to a new level
3257 //
3258         if (sv.active)
3259         {
3260                 client_t *client;
3261                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3262                 {
3263                         if (client->netconnection)
3264                         {
3265                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3266                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3267                         }
3268                 }
3269         }
3270         else
3271         {
3272                 // open server port
3273                 NetConn_OpenServerPorts(true);
3274         }
3275
3276 //
3277 // make cvars consistant
3278 //
3279         if (coop.integer)
3280                 Cvar_SetValue ("deathmatch", 0);
3281         // LordHavoc: it can be useful to have skills outside the range 0-3...
3282         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3283         //Cvar_SetValue ("skill", (float)current_skill);
3284         current_skill = (int)(skill.value + 0.5);
3285
3286 //
3287 // set up the new server
3288 //
3289         memset (&sv, 0, sizeof(sv));
3290         // if running a local client, make sure it doesn't try to access the last
3291         // level's data which is no longer valiud
3292         cls.signon = 0;
3293
3294         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3295
3296         if(*sv_random_seed.string)
3297         {
3298                 srand(sv_random_seed.integer);
3299                 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);
3300         }
3301
3302         SV_VM_Setup();
3303
3304         sv.active = true;
3305
3306         // set level base name variables for later use
3307         strlcpy (sv.name, server, sizeof (sv.name));
3308         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3309         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3310         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3311         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3312         Cvar_SetQuick(&sv_worldname, sv.worldname);
3313         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3314         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3315
3316         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3317         if (sv.protocol == PROTOCOL_UNKNOWN)
3318         {
3319                 char buffer[1024];
3320                 Protocol_Names(buffer, sizeof(buffer));
3321                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3322                 sv.protocol = PROTOCOL_QUAKE;
3323         }
3324
3325         SV_VM_Begin();
3326
3327 // load progs to get entity field count
3328         //PR_LoadProgs ( sv_progs.string );
3329
3330         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3331         sv.datagram.cursize = 0;
3332         sv.datagram.data = sv.datagram_buf;
3333
3334         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3335         sv.reliable_datagram.cursize = 0;
3336         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3337
3338         sv.signon.maxsize = sizeof(sv.signon_buf);
3339         sv.signon.cursize = 0;
3340         sv.signon.data = sv.signon_buf;
3341
3342 // leave slots at start for clients only
3343         //prog->num_edicts = svs.maxclients+1;
3344
3345         sv.state = ss_loading;
3346         prog->allowworldwrites = true;
3347         sv.paused = false;
3348
3349         PRVM_serverglobalfloat(time) = sv.time = 1.0;
3350
3351         Mod_ClearUsed();
3352         worldmodel->used = true;
3353
3354         sv.worldmodel = worldmodel;
3355         sv.models[1] = sv.worldmodel;
3356
3357 //
3358 // clear world interaction links
3359 //
3360         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
3361         World_Start(&sv.world);
3362
3363         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3364
3365         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3366         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3367         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3368         {
3369                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3370                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3371         }
3372         if(i < sv.worldmodel->brush.numsubmodels)
3373                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3374
3375 //
3376 // load the rest of the entities
3377 //
3378         // AK possible hack since num_edicts is still 0
3379         ent = PRVM_EDICT_NUM(0);
3380         memset (ent->fields.vp, 0, prog->entityfields * 4);
3381         ent->priv.server->free = false;
3382         PRVM_serveredictstring(ent, model) = PRVM_SetEngineString(sv.worldname);
3383         PRVM_serveredictfloat(ent, modelindex) = 1;             // world model
3384         PRVM_serveredictfloat(ent, solid) = SOLID_BSP;
3385         PRVM_serveredictfloat(ent, movetype) = MOVETYPE_PUSH;
3386         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, mins));
3387         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, maxs));
3388         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, absmin));
3389         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, absmax));
3390
3391         if (coop.value)
3392                 PRVM_serverglobalfloat(coop) = coop.integer;
3393         else
3394                 PRVM_serverglobalfloat(deathmatch) = deathmatch.integer;
3395
3396         PRVM_serverglobalstring(mapname) = PRVM_SetEngineString(sv.name);
3397
3398 // serverflags are for cross level information (sigils)
3399         PRVM_serverglobalfloat(serverflags) = svs.serverflags;
3400
3401         // we need to reset the spawned flag on all connected clients here so that
3402         // their thinks don't run during startup (before PutClientInServer)
3403         // we also need to set up the client entities now
3404         // and we need to set the ->edict pointers to point into the progs edicts
3405         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3406         {
3407                 host_client->spawned = false;
3408                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3409                 PRVM_ED_ClearEdict(host_client->edict);
3410         }
3411
3412         // load replacement entity file if found
3413         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3414         {
3415                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3416                 PRVM_ED_LoadFromFile (entities);
3417                 Mem_Free(entities);
3418         }
3419         else
3420                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
3421
3422
3423         // LordHavoc: clear world angles (to fix e3m3.bsp)
3424         VectorClear(PRVM_serveredictvector(prog->edicts, angles));
3425
3426 // all setup is completed, any further precache statements are errors
3427 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3428         prog->allowworldwrites = false;
3429
3430 // run two frames to allow everything to settle
3431         PRVM_serverglobalfloat(time) = sv.time = 1.0001;
3432         for (i = 0;i < 2;i++)
3433         {
3434                 sv.frametime = 0.1;
3435                 SV_Physics ();
3436         }
3437
3438         if (cls.state == ca_dedicated)
3439                 Mod_PurgeUnused();
3440
3441 // create a baseline for more efficient communications
3442         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)
3443                 SV_CreateBaseline ();
3444
3445         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3446
3447         // to prevent network timeouts
3448         realtime = Sys_DoubleTime();
3449
3450 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3451         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3452         {
3453                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3454                 if (!host_client->active)
3455                         continue;
3456                 if (host_client->netconnection)
3457                         SV_SendServerinfo(host_client);
3458                 else
3459                 {
3460                         int j;
3461                         // if client is a botclient coming from a level change, we need to
3462                         // set up client info that normally requires networking
3463
3464                         // copy spawn parms out of the client_t
3465                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3466                                 (&PRVM_serverglobalfloat(parm1))[j] = host_client->spawn_parms[j];
3467
3468                         // call the spawn function
3469                         host_client->clientconnectcalled = true;
3470                         PRVM_serverglobalfloat(time) = sv.time;
3471                         PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3472                         PRVM_ExecuteProgram (PRVM_serverfunction(ClientConnect), "QC function ClientConnect is missing");
3473                         PRVM_ExecuteProgram (PRVM_serverfunction(PutClientInServer), "QC function PutClientInServer is missing");
3474                         host_client->spawned = true;
3475                 }
3476         }
3477
3478         // update the map title cvar
3479         strlcpy(sv.worldmessage, PRVM_GetString(PRVM_serveredictstring(prog->edicts, message)), sizeof(sv.worldmessage)); // map title (not related to filename)
3480         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3481
3482         Con_DPrint("Server spawned.\n");
3483         NetConn_Heartbeat (2);
3484
3485         SV_VM_End();
3486
3487 //      SV_UnlockThreadMutex();
3488 }
3489
3490 /////////////////////////////////////////////////////
3491 // SV VM stuff
3492
3493 static void SV_VM_CB_BeginIncreaseEdicts(void)
3494 {
3495         // links don't survive the transition, so unlink everything
3496         World_UnlinkAll(&sv.world);
3497 }
3498
3499 static void SV_VM_CB_EndIncreaseEdicts(void)
3500 {
3501         int i;
3502         prvm_edict_t *ent;
3503
3504         // link every entity except world
3505         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3506                 if (!ent->priv.server->free)
3507                         SV_LinkEdict(ent);
3508 }
3509
3510 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3511 {
3512         // LordHavoc: for consistency set these here
3513         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3514
3515         e->priv.server->move = false; // don't move on first frame
3516
3517         if (num >= 0 && num < svs.maxclients)
3518         {
3519                 // set colormap and team on newly created player entity
3520                 PRVM_serveredictfloat(e, colormap) = num + 1;
3521                 PRVM_serveredictfloat(e, team) = (svs.clients[num].colors & 15) + 1;
3522                 // set netname/clientcolors back to client values so that
3523                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3524                 // reset them
3525                 PRVM_serveredictstring(e, netname) = PRVM_SetEngineString(svs.clients[num].name);
3526                 PRVM_serveredictfloat(e, clientcolors) = svs.clients[num].colors;
3527                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3528                 PRVM_serveredictstring(e, playermodel) = PRVM_SetEngineString(svs.clients[num].playermodel);
3529                 PRVM_serveredictstring(e, playerskin) = PRVM_SetEngineString(svs.clients[num].playerskin);
3530                 // Assign netaddress (IP Address, etc)
3531                 if(svs.clients[num].netconnection != NULL)
3532                 {
3533                         // Acquire Readable Address
3534                         LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3535                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(svs.clients[num].netaddress);
3536                 }
3537                 else
3538                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString("null/botclient");
3539                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
3540                         PRVM_serveredictstring(e, crypto_idfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.client_idfp);
3541                 else
3542                         PRVM_serveredictstring(e, crypto_idfp) = 0;
3543                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
3544                         PRVM_serveredictstring(e, crypto_keyfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.client_keyfp);
3545                 else
3546                         PRVM_serveredictstring(e, crypto_keyfp) = 0;
3547                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
3548                         PRVM_serveredictstring(e, crypto_mykeyfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.server_keyfp);
3549                 else
3550                         PRVM_serveredictstring(e, crypto_mykeyfp) = 0;
3551                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
3552                         PRVM_serveredictstring(e, crypto_encryptmethod) = PRVM_SetEngineString("AES128");
3553                 else
3554                         PRVM_serveredictstring(e, crypto_encryptmethod) = 0;
3555                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
3556                         PRVM_serveredictstring(e, crypto_signmethod) = PRVM_SetEngineString("HMAC-SHA256");
3557                 else
3558                         PRVM_serveredictstring(e, crypto_signmethod) = 0;
3559         }
3560 }
3561
3562 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3563 {
3564         int i;
3565         int e;
3566
3567         World_UnlinkEdict(ed);          // unlink from world bsp
3568
3569         PRVM_serveredictstring(ed, model) = 0;
3570         PRVM_serveredictfloat(ed, takedamage) = 0;
3571         PRVM_serveredictfloat(ed, modelindex) = 0;
3572         PRVM_serveredictfloat(ed, colormap) = 0;
3573         PRVM_serveredictfloat(ed, skin) = 0;
3574         PRVM_serveredictfloat(ed, frame) = 0;
3575         VectorClear(PRVM_serveredictvector(ed, origin));
3576         VectorClear(PRVM_serveredictvector(ed, angles));
3577         PRVM_serveredictfloat(ed, nextthink) = -1;
3578         PRVM_serveredictfloat(ed, solid) = 0;
3579
3580         VM_RemoveEdictSkeleton(ed);
3581         World_Physics_RemoveFromEntity(&sv.world, ed);
3582         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3583
3584         // make sure csqc networking is aware of the removed entity
3585         e = PRVM_NUM_FOR_EDICT(ed);
3586         sv.csqcentityversion[e] = 0;
3587         for (i = 0;i < svs.maxclients;i++)
3588         {
3589                 if (svs.clients[i].csqcentityscope[e])
3590                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3591                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3592         }
3593 }
3594
3595 static void SV_VM_CB_CountEdicts(void)
3596 {
3597         int             i;
3598         prvm_edict_t    *ent;
3599         int             active, models, solid, step;
3600
3601         active = models = solid = step = 0;
3602         for (i=0 ; i<prog->num_edicts ; i++)
3603         {
3604                 ent = PRVM_EDICT_NUM(i);
3605                 if (ent->priv.server->free)
3606                         continue;
3607                 active++;
3608                 if (PRVM_serveredictfloat(ent, solid))
3609                         solid++;
3610                 if (PRVM_serveredictstring(ent, model))
3611                         models++;
3612                 if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
3613                         step++;
3614         }
3615
3616         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3617         Con_Printf("active    :%3i\n", active);
3618         Con_Printf("view      :%3i\n", models);
3619         Con_Printf("touch     :%3i\n", solid);
3620         Con_Printf("step      :%3i\n", step);
3621 }
3622
3623 static qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
3624 {
3625         // remove things from different skill levels or deathmatch
3626         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3627         {
3628                 if (deathmatch.integer)
3629                 {
3630                         if (((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_DEATHMATCH))
3631                         {
3632                                 return false;
3633                         }
3634                 }
3635                 else if ((current_skill <= 0 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_EASY  ))
3636                         || (current_skill == 1 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_MEDIUM))
3637                         || (current_skill >= 2 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_HARD  )))
3638                 {
3639                         return false;
3640                 }
3641         }
3642         return true;
3643 }
3644
3645 static void SV_VM_Setup(void)
3646 {
3647         PRVM_Begin;
3648         PRVM_InitProg( PRVM_SERVERPROG );
3649
3650         // allocate the mempools
3651         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3652         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3653         prog->builtins = vm_sv_builtins;
3654         prog->numbuiltins = vm_sv_numbuiltins;
3655         prog->max_edicts = 512;
3656         if (sv.protocol == PROTOCOL_QUAKE)
3657                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3658         else if (sv.protocol == PROTOCOL_QUAKEDP)
3659                 prog->limit_edicts = 2048; // guessing
3660         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3661                 prog->limit_edicts = 2048; // guessing!
3662         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3663                 prog->limit_edicts = 4096; // guessing!
3664         else
3665                 prog->limit_edicts = MAX_EDICTS;
3666         prog->reserved_edicts = svs.maxclients;
3667         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3668         prog->name = "server";
3669         prog->extensionstring = vm_sv_extensions;
3670         prog->loadintoworld = true;
3671
3672         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
3673         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
3674         prog->init_edict = SV_VM_CB_InitEdict;
3675         prog->free_edict = SV_VM_CB_FreeEdict;
3676         prog->count_edicts = SV_VM_CB_CountEdicts;
3677         prog->load_edict = SV_VM_CB_LoadEdict;
3678         prog->init_cmd = VM_SV_Cmd_Init;
3679         prog->reset_cmd = VM_SV_Cmd_Reset;
3680         prog->error_cmd = Host_Error;
3681         prog->ExecuteProgram = SVVM_ExecuteProgram;
3682
3683         PRVM_LoadProgs( sv_progs.string, SV_REQFUNCS, sv_reqfuncs, SV_REQFIELDS, sv_reqfields, SV_REQGLOBALS, sv_reqglobals);
3684
3685         // some mods compiled with scrambling compilers lack certain critical
3686         // global names and field names such as "self" and "time" and "nextthink"
3687         // so we have to set these offsets manually, matching the entvars_t
3688         // but we only do this if the prog header crc matches, otherwise it's totally freeform
3689         if (prog->progs_crc == PROGHEADER_CRC || prog->progs_crc == PROGHEADER_CRC_TENEBRAE)
3690         {
3691                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, modelindex);
3692                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmin);
3693                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmax);
3694                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ltime);
3695                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movetype);
3696                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, solid);
3697                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, origin);
3698                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, oldorigin);
3699                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, velocity);
3700                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3701                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, avelocity);
3702                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, punchangle);
3703                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3704                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, model);
3705                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3706                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, skin);
3707                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, effects);
3708                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, mins);
3709                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, maxs);
3710                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, size);
3711                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, touch);
3712                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, use);
3713                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3714                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, blocked);
3715                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3716                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3717                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, health);
3718                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frags);
3719                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weapon);
3720                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponmodel);
3721                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponframe);
3722                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, currentammo);
3723                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_shells);
3724                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_nails);
3725                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_rockets);
3726                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_cells);
3727                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, items);
3728                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, takedamage);
3729                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3730                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, deadflag);
3731                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, view_ofs);
3732                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button0);
3733                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button1);
3734                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button2);
3735                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, impulse);
3736                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, fixangle);
3737                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, v_angle);
3738                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, idealpitch);
3739                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, netname);
3740                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, enemy);
3741                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, flags);
3742                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, colormap);
3743                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, team);
3744                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, max_health);
3745                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, teleport_time);
3746                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armortype);
3747                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armorvalue);
3748                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, waterlevel);
3749                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, watertype);
3750                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3751                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3752                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, aiment);
3753                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, goalentity);
3754                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, spawnflags);
3755                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, target);
3756                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, targetname);
3757                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_take);
3758                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_save);
3759                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_inflictor);
3760                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, owner);
3761                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movedir);
3762                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, message);
3763                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, sounds);
3764                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise);
3765                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise1);
3766                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise2);
3767                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise3);
3768                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3769                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, other);
3770                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, world);
3771                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3772                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, frametime);
3773                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, force_retouch);
3774                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, mapname);
3775                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, deathmatch);
3776                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, coop);
3777                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, teamplay);
3778                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, serverflags);
3779                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_secrets);
3780                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_monsters);
3781                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, found_secrets);
3782                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, killed_monsters);
3783                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm1);
3784                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm2);
3785                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm3);
3786                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm4);
3787                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm5);
3788                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm6);
3789                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm7);
3790                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm8);
3791                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm9);
3792                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm10);
3793                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm11);
3794                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm12);
3795                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm13);
3796                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm14);
3797                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm15);
3798                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm16);
3799                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3800                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3801                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3802                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3803                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3804                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3805                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3806                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3807                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3808                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3809                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3810                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3811                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, msg_entity);
3812 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, main);
3813 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, StartFrame);
3814 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPreThink);
3815 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPostThink);
3816 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientKill);
3817 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientConnect);
3818 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PutClientInServer);
3819 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientDisconnect);
3820 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetNewParms);
3821 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetChangeParms);
3822         }
3823         else
3824                 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);
3825
3826         // OP_STATE is always supported on server because we add fields/globals for it
3827         prog->flag |= PRVM_OP_STATE;
3828
3829         VM_CustomStats_Clear();//[515]: csqc
3830
3831         PRVM_End;
3832
3833         SV_Prepare_CSQC();
3834 }
3835
3836 void SV_VM_Begin(void)
3837 {
3838         PRVM_Begin;
3839         PRVM_SetProg( PRVM_SERVERPROG );
3840
3841         PRVM_serverglobalfloat(time) = (float) sv.time;
3842 }
3843
3844 void SV_VM_End(void)
3845 {
3846         PRVM_End;
3847 }
3848
3849 extern cvar_t host_maxwait;
3850 extern cvar_t host_framerate;
3851 int SV_ThreadFunc(void *voiddata)
3852 {
3853         double sv_timer = 0;
3854         double sv_deltarealtime, sv_oldrealtime, sv_realtime;
3855         double wait;
3856         int i;
3857         sv_realtime = Sys_DoubleTime();
3858         while (!svs.threadstop)
3859         {
3860                 // FIXME: we need to handle Host_Error in the server thread somehow
3861 //              if (setjmp(sv_abortframe))
3862 //                      continue;                       // something bad happened in the server game
3863
3864                 sv_oldrealtime = sv_realtime;
3865                 sv_realtime = Sys_DoubleTime();
3866
3867                 sv_deltarealtime = sv_realtime - sv_oldrealtime;
3868                 sv_timer += sv_deltarealtime;
3869
3870                 svs.perf_acc_realtime += sv_deltarealtime;
3871
3872                 // Look for clients who have spawned
3873                 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3874                         if(host_client->spawned)
3875                                 if(host_client->netconnection)
3876                                         break;
3877                 if(i == svs.maxclients)
3878                 {
3879                         // Nobody is looking? Then we won't do timing...
3880                         // Instead, reset it to zero
3881                         svs.perf_acc_realtime = svs.perf_acc_sleeptime = svs.perf_acc_lost = svs.perf_acc_offset = svs.perf_acc_offset_squared = svs.perf_acc_offset_max = svs.perf_acc_offset_samples = 0;
3882                 }
3883                 else if(svs.perf_acc_realtime > 5)
3884                 {
3885                         svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
3886                         svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
3887                         if(svs.perf_acc_offset_samples > 0)
3888                         {
3889                                 svs.perf_offset_max = svs.perf_acc_offset_max;
3890                                 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
3891                                 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
3892                         }
3893                         if(svs.perf_lost > 0 && developer_extra.integer)
3894                                 Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport());
3895                         svs.perf_acc_realtime = svs.perf_acc_sleeptime = svs.perf_acc_lost = svs.perf_acc_offset = svs.perf_acc_offset_squared = svs.perf_acc_offset_max = svs.perf_acc_offset_samples = 0;
3896                 }
3897
3898                 // get new packets
3899                 if (sv.active)
3900                         NetConn_ServerFrame();
3901
3902                 // if the accumulators haven't become positive yet, wait a while
3903                 wait = sv_timer * -1000000.0;
3904                 if (wait >= 1)
3905                 {
3906                         double time0;
3907                         if (host_maxwait.value <= 0)
3908                                 wait = min(wait, 1000000.0);
3909                         else
3910                                 wait = min(wait, host_maxwait.value * 1000.0);
3911                         if(wait < 1)
3912                                 wait = 1; // because we cast to int
3913                         time0 = Sys_DoubleTime();
3914                         Sys_Sleep((int)wait);
3915                         svs.perf_acc_sleeptime += Sys_DoubleTime() - time0;
3916                         continue;
3917                 }
3918
3919                 if (sv.active && sv_timer > 0)
3920                 {
3921                         // execute one server frame
3922                         double advancetime;
3923                         float offset;
3924
3925                         if (sys_ticrate.value <= 0)
3926                                 advancetime = min(sv_timer, 0.1); // don't step more than 100ms
3927                         else
3928                                 advancetime = sys_ticrate.value;
3929
3930                         if(advancetime > 0)
3931                         {
3932                                 offset = sv_timer + (Sys_DoubleTime() - sv_realtime); // LordHavoc: FIXME: I don't understand this line
3933                                 ++svs.perf_acc_offset_samples;
3934                                 svs.perf_acc_offset += offset;
3935                                 svs.perf_acc_offset_squared += offset * offset;
3936                                 if(svs.perf_acc_offset_max < offset)
3937                                         svs.perf_acc_offset_max = offset;
3938                         }
3939
3940                         // at this point we start doing real server work, and must block on any client activity pertaining to the server (such as executing SV_SpawnServer)
3941                         SV_LockThreadMutex();
3942
3943                         // only advance time if not paused
3944                         // the game also pauses in singleplayer when menu or console is used
3945                         sv.frametime = advancetime * slowmo.value;
3946                         if (host_framerate.value)
3947                                 sv.frametime = host_framerate.value;
3948                         if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
3949                                 sv.frametime = 0;
3950
3951                         sv_timer -= advancetime;
3952
3953                         // setup the VM frame
3954                         SV_VM_Begin();
3955
3956                         // move things around and think unless paused
3957                         if (sv.frametime)
3958                                 SV_Physics();
3959
3960                         // send all messages to the clients
3961                         SV_SendClientMessages();
3962
3963                         if (sv.paused == 1 && sv_realtime > sv.pausedstart && sv.pausedstart > 0)
3964                         {
3965                                 prog->globals.generic[OFS_PARM0] = sv_realtime - sv.pausedstart;
3966                                 PRVM_ExecuteProgram(PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
3967                         }
3968
3969                         // end the server VM frame
3970                         SV_VM_End();
3971
3972                         // send an heartbeat if enough time has passed since the last one
3973                         NetConn_Heartbeat(0);
3974
3975                         // at this point we start doing real server work, and must block on any client activity pertaining to the server (such as executing SV_SpawnServer)
3976                         SV_UnlockThreadMutex();
3977                 }
3978
3979                 // if there is some time remaining from this frame, reset the timers
3980                 if (sv_timer >= 0)
3981                 {
3982                         svs.perf_acc_lost += sv_timer;
3983                         sv_timer = 0;
3984                 }
3985         }
3986         return 0;
3987 }
3988
3989 void SV_StartThread(void)
3990 {
3991         if (!sv_threaded.integer || !Thread_HasThreads())
3992                 return;
3993         svs.threaded = true;
3994         svs.threadstop = false;
3995         svs.threadmutex = Thread_CreateMutex();
3996         svs.thread = Thread_CreateThread(SV_ThreadFunc, NULL);
3997 }
3998
3999 void SV_StopThread(void)
4000 {
4001         if (!svs.threaded)
4002                 return;
4003         svs.threadstop = true;
4004         Thread_WaitThread(svs.thread, 0);
4005         Thread_DestroyMutex(svs.threadmutex);
4006         svs.threaded = false;
4007 }
4008
4009 void SV_LockThreadMutex(void)
4010 {
4011         if (svs.threaded)
4012                 Thread_LockMutex(svs.threadmutex);
4013 }
4014
4015 void SV_UnlockThreadMutex(void)
4016 {
4017         if (svs.threaded)
4018                 Thread_UnlockMutex(svs.threadmutex);
4019 }