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 sv_disablenotify = {0, "sv_disablenotify", "1", "suppress broadcast prints when certain cvars are changed (CVAR_NOTIFY flag in engine code)"};
  43 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)"};
  44 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)"};
  45 cvar_t fraglimit = {CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
  46 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
  47 cvar_t noexit = {CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
  48 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
  49 cvar_t pausable = {0, "pausable","1", "allow players to pause or not"};
  50 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)"};
  51 cvar_t samelevel = {CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
  52 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)"};
  53 cvar_t slowmo = {0, "slowmo", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
  54
  55 cvar_t sv_accelerate = {0, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
  56 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"};
  57 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"};
  58 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"};
  59 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"};
  60 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"};
  61 cvar_t sv_airstopaccelerate = {0, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
  62 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"};
  63 cvar_t sv_airstrafeaccelerate = {0, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
  64 cvar_t sv_maxairstrafespeed = {0, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
  65 cvar_t sv_airstrafeaccel_qw = {0, "sv_airstrafeaccel_qw", "0", "when set, replacement for sv_airaccel_qw when just strafing"};
  66 cvar_t sv_aircontrol = {0, "sv_aircontrol", "0", "CPMA-style air control"};
  67 cvar_t sv_aircontrol_power = {0, "sv_aircontrol_power", "2", "CPMA-style air control exponent"};
  68 cvar_t sv_aircontrol_penalty = {0, "sv_aircontrol_penalty", "0", "deceleration while using CPMA-style air control"};
  69 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
  70 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
  71 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
  72 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
  73 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
  74 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"};
  75 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"};
  76 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"};
  77 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)"};
  78 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)"};
  79 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)"};
  80 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!)"};
  81 cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
  82 cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  83 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"};
  84 cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  85 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"};
  86 cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  87 cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
  88 cvar_t sv_cullentities_trace_prediction_time = {0, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
  89 cvar_t sv_cullentities_trace_entityocclusion = {0, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
  90 cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
  91 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"};
  92 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"};
  93 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
  94 cvar_t sv_echobprint = {CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
  95 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)"};
  96 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)"};
  97 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)"};
  98 cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
  99 cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
 100 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"};
 101 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"};
 102 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"};
 103 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)"};
 104 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"};
 105 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)"};
 106 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"};
 107 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
 108 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
 109 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"};
 110 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"};
 111 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)"};
 112 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)"};
 113 cvar_t sv_gameplayfix_nudgeoutofsolid_separation = {0, "sv_gameplayfix_nudgeoutofsolid_separation", "0.03125", "keep objects this distance apart to prevent collision issues on seams"};
 114 cvar_t sv_gameplayfix_q2airaccelerate = {0, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
 115 cvar_t sv_gameplayfix_nogravityonground = {0, "sv_gameplayfix_nogravityonground", "0", "turn off gravity when on ground (to get rid of sliding)"};
 116 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"};
 117 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"};
 118 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)"};
 119 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)"};
 120 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"};
 121 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"};
 122 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"};
 123 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"};
 124 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)"};
 125 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"};
 126 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."};
 127 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"};
 128 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)"};
 129 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 130 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 131 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
 132 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 133 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)"};
 134 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 135 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 136 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 137 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 138 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 139 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 140 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 141 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"};
 142 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)"};
 143 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)"};
 144 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)"};
 145 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 146 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 147 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 148 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"};
 149 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"};
 150 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 151 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)"};
 152 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 153 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)"};
 154 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"};
 155 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
 156 cvar_t sv_areadebug = {0, "sv_areadebug", "0", "disables physics culling for debugging purposes (only for development)"};
 157 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"};
 158 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"};
 159 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 160 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"};
 161
 162 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 163 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 164 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 165 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 166 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 167 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 168 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 169 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 170 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 171 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)"};
 172
 173 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 174 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 175 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 176 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 177 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 178 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 179 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 180 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 181 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 182 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 183 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 184 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 185 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 186 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 187 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 188 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 189 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 190 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 191 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 192 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 193 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 194
 195 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)"};
 196 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)" };
 197 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."};
 198
 199 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 200
 201 server_t sv;
 202 server_static_t svs;
 203
 204 mempool_t *sv_mempool = NULL;
 205
 206 extern cvar_t slowmo;
 207 extern float            scr_centertime_off;
 208
 209 // MUST match effectnameindex_t in client.h
 210 static const char *standardeffectnames[EFFECT_TOTAL] =
 211 {
 212         "",
 213         "TE_GUNSHOT",
 214         "TE_GUNSHOTQUAD",
 215         "TE_SPIKE",
 216         "TE_SPIKEQUAD",
 217         "TE_SUPERSPIKE",
 218         "TE_SUPERSPIKEQUAD",
 219         "TE_WIZSPIKE",
 220         "TE_KNIGHTSPIKE",
 221         "TE_EXPLOSION",
 222         "TE_EXPLOSIONQUAD",
 223         "TE_TAREXPLOSION",
 224         "TE_TELEPORT",
 225         "TE_LAVASPLASH",
 226         "TE_SMALLFLASH",
 227         "TE_FLAMEJET",
 228         "EF_FLAME",
 229         "TE_BLOOD",
 230         "TE_SPARK",
 231         "TE_PLASMABURN",
 232         "TE_TEI_G3",
 233         "TE_TEI_SMOKE",
 234         "TE_TEI_BIGEXPLOSION",
 235         "TE_TEI_PLASMAHIT",
 236         "EF_STARDUST",
 237         "TR_ROCKET",
 238         "TR_GRENADE",
 239         "TR_BLOOD",
 240         "TR_WIZSPIKE",
 241         "TR_SLIGHTBLOOD",
 242         "TR_KNIGHTSPIKE",
 243         "TR_VORESPIKE",
 244         "TR_NEHAHRASMOKE",
 245         "TR_NEXUIZPLASMA",
 246         "TR_GLOWTRAIL",
 247         "SVC_PARTICLE"
 248 };
 249
 250 #define SV_REQFUNCS 0
 251 #define sv_reqfuncs NULL
 252
 253 //#define SV_REQFUNCS (sizeof(sv_reqfuncs) / sizeof(const char *))
 254 //static const char *sv_reqfuncs[] = {
 255 //};
 256
 257 #define SV_REQFIELDS (sizeof(sv_reqfields) / sizeof(prvm_required_field_t))
 258
 259 prvm_required_field_t sv_reqfields[] =
 260 {
 261 #define PRVM_DECLARE_serverglobalfloat(x)
 262 #define PRVM_DECLARE_serverglobalvector(x)
 263 #define PRVM_DECLARE_serverglobalstring(x)
 264 #define PRVM_DECLARE_serverglobaledict(x)
 265 #define PRVM_DECLARE_serverglobalfunction(x)
 266 #define PRVM_DECLARE_clientglobalfloat(x)
 267 #define PRVM_DECLARE_clientglobalvector(x)
 268 #define PRVM_DECLARE_clientglobalstring(x)
 269 #define PRVM_DECLARE_clientglobaledict(x)
 270 #define PRVM_DECLARE_clientglobalfunction(x)
 271 #define PRVM_DECLARE_menuglobalfloat(x)
 272 #define PRVM_DECLARE_menuglobalvector(x)
 273 #define PRVM_DECLARE_menuglobalstring(x)
 274 #define PRVM_DECLARE_menuglobaledict(x)
 275 #define PRVM_DECLARE_menuglobalfunction(x)
 276 #define PRVM_DECLARE_serverfieldfloat(x) {ev_float, #x},
 277 #define PRVM_DECLARE_serverfieldvector(x) {ev_vector, #x},
 278 #define PRVM_DECLARE_serverfieldstring(x) {ev_string, #x},
 279 #define PRVM_DECLARE_serverfieldedict(x) {ev_entity, #x},
 280 #define PRVM_DECLARE_serverfieldfunction(x) {ev_function, #x},
 281 #define PRVM_DECLARE_clientfieldfloat(x)
 282 #define PRVM_DECLARE_clientfieldvector(x)
 283 #define PRVM_DECLARE_clientfieldstring(x)
 284 #define PRVM_DECLARE_clientfieldedict(x)
 285 #define PRVM_DECLARE_clientfieldfunction(x)
 286 #define PRVM_DECLARE_menufieldfloat(x)
 287 #define PRVM_DECLARE_menufieldvector(x)
 288 #define PRVM_DECLARE_menufieldstring(x)
 289 #define PRVM_DECLARE_menufieldedict(x)
 290 #define PRVM_DECLARE_menufieldfunction(x)
 291 #define PRVM_DECLARE_serverfunction(x)
 292 #define PRVM_DECLARE_clientfunction(x)
 293 #define PRVM_DECLARE_menufunction(x)
 294 #define PRVM_DECLARE_field(x)
 295 #define PRVM_DECLARE_global(x)
 296 #define PRVM_DECLARE_function(x)
 297 #include "prvm_offsets.h"
 298 #undef PRVM_DECLARE_serverglobalfloat
 299 #undef PRVM_DECLARE_serverglobalvector
 300 #undef PRVM_DECLARE_serverglobalstring
 301 #undef PRVM_DECLARE_serverglobaledict
 302 #undef PRVM_DECLARE_serverglobalfunction
 303 #undef PRVM_DECLARE_clientglobalfloat
 304 #undef PRVM_DECLARE_clientglobalvector
 305 #undef PRVM_DECLARE_clientglobalstring
 306 #undef PRVM_DECLARE_clientglobaledict
 307 #undef PRVM_DECLARE_clientglobalfunction
 308 #undef PRVM_DECLARE_menuglobalfloat
 309 #undef PRVM_DECLARE_menuglobalvector
 310 #undef PRVM_DECLARE_menuglobalstring
 311 #undef PRVM_DECLARE_menuglobaledict
 312 #undef PRVM_DECLARE_menuglobalfunction
 313 #undef PRVM_DECLARE_serverfieldfloat
 314 #undef PRVM_DECLARE_serverfieldvector
 315 #undef PRVM_DECLARE_serverfieldstring
 316 #undef PRVM_DECLARE_serverfieldedict
 317 #undef PRVM_DECLARE_serverfieldfunction
 318 #undef PRVM_DECLARE_clientfieldfloat
 319 #undef PRVM_DECLARE_clientfieldvector
 320 #undef PRVM_DECLARE_clientfieldstring
 321 #undef PRVM_DECLARE_clientfieldedict
 322 #undef PRVM_DECLARE_clientfieldfunction
 323 #undef PRVM_DECLARE_menufieldfloat
 324 #undef PRVM_DECLARE_menufieldvector
 325 #undef PRVM_DECLARE_menufieldstring
 326 #undef PRVM_DECLARE_menufieldedict
 327 #undef PRVM_DECLARE_menufieldfunction
 328 #undef PRVM_DECLARE_serverfunction
 329 #undef PRVM_DECLARE_clientfunction
 330 #undef PRVM_DECLARE_menufunction
 331 #undef PRVM_DECLARE_field
 332 #undef PRVM_DECLARE_global
 333 #undef PRVM_DECLARE_function
 334 };
 335
 336 #define SV_REQGLOBALS (sizeof(sv_reqglobals) / sizeof(prvm_required_field_t))
 337
 338 prvm_required_field_t sv_reqglobals[] =
 339 {
 340 #define PRVM_DECLARE_serverglobalfloat(x) {ev_float, #x},
 341 #define PRVM_DECLARE_serverglobalvector(x) {ev_vector, #x},
 342 #define PRVM_DECLARE_serverglobalstring(x) {ev_string, #x},
 343 #define PRVM_DECLARE_serverglobaledict(x) {ev_entity, #x},
 344 #define PRVM_DECLARE_serverglobalfunction(x) {ev_function, #x},
 345 #define PRVM_DECLARE_clientglobalfloat(x)
 346 #define PRVM_DECLARE_clientglobalvector(x)
 347 #define PRVM_DECLARE_clientglobalstring(x)
 348 #define PRVM_DECLARE_clientglobaledict(x)
 349 #define PRVM_DECLARE_clientglobalfunction(x)
 350 #define PRVM_DECLARE_menuglobalfloat(x)
 351 #define PRVM_DECLARE_menuglobalvector(x)
 352 #define PRVM_DECLARE_menuglobalstring(x)
 353 #define PRVM_DECLARE_menuglobaledict(x)
 354 #define PRVM_DECLARE_menuglobalfunction(x)
 355 #define PRVM_DECLARE_serverfieldfloat(x)
 356 #define PRVM_DECLARE_serverfieldvector(x)
 357 #define PRVM_DECLARE_serverfieldstring(x)
 358 #define PRVM_DECLARE_serverfieldedict(x)
 359 #define PRVM_DECLARE_serverfieldfunction(x)
 360 #define PRVM_DECLARE_clientfieldfloat(x)
 361 #define PRVM_DECLARE_clientfieldvector(x)
 362 #define PRVM_DECLARE_clientfieldstring(x)
 363 #define PRVM_DECLARE_clientfieldedict(x)
 364 #define PRVM_DECLARE_clientfieldfunction(x)
 365 #define PRVM_DECLARE_menufieldfloat(x)
 366 #define PRVM_DECLARE_menufieldvector(x)
 367 #define PRVM_DECLARE_menufieldstring(x)
 368 #define PRVM_DECLARE_menufieldedict(x)
 369 #define PRVM_DECLARE_menufieldfunction(x)
 370 #define PRVM_DECLARE_serverfunction(x)
 371 #define PRVM_DECLARE_clientfunction(x)
 372 #define PRVM_DECLARE_menufunction(x)
 373 #define PRVM_DECLARE_field(x)
 374 #define PRVM_DECLARE_global(x)
 375 #define PRVM_DECLARE_function(x)
 376 #include "prvm_offsets.h"
 377 #undef PRVM_DECLARE_serverglobalfloat
 378 #undef PRVM_DECLARE_serverglobalvector
 379 #undef PRVM_DECLARE_serverglobalstring
 380 #undef PRVM_DECLARE_serverglobaledict
 381 #undef PRVM_DECLARE_serverglobalfunction
 382 #undef PRVM_DECLARE_clientglobalfloat
 383 #undef PRVM_DECLARE_clientglobalvector
 384 #undef PRVM_DECLARE_clientglobalstring
 385 #undef PRVM_DECLARE_clientglobaledict
 386 #undef PRVM_DECLARE_clientglobalfunction
 387 #undef PRVM_DECLARE_menuglobalfloat
 388 #undef PRVM_DECLARE_menuglobalvector
 389 #undef PRVM_DECLARE_menuglobalstring
 390 #undef PRVM_DECLARE_menuglobaledict
 391 #undef PRVM_DECLARE_menuglobalfunction
 392 #undef PRVM_DECLARE_serverfieldfloat
 393 #undef PRVM_DECLARE_serverfieldvector
 394 #undef PRVM_DECLARE_serverfieldstring
 395 #undef PRVM_DECLARE_serverfieldedict
 396 #undef PRVM_DECLARE_serverfieldfunction
 397 #undef PRVM_DECLARE_clientfieldfloat
 398 #undef PRVM_DECLARE_clientfieldvector
 399 #undef PRVM_DECLARE_clientfieldstring
 400 #undef PRVM_DECLARE_clientfieldedict
 401 #undef PRVM_DECLARE_clientfieldfunction
 402 #undef PRVM_DECLARE_menufieldfloat
 403 #undef PRVM_DECLARE_menufieldvector
 404 #undef PRVM_DECLARE_menufieldstring
 405 #undef PRVM_DECLARE_menufieldedict
 406 #undef PRVM_DECLARE_menufieldfunction
 407 #undef PRVM_DECLARE_serverfunction
 408 #undef PRVM_DECLARE_clientfunction
 409 #undef PRVM_DECLARE_menufunction
 410 #undef PRVM_DECLARE_field
 411 #undef PRVM_DECLARE_global
 412 #undef PRVM_DECLARE_function
 413 };
 414
 415
 416
 417 //============================================================================
 418
 419 void SV_AreaStats_f(void)
 420 {
 421         World_PrintAreaStats(&sv.world, "server");
 422 }
 423
 424 /*
 425 ===============
 426 SV_Init
 427 ===============
 428 */
 429 void SV_Init (void)
 430 {
 431         // init the csqc progs cvars, since they are updated/used by the server code
 432         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 433         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 434         extern cvar_t csqc_progcrc;
 435         extern cvar_t csqc_progsize;
 436         extern cvar_t csqc_usedemoprogs;
 437
 438         Cvar_RegisterVariable(&sv_worldmessage);
 439         Cvar_RegisterVariable(&sv_worldname);
 440         Cvar_RegisterVariable(&sv_worldnamenoextension);
 441         Cvar_RegisterVariable(&sv_worldbasename);
 442
 443         Cvar_RegisterVariable (&csqc_progname);
 444         Cvar_RegisterVariable (&csqc_progcrc);
 445         Cvar_RegisterVariable (&csqc_progsize);
 446         Cvar_RegisterVariable (&csqc_usedemoprogs);
 447
 448         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 449         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 450         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 451         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
 452
 453         Cvar_RegisterVariable (&sv_disablenotify);
 454         Cvar_RegisterVariable (&coop);
 455         Cvar_RegisterVariable (&deathmatch);
 456         Cvar_RegisterVariable (&fraglimit);
 457         Cvar_RegisterVariable (&gamecfg);
 458         Cvar_RegisterVariable (&noexit);
 459         Cvar_RegisterVariable (&nomonsters);
 460         Cvar_RegisterVariable (&pausable);
 461         Cvar_RegisterVariable (&pr_checkextension);
 462         Cvar_RegisterVariable (&samelevel);
 463         Cvar_RegisterVariable (&skill);
 464         Cvar_RegisterVariable (&slowmo);
 465         Cvar_RegisterVariable (&sv_accelerate);
 466         Cvar_RegisterVariable (&sv_aim);
 467         Cvar_RegisterVariable (&sv_airaccel_qw);
 468         Cvar_RegisterVariable (&sv_airaccel_qw_stretchfactor);
 469         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 470         Cvar_RegisterVariable (&sv_airaccelerate);
 471         Cvar_RegisterVariable (&sv_airstopaccelerate);
 472         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 473         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 474         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
 475         Cvar_RegisterVariable (&sv_airspeedlimit_nonqw);
 476         Cvar_RegisterVariable (&sv_aircontrol);
 477         Cvar_RegisterVariable (&sv_aircontrol_power);
 478         Cvar_RegisterVariable (&sv_aircontrol_penalty);
 479         Cvar_RegisterVariable (&sv_allowdownloads);
 480         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 481         Cvar_RegisterVariable (&sv_allowdownloads_config);
 482         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 483         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 484         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 485         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 486         Cvar_RegisterVariable (&sv_clmovement_enable);
 487         Cvar_RegisterVariable (&sv_clmovement_minping);
 488         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 489         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 490         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 491         Cvar_RegisterVariable (&sv_cullentities_pvs);
 492         Cvar_RegisterVariable (&sv_cullentities_stats);
 493         Cvar_RegisterVariable (&sv_cullentities_trace);
 494         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 495         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 496         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 497         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 498         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 499         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 500         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 501         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 502         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 503         Cvar_RegisterVariable (&sv_debugmove);
 504         Cvar_RegisterVariable (&sv_echobprint);
 505         Cvar_RegisterVariable (&sv_edgefriction);
 506         Cvar_RegisterVariable (&sv_entpatch);
 507         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 508         Cvar_RegisterVariable (&sv_freezenonclients);
 509         Cvar_RegisterVariable (&sv_friction);
 510         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 511         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
 512         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 513         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 514         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 515         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 516         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 517         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 518         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 519         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 520         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 521         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 522         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
 523         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_separation);
 524         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 525         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
 526         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 527         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 528         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 529         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
 530         Cvar_RegisterVariable (&sv_gameplayfix_stepmultipletimes);
 531         Cvar_RegisterVariable (&sv_gameplayfix_nostepmoveonsteepslopes);
 532         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 533         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 534         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
 535         Cvar_RegisterVariable (&sv_gameplayfix_q1bsptracelinereportstexture);
 536         Cvar_RegisterVariable (&sv_gameplayfix_unstickplayers);
 537         Cvar_RegisterVariable (&sv_gameplayfix_unstickentities);
 538         Cvar_RegisterVariable (&sv_gameplayfix_fixedcheckwatertransition);
 539         Cvar_RegisterVariable (&sv_gravity);
 540         Cvar_RegisterVariable (&sv_idealpitchscale);
 541         Cvar_RegisterVariable (&sv_jumpstep);
 542         Cvar_RegisterVariable (&sv_jumpvelocity);
 543         Cvar_RegisterVariable (&sv_maxairspeed);
 544         Cvar_RegisterVariable (&sv_maxrate);
 545         Cvar_RegisterVariable (&sv_maxspeed);
 546         Cvar_RegisterVariable (&sv_maxvelocity);
 547         Cvar_RegisterVariable (&sv_nostep);
 548         Cvar_RegisterVariable (&sv_playerphysicsqc);
 549         Cvar_RegisterVariable (&sv_progs);
 550         Cvar_RegisterVariable (&sv_protocolname);
 551         Cvar_RegisterVariable (&sv_random_seed);
 552         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
 553         Cvar_RegisterVariable (&sv_sound_land);
 554         Cvar_RegisterVariable (&sv_sound_watersplash);
 555         Cvar_RegisterVariable (&sv_stepheight);
 556         Cvar_RegisterVariable (&sv_stopspeed);
 557         Cvar_RegisterVariable (&sv_wallfriction);
 558         Cvar_RegisterVariable (&sv_wateraccelerate);
 559         Cvar_RegisterVariable (&sv_waterfriction);
 560         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 561         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 562         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 563         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 564         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 565         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 566         Cvar_RegisterVariable (&sv_areadebug);
 567         Cvar_RegisterVariable (&sys_ticrate);
 568         Cvar_RegisterVariable (&teamplay);
 569         Cvar_RegisterVariable (&timelimit);
 570         Cvar_RegisterVariable (&sv_threaded);
 571
 572         Cvar_RegisterVariable (&saved1);
 573         Cvar_RegisterVariable (&saved2);
 574         Cvar_RegisterVariable (&saved3);
 575         Cvar_RegisterVariable (&saved4);
 576         Cvar_RegisterVariable (&savedgamecfg);
 577         Cvar_RegisterVariable (&scratch1);
 578         Cvar_RegisterVariable (&scratch2);
 579         Cvar_RegisterVariable (&scratch3);
 580         Cvar_RegisterVariable (&scratch4);
 581         Cvar_RegisterVariable (&temp1);
 582
 583         // LordHavoc: Nehahra uses these to pass data around cutscene demos
 584         Cvar_RegisterVariable (&nehx00);
 585         Cvar_RegisterVariable (&nehx01);
 586         Cvar_RegisterVariable (&nehx02);
 587         Cvar_RegisterVariable (&nehx03);
 588         Cvar_RegisterVariable (&nehx04);
 589         Cvar_RegisterVariable (&nehx05);
 590         Cvar_RegisterVariable (&nehx06);
 591         Cvar_RegisterVariable (&nehx07);
 592         Cvar_RegisterVariable (&nehx08);
 593         Cvar_RegisterVariable (&nehx09);
 594         Cvar_RegisterVariable (&nehx10);
 595         Cvar_RegisterVariable (&nehx11);
 596         Cvar_RegisterVariable (&nehx12);
 597         Cvar_RegisterVariable (&nehx13);
 598         Cvar_RegisterVariable (&nehx14);
 599         Cvar_RegisterVariable (&nehx15);
 600         Cvar_RegisterVariable (&nehx16);
 601         Cvar_RegisterVariable (&nehx17);
 602         Cvar_RegisterVariable (&nehx18);
 603         Cvar_RegisterVariable (&nehx19);
 604         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 605
 606         Cvar_RegisterVariable (&sv_autodemo_perclient);
 607         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 608         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
 609
 610         Cvar_RegisterVariable (&halflifebsp);
 611
 612         sv_mempool = Mem_AllocPool("server", 0, NULL);
 613 }
 614
 615 static void SV_SaveEntFile_f(void)
 616 {
 617         if (!sv.active || !sv.worldmodel)
 618         {
 619                 Con_Print("Not running a server\n");
 620                 return;
 621         }
 622         FS_WriteFile(va("%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 623 }
 624
 625
 626 /*
 627 =============================================================================
 628
 629 EVENT MESSAGES
 630
 631 =============================================================================
 632 */
 633
 634 /*
 635 ==================
 636 SV_StartParticle
 637
 638 Make sure the event gets sent to all clients
 639 ==================
 640 */
 641 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 642 {
 643         int i;
 644
 645         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 646                 return;
 647         MSG_WriteByte (&sv.datagram, svc_particle);
 648         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 649         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 650         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 651         for (i=0 ; i<3 ; i++)
 652                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 653         MSG_WriteByte (&sv.datagram, count);
 654         MSG_WriteByte (&sv.datagram, color);
 655         SV_FlushBroadcastMessages();
 656 }
 657
 658 /*
 659 ==================
 660 SV_StartEffect
 661
 662 Make sure the event gets sent to all clients
 663 ==================
 664 */
 665 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 666 {
 667         if (modelindex >= 256 || startframe >= 256)
 668         {
 669                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 670                         return;
 671                 MSG_WriteByte (&sv.datagram, svc_effect2);
 672                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 673                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 674                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 675                 MSG_WriteShort (&sv.datagram, modelindex);
 676                 MSG_WriteShort (&sv.datagram, startframe);
 677                 MSG_WriteByte (&sv.datagram, framecount);
 678                 MSG_WriteByte (&sv.datagram, framerate);
 679         }
 680         else
 681         {
 682                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 683                         return;
 684                 MSG_WriteByte (&sv.datagram, svc_effect);
 685                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 686                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 687                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 688                 MSG_WriteByte (&sv.datagram, modelindex);
 689                 MSG_WriteByte (&sv.datagram, startframe);
 690                 MSG_WriteByte (&sv.datagram, framecount);
 691                 MSG_WriteByte (&sv.datagram, framerate);
 692         }
 693         SV_FlushBroadcastMessages();
 694 }
 695
 696 /*
 697 ==================
 698 SV_StartSound
 699
 700 Each entity can have eight independant sound sources, like voice,
 701 weapon, feet, etc.
 702
 703 Channel 0 is an auto-allocate channel, the others override anything
 704 already running on that entity/channel pair.
 705
 706 An attenuation of 0 will play full volume everywhere in the level.
 707 Larger attenuations will drop off.  (max 4 attenuation)
 708
 709 ==================
 710 */
 711 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation, qboolean reliable, float speed)
 712 {
 713         sizebuf_t *dest;
 714         int sound_num, field_mask, i, ent, speed4000;
 715
 716         dest = (reliable ? &sv.reliable_datagram : &sv.datagram);
 717
 718         if (volume < 0 || volume > 255)
 719         {
 720                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
 721                 return;
 722         }
 723
 724         if (attenuation < 0 || attenuation > 4)
 725         {
 726                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 727                 return;
 728         }
 729
 730         if (!IS_CHAN(channel))
 731         {
 732                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 733                 return;
 734         }
 735
 736         channel = CHAN_ENGINE2NET(channel);
 737
 738         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 739                 return;
 740
 741 // find precache number for sound
 742         sound_num = SV_SoundIndex(sample, 1);
 743         if (!sound_num)
 744                 return;
 745
 746         ent = PRVM_NUM_FOR_EDICT(entity);
 747
 748         speed4000 = (int)floor(speed * 4000.0f + 0.5f);
 749         field_mask = 0;
 750         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 751                 field_mask |= SND_VOLUME;
 752         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 753                 field_mask |= SND_ATTENUATION;
 754         if (speed4000 && speed4000 != 4000)
 755                 field_mask |= SND_SPEEDUSHORT4000;
 756         if (ent >= 8192 || channel < 0 || channel > 7)
 757                 field_mask |= SND_LARGEENTITY;
 758         if (sound_num >= 256)
 759                 field_mask |= SND_LARGESOUND;
 760
 761 // directed messages go only to the entity they are targeted on
 762         MSG_WriteByte (dest, svc_sound);
 763         MSG_WriteByte (dest, field_mask);
 764         if (field_mask & SND_VOLUME)
 765                 MSG_WriteByte (dest, volume);
 766         if (field_mask & SND_ATTENUATION)
 767                 MSG_WriteByte (dest, (int)(attenuation*64));
 768         if (field_mask & SND_SPEEDUSHORT4000)
 769                 MSG_WriteShort (dest, speed4000);
 770         if (field_mask & SND_LARGEENTITY)
 771         {
 772                 MSG_WriteShort (dest, ent);
 773                 MSG_WriteChar (dest, channel);
 774         }
 775         else
 776                 MSG_WriteShort (dest, (ent<<3) | channel);
 777         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 778                 MSG_WriteShort (dest, sound_num);
 779         else
 780                 MSG_WriteByte (dest, sound_num);
 781         for (i = 0;i < 3;i++)
 782                 MSG_WriteCoord (dest, PRVM_serveredictvector(entity, origin)[i]+0.5*(PRVM_serveredictvector(entity, mins)[i]+PRVM_serveredictvector(entity, maxs)[i]), sv.protocol);
 783
 784         // TODO do we have to do anything here when dest is &sv.reliable_datagram?
 785         if(!reliable)
 786                 SV_FlushBroadcastMessages();
 787 }
 788
 789 /*
 790 ==================
 791 SV_StartPointSound
 792
 793 Nearly the same logic as SV_StartSound, except an origin
 794 instead of an entity is provided and channel is omitted.
 795
 796 The entity sent to the client is 0 (world) and the channel
 797 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 798 function, therefore the check for it is omitted.
 799
 800 ==================
 801 */
 802 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation, float speed)
 803 {
 804         int sound_num, field_mask, i, speed4000;
 805
 806         if (volume < 0 || volume > 255)
 807         {
 808                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
 809                 return;
 810         }
 811
 812         if (attenuation < 0 || attenuation > 4)
 813         {
 814                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 815                 return;
 816         }
 817
 818         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 819                 return;
 820
 821         // find precache number for sound
 822         sound_num = SV_SoundIndex(sample, 1);
 823         if (!sound_num)
 824                 return;
 825
 826         speed4000 = (int)(speed * 40.0f);
 827         field_mask = 0;
 828         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 829                 field_mask |= SND_VOLUME;
 830         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 831                 field_mask |= SND_ATTENUATION;
 832         if (sound_num >= 256)
 833                 field_mask |= SND_LARGESOUND;
 834         if (speed4000 && speed4000 != 4000)
 835                 field_mask |= SND_SPEEDUSHORT4000;
 836
 837 // directed messages go only to the entity they are targeted on
 838         MSG_WriteByte (&sv.datagram, svc_sound);
 839         MSG_WriteByte (&sv.datagram, field_mask);
 840         if (field_mask & SND_VOLUME)
 841                 MSG_WriteByte (&sv.datagram, volume);
 842         if (field_mask & SND_ATTENUATION)
 843                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 844         if (field_mask & SND_SPEEDUSHORT4000)
 845                 MSG_WriteShort (&sv.datagram, speed4000);
 846         // Always write entnum 0 for the world entity
 847         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 848         if (field_mask & SND_LARGESOUND)
 849                 MSG_WriteShort (&sv.datagram, sound_num);
 850         else
 851                 MSG_WriteByte (&sv.datagram, sound_num);
 852         for (i = 0;i < 3;i++)
 853                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 854         SV_FlushBroadcastMessages();
 855 }
 856
 857 /*
 858 ==============================================================================
 859
 860 CLIENT SPAWNING
 861
 862 ==============================================================================
 863 */
 864
 865 /*
 866 ================
 867 SV_SendServerinfo
 868
 869 Sends the first message from the server to a connected client.
 870 This will be sent on the initial connection and upon each server load.
 871 ================
 872 */
 873 void SV_SendServerinfo (client_t *client)
 874 {
 875         int i;
 876         char message[128];
 877
 878         // we know that this client has a netconnection and thus is not a bot
 879
 880         // edicts get reallocated on level changes, so we need to update it here
 881         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 882
 883         // clear cached stuff that depends on the level
 884         client->weaponmodel[0] = 0;
 885         client->weaponmodelindex = 0;
 886
 887         // LordHavoc: clear entityframe tracking
 888         client->latestframenum = 0;
 889
 890         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 891         client->cmd.time = sv.time;
 892
 893         if (client->entitydatabase)
 894                 EntityFrame_FreeDatabase(client->entitydatabase);
 895         if (client->entitydatabase4)
 896                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 897         if (client->entitydatabase5)
 898                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 899
 900         memset(client->stats, 0, sizeof(client->stats));
 901         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 902
 903         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)
 904         {
 905                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 906                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 907                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 908                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 909                 else
 910                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 911         }
 912
 913         // reset csqc entity versions
 914         for (i = 0;i < prog->max_edicts;i++)
 915         {
 916                 client->csqcentityscope[i] = 0;
 917                 client->csqcentitysendflags[i] = 0xFFFFFF;
 918                 client->csqcentityglobalhistory[i] = 0;
 919         }
 920         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 921         {
 922                 client->csqcentityframehistory[i].num = 0;
 923                 client->csqcentityframehistory[i].framenum = -1;
 924         }
 925         client->csqcnumedicts = 0;
 926         client->csqcentityframehistory_next = 0;
 927
 928         SZ_Clear (&client->netconnection->message);
 929         MSG_WriteByte (&client->netconnection->message, svc_print);
 930         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
 931         MSG_WriteString (&client->netconnection->message,message);
 932
 933         SV_StopDemoRecording(client); // to split up demos into different files
 934         if(sv_autodemo_perclient.integer && client->netconnection)
 935         {
 936                 char demofile[MAX_OSPATH];
 937                 char ipaddress[MAX_QPATH];
 938                 size_t i;
 939
 940                 // start a new demo file
 941                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 942                 for(i = 0; ipaddress[i]; ++i)
 943                         if(!isalnum(ipaddress[i]))
 944                                 ipaddress[i] = '-';
 945                 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);
 946
 947                 SV_StartDemoRecording(client, demofile, -1);
 948         }
 949
 950         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 951         if (sv.csqc_progname[0])
 952         {
 953                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 954                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 955                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
 956                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 957                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
 958                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 959                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
 960
 961                 if(client->sv_demo_file != NULL)
 962                 {
 963                         int i;
 964                         static char buf[NET_MAXMESSAGE];
 965                         sizebuf_t sb;
 966
 967                         sb.data = (unsigned char *) buf;
 968                         sb.maxsize = sizeof(buf);
 969                         i = 0;
 970                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
 971                                 SV_WriteDemoMessage(client, &sb, false);
 972                 }
 973
 974                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 975                 if (PRVM_GetString(PRVM_serverglobalstring(SV_InitCmd)))
 976                 {
 977                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 978                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(PRVM_serverglobalstring(SV_InitCmd))));
 979                 }
 980         }
 981
 982         //if (sv_allowdownloads.integer)
 983         // always send the info that the server supports the protocol, even if downloads are forbidden
 984         // only because of that, the CSQC exception can work
 985         {
 986                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 987                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
 988         }
 989
 990         // send at this time so it's guaranteed to get executed at the right time
 991         {
 992                 client_t *save;
 993                 save = host_client;
 994                 host_client = client;
 995                 Curl_SendRequirements();
 996                 host_client = save;
 997         }
 998
 999         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
1000         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
1001         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
1002
1003         if (!coop.integer && deathmatch.integer)
1004                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
1005         else
1006                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
1007
1008         MSG_WriteString (&client->netconnection->message,PRVM_GetString(PRVM_serveredictstring(prog->edicts, message)));
1009
1010         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
1011                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
1012         MSG_WriteByte (&client->netconnection->message, 0);
1013
1014         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
1015                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
1016         MSG_WriteByte (&client->netconnection->message, 0);
1017
1018 // send music
1019         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
1020         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1021         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1022
1023 // set view
1024 // store this in clientcamera, too
1025         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
1026         MSG_WriteByte (&client->netconnection->message, svc_setview);
1027         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
1028
1029         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
1030         MSG_WriteByte (&client->netconnection->message, 1);
1031
1032         client->spawned = false;                // need prespawn, spawn, etc
1033         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
1034
1035         // clear movement info until client enters the new level properly
1036         memset(&client->cmd, 0, sizeof(client->cmd));
1037         client->movesequence = 0;
1038         client->movement_highestsequence_seen = 0;
1039         memset(&client->movement_count, 0, sizeof(client->movement_count));
1040 #ifdef NUM_PING_TIMES
1041         for (i = 0;i < NUM_PING_TIMES;i++)
1042                 client->ping_times[i] = 0;
1043         client->num_pings = 0;
1044 #endif
1045         client->ping = 0;
1046
1047         // allow the client some time to send his keepalives, even if map loading took ages
1048         client->netconnection->timeout = realtime + net_connecttimeout.value;
1049 }
1050
1051 /*
1052 ================
1053 SV_ConnectClient
1054
1055 Initializes a client_t for a new net connection.  This will only be called
1056 once for a player each game, not once for each level change.
1057 ================
1058 */
1059 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
1060 {
1061         client_t                *client;
1062         int                             i;
1063
1064         client = svs.clients + clientnum;
1065
1066 // set up the client_t
1067         if (sv.loadgame)
1068         {
1069                 float backupparms[NUM_SPAWN_PARMS];
1070                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
1071                 memset(client, 0, sizeof(*client));
1072                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
1073         }
1074         else
1075                 memset(client, 0, sizeof(*client));
1076         client->active = true;
1077         client->netconnection = netconnection;
1078
1079         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
1080
1081         if(client->netconnection && client->netconnection->crypto.authenticated)
1082         {
1083                 Con_Printf("%s connection to %s has been established: client is %s@%.*s, I am %.*s@%.*s\n",
1084                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
1085                                 client->netconnection->address,
1086                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
1087                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1088                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1089                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1090                                 );
1091         }
1092
1093         strlcpy(client->name, "unconnected", sizeof(client->name));
1094         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1095         client->spawned = false;
1096         client->edict = PRVM_EDICT_NUM(clientnum+1);
1097         if (client->netconnection)
1098                 client->netconnection->message.allowoverflow = true;            // we can catch it
1099         // prepare the unreliable message buffer
1100         client->unreliablemsg.data = client->unreliablemsg_data;
1101         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1102         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1103         client->rate = 1000000000;
1104         // no limits for local player
1105         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
1106                 client->rate = 1000000000;
1107         client->connecttime = realtime;
1108
1109         if (!sv.loadgame)
1110         {
1111                 // call the progs to get default spawn parms for the new client
1112                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1113                 PRVM_serverglobaledict(self) = 0;
1114                 PRVM_ExecuteProgram (PRVM_serverfunction(SetNewParms), "QC function SetNewParms is missing");
1115                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1116                         client->spawn_parms[i] = (&PRVM_serverglobalfloat(parm1))[i];
1117
1118                 // set up the entity for this client (including .colormap, .team, etc)
1119                 PRVM_ED_ClearEdict(client->edict);
1120         }
1121
1122         // don't call SendServerinfo for a fresh botclient because its fields have
1123         // not been set up by the qc yet
1124         if (client->netconnection)
1125                 SV_SendServerinfo (client);
1126         else
1127                 client->spawned = true;
1128 }
1129
1130
1131 /*
1132 ===============================================================================
1133
1134 FRAME UPDATES
1135
1136 ===============================================================================
1137 */
1138
1139 /*
1140 =============================================================================
1141
1142 The PVS must include a small area around the client to allow head bobbing
1143 or other small motion on the client side.  Otherwise, a bob might cause an
1144 entity that should be visible to not show up, especially when the bob
1145 crosses a waterline.
1146
1147 =============================================================================
1148 */
1149
1150 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1151 {
1152         int i;
1153         unsigned int sendflags;
1154         unsigned int version;
1155         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1156         unsigned int customizeentityforclient;
1157         unsigned int sendentity;
1158         float f;
1159         float *v;
1160         vec3_t cullmins, cullmaxs;
1161         dp_model_t *model;
1162
1163         // fast path for games that do not use legacy entity networking
1164         // note: still networks clients even if they are legacy
1165         sendentity = PRVM_serveredictfunction(ent, SendEntity);
1166         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1167                 return false;
1168
1169         // this 2 billion unit check is actually to detect NAN origins
1170         // (we really don't want to send those)
1171         if (!(VectorLength2(PRVM_serveredictvector(ent, origin)) < 2000000000.0*2000000000.0))
1172                 return false;
1173
1174         // EF_NODRAW prevents sending for any reason except for your own
1175         // client, so we must keep all clients in this superset
1176         effects = (unsigned)PRVM_serveredictfloat(ent, effects);
1177
1178         // we can omit invisible entities with no effects that are not clients
1179         // LordHavoc: this could kill tags attached to an invisible entity, I
1180         // just hope we never have to support that case
1181         i = (int)PRVM_serveredictfloat(ent, modelindex);
1182         modelindex = (i >= 1 && i < MAX_MODELS && PRVM_serveredictstring(ent, model) && *PRVM_GetString(PRVM_serveredictstring(ent, model)) && sv.models[i]) ? i : 0;
1183
1184         flags = 0;
1185         i = (int)(PRVM_serveredictfloat(ent, glow_size) * 0.25f);
1186         glowsize = (unsigned char)bound(0, i, 255);
1187         if (PRVM_serveredictfloat(ent, glow_trail))
1188                 flags |= RENDER_GLOWTRAIL;
1189         if (PRVM_serveredictedict(ent, viewmodelforclient))
1190                 flags |= RENDER_VIEWMODEL;
1191
1192         v = PRVM_serveredictvector(ent, color);
1193         f = v[0]*256;
1194         light[0] = (unsigned short)bound(0, f, 65535);
1195         f = v[1]*256;
1196         light[1] = (unsigned short)bound(0, f, 65535);
1197         f = v[2]*256;
1198         light[2] = (unsigned short)bound(0, f, 65535);
1199         f = PRVM_serveredictfloat(ent, light_lev);
1200         light[3] = (unsigned short)bound(0, f, 65535);
1201         lightstyle = (unsigned char)PRVM_serveredictfloat(ent, style);
1202         lightpflags = (unsigned char)PRVM_serveredictfloat(ent, pflags);
1203
1204         if (gamemode == GAME_TENEBRAE)
1205         {
1206                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1207                 if (effects & 16)
1208                 {
1209                         effects &= ~16;
1210                         lightpflags |= PFLAGS_FULLDYNAMIC;
1211                 }
1212                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1213                 if (effects & 32)
1214                 {
1215                         effects &= ~32;
1216                         light[0] = (int)(0.2*256);
1217                         light[1] = (int)(1.0*256);
1218                         light[2] = (int)(0.2*256);
1219                         light[3] = 200;
1220                         lightpflags |= PFLAGS_FULLDYNAMIC;
1221                 }
1222         }
1223
1224         specialvisibilityradius = 0;
1225         if (lightpflags & PFLAGS_FULLDYNAMIC)
1226                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1227         if (glowsize)
1228                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1229         if (flags & RENDER_GLOWTRAIL)
1230                 specialvisibilityradius = max(specialvisibilityradius, 100);
1231         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1232         {
1233                 if (effects & EF_BRIGHTFIELD)
1234                         specialvisibilityradius = max(specialvisibilityradius, 80);
1235                 if (effects & EF_MUZZLEFLASH)
1236                         specialvisibilityradius = max(specialvisibilityradius, 100);
1237                 if (effects & EF_BRIGHTLIGHT)
1238                         specialvisibilityradius = max(specialvisibilityradius, 400);
1239                 if (effects & EF_DIMLIGHT)
1240                         specialvisibilityradius = max(specialvisibilityradius, 200);
1241                 if (effects & EF_RED)
1242                         specialvisibilityradius = max(specialvisibilityradius, 200);
1243                 if (effects & EF_BLUE)
1244                         specialvisibilityradius = max(specialvisibilityradius, 200);
1245                 if (effects & EF_FLAME)
1246                         specialvisibilityradius = max(specialvisibilityradius, 250);
1247                 if (effects & EF_STARDUST)
1248                         specialvisibilityradius = max(specialvisibilityradius, 100);
1249         }
1250
1251         // early culling checks
1252         // (final culling is done by SV_MarkWriteEntityStateToClient)
1253         customizeentityforclient = PRVM_serveredictfunction(ent, customizeentityforclient);
1254         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1255                 return false;
1256
1257         *cs = defaultstate;
1258         cs->active = ACTIVE_NETWORK;
1259         cs->number = enumber;
1260         VectorCopy(PRVM_serveredictvector(ent, origin), cs->origin);
1261         VectorCopy(PRVM_serveredictvector(ent, angles), cs->angles);
1262         cs->flags = flags;
1263         cs->effects = effects;
1264         cs->colormap = (unsigned)PRVM_serveredictfloat(ent, colormap);
1265         cs->modelindex = modelindex;
1266         cs->skin = (unsigned)PRVM_serveredictfloat(ent, skin);
1267         cs->frame = (unsigned)PRVM_serveredictfloat(ent, frame);
1268         cs->viewmodelforclient = PRVM_serveredictedict(ent, viewmodelforclient);
1269         cs->exteriormodelforclient = PRVM_serveredictedict(ent, exteriormodeltoclient);
1270         cs->nodrawtoclient = PRVM_serveredictedict(ent, nodrawtoclient);
1271         cs->drawonlytoclient = PRVM_serveredictedict(ent, drawonlytoclient);
1272         cs->customizeentityforclient = customizeentityforclient;
1273         cs->tagentity = PRVM_serveredictedict(ent, tag_entity);
1274         cs->tagindex = (unsigned char)PRVM_serveredictfloat(ent, tag_index);
1275         cs->glowsize = glowsize;
1276         cs->traileffectnum = PRVM_serveredictfloat(ent, traileffectnum);
1277
1278         // don't need to init cs->colormod because the defaultstate did that for us
1279         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1280         v = PRVM_serveredictvector(ent, colormod);
1281         if (VectorLength2(v))
1282         {
1283                 i = (int)(v[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1284                 i = (int)(v[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1285                 i = (int)(v[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1286         }
1287
1288         // don't need to init cs->glowmod because the defaultstate did that for us
1289         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1290         v = PRVM_serveredictvector(ent, glowmod);
1291         if (VectorLength2(v))
1292         {
1293                 i = (int)(v[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1294                 i = (int)(v[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1295                 i = (int)(v[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1296         }
1297
1298         cs->modelindex = modelindex;
1299
1300         cs->alpha = 255;
1301         f = (PRVM_serveredictfloat(ent, alpha) * 255.0f);
1302         if (f)
1303         {
1304                 i = (int)f;
1305                 cs->alpha = (unsigned char)bound(0, i, 255);
1306         }
1307         // halflife
1308         f = (PRVM_serveredictfloat(ent, renderamt));
1309         if (f)
1310         {
1311                 i = (int)f;
1312                 cs->alpha = (unsigned char)bound(0, i, 255);
1313         }
1314
1315         cs->scale = 16;
1316         f = (PRVM_serveredictfloat(ent, scale) * 16.0f);
1317         if (f)
1318         {
1319                 i = (int)f;
1320                 cs->scale = (unsigned char)bound(0, i, 255);
1321         }
1322
1323         cs->glowcolor = 254;
1324         f = PRVM_serveredictfloat(ent, glow_color);
1325         if (f)
1326                 cs->glowcolor = (int)f;
1327
1328         if (PRVM_serveredictfloat(ent, fullbright))
1329                 cs->effects |= EF_FULLBRIGHT;
1330
1331         f = PRVM_serveredictfloat(ent, modelflags);
1332         if (f)
1333                 cs->effects |= ((unsigned int)f & 0xff) << 24;
1334
1335         if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
1336                 cs->flags |= RENDER_STEP;
1337         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)
1338                 cs->flags |= RENDER_LOWPRECISION;
1339         if (PRVM_serveredictfloat(ent, colormap) >= 1024)
1340                 cs->flags |= RENDER_COLORMAPPED;
1341         if (cs->viewmodelforclient)
1342                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1343
1344         if (PRVM_serveredictfloat(ent, sendcomplexanimation))
1345         {
1346                 cs->flags |= RENDER_COMPLEXANIMATION;
1347                 if (PRVM_serveredictfloat(ent, skeletonindex) >= 1)
1348                         cs->skeletonobject = ent->priv.server->skeleton;
1349                 cs->framegroupblend[0].frame = PRVM_serveredictfloat(ent, frame);
1350                 cs->framegroupblend[1].frame = PRVM_serveredictfloat(ent, frame2);
1351                 cs->framegroupblend[2].frame = PRVM_serveredictfloat(ent, frame3);
1352                 cs->framegroupblend[3].frame = PRVM_serveredictfloat(ent, frame4);
1353                 cs->framegroupblend[0].start = PRVM_serveredictfloat(ent, frame1time);
1354                 cs->framegroupblend[1].start = PRVM_serveredictfloat(ent, frame2time);
1355                 cs->framegroupblend[2].start = PRVM_serveredictfloat(ent, frame3time);
1356                 cs->framegroupblend[3].start = PRVM_serveredictfloat(ent, frame4time);
1357                 cs->framegroupblend[1].lerp = PRVM_serveredictfloat(ent, lerpfrac);
1358                 cs->framegroupblend[2].lerp = PRVM_serveredictfloat(ent, lerpfrac3);
1359                 cs->framegroupblend[3].lerp = PRVM_serveredictfloat(ent, lerpfrac4);
1360                 cs->framegroupblend[0].lerp = 1.0f - cs->framegroupblend[1].lerp - cs->framegroupblend[2].lerp - cs->framegroupblend[3].lerp;
1361         }
1362
1363         cs->light[0] = light[0];
1364         cs->light[1] = light[1];
1365         cs->light[2] = light[2];
1366         cs->light[3] = light[3];
1367         cs->lightstyle = lightstyle;
1368         cs->lightpflags = lightpflags;
1369
1370         cs->specialvisibilityradius = specialvisibilityradius;
1371
1372         // calculate the visible box of this entity (don't use the physics box
1373         // as that is often smaller than a model, and would not count
1374         // specialvisibilityradius)
1375         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1376         {
1377                 float scale = cs->scale * (1.0f / 16.0f);
1378                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1379                 {
1380                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1381                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1382                 }
1383                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1384                 {
1385                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1386                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1387                 }
1388                 else
1389                 {
1390                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1391                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1392                 }
1393         }
1394         else
1395         {
1396                 // if there is no model (or it could not be loaded), use the physics box
1397                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, mins), cullmins);
1398                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, maxs), cullmaxs);
1399         }
1400         if (specialvisibilityradius)
1401         {
1402                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1403                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1404                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1405                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1406                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1407                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1408         }
1409
1410         // calculate center of bbox for network prioritization purposes
1411         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1412
1413         // if culling box has moved, update pvs cluster links
1414         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1415         {
1416                 VectorCopy(cullmins, ent->priv.server->cullmins);
1417                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1418                 // a value of -1 for pvs_numclusters indicates that the links are not
1419                 // cached, and should be re-tested each time, this is the case if the
1420                 // culling box touches too many pvs clusters to store, or if the world
1421                 // model does not support FindBoxClusters
1422                 ent->priv.server->pvs_numclusters = -1;
1423                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1424                 {
1425                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1426                         if (i <= MAX_ENTITYCLUSTERS)
1427                                 ent->priv.server->pvs_numclusters = i;
1428                 }
1429         }
1430
1431         // we need to do some csqc entity upkeep here
1432         // get self.SendFlags and clear them
1433         // (to let the QC know that they've been read)
1434         if (sendentity)
1435         {
1436                 sendflags = (unsigned int)PRVM_serveredictfloat(ent, SendFlags);
1437                 PRVM_serveredictfloat(ent, SendFlags) = 0;
1438                 // legacy self.Version system
1439                 if ((version = (unsigned int)PRVM_serveredictfloat(ent, Version)))
1440                 {
1441                         if (sv.csqcentityversion[enumber] != version)
1442                                 sendflags = 0xFFFFFF;
1443                         sv.csqcentityversion[enumber] = version;
1444                 }
1445                 // move sendflags into the per-client sendflags
1446                 if (sendflags)
1447                         for (i = 0;i < svs.maxclients;i++)
1448                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1449                 // mark it as inactive for non-csqc networking
1450                 cs->active = ACTIVE_SHARED;
1451         }
1452
1453         return true;
1454 }
1455
1456 void SV_PrepareEntitiesForSending(void)
1457 {
1458         int e;
1459         prvm_edict_t *ent;
1460         // send all entities that touch the pvs
1461         sv.numsendentities = 0;
1462         sv.sendentitiesindex[0] = NULL;
1463         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1464         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1465         {
1466                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1467                 {
1468                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1469                         sv.numsendentities++;
1470                 }
1471         }
1472 }
1473
1474 #define MAX_LINEOFSIGHTTRACES 64
1475
1476 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1477 {
1478         float pitchsign;
1479         float alpha;
1480         float starttransformed[3], endtransformed[3];
1481         int blocked = 0;
1482         int traceindex;
1483         int originalnumtouchedicts;
1484         int numtouchedicts = 0;
1485         int touchindex;
1486         matrix4x4_t matrix, imatrix;
1487         dp_model_t *model;
1488         prvm_edict_t *touch;
1489         static prvm_edict_t *touchedicts[MAX_EDICTS];
1490         vec3_t boxmins, boxmaxs;
1491         vec3_t clipboxmins, clipboxmaxs;
1492         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1493
1494         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1495
1496         // expand the box a little
1497         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1498         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1499         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1500         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1501         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1502         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1503
1504         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1505         for (traceindex = 1;traceindex < numtraces;traceindex++)
1506                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1507
1508         // calculate sweep box for the entire swarm of traces
1509         VectorCopy(eye, clipboxmins);
1510         VectorCopy(eye, clipboxmaxs);
1511         for (traceindex = 0;traceindex < numtraces;traceindex++)
1512         {
1513                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1514                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1515                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1516                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1517                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1518                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1519         }
1520
1521         // get the list of entities in the sweep box
1522         if (sv_cullentities_trace_entityocclusion.integer)
1523                 numtouchedicts = SV_EntitiesInBox(clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1524         if (numtouchedicts > MAX_EDICTS)
1525         {
1526                 // this never happens
1527                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1528                 numtouchedicts = MAX_EDICTS;
1529         }
1530         // iterate the entities found in the sweep box and filter them
1531         originalnumtouchedicts = numtouchedicts;
1532         numtouchedicts = 0;
1533         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1534         {
1535                 touch = touchedicts[touchindex];
1536                 if (PRVM_serveredictfloat(touch, solid) != SOLID_BSP)
1537                         continue;
1538                 model = SV_GetModelFromEdict(touch);
1539                 if (!model || !model->brush.TraceLineOfSight)
1540                         continue;
1541                 // skip obviously transparent entities
1542                 alpha = PRVM_serveredictfloat(touch, alpha);
1543                 if (alpha && alpha < 1)
1544                         continue;
1545                 if ((int)PRVM_serveredictfloat(touch, effects) & EF_ADDITIVE)
1546                         continue;
1547                 touchedicts[numtouchedicts++] = touch;
1548         }
1549
1550         // now that we have a filtered list of "interesting" entities, fire each
1551         // ray against all of them, this gives us an early-out case when something
1552         // is visible (which it often is)
1553
1554         for (traceindex = 0;traceindex < numtraces;traceindex++)
1555         {
1556                 // check world occlusion
1557                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1558                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1559                                 continue;
1560                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1561                 {
1562                         touch = touchedicts[touchindex];
1563                         model = SV_GetModelFromEdict(touch);
1564                         if(model && model->brush.TraceLineOfSight)
1565                         {
1566                                 // get the entity matrix
1567                                 pitchsign = SV_GetPitchSign(touch);
1568                                 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);
1569                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1570                                 // see if the ray hits this entity
1571                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1572                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1573                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1574                                 {
1575                                         blocked++;
1576                                         break;
1577                                 }
1578                         }
1579                 }
1580                 // check if the ray was blocked
1581                 if (touchindex < numtouchedicts)
1582                         continue;
1583                 // return if the ray was not blocked
1584                 return true;
1585         }
1586
1587         // no rays survived
1588         return false;
1589 }
1590
1591 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1592 {
1593         int isbmodel;
1594         dp_model_t *model;
1595         prvm_edict_t *ed;
1596         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1597                 return;
1598         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1599         sv.writeentitiestoclient_stats_totalentities++;
1600
1601         if (s->customizeentityforclient)
1602         {
1603                 PRVM_serverglobaledict(self) = s->number;
1604                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1605                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1606                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1607                         return;
1608         }
1609
1610         // never reject player
1611         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1612         {
1613                 // check various rejection conditions
1614                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1615                         return;
1616                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1617                         return;
1618                 if (s->effects & EF_NODRAW)
1619                         return;
1620                 // LordHavoc: only send entities with a model or important effects
1621                 if (!s->modelindex && s->specialvisibilityradius == 0)
1622                         return;
1623
1624                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1625                 // viewmodels don't have visibility checking
1626                 if (s->viewmodelforclient)
1627                 {
1628                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1629                                 return;
1630                 }
1631                 else if (s->tagentity)
1632                 {
1633                         // tag attached entities simply check their parent
1634                         if (!sv.sendentitiesindex[s->tagentity])
1635                                 return;
1636                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1637                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1638                                 return;
1639                 }
1640                 // always send world submodels in newer protocols because they don't
1641                 // generate much traffic (in old protocols they hog bandwidth)
1642                 // but only if sv_cullentities_nevercullbmodels is off
1643                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1644                 {
1645                         // entity has survived every check so far, check if visible
1646                         ed = PRVM_EDICT_NUM(s->number);
1647
1648                         // if not touching a visible leaf
1649                         if (sv_cullentities_pvs.integer && !r_novis.integer && !r_trippy.integer && sv.writeentitiestoclient_pvsbytes)
1650                         {
1651                                 if (ed->priv.server->pvs_numclusters < 0)
1652                                 {
1653                                         // entity too big for clusters list
1654                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1655                                         {
1656                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1657                                                 return;
1658                                         }
1659                                 }
1660                                 else
1661                                 {
1662                                         int i;
1663                                         // check cached clusters list
1664                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1665                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1666                                                         break;
1667                                         if (i == ed->priv.server->pvs_numclusters)
1668                                         {
1669                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1670                                                 return;
1671                                         }
1672                                 }
1673                         }
1674
1675                         // or not seen by random tracelines
1676                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight && !r_trippy.integer)
1677                         {
1678                                 int samples =
1679                                         s->number <= svs.maxclients
1680                                                 ? sv_cullentities_trace_samples_players.integer
1681                                                 :
1682                                         s->specialvisibilityradius
1683                                                 ? sv_cullentities_trace_samples_extra.integer
1684                                                 : sv_cullentities_trace_samples.integer;
1685                                 float enlarge = sv_cullentities_trace_enlarge.value;
1686
1687                                 if(samples > 0)
1688                                 {
1689                                         int eyeindex;
1690                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1691                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1692                                                         break;
1693                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1694                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1695                                                         realtime + (
1696                                                                 s->number <= svs.maxclients
1697                                                                         ? sv_cullentities_trace_delay_players.value
1698                                                                         : sv_cullentities_trace_delay.value
1699                                                         );
1700                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1701                                         {
1702                                                 sv.writeentitiestoclient_stats_culled_trace++;
1703                                                 return;
1704                                         }
1705                                 }
1706                         }
1707                 }
1708         }
1709
1710         // this just marks it for sending
1711         // FIXME: it would be more efficient to send here, but the entity
1712         // compressor isn't that flexible
1713         sv.writeentitiestoclient_stats_visibleentities++;
1714         sv.sententities[s->number] = sv.sententitiesmark;
1715 }
1716
1717 #if MAX_LEVELNETWORKEYES > 0
1718 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1719 void SV_AddCameraEyes(void)
1720 {
1721         int e, i, j, k;
1722         prvm_edict_t *ed;
1723         static int cameras[MAX_LEVELNETWORKEYES];
1724         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1725         static int eye_levels[MAX_CLIENTNETWORKEYES];
1726         int n_cameras = 0;
1727         vec3_t mi, ma;
1728
1729         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1730                 eye_levels[i] = 0;
1731
1732         // check line of sight to portal entities and add them to PVS
1733         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1734         {
1735                 if (!ed->priv.server->free)
1736                 {
1737                         if(PRVM_serveredictfunction(ed, camera_transform))
1738                         {
1739                                 PRVM_serverglobaledict(self) = e;
1740                                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1741                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_serverglobalvector(trace_endpos));
1742                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1743                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1744                                 PRVM_ExecuteProgram(PRVM_serveredictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1745                                 if(!VectorCompare(PRVM_serverglobalvector(trace_endpos), sv.writeentitiestoclient_eyes[0]))
1746                                 {
1747                                         VectorCopy(PRVM_serverglobalvector(trace_endpos), camera_origins[n_cameras]);
1748                                         cameras[n_cameras] = e;
1749                                         ++n_cameras;
1750                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1751                                                 break;
1752                                 }
1753                         }
1754                 }
1755         }
1756
1757         if(!n_cameras)
1758                 return;
1759
1760         // i is loop counter, is reset to 0 when an eye got added
1761         // j is camera index to check
1762         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1763         {
1764                 if(!cameras[j])
1765                         continue;
1766                 ed = PRVM_EDICT_NUM(cameras[j]);
1767                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, mins), mi);
1768                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, maxs), ma);
1769                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1770                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1771                 {
1772                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1773                         {
1774                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1775                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1776                                 // 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);
1777                                 sv.writeentitiestoclient_numeyes++;
1778                                 cameras[j] = 0;
1779                                 i = 0;
1780                                 break;
1781                         }
1782                 }
1783         }
1784 }
1785 #else
1786 void SV_AddCameraEyes(void)
1787 {
1788 }
1789 #endif
1790
1791 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1792 {
1793         qboolean need_empty = false;
1794         int i, numsendstates, numcsqcsendstates;
1795         entity_state_t *s;
1796         prvm_edict_t *camera;
1797         qboolean success;
1798         vec3_t eye;
1799
1800         // if there isn't enough space to accomplish anything, skip it
1801         if (msg->cursize + 25 > maxsize)
1802                 return;
1803
1804         sv.writeentitiestoclient_msg = msg;
1805         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1806
1807         sv.writeentitiestoclient_stats_culled_pvs = 0;
1808         sv.writeentitiestoclient_stats_culled_trace = 0;
1809         sv.writeentitiestoclient_stats_visibleentities = 0;
1810         sv.writeentitiestoclient_stats_totalentities = 0;
1811         sv.writeentitiestoclient_numeyes = 0;
1812
1813         // get eye location
1814         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1815         camera = PRVM_EDICT_NUM( client->clientcamera );
1816         VectorAdd(PRVM_serveredictvector(camera, origin), PRVM_serveredictvector(clent, view_ofs), eye);
1817         sv.writeentitiestoclient_pvsbytes = 0;
1818         // get the PVS values for the eye location, later FatPVS calls will merge
1819         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1820                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1821
1822         // add the eye to a list for SV_CanSeeBox tests
1823         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1824         sv.writeentitiestoclient_numeyes++;
1825
1826         // calculate predicted eye origin for SV_CanSeeBox tests
1827         if (sv_cullentities_trace_prediction.integer)
1828         {
1829                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1830                 vec3_t predeye;
1831                 VectorMA(eye, predtime, PRVM_serveredictvector(camera, velocity), predeye);
1832                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1833                 {
1834                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1835                         sv.writeentitiestoclient_numeyes++;
1836                 }
1837                 //if (!sv.writeentitiestoclient_useprediction)
1838                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1839         }
1840
1841         SV_AddCameraEyes();
1842
1843         // build PVS from the new eyes
1844         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1845                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1846                         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);
1847
1848         sv.sententitiesmark++;
1849
1850         for (i = 0;i < sv.numsendentities;i++)
1851                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1852
1853         numsendstates = 0;
1854         numcsqcsendstates = 0;
1855         for (i = 0;i < sv.numsendentities;i++)
1856         {
1857                 s = &sv.sendentities[i];
1858                 if (sv.sententities[s->number] == sv.sententitiesmark)
1859                 {
1860                         if(s->active == ACTIVE_NETWORK)
1861                         {
1862                                 if (s->exteriormodelforclient)
1863                                 {
1864                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1865                                                 s->flags |= RENDER_EXTERIORMODEL;
1866                                         else
1867                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1868                                 }
1869                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1870                         }
1871                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1872                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1873                         else
1874                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1875                 }
1876         }
1877
1878         if (sv_cullentities_stats.integer)
1879                 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);
1880
1881         if(client->entitydatabase5)
1882                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1883         else
1884                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1885
1886         if(client->num_skippedentityframes >= 10)
1887                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1888
1889         if (client->entitydatabase5)
1890                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1891         else if (client->entitydatabase4)
1892         {
1893                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1894                 Protocol_WriteStatsReliable();
1895         }
1896         else if (client->entitydatabase)
1897         {
1898                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1899                 Protocol_WriteStatsReliable();
1900         }
1901         else
1902         {
1903                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1904                 Protocol_WriteStatsReliable();
1905         }
1906
1907         if(success)
1908                 client->num_skippedentityframes = 0;
1909         else
1910                 ++client->num_skippedentityframes;
1911 }
1912
1913 /*
1914 =============
1915 SV_CleanupEnts
1916
1917 =============
1918 */
1919 static void SV_CleanupEnts (void)
1920 {
1921         int             e;
1922         prvm_edict_t    *ent;
1923
1924         ent = PRVM_NEXT_EDICT(prog->edicts);
1925         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1926                 PRVM_serveredictfloat(ent, effects) = (int)PRVM_serveredictfloat(ent, effects) & ~EF_MUZZLEFLASH;
1927 }
1928
1929 /*
1930 ==================
1931 SV_WriteClientdataToMessage
1932
1933 ==================
1934 */
1935 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1936 {
1937         int             bits;
1938         int             i;
1939         prvm_edict_t    *other;
1940         int             items;
1941         vec3_t  punchvector;
1942         int             viewzoom;
1943         const char *s;
1944         float   *statsf = (float *)stats;
1945         float gravity;
1946
1947 //
1948 // send a damage message
1949 //
1950         if (PRVM_serveredictfloat(ent, dmg_take) || PRVM_serveredictfloat(ent, dmg_save))
1951         {
1952                 other = PRVM_PROG_TO_EDICT(PRVM_serveredictedict(ent, dmg_inflictor));
1953                 MSG_WriteByte (msg, svc_damage);
1954                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_save));
1955                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_take));
1956                 for (i=0 ; i<3 ; i++)
1957                         MSG_WriteCoord (msg, PRVM_serveredictvector(other, origin)[i] + 0.5*(PRVM_serveredictvector(other, mins)[i] + PRVM_serveredictvector(other, maxs)[i]), sv.protocol);
1958
1959                 PRVM_serveredictfloat(ent, dmg_take) = 0;
1960                 PRVM_serveredictfloat(ent, dmg_save) = 0;
1961         }
1962
1963 //
1964 // send the current viewpos offset from the view entity
1965 //
1966         SV_SetIdealPitch ();            // how much to look up / down ideally
1967
1968 // a fixangle might get lost in a dropped packet.  Oh well.
1969         if(PRVM_serveredictfloat(ent, fixangle))
1970         {
1971                 // angle fixing was requested by global thinking code...
1972                 // so store the current angles for later use
1973                 memcpy(host_client->fixangle_angles, PRVM_serveredictvector(ent, angles), sizeof(host_client->fixangle_angles));
1974                 host_client->fixangle_angles_set = TRUE;
1975
1976                 // and clear fixangle for the next frame
1977                 PRVM_serveredictfloat(ent, fixangle) = 0;
1978         }
1979
1980         if (host_client->fixangle_angles_set)
1981         {
1982                 MSG_WriteByte (msg, svc_setangle);
1983                 for (i=0 ; i < 3 ; i++)
1984                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1985                 host_client->fixangle_angles_set = FALSE;
1986         }
1987
1988         // stuff the sigil bits into the high bits of items for sbar, or else
1989         // mix in items2
1990         // LordHavoc: detecting items2 turned out to be tricky, check if the field
1991         // was forcefully declared, we want to override serverflags if it was
1992         // declared by the qc intentionally, but not if we added it in the engine.
1993         if (prog->fieldoffsets.items2 < (int)(prog->numfielddefs - SV_REQGLOBALS))
1994                 items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serveredictfloat(ent, items2) << 23);
1995         else
1996                 items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serverglobalfloat(serverflags) << 28);
1997
1998         VectorCopy(PRVM_serveredictvector(ent, punchvector), punchvector);
1999
2000         // cache weapon model name and index in client struct to save time
2001         // (this search can be almost 1% of cpu time!)
2002         s = PRVM_GetString(PRVM_serveredictstring(ent, weaponmodel));
2003         if (strcmp(s, client->weaponmodel))
2004         {
2005                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
2006                 client->weaponmodelindex = SV_ModelIndex(s, 1);
2007         }
2008
2009         viewzoom = (int)(PRVM_serveredictfloat(ent, viewzoom) * 255.0f);
2010         if (viewzoom == 0)
2011                 viewzoom = 255;
2012
2013         bits = 0;
2014
2015         if ((int)PRVM_serveredictfloat(ent, flags) & FL_ONGROUND)
2016                 bits |= SU_ONGROUND;
2017         if (PRVM_serveredictfloat(ent, waterlevel) >= 2)
2018                 bits |= SU_INWATER;
2019         if (PRVM_serveredictfloat(ent, idealpitch))
2020                 bits |= SU_IDEALPITCH;
2021
2022         for (i=0 ; i<3 ; i++)
2023         {
2024                 if (PRVM_serveredictvector(ent, punchangle)[i])
2025                         bits |= (SU_PUNCH1<<i);
2026                 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)
2027                         if (punchvector[i])
2028                                 bits |= (SU_PUNCHVEC1<<i);
2029                 if (PRVM_serveredictvector(ent, velocity)[i])
2030                         bits |= (SU_VELOCITY1<<i);
2031         }
2032
2033         gravity = PRVM_serveredictfloat(ent, gravity);if (!gravity) gravity = 1.0f;
2034
2035         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
2036         stats[STAT_VIEWHEIGHT] = (int)PRVM_serveredictvector(ent, view_ofs)[2];
2037         stats[STAT_ITEMS] = items;
2038         stats[STAT_WEAPONFRAME] = (int)PRVM_serveredictfloat(ent, weaponframe);
2039         stats[STAT_ARMOR] = (int)PRVM_serveredictfloat(ent, armorvalue);
2040         stats[STAT_WEAPON] = client->weaponmodelindex;
2041         stats[STAT_HEALTH] = (int)PRVM_serveredictfloat(ent, health);
2042         stats[STAT_AMMO] = (int)PRVM_serveredictfloat(ent, currentammo);
2043         stats[STAT_SHELLS] = (int)PRVM_serveredictfloat(ent, ammo_shells);
2044         stats[STAT_NAILS] = (int)PRVM_serveredictfloat(ent, ammo_nails);
2045         stats[STAT_ROCKETS] = (int)PRVM_serveredictfloat(ent, ammo_rockets);
2046         stats[STAT_CELLS] = (int)PRVM_serveredictfloat(ent, ammo_cells);
2047         stats[STAT_ACTIVEWEAPON] = (int)PRVM_serveredictfloat(ent, weapon);
2048         stats[STAT_VIEWZOOM] = viewzoom;
2049         stats[STAT_TOTALSECRETS] = (int)PRVM_serverglobalfloat(total_secrets);
2050         stats[STAT_TOTALMONSTERS] = (int)PRVM_serverglobalfloat(total_monsters);
2051         // the QC bumps these itself by sending svc_'s, so we have to keep them
2052         // zero or they'll be corrected by the engine
2053         //stats[STAT_SECRETS] = PRVM_serverglobalfloat(found_secrets);
2054         //stats[STAT_MONSTERS] = PRVM_serverglobalfloat(killed_monsters);
2055
2056         // movement settings for prediction
2057         // note: these are not sent in protocols with lower MAX_CL_STATS limits
2058         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
2059                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
2060                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
2061                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
2062         ;
2063         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
2064         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
2065         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
2066         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
2067         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
2068         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
2069         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
2070         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
2071         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
2072         statsf[STAT_MOVEVARS_ENTGRAVITY] = gravity;
2073         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
2074         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
2075         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
2076         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
2077         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
2078         statsf[STAT_MOVEVARS_AIRACCEL_QW_STRETCHFACTOR] = sv_airaccel_qw_stretchfactor.value;
2079         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
2080         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
2081         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
2082         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
2083         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
2084         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
2085         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
2086         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
2087         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
2088         statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
2089         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
2090         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
2091         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2092         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2093         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2094         statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2095         statsf[STAT_FRAGLIMIT] = fraglimit.value;
2096         statsf[STAT_TIMELIMIT] = timelimit.value;
2097
2098         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2099         {
2100                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2101                 bits |= SU_ITEMS;
2102                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2103                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2104                 bits |= SU_WEAPON;
2105                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2106                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2107                         if (viewzoom != 255)
2108                                 bits |= SU_VIEWZOOM;
2109         }
2110
2111         if (bits >= 65536)
2112                 bits |= SU_EXTEND1;
2113         if (bits >= 16777216)
2114                 bits |= SU_EXTEND2;
2115
2116         // send the data
2117         MSG_WriteByte (msg, svc_clientdata);
2118         MSG_WriteShort (msg, bits);
2119         if (bits & SU_EXTEND1)
2120                 MSG_WriteByte(msg, bits >> 16);
2121         if (bits & SU_EXTEND2)
2122                 MSG_WriteByte(msg, bits >> 24);
2123
2124         if (bits & SU_VIEWHEIGHT)
2125                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2126
2127         if (bits & SU_IDEALPITCH)
2128                 MSG_WriteChar (msg, (int)PRVM_serveredictfloat(ent, idealpitch));
2129
2130         for (i=0 ; i<3 ; i++)
2131         {
2132                 if (bits & (SU_PUNCH1<<i))
2133                 {
2134                         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)
2135                                 MSG_WriteChar(msg, (int)PRVM_serveredictvector(ent, punchangle)[i]);
2136                         else
2137                                 MSG_WriteAngle16i(msg, PRVM_serveredictvector(ent, punchangle)[i]);
2138                 }
2139                 if (bits & (SU_PUNCHVEC1<<i))
2140                 {
2141                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2142                                 MSG_WriteCoord16i(msg, punchvector[i]);
2143                         else
2144                                 MSG_WriteCoord32f(msg, punchvector[i]);
2145                 }
2146                 if (bits & (SU_VELOCITY1<<i))
2147                 {
2148                         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)
2149                                 MSG_WriteChar(msg, (int)(PRVM_serveredictvector(ent, velocity)[i] * (1.0f / 16.0f)));
2150                         else
2151                                 MSG_WriteCoord32f(msg, PRVM_serveredictvector(ent, velocity)[i]);
2152                 }
2153         }
2154
2155         if (bits & SU_ITEMS)
2156                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2157
2158         if (sv.protocol == PROTOCOL_DARKPLACES5)
2159         {
2160                 if (bits & SU_WEAPONFRAME)
2161                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2162                 if (bits & SU_ARMOR)
2163                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2164                 if (bits & SU_WEAPON)
2165                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2166                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2167                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2168                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2169                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2170                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2171                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2172                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2173                 if (bits & SU_VIEWZOOM)
2174                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2175         }
2176         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)
2177         {
2178                 if (bits & SU_WEAPONFRAME)
2179                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2180                 if (bits & SU_ARMOR)
2181                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2182                 if (bits & SU_WEAPON)
2183                 {
2184                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2185                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2186                         else
2187                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2188                 }
2189                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2190                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2191                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2192                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2193                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2194                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2195                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
2196                 {
2197                         for (i = 0;i < 32;i++)
2198                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2199                                         break;
2200                         MSG_WriteByte (msg, i);
2201                 }
2202                 else
2203                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2204                 if (bits & SU_VIEWZOOM)
2205                 {
2206                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2207                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2208                         else
2209                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2210                 }
2211         }
2212 }
2213
2214 void SV_FlushBroadcastMessages(void)
2215 {
2216         int i;
2217         client_t *client;
2218         if (sv.datagram.cursize <= 0)
2219                 return;
2220         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2221         {
2222                 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])))
2223                         continue;
2224                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2225                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2226         }
2227         SZ_Clear(&sv.datagram);
2228 }
2229
2230 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2231 {
2232         // scan the splitpoints to find out how many we can fit in
2233         int numsegments, j, split;
2234         if (!client->unreliablemsg_splitpoints)
2235                 return;
2236         // always accept the first one if it's within 1024 bytes, this ensures
2237         // that very big datagrams which are over the rate limit still get
2238         // through, just to keep it working
2239         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2240                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2241                         break;
2242         // the first segment gets an exemption from the rate limiting, otherwise
2243         // it could get dropped consistently due to a low rate limit
2244         if (numsegments == 1)
2245                 maxsize = maxsize2;
2246         // some will fit, so add the ones that will fit
2247         split = client->unreliablemsg_splitpoint[numsegments-1];
2248         // note this discards ones that were accepted by the segments scan but
2249         // can not fit, such as a really huge first one that will never ever
2250         // fit in a packet...
2251         if (msg->cursize + split <= maxsize)
2252                 SZ_Write(msg, client->unreliablemsg.data, split);
2253         // remove the part we sent, keeping any remaining data
2254         client->unreliablemsg.cursize -= split;
2255         if (client->unreliablemsg.cursize > 0)
2256                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2257         // adjust remaining splitpoints
2258         client->unreliablemsg_splitpoints -= numsegments;
2259         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2260                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2261 }
2262
2263 /*
2264 =======================
2265 SV_SendClientDatagram
2266 =======================
2267 */
2268 static void SV_SendClientDatagram (client_t *client)
2269 {
2270         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2271         sizebuf_t msg;
2272         int stats[MAX_CL_STATS];
2273         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2274
2275         // obey rate limit by limiting packet frequency if the packet size
2276         // limiting fails
2277         // (usually this is caused by reliable messages)
2278         if (!NetConn_CanSend(client->netconnection))
2279                 return;
2280
2281         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2282         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2283         if (sv_maxrate.integer != maxrate)
2284                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2285
2286         // clientrate determines the 'cleartime' of a packet
2287         // (how long to wait before sending another, based on this packet's size)
2288         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2289
2290         switch (sv.protocol)
2291         {
2292         case PROTOCOL_QUAKE:
2293         case PROTOCOL_QUAKEDP:
2294         case PROTOCOL_NEHAHRAMOVIE:
2295         case PROTOCOL_NEHAHRABJP:
2296         case PROTOCOL_NEHAHRABJP2:
2297         case PROTOCOL_NEHAHRABJP3:
2298         case PROTOCOL_QUAKEWORLD:
2299                 // no packet size limit support on Quake protocols because it just
2300                 // causes missing entities/effects
2301                 // packets are simply sent less often to obey the rate limit
2302                 maxsize = 1024;
2303                 maxsize2 = 1024;
2304                 break;
2305         case PROTOCOL_DARKPLACES1:
2306         case PROTOCOL_DARKPLACES2:
2307         case PROTOCOL_DARKPLACES3:
2308         case PROTOCOL_DARKPLACES4:
2309                 // no packet size limit support on DP1-4 protocols because they kick
2310                 // the client off if they overflow, and miss effects
2311                 // packets are simply sent less often to obey the rate limit
2312                 maxsize = sizeof(sv_sendclientdatagram_buf);
2313                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2314                 break;
2315         default:
2316                 // DP5 and later protocols support packet size limiting which is a
2317                 // better method than limiting packet frequency as QW does
2318                 //
2319                 // at very low rates (or very small sys_ticrate) the packet size is
2320                 // not reduced below 128, but packets may be sent less often
2321                 maxsize = (int)(clientrate * sys_ticrate.value);
2322                 maxsize = bound(128, maxsize, 1400);
2323                 maxsize2 = 1400;
2324                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2325                 // mods that use csqc (they are likely to use less bandwidth anyway)
2326                 if (sv.csqc_progsize > 0)
2327                         maxsize = maxsize2;
2328                 break;
2329         }
2330
2331         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2332         {
2333                 // for good singleplayer, send huge packets
2334                 maxsize = sizeof(sv_sendclientdatagram_buf);
2335                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2336                 // never limit frequency in singleplayer
2337                 clientrate = 1000000000;
2338         }
2339
2340         // while downloading, limit entity updates to half the packet
2341         // (any leftover space will be used for downloading)
2342         if (host_client->download_file)
2343                 maxsize /= 2;
2344
2345         msg.data = sv_sendclientdatagram_buf;
2346         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2347         msg.cursize = 0;
2348         msg.allowoverflow = false;
2349
2350         if (host_client->spawned)
2351         {
2352                 // the player is in the game
2353                 MSG_WriteByte (&msg, svc_time);
2354                 MSG_WriteFloat (&msg, sv.time);
2355
2356                 // add the client specific data to the datagram
2357                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2358                 // now update the stats[] array using any registered custom fields
2359                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2360                 // set host_client->statsdeltabits
2361                 Protocol_UpdateClientStats (stats);
2362
2363                 // add as many queued unreliable messages (effects) as we can fit
2364                 // limit effects to half of the remaining space
2365                 if (client->unreliablemsg.cursize)
2366                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2367
2368                 // now write as many entities as we can fit, and also sends stats
2369                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2370         }
2371         else if (realtime > client->keepalivetime)
2372         {
2373                 // the player isn't totally in the game yet
2374                 // send small keepalive messages if too much time has passed
2375                 // (may also be sending downloads)
2376                 client->keepalivetime = realtime + 5;
2377                 MSG_WriteChar (&msg, svc_nop);
2378         }
2379
2380         // if a download is active, see if there is room to fit some download data
2381         // in this packet
2382         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2383         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2384         {
2385                 fs_offset_t downloadstart;
2386                 unsigned char data[1400];
2387                 downloadstart = FS_Tell(host_client->download_file);
2388                 downloadsize = min(downloadsize, (int)sizeof(data));
2389                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2390                 // note this sends empty messages if at the end of the file, which is
2391                 // necessary to keep the packet loss logic working
2392                 // (the last blocks may be lost and need to be re-sent, and that will
2393                 //  only occur if the client acks the empty end messages, revealing
2394                 //  a gap in the download progress, causing the last blocks to be
2395                 //  sent again)
2396                 MSG_WriteChar (&msg, svc_downloaddata);
2397                 MSG_WriteLong (&msg, downloadstart);
2398                 MSG_WriteShort (&msg, downloadsize);
2399                 if (downloadsize > 0)
2400                         SZ_Write (&msg, data, downloadsize);
2401         }
2402
2403         // reliable only if none is in progress
2404         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2405                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2406         // unreliable
2407         SV_WriteDemoMessage(client, &msg, false);
2408
2409 // send the datagram
2410         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2411         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2412                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2413 }
2414
2415 /*
2416 =======================
2417 SV_UpdateToReliableMessages
2418 =======================
2419 */
2420 static void SV_UpdateToReliableMessages (void)
2421 {
2422         int i, j;
2423         client_t *client;
2424         const char *name;
2425         const char *model;
2426         const char *skin;
2427         int clientcamera;
2428
2429 // check for changes to be sent over the reliable streams
2430         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2431         {
2432                 // update the host_client fields we care about according to the entity fields
2433                 host_client->edict = PRVM_EDICT_NUM(i+1);
2434
2435                 // DP_SV_CLIENTNAME
2436                 name = PRVM_GetString(PRVM_serveredictstring(host_client->edict, netname));
2437                 if (name == NULL)
2438                         name = "";
2439                 // always point the string back at host_client->name to keep it safe
2440                 strlcpy (host_client->name, name, sizeof (host_client->name));
2441                 PRVM_serveredictstring(host_client->edict, netname) = PRVM_SetEngineString(host_client->name);
2442                 if (strcmp(host_client->old_name, host_client->name))
2443                 {
2444                         if (host_client->spawned)
2445                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2446                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2447                         // send notification to all clients
2448                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2449                         MSG_WriteByte (&sv.reliable_datagram, i);
2450                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2451                         SV_WriteNetnameIntoDemo(host_client);
2452                 }
2453
2454                 // DP_SV_CLIENTCOLORS
2455                 host_client->colors = (int)PRVM_serveredictfloat(host_client->edict, clientcolors);
2456                 if (host_client->old_colors != host_client->colors)
2457                 {
2458                         host_client->old_colors = host_client->colors;
2459                         // send notification to all clients
2460                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2461                         MSG_WriteByte (&sv.reliable_datagram, i);
2462                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2463                 }
2464
2465                 // NEXUIZ_PLAYERMODEL
2466                 model = PRVM_GetString(PRVM_serveredictstring(host_client->edict, playermodel));
2467                 if (model == NULL)
2468                         model = "";
2469                 // always point the string back at host_client->name to keep it safe
2470                 strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2471                 PRVM_serveredictstring(host_client->edict, playermodel) = PRVM_SetEngineString(host_client->playermodel);
2472
2473                 // NEXUIZ_PLAYERSKIN
2474                 skin = PRVM_GetString(PRVM_serveredictstring(host_client->edict, playerskin));
2475                 if (skin == NULL)
2476                         skin = "";
2477                 // always point the string back at host_client->name to keep it safe
2478                 strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2479                 PRVM_serveredictstring(host_client->edict, playerskin) = PRVM_SetEngineString(host_client->playerskin);
2480
2481                 // TODO: add an extension name for this [1/17/2008 Black]
2482                 clientcamera = PRVM_serveredictedict(host_client->edict, clientcamera);
2483                 if (clientcamera > 0)
2484                 {
2485                         int oldclientcamera = host_client->clientcamera;
2486                         if (clientcamera >= prog->max_edicts || PRVM_EDICT_NUM(clientcamera)->priv.required->free)
2487                                 clientcamera = PRVM_NUM_FOR_EDICT(host_client->edict);
2488                         host_client->clientcamera = clientcamera;
2489
2490                         if (oldclientcamera != host_client->clientcamera && host_client->netconnection)
2491                         {
2492                                 MSG_WriteByte(&host_client->netconnection->message, svc_setview);
2493                                 MSG_WriteShort(&host_client->netconnection->message, host_client->clientcamera);
2494                         }
2495                 }
2496
2497                 // frags
2498                 host_client->frags = (int)PRVM_serveredictfloat(host_client->edict, frags);
2499                 if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2500                         if(!host_client->spawned && host_client->netconnection)
2501                                 host_client->frags = -666;
2502                 if (host_client->old_frags != host_client->frags)
2503                 {
2504                         host_client->old_frags = host_client->frags;
2505                         // send notification to all clients
2506                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2507                         MSG_WriteByte (&sv.reliable_datagram, i);
2508                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2509                 }
2510         }
2511
2512         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2513                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2514                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2515
2516         SZ_Clear (&sv.reliable_datagram);
2517 }
2518
2519
2520 /*
2521 =======================
2522 SV_SendClientMessages
2523 =======================
2524 */
2525 void SV_SendClientMessages (void)
2526 {
2527         int i, prepared = false;
2528
2529         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2530                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2531
2532         SV_FlushBroadcastMessages();
2533
2534 // update frags, names, etc
2535         SV_UpdateToReliableMessages();
2536
2537 // build individual updates
2538         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2539         {
2540                 if (!host_client->active)
2541                         continue;
2542                 if (!host_client->netconnection)
2543                         continue;
2544
2545                 if (host_client->netconnection->message.overflowed)
2546                 {
2547                         SV_DropClient (true);   // if the message couldn't send, kick off
2548                         continue;
2549                 }
2550
2551                 if (!prepared)
2552                 {
2553                         prepared = true;
2554                         // only prepare entities once per frame
2555                         SV_PrepareEntitiesForSending();
2556                 }
2557                 SV_SendClientDatagram (host_client);
2558         }
2559
2560 // clear muzzle flashes
2561         SV_CleanupEnts();
2562 }
2563
2564 static void SV_StartDownload_f(void)
2565 {
2566         if (host_client->download_file)
2567                 host_client->download_started = true;
2568 }
2569
2570 /*
2571  * Compression extension negotiation:
2572  *
2573  * Server to client:
2574  *   cl_serverextension_download 2
2575  *
2576  * Client to server:
2577  *   download <filename> <list of zero or more suppported compressions in order of preference>
2578  * e.g.
2579  *   download maps/map1.bsp lzo deflate huffman
2580  *
2581  * Server to client:
2582  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2583  * e.g.
2584  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2585  *
2586  * The server may choose not to compress the file by sending no compression name, like:
2587  *   cl_downloadbegin 345678 maps/map1.bsp
2588  *
2589  * NOTE: the "download" command may only specify compression algorithms if
2590  *       cl_serverextension_download is 2!
2591  *       If cl_serverextension_download has a different value, the client must
2592  *       assume this extension is not supported!
2593  */
2594
2595 static void Download_CheckExtensions(void)
2596 {
2597         int i;
2598         int argc = Cmd_Argc();
2599
2600         // first reset them all
2601         host_client->download_deflate = false;
2602
2603         for(i = 2; i < argc; ++i)
2604         {
2605                 if(!strcmp(Cmd_Argv(i), "deflate"))
2606                 {
2607                         host_client->download_deflate = true;
2608                         break;
2609                 }
2610         }
2611 }
2612
2613 static void SV_Download_f(void)
2614 {
2615         const char *whichpack, *whichpack2, *extension;
2616         qboolean is_csqc; // so we need to check only once
2617
2618         if (Cmd_Argc() < 2)
2619         {
2620                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2621                 SV_ClientPrintf("       supported extensions: deflate\n");
2622                 return;
2623         }
2624
2625         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2626         {
2627                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2628                 return;
2629         }
2630
2631         if (host_client->download_file)
2632         {
2633                 // at this point we'll assume the previous download should be aborted
2634                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2635                 Host_ClientCommands("\nstopdownload\n");
2636
2637                 // close the file and reset variables
2638                 FS_Close(host_client->download_file);
2639                 host_client->download_file = NULL;
2640                 host_client->download_name[0] = 0;
2641                 host_client->download_expectedposition = 0;
2642                 host_client->download_started = false;
2643         }
2644
2645         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2646
2647         if (!sv_allowdownloads.integer && !is_csqc)
2648         {
2649                 SV_ClientPrintf("Downloads are disabled on this server\n");
2650                 Host_ClientCommands("\nstopdownload\n");
2651                 return;
2652         }
2653
2654         Download_CheckExtensions();
2655
2656         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2657         extension = FS_FileExtension(host_client->download_name);
2658
2659         // host_client is asking to download a specified file
2660         if (developer_extra.integer)
2661                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2662
2663         if(is_csqc)
2664         {
2665                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2666                 extensions[0] = '\0';
2667
2668                 if(host_client->download_deflate)
2669                         strlcat(extensions, " deflate", sizeof(extensions));
2670
2671                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2672
2673                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2674                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2675                 else
2676                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2677
2678                 // no, no space is needed between %s and %s :P
2679                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2680
2681                 host_client->download_expectedposition = 0;
2682                 host_client->download_started = false;
2683                 host_client->sendsignon = true; // make sure this message is sent
2684                 return;
2685         }
2686
2687         if (!FS_FileExists(host_client->download_name))
2688         {
2689                 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);
2690                 Host_ClientCommands("\nstopdownload\n");
2691                 return;
2692         }
2693
2694         // check if the user is trying to download part of registered Quake(r)
2695         whichpack = FS_WhichPack(host_client->download_name);
2696         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2697         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2698         {
2699                 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);
2700                 Host_ClientCommands("\nstopdownload\n");
2701                 return;
2702         }
2703
2704         // check if the server has forbidden archive downloads entirely
2705         if (!sv_allowdownloads_inarchive.integer)
2706         {
2707                 whichpack = FS_WhichPack(host_client->download_name);
2708                 if (whichpack)
2709                 {
2710                         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);
2711                         Host_ClientCommands("\nstopdownload\n");
2712                         return;
2713                 }
2714         }
2715
2716         if (!sv_allowdownloads_config.integer)
2717         {
2718                 if (!strcasecmp(extension, "cfg"))
2719                 {
2720                         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);
2721                         Host_ClientCommands("\nstopdownload\n");
2722                         return;
2723                 }
2724         }
2725
2726         if (!sv_allowdownloads_dlcache.integer)
2727         {
2728                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2729                 {
2730                         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);
2731                         Host_ClientCommands("\nstopdownload\n");
2732                         return;
2733                 }
2734         }
2735
2736         if (!sv_allowdownloads_archive.integer)
2737         {
2738                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2739                 {
2740                         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);
2741                         Host_ClientCommands("\nstopdownload\n");
2742                         return;
2743                 }
2744         }
2745
2746         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2747         if (!host_client->download_file)
2748         {
2749                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2750                 Host_ClientCommands("\nstopdownload\n");
2751                 return;
2752         }
2753
2754         if (FS_FileSize(host_client->download_file) > 1<<30)
2755         {
2756                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2757                 Host_ClientCommands("\nstopdownload\n");
2758                 FS_Close(host_client->download_file);
2759                 host_client->download_file = NULL;
2760                 return;
2761         }
2762
2763         if (FS_FileSize(host_client->download_file) < 0)
2764         {
2765                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2766                 Host_ClientCommands("\nstopdownload\n");
2767                 FS_Close(host_client->download_file);
2768                 host_client->download_file = NULL;
2769                 return;
2770         }
2771
2772         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2773
2774         /*
2775          * we can only do this if we would actually deflate on the fly
2776          * which we do not (yet)!
2777         {
2778                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2779                 extensions[0] = '\0';
2780
2781                 if(host_client->download_deflate)
2782                         strlcat(extensions, " deflate", sizeof(extensions));
2783
2784                 // no, no space is needed between %s and %s :P
2785                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2786         }
2787         */
2788         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2789
2790         host_client->download_expectedposition = 0;
2791         host_client->download_started = false;
2792         host_client->sendsignon = true; // make sure this message is sent
2793
2794         // the rest of the download process is handled in SV_SendClientDatagram
2795         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2796         //
2797         // no svc_downloaddata messages will be sent until sv_startdownload is
2798         // sent by the client
2799 }
2800
2801 /*
2802 ==============================================================================
2803
2804 SERVER SPAWNING
2805
2806 ==============================================================================
2807 */
2808
2809 /*
2810 ================
2811 SV_ModelIndex
2812
2813 ================
2814 */
2815 int SV_ModelIndex(const char *s, int precachemode)
2816 {
2817         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);
2818         char filename[MAX_QPATH];
2819         if (!s || !*s)
2820                 return 0;
2821         // testing
2822         //if (precachemode == 2)
2823         //      return 0;
2824         strlcpy(filename, s, sizeof(filename));
2825         for (i = 2;i < limit;i++)
2826         {
2827                 if (!sv.model_precache[i][0])
2828                 {
2829                         if (precachemode)
2830                         {
2831                                 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))
2832                                 {
2833                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2834                                         return 0;
2835                                 }
2836                                 if (precachemode == 1)
2837                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2838                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2839                                 if (sv.state == ss_loading)
2840                                 {
2841                                         // running from SV_SpawnServer which is launched from the client console command interpreter
2842                                         sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2843                                 }
2844                                 else
2845                                 {
2846                                         if (svs.threaded)
2847                                         {
2848                                                 // 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
2849                                                 sv.models[i] = Mod_FindName (sv.model_precache[i], s[0] == '*' ? sv.worldname : NULL);
2850                                         }
2851                                         else
2852                                         {
2853                                                 // running single threaded, so we can load the model here
2854                                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2855                                         }
2856                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2857                                         MSG_WriteShort(&sv.reliable_datagram, i);
2858                                         MSG_WriteString(&sv.reliable_datagram, filename);
2859                                 }
2860                                 return i;
2861                         }
2862                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2863                         return 0;
2864                 }
2865                 if (!strcmp(sv.model_precache[i], filename))
2866                         return i;
2867         }
2868         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2869         return 0;
2870 }
2871
2872 /*
2873 ================
2874 SV_SoundIndex
2875
2876 ================
2877 */
2878 int SV_SoundIndex(const char *s, int precachemode)
2879 {
2880         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);
2881         char filename[MAX_QPATH];
2882         if (!s || !*s)
2883                 return 0;
2884         // testing
2885         //if (precachemode == 2)
2886         //      return 0;
2887         strlcpy(filename, s, sizeof(filename));
2888         for (i = 1;i < limit;i++)
2889         {
2890                 if (!sv.sound_precache[i][0])
2891                 {
2892                         if (precachemode)
2893                         {
2894                                 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))
2895                                 {
2896                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2897                                         return 0;
2898                                 }
2899                                 if (precachemode == 1)
2900                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2901                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2902                                 if (sv.state != ss_loading)
2903                                 {
2904                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2905                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2906                                         MSG_WriteString(&sv.reliable_datagram, filename);
2907                                 }
2908                                 return i;
2909                         }
2910                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2911                         return 0;
2912                 }
2913                 if (!strcmp(sv.sound_precache[i], filename))
2914                         return i;
2915         }
2916         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2917         return 0;
2918 }
2919
2920 /*
2921 ================
2922 SV_ParticleEffectIndex
2923
2924 ================
2925 */
2926 int SV_ParticleEffectIndex(const char *name)
2927 {
2928         int i, argc, linenumber, effectnameindex;
2929         int filepass;
2930         fs_offset_t filesize;
2931         unsigned char *filedata;
2932         const char *text;
2933         const char *textstart;
2934         //const char *textend;
2935         char argv[16][1024];
2936         char filename[MAX_QPATH];
2937         if (!sv.particleeffectnamesloaded)
2938         {
2939                 sv.particleeffectnamesloaded = true;
2940                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2941                 for (i = 0;i < EFFECT_TOTAL;i++)
2942                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2943                 for (filepass = 0;;filepass++)
2944                 {
2945                         if (filepass == 0)
2946                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2947                         else if (filepass == 1)
2948                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
2949                         else
2950                                 break;
2951                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2952                         if (!filedata)
2953                                 continue;
2954                         textstart = (const char *)filedata;
2955                         //textend = (const char *)filedata + filesize;
2956                         text = textstart;
2957                         for (linenumber = 1;;linenumber++)
2958                         {
2959                                 argc = 0;
2960                                 for (;;)
2961                                 {
2962                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2963                                                 break;
2964                                         if (argc < 16)
2965                                         {
2966                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2967                                                 argc++;
2968                                         }
2969                                 }
2970                                 if (com_token[0] == 0)
2971                                         break; // if the loop exited and it's not a \n, it's EOF
2972                                 if (argc < 1)
2973                                         continue;
2974                                 if (!strcmp(argv[0], "effect"))
2975                                 {
2976                                         if (argc == 2)
2977                                         {
2978                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2979                                                 {
2980                                                         if (sv.particleeffectname[effectnameindex][0])
2981                                                         {
2982                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2983                                                                         break;
2984                                                         }
2985                                                         else
2986                                                         {
2987                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2988                                                                 break;
2989                                                         }
2990                                                 }
2991                                                 // if we run out of names, abort
2992                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2993                                                 {
2994                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
2995                                                         break;
2996                                                 }
2997                                         }
2998                                 }
2999                         }
3000                         Mem_Free(filedata);
3001                 }
3002         }
3003         // search for the name
3004         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
3005                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
3006                         return effectnameindex;
3007         // return 0 if we couldn't find it
3008         return 0;
3009 }
3010
3011 dp_model_t *SV_GetModelByIndex(int modelindex)
3012 {
3013         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3014 }
3015
3016 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
3017 {
3018         int modelindex;
3019         if (!ed || ed->priv.server->free)
3020                 return NULL;
3021         modelindex = (int)PRVM_serveredictfloat(ed, modelindex);
3022         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3023 }
3024
3025 /*
3026 ================
3027 SV_CreateBaseline
3028
3029 ================
3030 */
3031 static void SV_CreateBaseline (void)
3032 {
3033         int i, entnum, large;
3034         prvm_edict_t *svent;
3035
3036         // LordHavoc: clear *all* states (note just active ones)
3037         for (entnum = 0;entnum < prog->max_edicts;entnum++)
3038         {
3039                 // get the current server version
3040                 svent = PRVM_EDICT_NUM(entnum);
3041
3042                 // LordHavoc: always clear state values, whether the entity is in use or not
3043                 svent->priv.server->baseline = defaultstate;
3044
3045                 if (svent->priv.server->free)
3046                         continue;
3047                 if (entnum > svs.maxclients && !PRVM_serveredictfloat(svent, modelindex))
3048                         continue;
3049
3050                 // create entity baseline
3051                 VectorCopy (PRVM_serveredictvector(svent, origin), svent->priv.server->baseline.origin);
3052                 VectorCopy (PRVM_serveredictvector(svent, angles), svent->priv.server->baseline.angles);
3053                 svent->priv.server->baseline.frame = (int)PRVM_serveredictfloat(svent, frame);
3054                 svent->priv.server->baseline.skin = (int)PRVM_serveredictfloat(svent, skin);
3055                 if (entnum > 0 && entnum <= svs.maxclients)
3056                 {
3057                         svent->priv.server->baseline.colormap = entnum;
3058                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
3059                 }
3060                 else
3061                 {
3062                         svent->priv.server->baseline.colormap = 0;
3063                         svent->priv.server->baseline.modelindex = (int)PRVM_serveredictfloat(svent, modelindex);
3064                 }
3065
3066                 large = false;
3067                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
3068                 {
3069                         large = true;
3070                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3071                                 large = false;
3072                 }
3073
3074                 // add to the message
3075                 if (large)
3076                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
3077                 else
3078                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
3079                 MSG_WriteShort (&sv.signon, entnum);
3080
3081                 if (large)
3082                 {
3083                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3084                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
3085                 }
3086                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3087                 {
3088                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3089                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3090                 }
3091                 else
3092                 {
3093                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
3094                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3095                 }
3096                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
3097                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
3098                 for (i=0 ; i<3 ; i++)
3099                 {
3100                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3101                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3102                 }
3103         }
3104 }
3105
3106 /*
3107 ================
3108 SV_Prepare_CSQC
3109
3110 Load csprogs.dat and comperss it so it doesn't need to be
3111 reloaded on request.
3112 ================
3113 */
3114 void SV_Prepare_CSQC(void)
3115 {
3116         fs_offset_t progsize;
3117
3118         if(svs.csqc_progdata)
3119         {
3120                 Con_DPrintf("Unloading old CSQC data.\n");
3121                 Mem_Free(svs.csqc_progdata);
3122                 if(svs.csqc_progdata_deflated)
3123                         Mem_Free(svs.csqc_progdata_deflated);
3124         }
3125
3126         svs.csqc_progdata = NULL;
3127         svs.csqc_progdata_deflated = NULL;
3128
3129         sv.csqc_progname[0] = 0;
3130         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3131
3132         if(progsize > 0)
3133         {
3134                 size_t deflated_size;
3135
3136                 sv.csqc_progsize = (int)progsize;
3137                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3138                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3139                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3140
3141                 Con_DPrint("Compressing csprogs.dat\n");
3142                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3143                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3144                 svs.csqc_progsize_deflated = (int)deflated_size;
3145                 if(svs.csqc_progdata_deflated)
3146                 {
3147                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3148                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3149                 }
3150                 else
3151                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3152         }
3153 }
3154
3155 /*
3156 ================
3157 SV_SaveSpawnparms
3158
3159 Grabs the current state of each client for saving across the
3160 transition to another level
3161 ================
3162 */
3163 void SV_SaveSpawnparms (void)
3164 {
3165         int             i, j;
3166
3167         svs.serverflags = (int)PRVM_serverglobalfloat(serverflags);
3168
3169         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3170         {
3171                 if (!host_client->active)
3172                         continue;
3173
3174         // call the progs to get default spawn parms for the new client
3175                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3176                 PRVM_ExecuteProgram (PRVM_serverfunction(SetChangeParms), "QC function SetChangeParms is missing");
3177                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3178                         host_client->spawn_parms[j] = (&PRVM_serverglobalfloat(parm1))[j];
3179         }
3180 }
3181
3182 /*
3183 ================
3184 SV_SpawnServer
3185
3186 This is called at the start of each level
3187 ================
3188 */
3189
3190 void SV_SpawnServer (const char *server)
3191 {
3192         prvm_edict_t *ent;
3193         int i;
3194         char *entities;
3195         dp_model_t *worldmodel;
3196         char modelname[sizeof(sv.worldname)];
3197
3198         Con_DPrintf("SpawnServer: %s\n", server);
3199
3200         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3201
3202         if (!FS_FileExists(modelname))
3203         {
3204                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3205                 if (!FS_FileExists(modelname))
3206                 {
3207                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3208                         return;
3209                 }
3210         }
3211
3212 //      SV_LockThreadMutex();
3213
3214         if (cls.state != ca_dedicated)
3215         {
3216                 SCR_BeginLoadingPlaque();
3217                 S_StopAllSounds();
3218         }
3219
3220         if(sv.active)
3221         {
3222                 SV_VM_Begin();
3223                 World_End(&sv.world);
3224                 if(PRVM_serverfunction(SV_Shutdown))
3225                 {
3226                         func_t s = PRVM_serverfunction(SV_Shutdown);
3227                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3228                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
3229                 }
3230                 SV_VM_End();
3231         }
3232
3233         // free q3 shaders so that any newly downloaded shaders will be active
3234         Mod_FreeQ3Shaders();
3235
3236         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3237         if (!worldmodel || !worldmodel->TraceBox)
3238         {
3239                 Con_Printf("Couldn't load map %s\n", modelname);
3240                 SV_UnlockThreadMutex();
3241                 return;
3242         }
3243
3244         Collision_Cache_Reset(true);
3245
3246         // let's not have any servers with no name
3247         if (hostname.string[0] == 0)
3248                 Cvar_Set ("hostname", "UNNAMED");
3249         scr_centertime_off = 0;
3250
3251         svs.changelevel_issued = false;         // now safe to issue another
3252
3253         // make the map a required file for clients
3254         Curl_ClearRequirements();
3255         Curl_RequireFile(modelname);
3256
3257 //
3258 // tell all connected clients that we are going to a new level
3259 //
3260         if (sv.active)
3261         {
3262                 client_t *client;
3263                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3264                 {
3265                         if (client->netconnection)
3266                         {
3267                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3268                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3269                         }
3270                 }
3271         }
3272         else
3273         {
3274                 // open server port
3275                 NetConn_OpenServerPorts(true);
3276         }
3277
3278 //
3279 // make cvars consistant
3280 //
3281         if (coop.integer)
3282                 Cvar_SetValue ("deathmatch", 0);
3283         // LordHavoc: it can be useful to have skills outside the range 0-3...
3284         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3285         //Cvar_SetValue ("skill", (float)current_skill);
3286         current_skill = (int)(skill.value + 0.5);
3287
3288 //
3289 // set up the new server
3290 //
3291         memset (&sv, 0, sizeof(sv));
3292         // if running a local client, make sure it doesn't try to access the last
3293         // level's data which is no longer valiud
3294         cls.signon = 0;
3295
3296         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3297
3298         if(*sv_random_seed.string)
3299         {
3300                 srand(sv_random_seed.integer);
3301                 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);
3302         }
3303
3304         SV_VM_Setup();
3305
3306         sv.active = true;
3307
3308         // set level base name variables for later use
3309         strlcpy (sv.name, server, sizeof (sv.name));
3310         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3311         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3312         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3313         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3314         Cvar_SetQuick(&sv_worldname, sv.worldname);
3315         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3316         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3317
3318         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3319         if (sv.protocol == PROTOCOL_UNKNOWN)
3320         {
3321                 char buffer[1024];
3322                 Protocol_Names(buffer, sizeof(buffer));
3323                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3324                 sv.protocol = PROTOCOL_QUAKE;
3325         }
3326
3327         SV_VM_Begin();
3328
3329 // load progs to get entity field count
3330         //PR_LoadProgs ( sv_progs.string );
3331
3332         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3333         sv.datagram.cursize = 0;
3334         sv.datagram.data = sv.datagram_buf;
3335
3336         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3337         sv.reliable_datagram.cursize = 0;
3338         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3339
3340         sv.signon.maxsize = sizeof(sv.signon_buf);
3341         sv.signon.cursize = 0;
3342         sv.signon.data = sv.signon_buf;
3343
3344 // leave slots at start for clients only
3345         //prog->num_edicts = svs.maxclients+1;
3346
3347         sv.state = ss_loading;
3348         prog->allowworldwrites = true;
3349         sv.paused = false;
3350
3351         PRVM_serverglobalfloat(time) = sv.time = 1.0;
3352
3353         Mod_ClearUsed();
3354         worldmodel->used = true;
3355
3356         sv.worldmodel = worldmodel;
3357         sv.models[1] = sv.worldmodel;
3358
3359 //
3360 // clear world interaction links
3361 //
3362         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
3363         World_Start(&sv.world);
3364
3365         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3366
3367         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3368         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3369         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3370         {
3371                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3372                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3373         }
3374         if(i < sv.worldmodel->brush.numsubmodels)
3375                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3376
3377 //
3378 // load the rest of the entities
3379 //
3380         // AK possible hack since num_edicts is still 0
3381         ent = PRVM_EDICT_NUM(0);
3382         memset (ent->fields.vp, 0, prog->entityfields * 4);
3383         ent->priv.server->free = false;
3384         PRVM_serveredictstring(ent, model) = PRVM_SetEngineString(sv.worldname);
3385         PRVM_serveredictfloat(ent, modelindex) = 1;             // world model
3386         PRVM_serveredictfloat(ent, solid) = SOLID_BSP;
3387         PRVM_serveredictfloat(ent, movetype) = MOVETYPE_PUSH;
3388         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, mins));
3389         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, maxs));
3390         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, absmin));
3391         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, absmax));
3392
3393         if (coop.value)
3394                 PRVM_serverglobalfloat(coop) = coop.integer;
3395         else
3396                 PRVM_serverglobalfloat(deathmatch) = deathmatch.integer;
3397
3398         PRVM_serverglobalstring(mapname) = PRVM_SetEngineString(sv.name);
3399
3400 // serverflags are for cross level information (sigils)
3401         PRVM_serverglobalfloat(serverflags) = svs.serverflags;
3402
3403         // we need to reset the spawned flag on all connected clients here so that
3404         // their thinks don't run during startup (before PutClientInServer)
3405         // we also need to set up the client entities now
3406         // and we need to set the ->edict pointers to point into the progs edicts
3407         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3408         {
3409                 host_client->spawned = false;
3410                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3411                 PRVM_ED_ClearEdict(host_client->edict);
3412         }
3413
3414         // load replacement entity file if found
3415         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3416         {
3417                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3418                 PRVM_ED_LoadFromFile (entities);
3419                 Mem_Free(entities);
3420         }
3421         else
3422                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
3423
3424
3425         // LordHavoc: clear world angles (to fix e3m3.bsp)
3426         VectorClear(PRVM_serveredictvector(prog->edicts, angles));
3427
3428 // all setup is completed, any further precache statements are errors
3429 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3430         prog->allowworldwrites = false;
3431
3432 // run two frames to allow everything to settle
3433         PRVM_serverglobalfloat(time) = sv.time = 1.0001;
3434         for (i = 0;i < 2;i++)
3435         {
3436                 sv.frametime = 0.1;
3437                 SV_Physics ();
3438         }
3439
3440         if (cls.state == ca_dedicated)
3441                 Mod_PurgeUnused();
3442
3443 // create a baseline for more efficient communications
3444         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)
3445                 SV_CreateBaseline ();
3446
3447         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3448
3449         // to prevent network timeouts
3450         realtime = Sys_DoubleTime();
3451
3452 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3453         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3454         {
3455                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3456                 if (!host_client->active)
3457                         continue;
3458                 if (host_client->netconnection)
3459                         SV_SendServerinfo(host_client);
3460                 else
3461                 {
3462                         int j;
3463                         // if client is a botclient coming from a level change, we need to
3464                         // set up client info that normally requires networking
3465
3466                         // copy spawn parms out of the client_t
3467                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3468                                 (&PRVM_serverglobalfloat(parm1))[j] = host_client->spawn_parms[j];
3469
3470                         // call the spawn function
3471                         host_client->clientconnectcalled = true;
3472                         PRVM_serverglobalfloat(time) = sv.time;
3473                         PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3474                         PRVM_ExecuteProgram (PRVM_serverfunction(ClientConnect), "QC function ClientConnect is missing");
3475                         PRVM_ExecuteProgram (PRVM_serverfunction(PutClientInServer), "QC function PutClientInServer is missing");
3476                         host_client->spawned = true;
3477                 }
3478         }
3479
3480         // update the map title cvar
3481         strlcpy(sv.worldmessage, PRVM_GetString(PRVM_serveredictstring(prog->edicts, message)), sizeof(sv.worldmessage)); // map title (not related to filename)
3482         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3483
3484         Con_DPrint("Server spawned.\n");
3485         NetConn_Heartbeat (2);
3486
3487         SV_VM_End();
3488
3489 //      SV_UnlockThreadMutex();
3490 }
3491
3492 /////////////////////////////////////////////////////
3493 // SV VM stuff
3494
3495 static void SV_VM_CB_BeginIncreaseEdicts(void)
3496 {
3497         // links don't survive the transition, so unlink everything
3498         World_UnlinkAll(&sv.world);
3499 }
3500
3501 static void SV_VM_CB_EndIncreaseEdicts(void)
3502 {
3503         int i;
3504         prvm_edict_t *ent;
3505
3506         // link every entity except world
3507         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3508                 if (!ent->priv.server->free)
3509                         SV_LinkEdict(ent);
3510 }
3511
3512 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3513 {
3514         // LordHavoc: for consistency set these here
3515         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3516
3517         e->priv.server->move = false; // don't move on first frame
3518
3519         if (num >= 0 && num < svs.maxclients)
3520         {
3521                 // set colormap and team on newly created player entity
3522                 PRVM_serveredictfloat(e, colormap) = num + 1;
3523                 PRVM_serveredictfloat(e, team) = (svs.clients[num].colors & 15) + 1;
3524                 // set netname/clientcolors back to client values so that
3525                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3526                 // reset them
3527                 PRVM_serveredictstring(e, netname) = PRVM_SetEngineString(svs.clients[num].name);
3528                 PRVM_serveredictfloat(e, clientcolors) = svs.clients[num].colors;
3529                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3530                 PRVM_serveredictstring(e, playermodel) = PRVM_SetEngineString(svs.clients[num].playermodel);
3531                 PRVM_serveredictstring(e, playerskin) = PRVM_SetEngineString(svs.clients[num].playerskin);
3532                 // Assign netaddress (IP Address, etc)
3533                 if(svs.clients[num].netconnection != NULL)
3534                 {
3535                         // Acquire Readable Address
3536                         LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3537                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(svs.clients[num].netaddress);
3538                 }
3539                 else
3540                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString("null/botclient");
3541                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
3542                         PRVM_serveredictstring(e, crypto_idfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.client_idfp);
3543                 else
3544                         PRVM_serveredictstring(e, crypto_idfp) = 0;
3545                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
3546                         PRVM_serveredictstring(e, crypto_keyfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.client_keyfp);
3547                 else
3548                         PRVM_serveredictstring(e, crypto_keyfp) = 0;
3549                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
3550                         PRVM_serveredictstring(e, crypto_mykeyfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.server_keyfp);
3551                 else
3552                         PRVM_serveredictstring(e, crypto_mykeyfp) = 0;
3553                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
3554                         PRVM_serveredictstring(e, crypto_encryptmethod) = PRVM_SetEngineString("AES128");
3555                 else
3556                         PRVM_serveredictstring(e, crypto_encryptmethod) = 0;
3557                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
3558                         PRVM_serveredictstring(e, crypto_signmethod) = PRVM_SetEngineString("HMAC-SHA256");
3559                 else
3560                         PRVM_serveredictstring(e, crypto_signmethod) = 0;
3561         }
3562 }
3563
3564 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3565 {
3566         int i;
3567         int e;
3568
3569         World_UnlinkEdict(ed);          // unlink from world bsp
3570
3571         PRVM_serveredictstring(ed, model) = 0;
3572         PRVM_serveredictfloat(ed, takedamage) = 0;
3573         PRVM_serveredictfloat(ed, modelindex) = 0;
3574         PRVM_serveredictfloat(ed, colormap) = 0;
3575         PRVM_serveredictfloat(ed, skin) = 0;
3576         PRVM_serveredictfloat(ed, frame) = 0;
3577         VectorClear(PRVM_serveredictvector(ed, origin));
3578         VectorClear(PRVM_serveredictvector(ed, angles));
3579         PRVM_serveredictfloat(ed, nextthink) = -1;
3580         PRVM_serveredictfloat(ed, solid) = 0;
3581
3582         VM_RemoveEdictSkeleton(ed);
3583         World_Physics_RemoveFromEntity(&sv.world, ed);
3584         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3585
3586         // make sure csqc networking is aware of the removed entity
3587         e = PRVM_NUM_FOR_EDICT(ed);
3588         sv.csqcentityversion[e] = 0;
3589         for (i = 0;i < svs.maxclients;i++)
3590         {
3591                 if (svs.clients[i].csqcentityscope[e])
3592                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3593                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3594         }
3595 }
3596
3597 static void SV_VM_CB_CountEdicts(void)
3598 {
3599         int             i;
3600         prvm_edict_t    *ent;
3601         int             active, models, solid, step;
3602
3603         active = models = solid = step = 0;
3604         for (i=0 ; i<prog->num_edicts ; i++)
3605         {
3606                 ent = PRVM_EDICT_NUM(i);
3607                 if (ent->priv.server->free)
3608                         continue;
3609                 active++;
3610                 if (PRVM_serveredictfloat(ent, solid))
3611                         solid++;
3612                 if (PRVM_serveredictstring(ent, model))
3613                         models++;
3614                 if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
3615                         step++;
3616         }
3617
3618         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3619         Con_Printf("active    :%3i\n", active);
3620         Con_Printf("view      :%3i\n", models);
3621         Con_Printf("touch     :%3i\n", solid);
3622         Con_Printf("step      :%3i\n", step);
3623 }
3624
3625 static qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
3626 {
3627         // remove things from different skill levels or deathmatch
3628         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3629         {
3630                 if (deathmatch.integer)
3631                 {
3632                         if (((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_DEATHMATCH))
3633                         {
3634                                 return false;
3635                         }
3636                 }
3637                 else if ((current_skill <= 0 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_EASY  ))
3638                         || (current_skill == 1 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_MEDIUM))
3639                         || (current_skill >= 2 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_HARD  )))
3640                 {
3641                         return false;
3642                 }
3643         }
3644         return true;
3645 }
3646
3647 static void SV_VM_Setup(void)
3648 {
3649         PRVM_Begin;
3650         PRVM_InitProg( PRVM_SERVERPROG );
3651
3652         // allocate the mempools
3653         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3654         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3655         prog->builtins = vm_sv_builtins;
3656         prog->numbuiltins = vm_sv_numbuiltins;
3657         prog->max_edicts = 512;
3658         if (sv.protocol == PROTOCOL_QUAKE)
3659                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3660         else if (sv.protocol == PROTOCOL_QUAKEDP)
3661                 prog->limit_edicts = 2048; // guessing
3662         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3663                 prog->limit_edicts = 2048; // guessing!
3664         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3665                 prog->limit_edicts = 4096; // guessing!
3666         else
3667                 prog->limit_edicts = MAX_EDICTS;
3668         prog->reserved_edicts = svs.maxclients;
3669         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3670         prog->name = "server";
3671         prog->extensionstring = vm_sv_extensions;
3672         prog->loadintoworld = true;
3673
3674         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
3675         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
3676         prog->init_edict = SV_VM_CB_InitEdict;
3677         prog->free_edict = SV_VM_CB_FreeEdict;
3678         prog->count_edicts = SV_VM_CB_CountEdicts;
3679         prog->load_edict = SV_VM_CB_LoadEdict;
3680         prog->init_cmd = VM_SV_Cmd_Init;
3681         prog->reset_cmd = VM_SV_Cmd_Reset;
3682         prog->error_cmd = Host_Error;
3683         prog->ExecuteProgram = SVVM_ExecuteProgram;
3684
3685         PRVM_LoadProgs( sv_progs.string, SV_REQFUNCS, sv_reqfuncs, SV_REQFIELDS, sv_reqfields, SV_REQGLOBALS, sv_reqglobals);
3686
3687         // some mods compiled with scrambling compilers lack certain critical
3688         // global names and field names such as "self" and "time" and "nextthink"
3689         // so we have to set these offsets manually, matching the entvars_t
3690         // but we only do this if the prog header crc matches, otherwise it's totally freeform
3691         if (prog->progs_crc == PROGHEADER_CRC || prog->progs_crc == PROGHEADER_CRC_TENEBRAE)
3692         {
3693                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, modelindex);
3694                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmin);
3695                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmax);
3696                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ltime);
3697                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movetype);
3698                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, solid);
3699                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, origin);
3700                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, oldorigin);
3701                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, velocity);
3702                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3703                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, avelocity);
3704                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, punchangle);
3705                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3706                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, model);
3707                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3708                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, skin);
3709                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, effects);
3710                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, mins);
3711                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, maxs);
3712                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, size);
3713                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, touch);
3714                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, use);
3715                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3716                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, blocked);
3717                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3718                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3719                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, health);
3720                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frags);
3721                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weapon);
3722                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponmodel);
3723                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponframe);
3724                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, currentammo);
3725                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_shells);
3726                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_nails);
3727                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_rockets);
3728                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_cells);
3729                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, items);
3730                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, takedamage);
3731                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3732                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, deadflag);
3733                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, view_ofs);
3734                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button0);
3735                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button1);
3736                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button2);
3737                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, impulse);
3738                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, fixangle);
3739                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, v_angle);
3740                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, idealpitch);
3741                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, netname);
3742                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, enemy);
3743                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, flags);
3744                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, colormap);
3745                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, team);
3746                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, max_health);
3747                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, teleport_time);
3748                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armortype);
3749                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armorvalue);
3750                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, waterlevel);
3751                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, watertype);
3752                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3753                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3754                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, aiment);
3755                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, goalentity);
3756                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, spawnflags);
3757                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, target);
3758                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, targetname);
3759                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_take);
3760                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_save);
3761                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_inflictor);
3762                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, owner);
3763                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movedir);
3764                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, message);
3765                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, sounds);
3766                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise);
3767                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise1);
3768                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise2);
3769                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise3);
3770                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3771                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, other);
3772                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, world);
3773                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3774                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, frametime);
3775                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, force_retouch);
3776                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, mapname);
3777                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, deathmatch);
3778                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, coop);
3779                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, teamplay);
3780                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, serverflags);
3781                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_secrets);
3782                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_monsters);
3783                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, found_secrets);
3784                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, killed_monsters);
3785                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm1);
3786                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm2);
3787                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm3);
3788                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm4);
3789                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm5);
3790                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm6);
3791                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm7);
3792                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm8);
3793                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm9);
3794                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm10);
3795                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm11);
3796                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm12);
3797                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm13);
3798                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm14);
3799                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm15);
3800                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm16);
3801                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3802                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3803                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3804                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3805                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3806                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3807                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3808                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3809                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3810                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3811                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3812                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3813                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, msg_entity);
3814 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, main);
3815 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, StartFrame);
3816 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPreThink);
3817 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPostThink);
3818 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientKill);
3819 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientConnect);
3820 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PutClientInServer);
3821 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientDisconnect);
3822 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetNewParms);
3823 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetChangeParms);
3824         }
3825         else
3826                 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);
3827
3828         // OP_STATE is always supported on server because we add fields/globals for it
3829         prog->flag |= PRVM_OP_STATE;
3830
3831         VM_CustomStats_Clear();//[515]: csqc
3832
3833         PRVM_End;
3834
3835         SV_Prepare_CSQC();
3836 }
3837
3838 void SV_VM_Begin(void)
3839 {
3840         PRVM_Begin;
3841         PRVM_SetProg( PRVM_SERVERPROG );
3842
3843         PRVM_serverglobalfloat(time) = (float) sv.time;
3844 }
3845
3846 void SV_VM_End(void)
3847 {
3848         PRVM_End;
3849 }
3850
3851 extern cvar_t host_maxwait;
3852 extern cvar_t host_framerate;
3853 int SV_ThreadFunc(void *voiddata)
3854 {
3855         double sv_timer = 0;
3856         double sv_deltarealtime, sv_oldrealtime, sv_realtime;
3857         double wait;
3858         int i;
3859         sv_realtime = Sys_DoubleTime();
3860         while (!svs.threadstop)
3861         {
3862                 // FIXME: we need to handle Host_Error in the server thread somehow
3863 //              if (setjmp(sv_abortframe))
3864 //                      continue;                       // something bad happened in the server game
3865
3866                 sv_oldrealtime = sv_realtime;
3867                 sv_realtime = Sys_DoubleTime();
3868
3869                 sv_deltarealtime = sv_realtime - sv_oldrealtime;
3870                 sv_timer += sv_deltarealtime;
3871
3872                 svs.perf_acc_realtime += sv_deltarealtime;
3873
3874                 // Look for clients who have spawned
3875                 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3876                         if(host_client->spawned)
3877                                 if(host_client->netconnection)
3878                                         break;
3879                 if(i == svs.maxclients)
3880                 {
3881                         // Nobody is looking? Then we won't do timing...
3882                         // Instead, reset it to zero
3883                         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;
3884                 }
3885                 else if(svs.perf_acc_realtime > 5)
3886                 {
3887                         svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
3888                         svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
3889                         if(svs.perf_acc_offset_samples > 0)
3890                         {
3891                                 svs.perf_offset_max = svs.perf_acc_offset_max;
3892                                 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
3893                                 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
3894                         }
3895                         if(svs.perf_lost > 0 && developer_extra.integer)
3896                                 Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport());
3897                         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;
3898                 }
3899
3900                 // get new packets
3901                 if (sv.active)
3902                         NetConn_ServerFrame();
3903
3904                 // if the accumulators haven't become positive yet, wait a while
3905                 wait = sv_timer * -1000000.0;
3906                 if (wait >= 1)
3907                 {
3908                         double time0;
3909                         if (host_maxwait.value <= 0)
3910                                 wait = min(wait, 1000000.0);
3911                         else
3912                                 wait = min(wait, host_maxwait.value * 1000.0);
3913                         if(wait < 1)
3914                                 wait = 1; // because we cast to int
3915                         time0 = Sys_DoubleTime();
3916                         Sys_Sleep((int)wait);
3917                         svs.perf_acc_sleeptime += Sys_DoubleTime() - time0;
3918                         continue;
3919                 }
3920
3921                 if (sv.active && sv_timer > 0)
3922                 {
3923                         // execute one server frame
3924                         double advancetime;
3925                         float offset;
3926
3927                         if (sys_ticrate.value <= 0)
3928                                 advancetime = min(sv_timer, 0.1); // don't step more than 100ms
3929                         else
3930                                 advancetime = sys_ticrate.value;
3931
3932                         if(advancetime > 0)
3933                         {
3934                                 offset = sv_timer + (Sys_DoubleTime() - sv_realtime); // LordHavoc: FIXME: I don't understand this line
3935                                 ++svs.perf_acc_offset_samples;
3936                                 svs.perf_acc_offset += offset;
3937                                 svs.perf_acc_offset_squared += offset * offset;
3938                                 if(svs.perf_acc_offset_max < offset)
3939                                         svs.perf_acc_offset_max = offset;
3940                         }
3941
3942                         // 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)
3943                         SV_LockThreadMutex();
3944
3945                         // only advance time if not paused
3946                         // the game also pauses in singleplayer when menu or console is used
3947                         sv.frametime = advancetime * slowmo.value;
3948                         if (host_framerate.value)
3949                                 sv.frametime = host_framerate.value;
3950                         if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
3951                                 sv.frametime = 0;
3952
3953                         sv_timer -= advancetime;
3954
3955                         // setup the VM frame
3956                         SV_VM_Begin();
3957
3958                         // move things around and think unless paused
3959                         if (sv.frametime)
3960                                 SV_Physics();
3961
3962                         // send all messages to the clients
3963                         SV_SendClientMessages();
3964
3965                         if (sv.paused == 1 && sv_realtime > sv.pausedstart && sv.pausedstart > 0)
3966                         {
3967                                 prog->globals.generic[OFS_PARM0] = sv_realtime - sv.pausedstart;
3968                                 PRVM_ExecuteProgram(PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
3969                         }
3970
3971                         // end the server VM frame
3972                         SV_VM_End();
3973
3974                         // send an heartbeat if enough time has passed since the last one
3975                         NetConn_Heartbeat(0);
3976
3977                         // 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)
3978                         SV_UnlockThreadMutex();
3979                 }
3980
3981                 // if there is some time remaining from this frame, reset the timers
3982                 if (sv_timer >= 0)
3983                 {
3984                         svs.perf_acc_lost += sv_timer;
3985                         sv_timer = 0;
3986                 }
3987         }
3988         return 0;
3989 }
3990
3991 void SV_StartThread(void)
3992 {
3993         if (!sv_threaded.integer || !Thread_HasThreads())
3994                 return;
3995         svs.threaded = true;
3996         svs.threadstop = false;
3997         svs.threadmutex = Thread_CreateMutex();
3998         svs.thread = Thread_CreateThread(SV_ThreadFunc, NULL);
3999 }
4000
4001 void SV_StopThread(void)
4002 {
4003         if (!svs.threaded)
4004                 return;
4005         svs.threadstop = true;
4006         Thread_WaitThread(svs.thread, 0);
4007         Thread_DestroyMutex(svs.threadmutex);
4008         svs.threaded = false;
4009 }
4010
4011 void SV_LockThreadMutex(void)
4012 {
4013         if (svs.threaded)
4014                 Thread_LockMutex(svs.threadmutex);
4015 }
4016
4017 void SV_UnlockThreadMutex(void)
4018 {
4019         if (svs.threaded)
4020                 Thread_UnlockMutex(svs.threadmutex);
4021 }