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 cvar_t sv_worldmessage = {CVAR_READONLY, "sv_worldmessage", "", "title of current level"};
  35 cvar_t sv_worldname = {CVAR_READONLY, "sv_worldname", "", "name of current worldmodel"};
  36 cvar_t sv_worldnamenoextension = {CVAR_READONLY, "sv_worldnamenoextension", "", "name of current worldmodel without extension"};
  37 cvar_t sv_worldbasename = {CVAR_READONLY, "sv_worldbasename", "", "name of current worldmodel without maps/ prefix or extension"};
  38
  39 cvar_t sv_disablenotify = {0, "sv_disablenotify", "1", "suppress broadcast prints when certain cvars are changed (CVAR_NOTIFY flag in engine code)"};
  40 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)"};
  41 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)"};
  42 cvar_t fraglimit = {CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
  43 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
  44 cvar_t noexit = {CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
  45 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
  46 cvar_t pausable = {0, "pausable","1", "allow players to pause or not (otherwise, only the server admin can)"};
  47 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)"};
  48 cvar_t samelevel = {CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
  49 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)"};
  50 cvar_t slowmo = {0, "slowmo", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
  51
  52 cvar_t sv_accelerate = {0, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
  53 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"};
  54 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"};
  55 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"};
  56 cvar_t sv_airaccel_sideways_friction = {0, "sv_airaccel_sideways_friction", "", "anti-sideways movement stabilization (reduces speed gain when zigzagging); when < 0, only so much friction is applied that braking (by accelerating backwards) cannot be stronger"};
  57 cvar_t sv_airaccelerate = {0, "sv_airaccelerate", "-1", "rate at which a player accelerates to sv_maxairspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
  58 cvar_t sv_airstopaccelerate = {0, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
  59 cvar_t sv_airspeedlimit_nonqw = {0, "sv_airspeedlimit_nonqw", "0", "when set, this is a soft speed limit while in air when using airaccel_qw not equal to 1"};
  60 cvar_t sv_airstrafeaccelerate = {0, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
  61 cvar_t sv_maxairstrafespeed = {0, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
  62 cvar_t sv_airstrafeaccel_qw = {0, "sv_airstrafeaccel_qw", "0", "when set, replacement for sv_airaccel_qw when just strafing"};
  63 cvar_t sv_aircontrol = {0, "sv_aircontrol", "0", "CPMA-style air control"};
  64 cvar_t sv_aircontrol_power = {0, "sv_aircontrol_power", "2", "CPMA-style air control exponent"};
  65 cvar_t sv_aircontrol_penalty = {0, "sv_aircontrol_penalty", "0", "deceleration while using CPMA-style air control"};
  66 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
  67 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
  68 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
  69 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
  70 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
  71 cvar_t sv_areagrid_mingridsize = {CVAR_NOTIFY, "sv_areagrid_mingridsize", "128", "minimum areagrid cell size, smaller values work better for lots of small objects, higher values for large objects"};
  72 cvar_t sv_checkforpacketsduringsleep = {0, "sv_checkforpacketsduringsleep", "0", "uses select() function to wait between frames which can be interrupted by packets being received, instead of Sleep()/usleep()/SDL_Sleep() functions which do not check for packets"};
  73 cvar_t sv_clmovement_enable = {0, "sv_clmovement_enable", "1", "whether to allow clients to use cl_movement prediction, which can cause choppy movement on the server which may annoy other players"};
  74 cvar_t sv_clmovement_minping = {0, "sv_clmovement_minping", "0", "if client ping is below this time in milliseconds, then their ability to use cl_movement prediction is disabled for a while (as they don't need it)"};
  75 cvar_t sv_clmovement_minping_disabletime = {0, "sv_clmovement_minping_disabletime", "1000", "when client falls below minping, disable their prediction for this many milliseconds (should be at least 1000 or else their prediction may turn on/off frequently)"};
  76 cvar_t sv_clmovement_inputtimeout = {0, "sv_clmovement_inputtimeout", "0.2", "when a client does not send input for this many seconds, force them to move anyway (unlike QuakeWorld)"};
  77 cvar_t sv_cullentities_nevercullbmodels = {0, "sv_cullentities_nevercullbmodels", "0", "if enabled the clients are always notified of moving doors and lifts and other submodels of world (warning: eats a lot of network bandwidth on some levels!)"};
  78 cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
  79 cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  80 cvar_t sv_cullentities_trace = {0, "sv_cullentities_trace", "0", "somewhat slow but very tight culling of hidden entities, minimizes network traffic and makes wallhack cheats useless"};
  81 cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  82 cvar_t sv_cullentities_trace_delay_players = {0, "sv_cullentities_trace_delay_players", "0.2", "number of seconds until the entity gets actually culled if it is a player entity"};
  83 cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  84 cvar_t sv_cullentities_trace_eyejitter = {0, "sv_cullentities_trace_eyejitter", "16", "jitter the eye by this much for each trace"};
  85 cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
  86 cvar_t sv_cullentities_trace_prediction_time = {0, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
  87 cvar_t sv_cullentities_trace_entityocclusion = {0, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
  88 cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
  89 cvar_t sv_cullentities_trace_samples_extra = {0, "sv_cullentities_trace_samples_extra", "2", "number of samples to test for entity culling when the entity affects its surroundings by e.g. dlight"};
  90 cvar_t sv_cullentities_trace_samples_players = {0, "sv_cullentities_trace_samples_players", "8", "number of samples to test for entity culling when the entity is a player entity"};
  91 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
  92 cvar_t sv_echobprint = {CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
  93 cvar_t sv_edgefriction = {0, "edgefriction", "1", "how much you slow down when nearing a ledge you might fall off, multiplier of sv_friction (Quake used 2, QuakeWorld used 1 due to a bug in physics code)"};
  94 cvar_t sv_entpatch = {0, "sv_entpatch", "1", "enables loading of .ent files to override entities in the bsp (for example Threewave CTF server pack contains .ent patch files enabling play of CTF on id1 maps)"};
  95 cvar_t sv_fixedframeratesingleplayer = {0, "sv_fixedframeratesingleplayer", "1", "allows you to use server-style timing system in singleplayer (don't run faster than sys_ticrate)"};
  96 cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
  97 cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
  98 cvar_t sv_gameplayfix_blowupfallenzombies = {0, "sv_gameplayfix_blowupfallenzombies", "1", "causes findradius to detect SOLID_NOT entities such as zombies and corpses on the floor, allowing splash damage to apply to them"};
  99 cvar_t sv_gameplayfix_consistentplayerprethink = {0, "sv_gameplayfix_consistentplayerprethink", "0", "improves fairness in multiplayer by running all PlayerPreThink functions (which fire weapons) before performing physics, then running all PlayerPostThink functions"};
 100 cvar_t sv_gameplayfix_delayprojectiles = {0, "sv_gameplayfix_delayprojectiles", "1", "causes entities to not move on the same frame they are spawned, meaning that projectiles wait until the next frame to perform their first move, giving proper interpolation and rocket trails, but making weapons harder to use at low framerates"};
 101 cvar_t sv_gameplayfix_droptofloorstartsolid = {0, "sv_gameplayfix_droptofloorstartsolid", "1", "prevents items and monsters that start in a solid area from falling out of the level (makes droptofloor treat trace_startsolid as an acceptable outcome)"};
 102 cvar_t sv_gameplayfix_droptofloorstartsolid_nudgetocorrect = {0, "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect", "1", "tries to nudge stuck items and monsters out of walls before droptofloor is performed"};
 103 cvar_t sv_gameplayfix_easierwaterjump = {0, "sv_gameplayfix_easierwaterjump", "1", "changes water jumping to make it easier to get out of water (exactly like in QuakeWorld)"};
 104 cvar_t sv_gameplayfix_findradiusdistancetobox = {0, "sv_gameplayfix_findradiusdistancetobox", "1", "causes findradius to check the distance to the corner of a box rather than the center of the box, makes findradius detect bmodels such as very large doors that would otherwise be unaffected by splash damage"};
 105 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
 106 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
 107 cvar_t sv_gameplayfix_multiplethinksperframe = {0, "sv_gameplayfix_multiplethinksperframe", "1", "allows entities to think more often than the server framerate, primarily useful for very high fire rate weapons"};
 108 cvar_t sv_gameplayfix_noairborncorpse = {0, "sv_gameplayfix_noairborncorpse", "1", "causes entities (corpses, items, etc) sitting ontop of moving entities (players) to fall when the moving entity (player) is no longer supporting them"};
 109 cvar_t sv_gameplayfix_noairborncorpse_allowsuspendeditems = {0, "sv_gameplayfix_noairborncorpse_allowsuspendeditems", "1", "causes entities sitting ontop of objects that are instantaneously remove to float in midair (special hack to allow a common level design trick for floating items)"};
 110 cvar_t sv_gameplayfix_nudgeoutofsolid = {0, "sv_gameplayfix_nudgeoutofsolid", "0", "attempts to fix physics errors (where an object ended up in solid for some reason)"};
 111 cvar_t sv_gameplayfix_nudgeoutofsolid_separation = {0, "sv_gameplayfix_nudgeoutofsolid_separation", "0.03125", "keep objects this distance apart to prevent collision issues on seams"};
 112 cvar_t sv_gameplayfix_q2airaccelerate = {0, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
 113 cvar_t sv_gameplayfix_nogravityonground = {0, "sv_gameplayfix_nogravityonground", "0", "turn off gravity when on ground (to get rid of sliding)"};
 114 cvar_t sv_gameplayfix_setmodelrealbox = {0, "sv_gameplayfix_setmodelrealbox", "1", "fixes a bug in Quake that made setmodel always set the entity box to ('-16 -16 -16', '16 16 16') rather than properly checking the model box, breaks some poorly coded mods"};
 115 cvar_t sv_gameplayfix_slidemoveprojectiles = {0, "sv_gameplayfix_slidemoveprojectiles", "1", "allows MOVETYPE_FLY/FLYMISSILE/TOSS/BOUNCE/BOUNCEMISSILE entities to finish their move in a frame even if they hit something, fixes 'gravity accumulation' bug for grenades on steep slopes"};
 116 cvar_t sv_gameplayfix_stepdown = {0, "sv_gameplayfix_stepdown", "0", "attempts to step down stairs, not just up them (prevents the familiar thud..thud..thud.. when running down stairs and slopes)"};
 117 cvar_t sv_gameplayfix_stepmultipletimes = {0, "sv_gameplayfix_stepmultipletimes", "0", "applies step-up onto a ledge more than once in a single frame, when running quickly up stairs"};
 118 cvar_t sv_gameplayfix_nostepmoveonsteepslopes = {0, "sv_gameplayfix_nostepmoveonsteepslopes", "0", "crude fix which prevents MOVETYPE_STEP (not swimming or flying) to move on slopes whose angle is bigger than 45 degree"};
 119 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"};
 120 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"};
 121 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)"};
 122 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"};
 123 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."};
 124 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"};
 125 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)"};
 126 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 127 cvar_t sv_init_frame_count = {0, "sv_init_frame_count", "2", "number of frames to run to allow everything to settle before letting clients connect"};
 128 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 129 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping"};
 130 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 131 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)"};
 132 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 133 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 134 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 135 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 136 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 137 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 138 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 139 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"};
 140 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)"};
 141 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)"};
 142 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)"};
 143 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 144 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 145 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 146 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"};
 147 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"};
 148 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 149 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)"};
 150 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 151 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)"};
 152 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"};
 153 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
 154 cvar_t sv_areadebug = {0, "sv_areadebug", "0", "disables physics culling for debugging purposes (only for development)"};
 155 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"};
 156 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"};
 157 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 158 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"};
 159
 160 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 161 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 162 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 163 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 164 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 165 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 166 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 167 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 168 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 169 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)"};
 170
 171 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 172 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 173 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 174 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 175 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 176 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 177 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 178 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 179 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 180 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 181 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 182 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 183 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 184 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 185 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 186 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 187 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 188 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 189 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 190 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 191 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 192
 193 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)"};
 194 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)" };
 195 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."};
 196
 197 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 198 cvar_t sv_mapformat_is_quake2 = {0, "sv_mapformat_is_quake2", "0", "indicates the current map is q2bsp format (useful to know because of different entity behaviors, .frame on submodels and other things)"};
 199 cvar_t sv_mapformat_is_quake3 = {0, "sv_mapformat_is_quake3", "0", "indicates the current map is q2bsp format (useful to know because of different entity behaviors)"};
 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 static 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_eyejitter);
 498         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 499         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 500         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 501         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 502         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 503         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 504         Cvar_RegisterVariable (&sv_debugmove);
 505         Cvar_RegisterVariable (&sv_echobprint);
 506         Cvar_RegisterVariable (&sv_edgefriction);
 507         Cvar_RegisterVariable (&sv_entpatch);
 508         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 509         Cvar_RegisterVariable (&sv_freezenonclients);
 510         Cvar_RegisterVariable (&sv_friction);
 511         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 512         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
 513         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 514         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 515         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 516         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 517         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 518         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 519         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 520         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 521         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 522         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 523         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
 524         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_separation);
 525         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 526         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
 527         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 528         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 529         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 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_init_frame_count);
 541         Cvar_RegisterVariable (&sv_idealpitchscale);
 542         Cvar_RegisterVariable (&sv_jumpstep);
 543         Cvar_RegisterVariable (&sv_jumpvelocity);
 544         Cvar_RegisterVariable (&sv_maxairspeed);
 545         Cvar_RegisterVariable (&sv_maxrate);
 546         Cvar_RegisterVariable (&sv_maxspeed);
 547         Cvar_RegisterVariable (&sv_maxvelocity);
 548         Cvar_RegisterVariable (&sv_nostep);
 549         Cvar_RegisterVariable (&sv_playerphysicsqc);
 550         Cvar_RegisterVariable (&sv_progs);
 551         Cvar_RegisterVariable (&sv_protocolname);
 552         Cvar_RegisterVariable (&sv_random_seed);
 553         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
 554         Cvar_RegisterVariable (&sv_sound_land);
 555         Cvar_RegisterVariable (&sv_sound_watersplash);
 556         Cvar_RegisterVariable (&sv_stepheight);
 557         Cvar_RegisterVariable (&sv_stopspeed);
 558         Cvar_RegisterVariable (&sv_wallfriction);
 559         Cvar_RegisterVariable (&sv_wateraccelerate);
 560         Cvar_RegisterVariable (&sv_waterfriction);
 561         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 562         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 563         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 564         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 565         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 566         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 567         Cvar_RegisterVariable (&sv_areadebug);
 568         Cvar_RegisterVariable (&sys_ticrate);
 569         Cvar_RegisterVariable (&teamplay);
 570         Cvar_RegisterVariable (&timelimit);
 571         Cvar_RegisterVariable (&sv_threaded);
 572
 573         Cvar_RegisterVariable (&saved1);
 574         Cvar_RegisterVariable (&saved2);
 575         Cvar_RegisterVariable (&saved3);
 576         Cvar_RegisterVariable (&saved4);
 577         Cvar_RegisterVariable (&savedgamecfg);
 578         Cvar_RegisterVariable (&scratch1);
 579         Cvar_RegisterVariable (&scratch2);
 580         Cvar_RegisterVariable (&scratch3);
 581         Cvar_RegisterVariable (&scratch4);
 582         Cvar_RegisterVariable (&temp1);
 583
 584         // LordHavoc: Nehahra uses these to pass data around cutscene demos
 585         Cvar_RegisterVariable (&nehx00);
 586         Cvar_RegisterVariable (&nehx01);
 587         Cvar_RegisterVariable (&nehx02);
 588         Cvar_RegisterVariable (&nehx03);
 589         Cvar_RegisterVariable (&nehx04);
 590         Cvar_RegisterVariable (&nehx05);
 591         Cvar_RegisterVariable (&nehx06);
 592         Cvar_RegisterVariable (&nehx07);
 593         Cvar_RegisterVariable (&nehx08);
 594         Cvar_RegisterVariable (&nehx09);
 595         Cvar_RegisterVariable (&nehx10);
 596         Cvar_RegisterVariable (&nehx11);
 597         Cvar_RegisterVariable (&nehx12);
 598         Cvar_RegisterVariable (&nehx13);
 599         Cvar_RegisterVariable (&nehx14);
 600         Cvar_RegisterVariable (&nehx15);
 601         Cvar_RegisterVariable (&nehx16);
 602         Cvar_RegisterVariable (&nehx17);
 603         Cvar_RegisterVariable (&nehx18);
 604         Cvar_RegisterVariable (&nehx19);
 605         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 606
 607         Cvar_RegisterVariable (&sv_autodemo_perclient);
 608         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 609         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
 610
 611         Cvar_RegisterVariable (&halflifebsp);
 612         Cvar_RegisterVariable (&sv_mapformat_is_quake2);
 613         Cvar_RegisterVariable (&sv_mapformat_is_quake3);
 614
 615         sv_mempool = Mem_AllocPool("server", 0, NULL);
 616 }
 617
 618 static void SV_SaveEntFile_f(void)
 619 {
 620         char vabuf[1024];
 621         if (!sv.active || !sv.worldmodel)
 622         {
 623                 Con_Print("Not running a server\n");
 624                 return;
 625         }
 626         FS_WriteFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 627 }
 628
 629
 630 /*
 631 =============================================================================
 632
 633 EVENT MESSAGES
 634
 635 =============================================================================
 636 */
 637
 638 /*
 639 ==================
 640 SV_StartParticle
 641
 642 Make sure the event gets sent to all clients
 643 ==================
 644 */
 645 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 646 {
 647         int i;
 648
 649         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 650                 return;
 651         MSG_WriteByte (&sv.datagram, svc_particle);
 652         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 653         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 654         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 655         for (i=0 ; i<3 ; i++)
 656                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 657         MSG_WriteByte (&sv.datagram, count);
 658         MSG_WriteByte (&sv.datagram, color);
 659         SV_FlushBroadcastMessages();
 660 }
 661
 662 /*
 663 ==================
 664 SV_StartEffect
 665
 666 Make sure the event gets sent to all clients
 667 ==================
 668 */
 669 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 670 {
 671         if (modelindex >= 256 || startframe >= 256)
 672         {
 673                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 674                         return;
 675                 MSG_WriteByte (&sv.datagram, svc_effect2);
 676                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 677                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 678                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 679                 MSG_WriteShort (&sv.datagram, modelindex);
 680                 MSG_WriteShort (&sv.datagram, startframe);
 681                 MSG_WriteByte (&sv.datagram, framecount);
 682                 MSG_WriteByte (&sv.datagram, framerate);
 683         }
 684         else
 685         {
 686                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 687                         return;
 688                 MSG_WriteByte (&sv.datagram, svc_effect);
 689                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 690                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 691                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 692                 MSG_WriteByte (&sv.datagram, modelindex);
 693                 MSG_WriteByte (&sv.datagram, startframe);
 694                 MSG_WriteByte (&sv.datagram, framecount);
 695                 MSG_WriteByte (&sv.datagram, framerate);
 696         }
 697         SV_FlushBroadcastMessages();
 698 }
 699
 700 /*
 701 ==================
 702 SV_StartSound
 703
 704 Each entity can have eight independant sound sources, like voice,
 705 weapon, feet, etc.
 706
 707 Channel 0 is an auto-allocate channel, the others override anything
 708 already running on that entity/channel pair.
 709
 710 An attenuation of 0 will play full volume everywhere in the level.
 711 Larger attenuations will drop off.  (max 4 attenuation)
 712
 713 ==================
 714 */
 715 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int nvolume, float attenuation, qboolean reliable, float speed)
 716 {
 717         prvm_prog_t *prog = SVVM_prog;
 718         sizebuf_t *dest;
 719         int sound_num, field_mask, i, ent, speed4000;
 720
 721         dest = (reliable ? &sv.reliable_datagram : &sv.datagram);
 722
 723         if (nvolume < 0 || nvolume > 255)
 724         {
 725                 Con_Printf ("SV_StartSound: volume = %i\n", nvolume);
 726                 return;
 727         }
 728
 729         if (attenuation < 0 || attenuation > 4)
 730         {
 731                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 732                 return;
 733         }
 734
 735         if (!IS_CHAN(channel))
 736         {
 737                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 738                 return;
 739         }
 740
 741         channel = CHAN_ENGINE2NET(channel);
 742
 743         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 744                 return;
 745
 746 // find precache number for sound
 747         sound_num = SV_SoundIndex(sample, 1);
 748         if (!sound_num)
 749                 return;
 750
 751         ent = PRVM_NUM_FOR_EDICT(entity);
 752
 753         speed4000 = (int)floor(speed * 4000.0f + 0.5f);
 754         field_mask = 0;
 755         if (nvolume != DEFAULT_SOUND_PACKET_VOLUME)
 756                 field_mask |= SND_VOLUME;
 757         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 758                 field_mask |= SND_ATTENUATION;
 759         if (speed4000 && speed4000 != 4000)
 760                 field_mask |= SND_SPEEDUSHORT4000;
 761         if (ent >= 8192 || channel < 0 || channel > 7)
 762                 field_mask |= SND_LARGEENTITY;
 763         if (sound_num >= 256)
 764                 field_mask |= SND_LARGESOUND;
 765
 766 // directed messages go only to the entity they are targeted on
 767         MSG_WriteByte (dest, svc_sound);
 768         MSG_WriteByte (dest, field_mask);
 769         if (field_mask & SND_VOLUME)
 770                 MSG_WriteByte (dest, nvolume);
 771         if (field_mask & SND_ATTENUATION)
 772                 MSG_WriteByte (dest, (int)(attenuation*64));
 773         if (field_mask & SND_SPEEDUSHORT4000)
 774                 MSG_WriteShort (dest, speed4000);
 775         if (field_mask & SND_LARGEENTITY)
 776         {
 777                 MSG_WriteShort (dest, ent);
 778                 MSG_WriteChar (dest, channel);
 779         }
 780         else
 781                 MSG_WriteShort (dest, (ent<<3) | channel);
 782         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 783                 MSG_WriteShort (dest, sound_num);
 784         else
 785                 MSG_WriteByte (dest, sound_num);
 786         for (i = 0;i < 3;i++)
 787                 MSG_WriteCoord (dest, PRVM_serveredictvector(entity, origin)[i]+0.5*(PRVM_serveredictvector(entity, mins)[i]+PRVM_serveredictvector(entity, maxs)[i]), sv.protocol);
 788
 789         // TODO do we have to do anything here when dest is &sv.reliable_datagram?
 790         if(!reliable)
 791                 SV_FlushBroadcastMessages();
 792 }
 793
 794 /*
 795 ==================
 796 SV_StartPointSound
 797
 798 Nearly the same logic as SV_StartSound, except an origin
 799 instead of an entity is provided and channel is omitted.
 800
 801 The entity sent to the client is 0 (world) and the channel
 802 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 803 function, therefore the check for it is omitted.
 804
 805 ==================
 806 */
 807 void SV_StartPointSound (vec3_t origin, const char *sample, int nvolume, float attenuation, float speed)
 808 {
 809         int sound_num, field_mask, i, speed4000;
 810
 811         if (nvolume < 0 || nvolume > 255)
 812         {
 813                 Con_Printf ("SV_StartPointSound: volume = %i\n", nvolume);
 814                 return;
 815         }
 816
 817         if (attenuation < 0 || attenuation > 4)
 818         {
 819                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 820                 return;
 821         }
 822
 823         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 824                 return;
 825
 826         // find precache number for sound
 827         sound_num = SV_SoundIndex(sample, 1);
 828         if (!sound_num)
 829                 return;
 830
 831         speed4000 = (int)(speed * 40.0f);
 832         field_mask = 0;
 833         if (nvolume != DEFAULT_SOUND_PACKET_VOLUME)
 834                 field_mask |= SND_VOLUME;
 835         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 836                 field_mask |= SND_ATTENUATION;
 837         if (sound_num >= 256)
 838                 field_mask |= SND_LARGESOUND;
 839         if (speed4000 && speed4000 != 4000)
 840                 field_mask |= SND_SPEEDUSHORT4000;
 841
 842 // directed messages go only to the entity they are targeted on
 843         MSG_WriteByte (&sv.datagram, svc_sound);
 844         MSG_WriteByte (&sv.datagram, field_mask);
 845         if (field_mask & SND_VOLUME)
 846                 MSG_WriteByte (&sv.datagram, nvolume);
 847         if (field_mask & SND_ATTENUATION)
 848                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 849         if (field_mask & SND_SPEEDUSHORT4000)
 850                 MSG_WriteShort (&sv.datagram, speed4000);
 851         // Always write entnum 0 for the world entity
 852         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 853         if (field_mask & SND_LARGESOUND)
 854                 MSG_WriteShort (&sv.datagram, sound_num);
 855         else
 856                 MSG_WriteByte (&sv.datagram, sound_num);
 857         for (i = 0;i < 3;i++)
 858                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 859         SV_FlushBroadcastMessages();
 860 }
 861
 862 /*
 863 ==============================================================================
 864
 865 CLIENT SPAWNING
 866
 867 ==============================================================================
 868 */
 869
 870 /*
 871 ================
 872 SV_SendServerinfo
 873
 874 Sends the first message from the server to a connected client.
 875 This will be sent on the initial connection and upon each server load.
 876 ================
 877 */
 878 void SV_SendServerinfo (client_t *client)
 879 {
 880         prvm_prog_t *prog = SVVM_prog;
 881         int i;
 882         char message[128];
 883         char vabuf[1024];
 884
 885         // we know that this client has a netconnection and thus is not a bot
 886
 887         // edicts get reallocated on level changes, so we need to update it here
 888         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 889
 890         // clear cached stuff that depends on the level
 891         client->weaponmodel[0] = 0;
 892         client->weaponmodelindex = 0;
 893
 894         // LordHavoc: clear entityframe tracking
 895         client->latestframenum = 0;
 896
 897         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 898         client->cmd.time = sv.time;
 899
 900         if (client->entitydatabase)
 901                 EntityFrame_FreeDatabase(client->entitydatabase);
 902         if (client->entitydatabase4)
 903                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 904         if (client->entitydatabase5)
 905                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 906
 907         memset(client->stats, 0, sizeof(client->stats));
 908         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 909
 910         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)
 911         {
 912                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 913                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 914                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 915                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 916                 else
 917                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 918         }
 919
 920         // reset csqc entity versions
 921         for (i = 0;i < prog->max_edicts;i++)
 922         {
 923                 client->csqcentityscope[i] = 0;
 924                 client->csqcentitysendflags[i] = 0xFFFFFF;
 925         }
 926         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 927         {
 928                 client->csqcentityframehistory[i].num = 0;
 929                 client->csqcentityframehistory[i].framenum = -1;
 930         }
 931         client->csqcnumedicts = 0;
 932         client->csqcentityframehistory_next = 0;
 933
 934         SZ_Clear (&client->netconnection->message);
 935         MSG_WriteByte (&client->netconnection->message, svc_print);
 936         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
 937         MSG_WriteString (&client->netconnection->message,message);
 938
 939         SV_StopDemoRecording(client); // to split up demos into different files
 940         if(sv_autodemo_perclient.integer)
 941         {
 942                 char demofile[MAX_OSPATH];
 943                 char ipaddress[MAX_QPATH];
 944                 size_t j;
 945
 946                 // start a new demo file
 947                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 948                 for(j = 0; ipaddress[j]; ++j)
 949                         if(!isalnum(ipaddress[j]))
 950                                 ipaddress[j] = '-';
 951                 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);
 952
 953                 SV_StartDemoRecording(client, demofile, -1);
 954         }
 955
 956         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 957         if (sv.csqc_progname[0])
 958         {
 959                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 960                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 961                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progname %s\n", sv.csqc_progname));
 962                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 963                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progsize %i\n", sv.csqc_progsize));
 964                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 965                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progcrc %i\n", sv.csqc_progcrc));
 966
 967                 if(client->sv_demo_file != NULL)
 968                 {
 969                         int k;
 970                         static char buf[NET_MAXMESSAGE];
 971                         sizebuf_t sb;
 972
 973                         sb.data = (unsigned char *) buf;
 974                         sb.maxsize = sizeof(buf);
 975                         k = 0;
 976                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, k++, &sb, sv.protocol))
 977                                 SV_WriteDemoMessage(client, &sb, false);
 978                 }
 979
 980                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 981                 if (PRVM_GetString(prog, PRVM_serverglobalstring(SV_InitCmd)))
 982                 {
 983                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 984                         MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "%s\n", PRVM_GetString(prog, PRVM_serverglobalstring(SV_InitCmd))));
 985                 }
 986         }
 987
 988         //if (sv_allowdownloads.integer)
 989         // always send the info that the server supports the protocol, even if downloads are forbidden
 990         // only because of that, the CSQC exception can work
 991         {
 992                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 993                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
 994         }
 995
 996         // send at this time so it's guaranteed to get executed at the right time
 997         {
 998                 client_t *save;
 999                 save = host_client;
1000                 host_client = client;
1001                 Curl_SendRequirements();
1002                 host_client = save;
1003         }
1004
1005         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
1006         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
1007         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
1008
1009         if (!coop.integer && deathmatch.integer)
1010                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
1011         else
1012                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
1013
1014         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)));
1015
1016         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
1017                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
1018         MSG_WriteByte (&client->netconnection->message, 0);
1019
1020         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
1021                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
1022         MSG_WriteByte (&client->netconnection->message, 0);
1023
1024 // send music
1025         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
1026         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1027         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1028
1029 // set view
1030 // store this in clientcamera, too
1031         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
1032         MSG_WriteByte (&client->netconnection->message, svc_setview);
1033         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
1034
1035         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
1036         MSG_WriteByte (&client->netconnection->message, 1);
1037
1038         client->prespawned = false;             // need prespawn, spawn, etc
1039         client->spawned = false;                // need prespawn, spawn, etc
1040         client->begun = false;                  // need prespawn, spawn, etc
1041         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
1042
1043         // clear movement info until client enters the new level properly
1044         memset(&client->cmd, 0, sizeof(client->cmd));
1045         client->movesequence = 0;
1046         client->movement_highestsequence_seen = 0;
1047         memset(&client->movement_count, 0, sizeof(client->movement_count));
1048 #ifdef NUM_PING_TIMES
1049         for (i = 0;i < NUM_PING_TIMES;i++)
1050                 client->ping_times[i] = 0;
1051         client->num_pings = 0;
1052 #endif
1053         client->ping = 0;
1054
1055         // allow the client some time to send his keepalives, even if map loading took ages
1056         client->netconnection->timeout = realtime + net_connecttimeout.value;
1057 }
1058
1059 /*
1060 ================
1061 SV_ConnectClient
1062
1063 Initializes a client_t for a new net connection.  This will only be called
1064 once for a player each game, not once for each level change.
1065 ================
1066 */
1067 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
1068 {
1069         prvm_prog_t *prog = SVVM_prog;
1070         client_t                *client;
1071         int                             i;
1072
1073         client = svs.clients + clientnum;
1074
1075 // set up the client_t
1076         if (sv.loadgame)
1077         {
1078                 float backupparms[NUM_SPAWN_PARMS];
1079                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
1080                 memset(client, 0, sizeof(*client));
1081                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
1082         }
1083         else
1084                 memset(client, 0, sizeof(*client));
1085         client->active = true;
1086         client->netconnection = netconnection;
1087
1088         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
1089
1090         if(client->netconnection && client->netconnection->crypto.authenticated)
1091         {
1092                 Con_Printf("%s connection to %s has been established: client is %s@%s%.*s, I am %.*s@%s%.*s\n",
1093                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
1094                                 client->netconnection->address,
1095                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
1096                                 (client->netconnection->crypto.client_issigned || !client->netconnection->crypto.client_keyfp[0]) ? "" : "~",
1097                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1098                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1099                                 (client->netconnection->crypto.server_issigned || !client->netconnection->crypto.server_keyfp[0]) ? "" : "~",
1100                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1101                                 );
1102         }
1103
1104         strlcpy(client->name, "unconnected", sizeof(client->name));
1105         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1106         client->prespawned = false;
1107         client->spawned = false;
1108         client->begun = false;
1109         client->edict = PRVM_EDICT_NUM(clientnum+1);
1110         if (client->netconnection)
1111                 client->netconnection->message.allowoverflow = true;            // we can catch it
1112         // prepare the unreliable message buffer
1113         client->unreliablemsg.data = client->unreliablemsg_data;
1114         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1115         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1116         client->rate = 1000000000;
1117         client->connecttime = realtime;
1118
1119         if (!sv.loadgame)
1120         {
1121                 // call the progs to get default spawn parms for the new client
1122                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1123                 PRVM_serverglobalfloat(time) = sv.time;
1124                 PRVM_serverglobaledict(self) = 0;
1125                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetNewParms), "QC function SetNewParms is missing");
1126                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1127                         client->spawn_parms[i] = (&PRVM_serverglobalfloat(parm1))[i];
1128
1129                 // set up the entity for this client (including .colormap, .team, etc)
1130                 PRVM_ED_ClearEdict(prog, client->edict);
1131         }
1132
1133         // don't call SendServerinfo for a fresh botclient because its fields have
1134         // not been set up by the qc yet
1135         if (client->netconnection)
1136                 SV_SendServerinfo (client);
1137         else
1138                 client->prespawned = client->spawned = client->begun = true;
1139 }
1140
1141
1142 /*
1143 ===============================================================================
1144
1145 FRAME UPDATES
1146
1147 ===============================================================================
1148 */
1149
1150 /*
1151 =============================================================================
1152
1153 The PVS must include a small area around the client to allow head bobbing
1154 or other small motion on the client side.  Otherwise, a bob might cause an
1155 entity that should be visible to not show up, especially when the bob
1156 crosses a waterline.
1157
1158 =============================================================================
1159 */
1160
1161 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1162 {
1163         prvm_prog_t *prog = SVVM_prog;
1164         int i;
1165         unsigned int sendflags;
1166         unsigned int version;
1167         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1168         unsigned int customizeentityforclient;
1169         unsigned int sendentity;
1170         float f;
1171         prvm_vec_t *v;
1172         vec3_t cullmins, cullmaxs;
1173         dp_model_t *model;
1174
1175         // fast path for games that do not use legacy entity networking
1176         // note: still networks clients even if they are legacy
1177         sendentity = PRVM_serveredictfunction(ent, SendEntity);
1178         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1179                 return false;
1180
1181         // this 2 billion unit check is actually to detect NAN origins
1182         // (we really don't want to send those)
1183         if (!(VectorLength2(PRVM_serveredictvector(ent, origin)) < 2000000000.0*2000000000.0))
1184                 return false;
1185
1186         // EF_NODRAW prevents sending for any reason except for your own
1187         // client, so we must keep all clients in this superset
1188         effects = (unsigned)PRVM_serveredictfloat(ent, effects);
1189
1190         // we can omit invisible entities with no effects that are not clients
1191         // LordHavoc: this could kill tags attached to an invisible entity, I
1192         // just hope we never have to support that case
1193         i = (int)PRVM_serveredictfloat(ent, modelindex);
1194         modelindex = (i >= 1 && i < MAX_MODELS && PRVM_serveredictstring(ent, model) && *PRVM_GetString(prog, PRVM_serveredictstring(ent, model)) && sv.models[i]) ? i : 0;
1195
1196         flags = 0;
1197         i = (int)(PRVM_serveredictfloat(ent, glow_size) * 0.25f);
1198         glowsize = (unsigned char)bound(0, i, 255);
1199         if (PRVM_serveredictfloat(ent, glow_trail))
1200                 flags |= RENDER_GLOWTRAIL;
1201         if (PRVM_serveredictedict(ent, viewmodelforclient))
1202                 flags |= RENDER_VIEWMODEL;
1203
1204         v = PRVM_serveredictvector(ent, color);
1205         f = v[0]*256;
1206         light[0] = (unsigned short)bound(0, f, 65535);
1207         f = v[1]*256;
1208         light[1] = (unsigned short)bound(0, f, 65535);
1209         f = v[2]*256;
1210         light[2] = (unsigned short)bound(0, f, 65535);
1211         f = PRVM_serveredictfloat(ent, light_lev);
1212         light[3] = (unsigned short)bound(0, f, 65535);
1213         lightstyle = (unsigned char)PRVM_serveredictfloat(ent, style);
1214         lightpflags = (unsigned char)PRVM_serveredictfloat(ent, pflags);
1215
1216         if (gamemode == GAME_TENEBRAE)
1217         {
1218                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1219                 if (effects & 16)
1220                 {
1221                         effects &= ~16;
1222                         lightpflags |= PFLAGS_FULLDYNAMIC;
1223                 }
1224                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1225                 if (effects & 32)
1226                 {
1227                         effects &= ~32;
1228                         light[0] = (int)(0.2*256);
1229                         light[1] = (int)(1.0*256);
1230                         light[2] = (int)(0.2*256);
1231                         light[3] = 200;
1232                         lightpflags |= PFLAGS_FULLDYNAMIC;
1233                 }
1234         }
1235
1236         specialvisibilityradius = 0;
1237         if (lightpflags & PFLAGS_FULLDYNAMIC)
1238                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1239         if (glowsize)
1240                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1241         if (flags & RENDER_GLOWTRAIL)
1242                 specialvisibilityradius = max(specialvisibilityradius, 100);
1243         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1244         {
1245                 if (effects & EF_BRIGHTFIELD)
1246                         specialvisibilityradius = max(specialvisibilityradius, 80);
1247                 if (effects & EF_MUZZLEFLASH)
1248                         specialvisibilityradius = max(specialvisibilityradius, 100);
1249                 if (effects & EF_BRIGHTLIGHT)
1250                         specialvisibilityradius = max(specialvisibilityradius, 400);
1251                 if (effects & EF_DIMLIGHT)
1252                         specialvisibilityradius = max(specialvisibilityradius, 200);
1253                 if (effects & EF_RED)
1254                         specialvisibilityradius = max(specialvisibilityradius, 200);
1255                 if (effects & EF_BLUE)
1256                         specialvisibilityradius = max(specialvisibilityradius, 200);
1257                 if (effects & EF_FLAME)
1258                         specialvisibilityradius = max(specialvisibilityradius, 250);
1259                 if (effects & EF_STARDUST)
1260                         specialvisibilityradius = max(specialvisibilityradius, 100);
1261         }
1262
1263         // early culling checks
1264         // (final culling is done by SV_MarkWriteEntityStateToClient)
1265         customizeentityforclient = PRVM_serveredictfunction(ent, customizeentityforclient);
1266         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1267                 return false;
1268
1269         *cs = defaultstate;
1270         cs->active = ACTIVE_NETWORK;
1271         cs->number = enumber;
1272         VectorCopy(PRVM_serveredictvector(ent, origin), cs->origin);
1273         VectorCopy(PRVM_serveredictvector(ent, angles), cs->angles);
1274         cs->flags = flags;
1275         cs->effects = effects;
1276         cs->colormap = (unsigned)PRVM_serveredictfloat(ent, colormap);
1277         cs->modelindex = modelindex;
1278         cs->skin = (unsigned)PRVM_serveredictfloat(ent, skin);
1279         cs->frame = (unsigned)PRVM_serveredictfloat(ent, frame);
1280         cs->viewmodelforclient = PRVM_serveredictedict(ent, viewmodelforclient);
1281         cs->exteriormodelforclient = PRVM_serveredictedict(ent, exteriormodeltoclient);
1282         cs->nodrawtoclient = PRVM_serveredictedict(ent, nodrawtoclient);
1283         cs->drawonlytoclient = PRVM_serveredictedict(ent, drawonlytoclient);
1284         cs->customizeentityforclient = customizeentityforclient;
1285         cs->tagentity = PRVM_serveredictedict(ent, tag_entity);
1286         cs->tagindex = (unsigned char)PRVM_serveredictfloat(ent, tag_index);
1287         cs->glowsize = glowsize;
1288         cs->traileffectnum = PRVM_serveredictfloat(ent, traileffectnum);
1289
1290         // don't need to init cs->colormod because the defaultstate did that for us
1291         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1292         v = PRVM_serveredictvector(ent, colormod);
1293         if (VectorLength2(v))
1294         {
1295                 i = (int)(v[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1296                 i = (int)(v[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1297                 i = (int)(v[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1298         }
1299
1300         // don't need to init cs->glowmod because the defaultstate did that for us
1301         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1302         v = PRVM_serveredictvector(ent, glowmod);
1303         if (VectorLength2(v))
1304         {
1305                 i = (int)(v[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1306                 i = (int)(v[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1307                 i = (int)(v[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1308         }
1309
1310         cs->modelindex = modelindex;
1311
1312         cs->alpha = 255;
1313         f = (PRVM_serveredictfloat(ent, alpha) * 255.0f);
1314         if (f)
1315         {
1316                 i = (int)f;
1317                 cs->alpha = (unsigned char)bound(0, i, 255);
1318         }
1319         // halflife
1320         f = (PRVM_serveredictfloat(ent, renderamt));
1321         if (f)
1322         {
1323                 i = (int)f;
1324                 cs->alpha = (unsigned char)bound(0, i, 255);
1325         }
1326
1327         cs->scale = 16;
1328         f = (PRVM_serveredictfloat(ent, scale) * 16.0f);
1329         if (f)
1330         {
1331                 i = (int)f;
1332                 cs->scale = (unsigned char)bound(0, i, 255);
1333         }
1334
1335         cs->glowcolor = 254;
1336         f = PRVM_serveredictfloat(ent, glow_color);
1337         if (f)
1338                 cs->glowcolor = (int)f;
1339
1340         if (PRVM_serveredictfloat(ent, fullbright))
1341                 cs->effects |= EF_FULLBRIGHT;
1342
1343         f = PRVM_serveredictfloat(ent, modelflags);
1344         if (f)
1345                 cs->effects |= ((unsigned int)f & 0xff) << 24;
1346
1347         if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
1348                 cs->flags |= RENDER_STEP;
1349         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)
1350                 cs->flags |= RENDER_LOWPRECISION;
1351         if (PRVM_serveredictfloat(ent, colormap) >= 1024)
1352                 cs->flags |= RENDER_COLORMAPPED;
1353         if (cs->viewmodelforclient)
1354                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1355
1356         if (PRVM_serveredictfloat(ent, sendcomplexanimation))
1357         {
1358                 cs->flags |= RENDER_COMPLEXANIMATION;
1359                 if (PRVM_serveredictfloat(ent, skeletonindex) >= 1)
1360                         cs->skeletonobject = ent->priv.server->skeleton;
1361                 cs->framegroupblend[0].frame = PRVM_serveredictfloat(ent, frame);
1362                 cs->framegroupblend[1].frame = PRVM_serveredictfloat(ent, frame2);
1363                 cs->framegroupblend[2].frame = PRVM_serveredictfloat(ent, frame3);
1364                 cs->framegroupblend[3].frame = PRVM_serveredictfloat(ent, frame4);
1365                 cs->framegroupblend[0].start = PRVM_serveredictfloat(ent, frame1time);
1366                 cs->framegroupblend[1].start = PRVM_serveredictfloat(ent, frame2time);
1367                 cs->framegroupblend[2].start = PRVM_serveredictfloat(ent, frame3time);
1368                 cs->framegroupblend[3].start = PRVM_serveredictfloat(ent, frame4time);
1369                 cs->framegroupblend[1].lerp = PRVM_serveredictfloat(ent, lerpfrac);
1370                 cs->framegroupblend[2].lerp = PRVM_serveredictfloat(ent, lerpfrac3);
1371                 cs->framegroupblend[3].lerp = PRVM_serveredictfloat(ent, lerpfrac4);
1372                 cs->framegroupblend[0].lerp = 1.0f - cs->framegroupblend[1].lerp - cs->framegroupblend[2].lerp - cs->framegroupblend[3].lerp;
1373                 cs->frame = 0; // don't need the legacy frame
1374         }
1375
1376         cs->light[0] = light[0];
1377         cs->light[1] = light[1];
1378         cs->light[2] = light[2];
1379         cs->light[3] = light[3];
1380         cs->lightstyle = lightstyle;
1381         cs->lightpflags = lightpflags;
1382
1383         cs->specialvisibilityradius = specialvisibilityradius;
1384
1385         // calculate the visible box of this entity (don't use the physics box
1386         // as that is often smaller than a model, and would not count
1387         // specialvisibilityradius)
1388         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1389         {
1390                 float scale = cs->scale * (1.0f / 16.0f);
1391                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1392                 {
1393                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1394                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1395                 }
1396                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1397                 {
1398                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1399                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1400                 }
1401                 else
1402                 {
1403                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1404                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1405                 }
1406         }
1407         else
1408         {
1409                 // if there is no model (or it could not be loaded), use the physics box
1410                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, mins), cullmins);
1411                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, maxs), cullmaxs);
1412         }
1413         if (specialvisibilityradius)
1414         {
1415                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1416                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1417                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1418                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1419                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1420                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1421         }
1422
1423         // calculate center of bbox for network prioritization purposes
1424         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1425
1426         // if culling box has moved, update pvs cluster links
1427         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1428         {
1429                 VectorCopy(cullmins, ent->priv.server->cullmins);
1430                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1431                 // a value of -1 for pvs_numclusters indicates that the links are not
1432                 // cached, and should be re-tested each time, this is the case if the
1433                 // culling box touches too many pvs clusters to store, or if the world
1434                 // model does not support FindBoxClusters
1435                 ent->priv.server->pvs_numclusters = -1;
1436                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1437                 {
1438                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1439                         if (i <= MAX_ENTITYCLUSTERS)
1440                                 ent->priv.server->pvs_numclusters = i;
1441                 }
1442         }
1443
1444         // we need to do some csqc entity upkeep here
1445         // get self.SendFlags and clear them
1446         // (to let the QC know that they've been read)
1447         if (sendentity)
1448         {
1449                 sendflags = (unsigned int)PRVM_serveredictfloat(ent, SendFlags);
1450                 PRVM_serveredictfloat(ent, SendFlags) = 0;
1451                 // legacy self.Version system
1452                 if ((version = (unsigned int)PRVM_serveredictfloat(ent, Version)))
1453                 {
1454                         if (sv.csqcentityversion[enumber] != version)
1455                                 sendflags = 0xFFFFFF;
1456                         sv.csqcentityversion[enumber] = version;
1457                 }
1458                 // move sendflags into the per-client sendflags
1459                 if (sendflags)
1460                         for (i = 0;i < svs.maxclients;i++)
1461                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1462                 // mark it as inactive for non-csqc networking
1463                 cs->active = ACTIVE_SHARED;
1464         }
1465
1466         return true;
1467 }
1468
1469 static void SV_PrepareEntitiesForSending(void)
1470 {
1471         prvm_prog_t *prog = SVVM_prog;
1472         int e;
1473         prvm_edict_t *ent;
1474         // send all entities that touch the pvs
1475         sv.numsendentities = 0;
1476         sv.sendentitiesindex[0] = NULL;
1477         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1478         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1479         {
1480                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1481                 {
1482                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1483                         sv.numsendentities++;
1484                 }
1485         }
1486 }
1487
1488 #define MAX_LINEOFSIGHTTRACES 64
1489
1490 qboolean SV_CanSeeBox(int numtraces, vec_t eyejitter, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1491 {
1492         prvm_prog_t *prog = SVVM_prog;
1493         float pitchsign;
1494         float alpha;
1495         float starttransformed[3], endtransformed[3];
1496         float boxminstransformed[3], boxmaxstransformed[3];
1497         float localboxcenter[3], localboxextents[3], localboxmins[3], localboxmaxs[3];
1498         int blocked = 0;
1499         int traceindex;
1500         int originalnumtouchedicts;
1501         int numtouchedicts = 0;
1502         int touchindex;
1503         matrix4x4_t matrix, imatrix;
1504         dp_model_t *model;
1505         prvm_edict_t *touch;
1506         static prvm_edict_t *touchedicts[MAX_EDICTS];
1507         vec3_t eyemins, eyemaxs, start;
1508         vec3_t boxmins, boxmaxs;
1509         vec3_t clipboxmins, clipboxmaxs;
1510         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1511
1512         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1513
1514         // jitter the eye location within this box
1515         eyemins[0] = eye[0] - eyejitter;
1516         eyemaxs[0] = eye[0] + eyejitter;
1517         eyemins[1] = eye[1] - eyejitter;
1518         eyemaxs[1] = eye[1] + eyejitter;
1519         eyemins[2] = eye[2] - eyejitter;
1520         eyemaxs[2] = eye[2] + eyejitter;
1521         // expand the box a little
1522         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1523         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1524         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1525         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1526         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1527         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1528
1529         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1530         for (traceindex = 1;traceindex < numtraces;traceindex++)
1531                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1532
1533         // calculate sweep box for the entire swarm of traces
1534         VectorCopy(eyemins, clipboxmins);
1535         VectorCopy(eyemaxs, clipboxmaxs);
1536         for (traceindex = 0;traceindex < numtraces;traceindex++)
1537         {
1538                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1539                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1540                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1541                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1542                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1543                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1544         }
1545
1546         // get the list of entities in the sweep box
1547         if (sv_cullentities_trace_entityocclusion.integer)
1548                 numtouchedicts = SV_EntitiesInBox(clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1549         if (numtouchedicts > MAX_EDICTS)
1550         {
1551                 // this never happens
1552                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1553                 numtouchedicts = MAX_EDICTS;
1554         }
1555         // iterate the entities found in the sweep box and filter them
1556         originalnumtouchedicts = numtouchedicts;
1557         numtouchedicts = 0;
1558         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1559         {
1560                 touch = touchedicts[touchindex];
1561                 if (PRVM_serveredictfloat(touch, solid) != SOLID_BSP)
1562                         continue;
1563                 model = SV_GetModelFromEdict(touch);
1564                 if (!model || !model->brush.TraceLineOfSight)
1565                         continue;
1566                 // skip obviously transparent entities
1567                 alpha = PRVM_serveredictfloat(touch, alpha);
1568                 if (alpha && alpha < 1)
1569                         continue;
1570                 if ((int)PRVM_serveredictfloat(touch, effects) & EF_ADDITIVE)
1571                         continue;
1572                 touchedicts[numtouchedicts++] = touch;
1573         }
1574
1575         // now that we have a filtered list of "interesting" entities, fire each
1576         // ray against all of them, this gives us an early-out case when something
1577         // is visible (which it often is)
1578
1579         for (traceindex = 0;traceindex < numtraces;traceindex++)
1580         {
1581                 VectorSet(start, lhrandom(eyemins[0], eyemaxs[0]), lhrandom(eyemins[1], eyemaxs[1]), lhrandom(eyemins[2], eyemaxs[2]));
1582                 // check world occlusion
1583                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1584                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, start, endpoints[traceindex], boxmins, boxmaxs))
1585                                 continue;
1586                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1587                 {
1588                         touch = touchedicts[touchindex];
1589                         model = SV_GetModelFromEdict(touch);
1590                         if(model && model->brush.TraceLineOfSight)
1591                         {
1592                                 // get the entity matrix
1593                                 pitchsign = SV_GetPitchSign(prog, touch);
1594                                 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);
1595                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1596                                 // see if the ray hits this entity
1597                                 Matrix4x4_Transform(&imatrix, start, starttransformed);
1598                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1599                                 Matrix4x4_Transform(&imatrix, boxmins, boxminstransformed);
1600                                 Matrix4x4_Transform(&imatrix, boxmaxs, boxmaxstransformed);
1601                                 // transform the AABB to local space
1602                                 VectorMAM(0.5f, boxminstransformed, 0.5f, boxmaxstransformed, localboxcenter);
1603                                 localboxextents[0] = fabs(boxmaxstransformed[0] - localboxcenter[0]);
1604                                 localboxextents[1] = fabs(boxmaxstransformed[1] - localboxcenter[1]);
1605                                 localboxextents[2] = fabs(boxmaxstransformed[2] - localboxcenter[2]);
1606                                 localboxmins[0] = localboxcenter[0] - localboxextents[0];
1607                                 localboxmins[1] = localboxcenter[1] - localboxextents[1];
1608                                 localboxmins[2] = localboxcenter[2] - localboxextents[2];
1609                                 localboxmaxs[0] = localboxcenter[0] + localboxextents[0];
1610                                 localboxmaxs[1] = localboxcenter[1] + localboxextents[1];
1611                                 localboxmaxs[2] = localboxcenter[2] + localboxextents[2];
1612                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed, localboxmins, localboxmaxs))
1613                                 {
1614                                         blocked++;
1615                                         break;
1616                                 }
1617                         }
1618                 }
1619                 // check if the ray was blocked
1620                 if (touchindex < numtouchedicts)
1621                         continue;
1622                 // return if the ray was not blocked
1623                 return true;
1624         }
1625
1626         // no rays survived
1627         return false;
1628 }
1629
1630 static void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1631 {
1632         prvm_prog_t *prog = SVVM_prog;
1633         int isbmodel;
1634         dp_model_t *model;
1635         prvm_edict_t *ed;
1636         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1637                 return;
1638         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1639         sv.writeentitiestoclient_stats_totalentities++;
1640
1641         if (s->customizeentityforclient)
1642         {
1643                 PRVM_serverglobalfloat(time) = sv.time;
1644                 PRVM_serverglobaledict(self) = s->number;
1645                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1646                 prog->ExecuteProgram(prog, s->customizeentityforclient, "customizeentityforclient: NULL function");
1647                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1648                         return;
1649         }
1650
1651         // never reject player
1652         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1653         {
1654                 // check various rejection conditions
1655                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1656                         return;
1657                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1658                         return;
1659                 if (s->effects & EF_NODRAW)
1660                         return;
1661                 // LordHavoc: only send entities with a model or important effects
1662                 if (!s->modelindex && s->specialvisibilityradius == 0)
1663                         return;
1664
1665                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1666                 // viewmodels don't have visibility checking
1667                 if (s->viewmodelforclient)
1668                 {
1669                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1670                                 return;
1671                 }
1672                 else if (s->tagentity)
1673                 {
1674                         // tag attached entities simply check their parent
1675                         if (!sv.sendentitiesindex[s->tagentity])
1676                                 return;
1677                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1678                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1679                                 return;
1680                 }
1681                 // always send world submodels in newer protocols because they don't
1682                 // generate much traffic (in old protocols they hog bandwidth)
1683                 // but only if sv_cullentities_nevercullbmodels is off
1684                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1685                 {
1686                         // entity has survived every check so far, check if visible
1687                         ed = PRVM_EDICT_NUM(s->number);
1688
1689                         // if not touching a visible leaf
1690                         if (sv_cullentities_pvs.integer && !r_novis.integer && !r_trippy.integer && sv.writeentitiestoclient_pvsbytes)
1691                         {
1692                                 if (ed->priv.server->pvs_numclusters < 0)
1693                                 {
1694                                         // entity too big for clusters list
1695                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1696                                         {
1697                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1698                                                 return;
1699                                         }
1700                                 }
1701                                 else
1702                                 {
1703                                         int i;
1704                                         // check cached clusters list
1705                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1706                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1707                                                         break;
1708                                         if (i == ed->priv.server->pvs_numclusters)
1709                                         {
1710                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1711                                                 return;
1712                                         }
1713                                 }
1714                         }
1715
1716                         // or not seen by random tracelines
1717                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight && !r_trippy.integer)
1718                         {
1719                                 int samples =
1720                                         s->number <= svs.maxclients
1721                                                 ? sv_cullentities_trace_samples_players.integer
1722                                                 :
1723                                         s->specialvisibilityradius
1724                                                 ? sv_cullentities_trace_samples_extra.integer
1725                                                 : sv_cullentities_trace_samples.integer;
1726                                 float enlarge = sv_cullentities_trace_enlarge.value;
1727
1728                                 if(samples > 0)
1729                                 {
1730                                         int eyeindex;
1731                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1732                                                 if(SV_CanSeeBox(samples, sv_cullentities_trace_eyejitter.value, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1733                                                         break;
1734                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1735                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1736                                                         realtime + (
1737                                                                 s->number <= svs.maxclients
1738                                                                         ? sv_cullentities_trace_delay_players.value
1739                                                                         : sv_cullentities_trace_delay.value
1740                                                         );
1741                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1742                                         {
1743                                                 sv.writeentitiestoclient_stats_culled_trace++;
1744                                                 return;
1745                                         }
1746                                 }
1747                         }
1748                 }
1749         }
1750
1751         // this just marks it for sending
1752         // FIXME: it would be more efficient to send here, but the entity
1753         // compressor isn't that flexible
1754         sv.writeentitiestoclient_stats_visibleentities++;
1755         sv.sententities[s->number] = sv.sententitiesmark;
1756 }
1757
1758 #if MAX_LEVELNETWORKEYES > 0
1759 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1760 static void SV_AddCameraEyes(void)
1761 {
1762         prvm_prog_t *prog = SVVM_prog;
1763         int e, i, j, k;
1764         prvm_edict_t *ed;
1765         static int cameras[MAX_LEVELNETWORKEYES];
1766         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1767         static int eye_levels[MAX_CLIENTNETWORKEYES];
1768         int n_cameras = 0;
1769         vec3_t mi, ma;
1770
1771         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1772                 eye_levels[i] = 0;
1773
1774         // check line of sight to portal entities and add them to PVS
1775         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1776         {
1777                 if (!ed->priv.server->free)
1778                 {
1779                         if(PRVM_serveredictfunction(ed, camera_transform))
1780                         {
1781                                 PRVM_serverglobalfloat(time) = sv.time;
1782                                 PRVM_serverglobaledict(self) = e;
1783                                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1784                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_serverglobalvector(trace_endpos));
1785                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1786                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1787                                 prog->ExecuteProgram(prog, PRVM_serveredictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1788                                 if(!VectorCompare(PRVM_serverglobalvector(trace_endpos), sv.writeentitiestoclient_eyes[0]))
1789                                 {
1790                                         VectorCopy(PRVM_serverglobalvector(trace_endpos), camera_origins[n_cameras]);
1791                                         cameras[n_cameras] = e;
1792                                         ++n_cameras;
1793                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1794                                                 break;
1795                                 }
1796                         }
1797                 }
1798         }
1799
1800         if(!n_cameras)
1801                 return;
1802
1803         // i is loop counter, is reset to 0 when an eye got added
1804         // j is camera index to check
1805         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1806         {
1807                 if(!cameras[j])
1808                         continue;
1809                 ed = PRVM_EDICT_NUM(cameras[j]);
1810                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, mins), mi);
1811                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, maxs), ma);
1812                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1813                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1814                 {
1815                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_eyejitter.value, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1816                         {
1817                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1818                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1819                                 // 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);
1820                                 sv.writeentitiestoclient_numeyes++;
1821                                 cameras[j] = 0;
1822                                 i = 0;
1823                                 break;
1824                         }
1825                 }
1826         }
1827 }
1828 #else
1829 void SV_AddCameraEyes(void)
1830 {
1831 }
1832 #endif
1833
1834 static void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1835 {
1836         prvm_prog_t *prog = SVVM_prog;
1837         qboolean need_empty = false;
1838         int i, numsendstates, numcsqcsendstates;
1839         entity_state_t *s;
1840         prvm_edict_t *camera;
1841         qboolean success;
1842         vec3_t eye;
1843
1844         // if there isn't enough space to accomplish anything, skip it
1845         if (msg->cursize + 25 > maxsize)
1846                 return;
1847
1848         sv.writeentitiestoclient_msg = msg;
1849         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1850
1851         sv.writeentitiestoclient_stats_culled_pvs = 0;
1852         sv.writeentitiestoclient_stats_culled_trace = 0;
1853         sv.writeentitiestoclient_stats_visibleentities = 0;
1854         sv.writeentitiestoclient_stats_totalentities = 0;
1855         sv.writeentitiestoclient_numeyes = 0;
1856
1857         // get eye location
1858         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1859         camera = PRVM_EDICT_NUM( client->clientcamera );
1860         VectorAdd(PRVM_serveredictvector(camera, origin), PRVM_serveredictvector(clent, view_ofs), eye);
1861         sv.writeentitiestoclient_pvsbytes = 0;
1862         // get the PVS values for the eye location, later FatPVS calls will merge
1863         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1864                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1865
1866         // add the eye to a list for SV_CanSeeBox tests
1867         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1868         sv.writeentitiestoclient_numeyes++;
1869
1870         // calculate predicted eye origin for SV_CanSeeBox tests
1871         if (sv_cullentities_trace_prediction.integer)
1872         {
1873                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1874                 vec3_t predeye;
1875                 VectorMA(eye, predtime, PRVM_serveredictvector(camera, velocity), predeye);
1876                 if (SV_CanSeeBox(1, 0, 0, eye, predeye, predeye))
1877                 {
1878                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1879                         sv.writeentitiestoclient_numeyes++;
1880                 }
1881                 //if (!sv.writeentitiestoclient_useprediction)
1882                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1883         }
1884
1885         SV_AddCameraEyes();
1886
1887         // build PVS from the new eyes
1888         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1889                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1890                         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);
1891
1892         sv.sententitiesmark++;
1893
1894         for (i = 0;i < sv.numsendentities;i++)
1895                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1896
1897         numsendstates = 0;
1898         numcsqcsendstates = 0;
1899         for (i = 0;i < sv.numsendentities;i++)
1900         {
1901                 s = &sv.sendentities[i];
1902                 if (sv.sententities[s->number] == sv.sententitiesmark)
1903                 {
1904                         if(s->active == ACTIVE_NETWORK)
1905                         {
1906                                 if (s->exteriormodelforclient)
1907                                 {
1908                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1909                                                 s->flags |= RENDER_EXTERIORMODEL;
1910                                         else
1911                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1912                                 }
1913                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1914                         }
1915                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1916                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1917                         else
1918                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1919                 }
1920         }
1921
1922         if (sv_cullentities_stats.integer)
1923                 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);
1924
1925         if(client->entitydatabase5)
1926                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1927         else
1928                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1929
1930         // force every 16th frame to be not empty (or cl_movement replay takes
1931         // too long)
1932         // BTW, this should normally not kick in any more due to the check
1933         // below, except if the client stopped sending movement frames
1934         if(client->num_skippedentityframes >= 16)
1935                 need_empty = true;
1936
1937         // help cl_movement a bit more
1938         if(client->movesequence != client->lastmovesequence)
1939                 need_empty = true;
1940         client->lastmovesequence = client->movesequence;
1941
1942         if (client->entitydatabase5)
1943                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1944         else if (client->entitydatabase4)
1945         {
1946                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1947                 Protocol_WriteStatsReliable();
1948         }
1949         else if (client->entitydatabase)
1950         {
1951                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1952                 Protocol_WriteStatsReliable();
1953         }
1954         else
1955         {
1956                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1957                 Protocol_WriteStatsReliable();
1958         }
1959
1960         if(success)
1961                 client->num_skippedentityframes = 0;
1962         else
1963                 ++client->num_skippedentityframes;
1964 }
1965
1966 /*
1967 =============
1968 SV_CleanupEnts
1969
1970 =============
1971 */
1972 static void SV_CleanupEnts (void)
1973 {
1974         prvm_prog_t *prog = SVVM_prog;
1975         int             e;
1976         prvm_edict_t    *ent;
1977
1978         ent = PRVM_NEXT_EDICT(prog->edicts);
1979         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1980                 PRVM_serveredictfloat(ent, effects) = (int)PRVM_serveredictfloat(ent, effects) & ~EF_MUZZLEFLASH;
1981 }
1982
1983 /*
1984 ==================
1985 SV_WriteClientdataToMessage
1986
1987 ==================
1988 */
1989 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1990 {
1991         prvm_prog_t *prog = SVVM_prog;
1992         int             bits;
1993         int             i;
1994         prvm_edict_t    *other;
1995         int             items;
1996         vec3_t  punchvector;
1997         int             viewzoom;
1998         const char *s;
1999         float   *statsf = (float *)stats;
2000         float gravity;
2001
2002 //
2003 // send a damage message
2004 //
2005         if (PRVM_serveredictfloat(ent, dmg_take) || PRVM_serveredictfloat(ent, dmg_save))
2006         {
2007                 other = PRVM_PROG_TO_EDICT(PRVM_serveredictedict(ent, dmg_inflictor));
2008                 MSG_WriteByte (msg, svc_damage);
2009                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_save));
2010                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_take));
2011                 for (i=0 ; i<3 ; i++)
2012                         MSG_WriteCoord (msg, PRVM_serveredictvector(other, origin)[i] + 0.5*(PRVM_serveredictvector(other, mins)[i] + PRVM_serveredictvector(other, maxs)[i]), sv.protocol);
2013
2014                 PRVM_serveredictfloat(ent, dmg_take) = 0;
2015                 PRVM_serveredictfloat(ent, dmg_save) = 0;
2016         }
2017
2018 //
2019 // send the current viewpos offset from the view entity
2020 //
2021         SV_SetIdealPitch ();            // how much to look up / down ideally
2022
2023 // a fixangle might get lost in a dropped packet.  Oh well.
2024         if(PRVM_serveredictfloat(ent, fixangle))
2025         {
2026                 // angle fixing was requested by global thinking code...
2027                 // so store the current angles for later use
2028                 VectorCopy(PRVM_serveredictvector(ent, angles), host_client->fixangle_angles);
2029                 host_client->fixangle_angles_set = TRUE;
2030
2031                 // and clear fixangle for the next frame
2032                 PRVM_serveredictfloat(ent, fixangle) = 0;
2033         }
2034
2035         if (host_client->fixangle_angles_set)
2036         {
2037                 MSG_WriteByte (msg, svc_setangle);
2038                 for (i=0 ; i < 3 ; i++)
2039                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
2040                 host_client->fixangle_angles_set = FALSE;
2041         }
2042
2043         // the runes are in serverflags, pack them into the items value, also pack
2044         // in the items2 value for mission pack huds
2045         // (used only in the mission packs, which do not use serverflags)
2046         items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serveredictfloat(ent, items2) << 23) | ((int)PRVM_serverglobalfloat(serverflags) << 28);
2047
2048         VectorCopy(PRVM_serveredictvector(ent, punchvector), punchvector);
2049
2050         // cache weapon model name and index in client struct to save time
2051         // (this search can be almost 1% of cpu time!)
2052         s = PRVM_GetString(prog, PRVM_serveredictstring(ent, weaponmodel));
2053         if (strcmp(s, client->weaponmodel))
2054         {
2055                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
2056                 client->weaponmodelindex = SV_ModelIndex(s, 1);
2057         }
2058
2059         viewzoom = (int)(PRVM_serveredictfloat(ent, viewzoom) * 255.0f);
2060         if (viewzoom == 0)
2061                 viewzoom = 255;
2062
2063         bits = 0;
2064
2065         if ((int)PRVM_serveredictfloat(ent, flags) & FL_ONGROUND)
2066                 bits |= SU_ONGROUND;
2067         if (PRVM_serveredictfloat(ent, waterlevel) >= 2)
2068                 bits |= SU_INWATER;
2069         if (PRVM_serveredictfloat(ent, idealpitch))
2070                 bits |= SU_IDEALPITCH;
2071
2072         for (i=0 ; i<3 ; i++)
2073         {
2074                 if (PRVM_serveredictvector(ent, punchangle)[i])
2075                         bits |= (SU_PUNCH1<<i);
2076                 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)
2077                         if (punchvector[i])
2078                                 bits |= (SU_PUNCHVEC1<<i);
2079                 if (PRVM_serveredictvector(ent, velocity)[i])
2080                         bits |= (SU_VELOCITY1<<i);
2081         }
2082
2083         gravity = PRVM_serveredictfloat(ent, gravity);if (!gravity) gravity = 1.0f;
2084
2085         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
2086         stats[STAT_VIEWHEIGHT] = (int)PRVM_serveredictvector(ent, view_ofs)[2];
2087         stats[STAT_ITEMS] = items;
2088         stats[STAT_WEAPONFRAME] = (int)PRVM_serveredictfloat(ent, weaponframe);
2089         stats[STAT_ARMOR] = (int)PRVM_serveredictfloat(ent, armorvalue);
2090         stats[STAT_WEAPON] = client->weaponmodelindex;
2091         stats[STAT_HEALTH] = (int)PRVM_serveredictfloat(ent, health);
2092         stats[STAT_AMMO] = (int)PRVM_serveredictfloat(ent, currentammo);
2093         stats[STAT_SHELLS] = (int)PRVM_serveredictfloat(ent, ammo_shells);
2094         stats[STAT_NAILS] = (int)PRVM_serveredictfloat(ent, ammo_nails);
2095         stats[STAT_ROCKETS] = (int)PRVM_serveredictfloat(ent, ammo_rockets);
2096         stats[STAT_CELLS] = (int)PRVM_serveredictfloat(ent, ammo_cells);
2097         stats[STAT_ACTIVEWEAPON] = (int)PRVM_serveredictfloat(ent, weapon);
2098         stats[STAT_VIEWZOOM] = viewzoom;
2099         stats[STAT_TOTALSECRETS] = (int)PRVM_serverglobalfloat(total_secrets);
2100         stats[STAT_TOTALMONSTERS] = (int)PRVM_serverglobalfloat(total_monsters);
2101         // the QC bumps these itself by sending svc_'s, so we have to keep them
2102         // zero or they'll be corrected by the engine
2103         //stats[STAT_SECRETS] = PRVM_serverglobalfloat(found_secrets);
2104         //stats[STAT_MONSTERS] = PRVM_serverglobalfloat(killed_monsters);
2105
2106         // movement settings for prediction
2107         // note: these are not sent in protocols with lower MAX_CL_STATS limits
2108         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
2109                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
2110                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
2111                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
2112         ;
2113         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
2114         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
2115         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
2116         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
2117         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
2118         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
2119         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
2120         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
2121         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
2122         statsf[STAT_MOVEVARS_ENTGRAVITY] = gravity;
2123         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
2124         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
2125         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
2126         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
2127         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
2128         statsf[STAT_MOVEVARS_AIRACCEL_QW_STRETCHFACTOR] = sv_airaccel_qw_stretchfactor.value;
2129         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
2130         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
2131         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
2132         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
2133         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
2134         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
2135         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
2136         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
2137         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
2138         statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
2139         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
2140         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
2141         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2142         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2143         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2144         statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2145         statsf[STAT_FRAGLIMIT] = fraglimit.value;
2146         statsf[STAT_TIMELIMIT] = timelimit.value;
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 || sv.protocol == PROTOCOL_DARKPLACES5)
2149         {
2150                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2151                 bits |= SU_ITEMS;
2152                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2153                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2154                 bits |= SU_WEAPON;
2155                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2156                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2157                         if (viewzoom != 255)
2158                                 bits |= SU_VIEWZOOM;
2159         }
2160
2161         if (bits >= 65536)
2162                 bits |= SU_EXTEND1;
2163         if (bits >= 16777216)
2164                 bits |= SU_EXTEND2;
2165
2166         // send the data
2167         MSG_WriteByte (msg, svc_clientdata);
2168         MSG_WriteShort (msg, bits);
2169         if (bits & SU_EXTEND1)
2170                 MSG_WriteByte(msg, bits >> 16);
2171         if (bits & SU_EXTEND2)
2172                 MSG_WriteByte(msg, bits >> 24);
2173
2174         if (bits & SU_VIEWHEIGHT)
2175                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2176
2177         if (bits & SU_IDEALPITCH)
2178                 MSG_WriteChar (msg, (int)PRVM_serveredictfloat(ent, idealpitch));
2179
2180         for (i=0 ; i<3 ; i++)
2181         {
2182                 if (bits & (SU_PUNCH1<<i))
2183                 {
2184                         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)
2185                                 MSG_WriteChar(msg, (int)PRVM_serveredictvector(ent, punchangle)[i]);
2186                         else
2187                                 MSG_WriteAngle16i(msg, PRVM_serveredictvector(ent, punchangle)[i]);
2188                 }
2189                 if (bits & (SU_PUNCHVEC1<<i))
2190                 {
2191                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2192                                 MSG_WriteCoord16i(msg, punchvector[i]);
2193                         else
2194                                 MSG_WriteCoord32f(msg, punchvector[i]);
2195                 }
2196                 if (bits & (SU_VELOCITY1<<i))
2197                 {
2198                         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)
2199                                 MSG_WriteChar(msg, (int)(PRVM_serveredictvector(ent, velocity)[i] * (1.0f / 16.0f)));
2200                         else
2201                                 MSG_WriteCoord32f(msg, PRVM_serveredictvector(ent, velocity)[i]);
2202                 }
2203         }
2204
2205         if (bits & SU_ITEMS)
2206                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2207
2208         if (sv.protocol == PROTOCOL_DARKPLACES5)
2209         {
2210                 if (bits & SU_WEAPONFRAME)
2211                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2212                 if (bits & SU_ARMOR)
2213                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2214                 if (bits & SU_WEAPON)
2215                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2216                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2217                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2218                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2219                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2220                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2221                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2222                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2223                 if (bits & SU_VIEWZOOM)
2224                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2225         }
2226         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)
2227         {
2228                 if (bits & SU_WEAPONFRAME)
2229                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2230                 if (bits & SU_ARMOR)
2231                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2232                 if (bits & SU_WEAPON)
2233                 {
2234                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2235                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2236                         else
2237                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2238                 }
2239                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2240                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2241                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2242                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2243                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2244                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2245                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_QUOTH || IS_OLDNEXUIZ_DERIVED(gamemode))
2246                 {
2247                         for (i = 0;i < 32;i++)
2248                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2249                                         break;
2250                         MSG_WriteByte (msg, i);
2251                 }
2252                 else
2253                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2254                 if (bits & SU_VIEWZOOM)
2255                 {
2256                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2257                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2258                         else
2259                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2260                 }
2261         }
2262 }
2263
2264 void SV_FlushBroadcastMessages(void)
2265 {
2266         int i;
2267         client_t *client;
2268         if (sv.datagram.cursize <= 0)
2269                 return;
2270         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2271         {
2272                 if (!client->begun || !client->netconnection || client->unreliablemsg.cursize + sv.datagram.cursize > client->unreliablemsg.maxsize || client->unreliablemsg_splitpoints >= (int)(sizeof(client->unreliablemsg_splitpoint)/sizeof(client->unreliablemsg_splitpoint[0])))
2273                         continue;
2274                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2275                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2276         }
2277         SZ_Clear(&sv.datagram);
2278 }
2279
2280 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2281 {
2282         // scan the splitpoints to find out how many we can fit in
2283         int numsegments, j, split;
2284         if (!client->unreliablemsg_splitpoints)
2285                 return;
2286         // always accept the first one if it's within 1024 bytes, this ensures
2287         // that very big datagrams which are over the rate limit still get
2288         // through, just to keep it working
2289         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2290                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2291                         break;
2292         // the first segment gets an exemption from the rate limiting, otherwise
2293         // it could get dropped consistently due to a low rate limit
2294         if (numsegments == 1)
2295                 maxsize = maxsize2;
2296         // some will fit, so add the ones that will fit
2297         split = client->unreliablemsg_splitpoint[numsegments-1];
2298         // note this discards ones that were accepted by the segments scan but
2299         // can not fit, such as a really huge first one that will never ever
2300         // fit in a packet...
2301         if (msg->cursize + split <= maxsize)
2302                 SZ_Write(msg, client->unreliablemsg.data, split);
2303         // remove the part we sent, keeping any remaining data
2304         client->unreliablemsg.cursize -= split;
2305         if (client->unreliablemsg.cursize > 0)
2306                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2307         // adjust remaining splitpoints
2308         client->unreliablemsg_splitpoints -= numsegments;
2309         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2310                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2311 }
2312
2313 /*
2314 =======================
2315 SV_SendClientDatagram
2316 =======================
2317 */
2318 static void SV_SendClientDatagram (client_t *client)
2319 {
2320         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2321         sizebuf_t msg;
2322         int stats[MAX_CL_STATS];
2323         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2324         double timedelta;
2325
2326         // obey rate limit by limiting packet frequency if the packet size
2327         // limiting fails
2328         // (usually this is caused by reliable messages)
2329         if (!NetConn_CanSend(client->netconnection))
2330                 return;
2331
2332         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2333         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2334         if (sv_maxrate.integer != maxrate)
2335                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2336
2337         // clientrate determines the 'cleartime' of a packet
2338         // (how long to wait before sending another, based on this packet's size)
2339         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2340
2341         switch (sv.protocol)
2342         {
2343         case PROTOCOL_QUAKE:
2344         case PROTOCOL_QUAKEDP:
2345         case PROTOCOL_NEHAHRAMOVIE:
2346         case PROTOCOL_NEHAHRABJP:
2347         case PROTOCOL_NEHAHRABJP2:
2348         case PROTOCOL_NEHAHRABJP3:
2349         case PROTOCOL_QUAKEWORLD:
2350                 // no packet size limit support on Quake protocols because it just
2351                 // causes missing entities/effects
2352                 // packets are simply sent less often to obey the rate limit
2353                 maxsize = 1024;
2354                 maxsize2 = 1024;
2355                 break;
2356         case PROTOCOL_DARKPLACES1:
2357         case PROTOCOL_DARKPLACES2:
2358         case PROTOCOL_DARKPLACES3:
2359         case PROTOCOL_DARKPLACES4:
2360                 // no packet size limit support on DP1-4 protocols because they kick
2361                 // the client off if they overflow, and miss effects
2362                 // packets are simply sent less often to obey the rate limit
2363                 maxsize = sizeof(sv_sendclientdatagram_buf);
2364                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2365                 break;
2366         default:
2367                 // DP5 and later protocols support packet size limiting which is a
2368                 // better method than limiting packet frequency as QW does
2369                 //
2370                 // at very low rates (or very small sys_ticrate) the packet size is
2371                 // not reduced below 128, but packets may be sent less often
2372
2373                 // how long are bursts?
2374                 timedelta = host_client->rate_burstsize / (double)client->rate;
2375
2376                 // how much of the burst do we keep reserved?
2377                 timedelta *= 1 - net_burstreserve.value;
2378
2379                 // only try to use excess time
2380                 timedelta = bound(0, realtime - host_client->netconnection->cleartime, timedelta);
2381
2382                 // but we know next packet will be in sys_ticrate, so we can use up THAT bandwidth
2383                 timedelta += sys_ticrate.value;
2384
2385                 // note: packet overhead (not counted in maxsize) is 28 bytes
2386                 maxsize = (int)(clientrate * timedelta) - 28;
2387
2388                 // put it in sound bounds
2389                 maxsize = bound(128, maxsize, 1400);
2390                 maxsize2 = 1400;
2391
2392                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2393                 // mods that use csqc (they are likely to use less bandwidth anyway)
2394                 if((net_usesizelimit.integer == 1) ? (sv.csqc_progsize > 0) : (net_usesizelimit.integer < 1))
2395                         maxsize = maxsize2;
2396
2397                 break;
2398         }
2399
2400         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2401         {
2402                 // for good singleplayer, send huge packets
2403                 maxsize = sizeof(sv_sendclientdatagram_buf);
2404                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2405                 // never limit frequency in singleplayer
2406                 clientrate = 1000000000;
2407         }
2408
2409         // while downloading, limit entity updates to half the packet
2410         // (any leftover space will be used for downloading)
2411         if (host_client->download_file)
2412                 maxsize /= 2;
2413
2414         msg.data = sv_sendclientdatagram_buf;
2415         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2416         msg.cursize = 0;
2417         msg.allowoverflow = false;
2418
2419         if (host_client->begun)
2420         {
2421                 // the player is in the game
2422                 MSG_WriteByte (&msg, svc_time);
2423                 MSG_WriteFloat (&msg, sv.time);
2424
2425                 // add the client specific data to the datagram
2426                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2427                 // now update the stats[] array using any registered custom fields
2428                 VM_SV_UpdateCustomStats(client, client->edict, &msg, stats);
2429                 // set host_client->statsdeltabits
2430                 Protocol_UpdateClientStats (stats);
2431
2432                 // add as many queued unreliable messages (effects) as we can fit
2433                 // limit effects to half of the remaining space
2434                 if (client->unreliablemsg.cursize)
2435                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2436
2437                 // now write as many entities as we can fit, and also sends stats
2438                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2439         }
2440         else if (realtime > client->keepalivetime)
2441         {
2442                 // the player isn't totally in the game yet
2443                 // send small keepalive messages if too much time has passed
2444                 // (may also be sending downloads)
2445                 client->keepalivetime = realtime + 5;
2446                 MSG_WriteChar (&msg, svc_nop);
2447         }
2448
2449         // if a download is active, see if there is room to fit some download data
2450         // in this packet
2451         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2452         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2453         {
2454                 fs_offset_t downloadstart;
2455                 unsigned char data[1400];
2456                 downloadstart = FS_Tell(host_client->download_file);
2457                 downloadsize = min(downloadsize, (int)sizeof(data));
2458                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2459                 // note this sends empty messages if at the end of the file, which is
2460                 // necessary to keep the packet loss logic working
2461                 // (the last blocks may be lost and need to be re-sent, and that will
2462                 //  only occur if the client acks the empty end messages, revealing
2463                 //  a gap in the download progress, causing the last blocks to be
2464                 //  sent again)
2465                 MSG_WriteChar (&msg, svc_downloaddata);
2466                 MSG_WriteLong (&msg, downloadstart);
2467                 MSG_WriteShort (&msg, downloadsize);
2468                 if (downloadsize > 0)
2469                         SZ_Write (&msg, data, downloadsize);
2470         }
2471
2472         // reliable only if none is in progress
2473         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2474                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2475         // unreliable
2476         SV_WriteDemoMessage(client, &msg, false);
2477
2478 // send the datagram
2479         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->rate_burstsize, client->sendsignon == 2);
2480         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2481                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2482 }
2483
2484 /*
2485 =======================
2486 SV_UpdateToReliableMessages
2487 =======================
2488 */
2489 static void SV_UpdateToReliableMessages (void)
2490 {
2491         prvm_prog_t *prog = SVVM_prog;
2492         int i, j;
2493         client_t *client;
2494         const char *name;
2495         const char *model;
2496         const char *skin;
2497         int clientcamera;
2498
2499 // check for changes to be sent over the reliable streams
2500         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2501         {
2502                 // update the host_client fields we care about according to the entity fields
2503                 host_client->edict = PRVM_EDICT_NUM(i+1);
2504
2505                 // DP_SV_CLIENTNAME
2506                 name = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, netname));
2507                 if (name == NULL)
2508                         name = "";
2509                 // always point the string back at host_client->name to keep it safe
2510                 //strlcpy (host_client->name, name, sizeof (host_client->name));
2511                 if (name != host_client->name) // prevent buffer overlap SIGABRT on Mac OSX
2512                         strlcpy (host_client->name, name, sizeof (host_client->name));
2513                 PRVM_serveredictstring(host_client->edict, netname) = PRVM_SetEngineString(prog, host_client->name);
2514                 if (strcmp(host_client->old_name, host_client->name))
2515                 {
2516                         if (host_client->begun)
2517                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2518                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2519                         // send notification to all clients
2520                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2521                         MSG_WriteByte (&sv.reliable_datagram, i);
2522                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2523                         SV_WriteNetnameIntoDemo(host_client);
2524                 }
2525
2526                 // DP_SV_CLIENTCOLORS
2527                 host_client->colors = (int)PRVM_serveredictfloat(host_client->edict, clientcolors);
2528                 if (host_client->old_colors != host_client->colors)
2529                 {
2530                         host_client->old_colors = host_client->colors;
2531                         // send notification to all clients
2532                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2533                         MSG_WriteByte (&sv.reliable_datagram, i);
2534                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2535                 }
2536
2537                 // NEXUIZ_PLAYERMODEL
2538                 model = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playermodel));
2539                 if (model == NULL)
2540                         model = "";
2541                 // always point the string back at host_client->name to keep it safe
2542                 //strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2543                 if (model != host_client->playermodel) // prevent buffer overlap SIGABRT on Mac OSX
2544                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2545                 PRVM_serveredictstring(host_client->edict, playermodel) = PRVM_SetEngineString(prog, host_client->playermodel);
2546
2547                 // NEXUIZ_PLAYERSKIN
2548                 skin = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playerskin));
2549                 if (skin == NULL)
2550                         skin = "";
2551                 // always point the string back at host_client->name to keep it safe
2552                 //strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2553                 if (skin != host_client->playerskin) // prevent buffer overlap SIGABRT on Mac OSX
2554                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2555                 PRVM_serveredictstring(host_client->edict, playerskin) = PRVM_SetEngineString(prog, host_client->playerskin);
2556
2557                 // TODO: add an extension name for this [1/17/2008 Black]
2558                 clientcamera = PRVM_serveredictedict(host_client->edict, clientcamera);
2559                 if (clientcamera > 0)
2560                 {
2561                         int oldclientcamera = host_client->clientcamera;
2562                         if (clientcamera >= prog->max_edicts || PRVM_EDICT_NUM(clientcamera)->priv.required->free)
2563                                 clientcamera = PRVM_NUM_FOR_EDICT(host_client->edict);
2564                         host_client->clientcamera = clientcamera;
2565
2566                         if (oldclientcamera != host_client->clientcamera && host_client->netconnection)
2567                         {
2568                                 MSG_WriteByte(&host_client->netconnection->message, svc_setview);
2569                                 MSG_WriteShort(&host_client->netconnection->message, host_client->clientcamera);
2570                         }
2571                 }
2572
2573                 // frags
2574                 host_client->frags = (int)PRVM_serveredictfloat(host_client->edict, frags);
2575                 if(IS_OLDNEXUIZ_DERIVED(gamemode))
2576                         if(!host_client->begun && host_client->netconnection)
2577                                 host_client->frags = -666;
2578                 if (host_client->old_frags != host_client->frags)
2579                 {
2580                         host_client->old_frags = host_client->frags;
2581                         // send notification to all clients
2582                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2583                         MSG_WriteByte (&sv.reliable_datagram, i);
2584                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2585                 }
2586         }
2587
2588         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2589                 if (client->netconnection && (client->begun || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2590                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2591
2592         SZ_Clear (&sv.reliable_datagram);
2593 }
2594
2595
2596 /*
2597 =======================
2598 SV_SendClientMessages
2599 =======================
2600 */
2601 void SV_SendClientMessages(void)
2602 {
2603         int i, prepared = false;
2604
2605         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2606                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2607
2608         SV_FlushBroadcastMessages();
2609
2610 // update frags, names, etc
2611         SV_UpdateToReliableMessages();
2612
2613 // build individual updates
2614         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2615         {
2616                 if (!host_client->active)
2617                         continue;
2618                 if (!host_client->netconnection)
2619                         continue;
2620
2621                 if (host_client->netconnection->message.overflowed)
2622                 {
2623                         SV_DropClient (true);   // if the message couldn't send, kick off
2624                         continue;
2625                 }
2626
2627                 if (!prepared)
2628                 {
2629                         prepared = true;
2630                         // only prepare entities once per frame
2631                         SV_PrepareEntitiesForSending();
2632                 }
2633                 SV_SendClientDatagram(host_client);
2634         }
2635
2636 // clear muzzle flashes
2637         SV_CleanupEnts();
2638 }
2639
2640 static void SV_StartDownload_f(void)
2641 {
2642         if (host_client->download_file)
2643                 host_client->download_started = true;
2644 }
2645
2646 /*
2647  * Compression extension negotiation:
2648  *
2649  * Server to client:
2650  *   cl_serverextension_download 2
2651  *
2652  * Client to server:
2653  *   download <filename> <list of zero or more suppported compressions in order of preference>
2654  * e.g.
2655  *   download maps/map1.bsp lzo deflate huffman
2656  *
2657  * Server to client:
2658  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2659  * e.g.
2660  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2661  *
2662  * The server may choose not to compress the file by sending no compression name, like:
2663  *   cl_downloadbegin 345678 maps/map1.bsp
2664  *
2665  * NOTE: the "download" command may only specify compression algorithms if
2666  *       cl_serverextension_download is 2!
2667  *       If cl_serverextension_download has a different value, the client must
2668  *       assume this extension is not supported!
2669  */
2670
2671 static void Download_CheckExtensions(void)
2672 {
2673         int i;
2674         int argc = Cmd_Argc();
2675
2676         // first reset them all
2677         host_client->download_deflate = false;
2678
2679         for(i = 2; i < argc; ++i)
2680         {
2681                 if(!strcmp(Cmd_Argv(i), "deflate"))
2682                 {
2683                         host_client->download_deflate = true;
2684                         break;
2685                 }
2686         }
2687 }
2688
2689 static void SV_Download_f(void)
2690 {
2691         const char *whichpack, *whichpack2, *extension;
2692         qboolean is_csqc; // so we need to check only once
2693
2694         if (Cmd_Argc() < 2)
2695         {
2696                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2697                 SV_ClientPrintf("       supported extensions: deflate\n");
2698                 return;
2699         }
2700
2701         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2702         {
2703                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2704                 return;
2705         }
2706
2707         if (host_client->download_file)
2708         {
2709                 // at this point we'll assume the previous download should be aborted
2710                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2711                 Host_ClientCommands("\nstopdownload\n");
2712
2713                 // close the file and reset variables
2714                 FS_Close(host_client->download_file);
2715                 host_client->download_file = NULL;
2716                 host_client->download_name[0] = 0;
2717                 host_client->download_expectedposition = 0;
2718                 host_client->download_started = false;
2719         }
2720
2721         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2722
2723         if (!sv_allowdownloads.integer && !is_csqc)
2724         {
2725                 SV_ClientPrintf("Downloads are disabled on this server\n");
2726                 Host_ClientCommands("\nstopdownload\n");
2727                 return;
2728         }
2729
2730         Download_CheckExtensions();
2731
2732         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2733         extension = FS_FileExtension(host_client->download_name);
2734
2735         // host_client is asking to download a specified file
2736         if (developer_extra.integer)
2737                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2738
2739         if(is_csqc)
2740         {
2741                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2742                 extensions[0] = '\0';
2743
2744                 if(host_client->download_deflate)
2745                         strlcat(extensions, " deflate", sizeof(extensions));
2746
2747                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2748
2749                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2750                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2751                 else
2752                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2753
2754                 // no, no space is needed between %s and %s :P
2755                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2756
2757                 host_client->download_expectedposition = 0;
2758                 host_client->download_started = false;
2759                 host_client->sendsignon = true; // make sure this message is sent
2760                 return;
2761         }
2762
2763         if (!FS_FileExists(host_client->download_name))
2764         {
2765                 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);
2766                 Host_ClientCommands("\nstopdownload\n");
2767                 return;
2768         }
2769
2770         // check if the user is trying to download part of registered Quake(r)
2771         whichpack = FS_WhichPack(host_client->download_name);
2772         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2773         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2774         {
2775                 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);
2776                 Host_ClientCommands("\nstopdownload\n");
2777                 return;
2778         }
2779
2780         // check if the server has forbidden archive downloads entirely
2781         if (!sv_allowdownloads_inarchive.integer)
2782         {
2783                 whichpack = FS_WhichPack(host_client->download_name);
2784                 if (whichpack)
2785                 {
2786                         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);
2787                         Host_ClientCommands("\nstopdownload\n");
2788                         return;
2789                 }
2790         }
2791
2792         if (!sv_allowdownloads_config.integer)
2793         {
2794                 if (!strcasecmp(extension, "cfg"))
2795                 {
2796                         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);
2797                         Host_ClientCommands("\nstopdownload\n");
2798                         return;
2799                 }
2800         }
2801
2802         if (!sv_allowdownloads_dlcache.integer)
2803         {
2804                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2805                 {
2806                         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);
2807                         Host_ClientCommands("\nstopdownload\n");
2808                         return;
2809                 }
2810         }
2811
2812         if (!sv_allowdownloads_archive.integer)
2813         {
2814                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2815                 {
2816                         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);
2817                         Host_ClientCommands("\nstopdownload\n");
2818                         return;
2819                 }
2820         }
2821
2822         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2823         if (!host_client->download_file)
2824         {
2825                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2826                 Host_ClientCommands("\nstopdownload\n");
2827                 return;
2828         }
2829
2830         if (FS_FileSize(host_client->download_file) > 1<<30)
2831         {
2832                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2833                 Host_ClientCommands("\nstopdownload\n");
2834                 FS_Close(host_client->download_file);
2835                 host_client->download_file = NULL;
2836                 return;
2837         }
2838
2839         if (FS_FileSize(host_client->download_file) < 0)
2840         {
2841                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2842                 Host_ClientCommands("\nstopdownload\n");
2843                 FS_Close(host_client->download_file);
2844                 host_client->download_file = NULL;
2845                 return;
2846         }
2847
2848         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2849
2850         /*
2851          * we can only do this if we would actually deflate on the fly
2852          * which we do not (yet)!
2853         {
2854                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2855                 extensions[0] = '\0';
2856
2857                 if(host_client->download_deflate)
2858                         strlcat(extensions, " deflate", sizeof(extensions));
2859
2860                 // no, no space is needed between %s and %s :P
2861                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2862         }
2863         */
2864         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2865
2866         host_client->download_expectedposition = 0;
2867         host_client->download_started = false;
2868         host_client->sendsignon = true; // make sure this message is sent
2869
2870         // the rest of the download process is handled in SV_SendClientDatagram
2871         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2872         //
2873         // no svc_downloaddata messages will be sent until sv_startdownload is
2874         // sent by the client
2875 }
2876
2877 /*
2878 ==============================================================================
2879
2880 SERVER SPAWNING
2881
2882 ==============================================================================
2883 */
2884
2885 /*
2886 ================
2887 SV_ModelIndex
2888
2889 ================
2890 */
2891 int SV_ModelIndex(const char *s, int precachemode)
2892 {
2893         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);
2894         char filename[MAX_QPATH];
2895         if (!s || !*s)
2896                 return 0;
2897         // testing
2898         //if (precachemode == 2)
2899         //      return 0;
2900         strlcpy(filename, s, sizeof(filename));
2901         for (i = 2;i < limit;i++)
2902         {
2903                 if (!sv.model_precache[i][0])
2904                 {
2905                         if (precachemode)
2906                         {
2907                                 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))
2908                                 {
2909                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2910                                         return 0;
2911                                 }
2912                                 if (precachemode == 1)
2913                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2914                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2915                                 if (sv.state == ss_loading)
2916                                 {
2917                                         // running from SV_SpawnServer which is launched from the client console command interpreter
2918                                         sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2919                                 }
2920                                 else
2921                                 {
2922                                         if (svs.threaded)
2923                                         {
2924                                                 // 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
2925                                                 sv.models[i] = Mod_FindName (sv.model_precache[i], s[0] == '*' ? sv.worldname : NULL);
2926                                         }
2927                                         else
2928                                         {
2929                                                 // running single threaded, so we can load the model here
2930                                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2931                                         }
2932                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2933                                         MSG_WriteShort(&sv.reliable_datagram, i);
2934                                         MSG_WriteString(&sv.reliable_datagram, filename);
2935                                 }
2936                                 return i;
2937                         }
2938                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2939                         return 0;
2940                 }
2941                 if (!strcmp(sv.model_precache[i], filename))
2942                         return i;
2943         }
2944         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2945         return 0;
2946 }
2947
2948 /*
2949 ================
2950 SV_SoundIndex
2951
2952 ================
2953 */
2954 int SV_SoundIndex(const char *s, int precachemode)
2955 {
2956         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);
2957         char filename[MAX_QPATH];
2958         if (!s || !*s)
2959                 return 0;
2960         // testing
2961         //if (precachemode == 2)
2962         //      return 0;
2963         strlcpy(filename, s, sizeof(filename));
2964         for (i = 1;i < limit;i++)
2965         {
2966                 if (!sv.sound_precache[i][0])
2967                 {
2968                         if (precachemode)
2969                         {
2970                                 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))
2971                                 {
2972                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2973                                         return 0;
2974                                 }
2975                                 if (precachemode == 1)
2976                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2977                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2978                                 if (sv.state != ss_loading)
2979                                 {
2980                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2981                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2982                                         MSG_WriteString(&sv.reliable_datagram, filename);
2983                                 }
2984                                 return i;
2985                         }
2986                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2987                         return 0;
2988                 }
2989                 if (!strcmp(sv.sound_precache[i], filename))
2990                         return i;
2991         }
2992         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2993         return 0;
2994 }
2995
2996 /*
2997 ================
2998 SV_ParticleEffectIndex
2999
3000 ================
3001 */
3002 int SV_ParticleEffectIndex(const char *name)
3003 {
3004         int i, argc, linenumber, effectnameindex;
3005         int filepass;
3006         fs_offset_t filesize;
3007         unsigned char *filedata;
3008         const char *text;
3009         const char *textstart;
3010         //const char *textend;
3011         char argv[16][1024];
3012         char filename[MAX_QPATH];
3013         if (!sv.particleeffectnamesloaded)
3014         {
3015                 sv.particleeffectnamesloaded = true;
3016                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
3017                 for (i = 0;i < EFFECT_TOTAL;i++)
3018                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
3019                 for (filepass = 0;;filepass++)
3020                 {
3021                         if (filepass == 0)
3022                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
3023                         else if (filepass == 1)
3024                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
3025                         else
3026                                 break;
3027                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
3028                         if (!filedata)
3029                                 continue;
3030                         textstart = (const char *)filedata;
3031                         //textend = (const char *)filedata + filesize;
3032                         text = textstart;
3033                         for (linenumber = 1;;linenumber++)
3034                         {
3035                                 argc = 0;
3036                                 for (;;)
3037                                 {
3038                                         if (!COM_ParseToken_Simple(&text, true, false, true) || !strcmp(com_token, "\n"))
3039                                                 break;
3040                                         if (argc < 16)
3041                                         {
3042                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
3043                                                 argc++;
3044                                         }
3045                                 }
3046                                 if (com_token[0] == 0)
3047                                         break; // if the loop exited and it's not a \n, it's EOF
3048                                 if (argc < 1)
3049                                         continue;
3050                                 if (!strcmp(argv[0], "effect"))
3051                                 {
3052                                         if (argc == 2)
3053                                         {
3054                                                 for (effectnameindex = 1;effectnameindex < MAX_PARTICLEEFFECTNAME;effectnameindex++)
3055                                                 {
3056                                                         if (sv.particleeffectname[effectnameindex][0])
3057                                                         {
3058                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
3059                                                                         break;
3060                                                         }
3061                                                         else
3062                                                         {
3063                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
3064                                                                 break;
3065                                                         }
3066                                                 }
3067                                                 // if we run out of names, abort
3068                                                 if (effectnameindex == MAX_PARTICLEEFFECTNAME)
3069                                                 {
3070                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
3071                                                         break;
3072                                                 }
3073                                         }
3074                                 }
3075                         }
3076                         Mem_Free(filedata);
3077                 }
3078         }
3079         // search for the name
3080         for (effectnameindex = 1;effectnameindex < MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
3081                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
3082                         return effectnameindex;
3083         // return 0 if we couldn't find it
3084         return 0;
3085 }
3086
3087 dp_model_t *SV_GetModelByIndex(int modelindex)
3088 {
3089         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3090 }
3091
3092 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
3093 {
3094         prvm_prog_t *prog = SVVM_prog;
3095         int modelindex;
3096         if (!ed || ed->priv.server->free)
3097                 return NULL;
3098         modelindex = (int)PRVM_serveredictfloat(ed, modelindex);
3099         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3100 }
3101
3102 /*
3103 ================
3104 SV_CreateBaseline
3105
3106 ================
3107 */
3108 static void SV_CreateBaseline (void)
3109 {
3110         prvm_prog_t *prog = SVVM_prog;
3111         int i, entnum, large;
3112         prvm_edict_t *svent;
3113
3114         // LordHavoc: clear *all* baselines (not just active ones)
3115         for (entnum = 0;entnum < prog->max_edicts;entnum++)
3116         {
3117                 // get the current server version
3118                 svent = PRVM_EDICT_NUM(entnum);
3119
3120                 // LordHavoc: always clear state values, whether the entity is in use or not
3121                 svent->priv.server->baseline = defaultstate;
3122
3123                 if (svent->priv.server->free)
3124                         continue;
3125                 if (entnum > svs.maxclients && !PRVM_serveredictfloat(svent, modelindex))
3126                         continue;
3127
3128                 // create entity baseline
3129                 VectorCopy (PRVM_serveredictvector(svent, origin), svent->priv.server->baseline.origin);
3130                 VectorCopy (PRVM_serveredictvector(svent, angles), svent->priv.server->baseline.angles);
3131                 svent->priv.server->baseline.frame = (int)PRVM_serveredictfloat(svent, frame);
3132                 svent->priv.server->baseline.skin = (int)PRVM_serveredictfloat(svent, skin);
3133                 if (entnum > 0 && entnum <= svs.maxclients)
3134                 {
3135                         svent->priv.server->baseline.colormap = entnum;
3136                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
3137                 }
3138                 else
3139                 {
3140                         svent->priv.server->baseline.colormap = 0;
3141                         svent->priv.server->baseline.modelindex = (int)PRVM_serveredictfloat(svent, modelindex);
3142                 }
3143
3144                 large = false;
3145                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
3146                 {
3147                         large = true;
3148                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3149                                 large = false;
3150                 }
3151
3152                 // add to the message
3153                 if (large)
3154                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
3155                 else
3156                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
3157                 MSG_WriteShort (&sv.signon, entnum);
3158
3159                 if (large)
3160                 {
3161                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3162                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
3163                 }
3164                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3165                 {
3166                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3167                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3168                 }
3169                 else
3170                 {
3171                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
3172                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3173                 }
3174                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
3175                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
3176                 for (i=0 ; i<3 ; i++)
3177                 {
3178                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3179                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3180                 }
3181         }
3182 }
3183
3184 /*
3185 ================
3186 SV_Prepare_CSQC
3187
3188 Load csprogs.dat and comperss it so it doesn't need to be
3189 reloaded on request.
3190 ================
3191 */
3192 static void SV_Prepare_CSQC(void)
3193 {
3194         fs_offset_t progsize;
3195
3196         if(svs.csqc_progdata)
3197         {
3198                 Con_DPrintf("Unloading old CSQC data.\n");
3199                 Mem_Free(svs.csqc_progdata);
3200                 if(svs.csqc_progdata_deflated)
3201                         Mem_Free(svs.csqc_progdata_deflated);
3202         }
3203
3204         svs.csqc_progdata = NULL;
3205         svs.csqc_progdata_deflated = NULL;
3206
3207         sv.csqc_progname[0] = 0;
3208         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3209
3210         if(progsize > 0)
3211         {
3212                 size_t deflated_size;
3213
3214                 sv.csqc_progsize = (int)progsize;
3215                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3216                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3217                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3218
3219                 Con_DPrint("Compressing csprogs.dat\n");
3220                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3221                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3222                 svs.csqc_progsize_deflated = (int)deflated_size;
3223                 if(svs.csqc_progdata_deflated)
3224                 {
3225                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3226                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3227                 }
3228                 else
3229                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3230         }
3231 }
3232
3233 /*
3234 ================
3235 SV_SaveSpawnparms
3236
3237 Grabs the current state of each client for saving across the
3238 transition to another level
3239 ================
3240 */
3241 void SV_SaveSpawnparms (void)
3242 {
3243         prvm_prog_t *prog = SVVM_prog;
3244         int             i, j;
3245
3246         svs.serverflags = (int)PRVM_serverglobalfloat(serverflags);
3247
3248         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3249         {
3250                 if (!host_client->active)
3251                         continue;
3252
3253         // call the progs to get default spawn parms for the new client
3254                 PRVM_serverglobalfloat(time) = sv.time;
3255                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3256                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetChangeParms), "QC function SetChangeParms is missing");
3257                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3258                         host_client->spawn_parms[j] = (&PRVM_serverglobalfloat(parm1))[j];
3259         }
3260 }
3261
3262 /*
3263 ================
3264 SV_SpawnServer
3265
3266 This is called at the start of each level
3267 ================
3268 */
3269
3270 void SV_SpawnServer (const char *server)
3271 {
3272         prvm_prog_t *prog = SVVM_prog;
3273         prvm_edict_t *ent;
3274         int i;
3275         char *entities;
3276         dp_model_t *worldmodel;
3277         char modelname[sizeof(sv.worldname)];
3278         char vabuf[1024];
3279
3280         Con_DPrintf("SpawnServer: %s\n", server);
3281
3282         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3283
3284         if (!FS_FileExists(modelname))
3285         {
3286                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3287                 if (!FS_FileExists(modelname))
3288                 {
3289                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3290                         return;
3291                 }
3292         }
3293
3294 //      SV_LockThreadMutex();
3295
3296         if(cls.state == ca_dedicated)
3297                 Sys_MakeProcessNice();
3298
3299         if (cls.state != ca_dedicated)
3300         {
3301                 SCR_BeginLoadingPlaque(false);
3302                 S_StopAllSounds();
3303         }
3304
3305         if(sv.active)
3306         {
3307                 World_End(&sv.world);
3308                 if(PRVM_serverfunction(SV_Shutdown))
3309                 {
3310                         func_t s = PRVM_serverfunction(SV_Shutdown);
3311                         PRVM_serverglobalfloat(time) = sv.time;
3312                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3313                         prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
3314                 }
3315         }
3316
3317         // free q3 shaders so that any newly downloaded shaders will be active
3318         Mod_FreeQ3Shaders();
3319
3320         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3321         if (!worldmodel || !worldmodel->TraceBox)
3322         {
3323                 Con_Printf("Couldn't load map %s\n", modelname);
3324
3325                 if(cls.state == ca_dedicated)
3326                         Sys_MakeProcessMean();
3327
3328 //              SV_UnlockThreadMutex();
3329
3330                 return;
3331         }
3332
3333         Collision_Cache_Reset(true);
3334
3335         // let's not have any servers with no name
3336         if (hostname.string[0] == 0)
3337                 Cvar_Set ("hostname", "UNNAMED");
3338         scr_centertime_off = 0;
3339
3340         svs.changelevel_issued = false;         // now safe to issue another
3341
3342         // make the map a required file for clients
3343         Curl_ClearRequirements();
3344         Curl_RequireFile(modelname);
3345
3346 //
3347 // tell all connected clients that we are going to a new level
3348 //
3349         if (sv.active)
3350         {
3351                 client_t *client;
3352                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3353                 {
3354                         if (client->netconnection)
3355                         {
3356                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3357                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3358                         }
3359                 }
3360         }
3361         else
3362         {
3363                 // open server port
3364                 NetConn_OpenServerPorts(true);
3365         }
3366
3367 //
3368 // make cvars consistant
3369 //
3370         if (coop.integer)
3371                 Cvar_SetValue ("deathmatch", 0);
3372         // LordHavoc: it can be useful to have skills outside the range 0-3...
3373         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3374         //Cvar_SetValue ("skill", (float)current_skill);
3375         current_skill = (int)(skill.value + 0.5);
3376
3377 //
3378 // set up the new server
3379 //
3380         memset (&sv, 0, sizeof(sv));
3381         // if running a local client, make sure it doesn't try to access the last
3382         // level's data which is no longer valiud
3383         cls.signon = 0;
3384
3385         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3386         Cvar_SetValue("sv_mapformat_is_quake2", worldmodel->brush.isq2bsp);
3387         Cvar_SetValue("sv_mapformat_is_quake3", worldmodel->brush.isq3bsp);
3388
3389         if(*sv_random_seed.string)
3390         {
3391                 srand(sv_random_seed.integer);
3392                 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);
3393         }
3394
3395         SV_VM_Setup();
3396
3397         sv.active = true;
3398
3399         // set level base name variables for later use
3400         strlcpy (sv.name, server, sizeof (sv.name));
3401         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3402         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3403         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3404         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3405         Cvar_SetQuick(&sv_worldname, sv.worldname);
3406         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3407         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3408
3409         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3410         if (sv.protocol == PROTOCOL_UNKNOWN)
3411         {
3412                 char buffer[1024];
3413                 Protocol_Names(buffer, sizeof(buffer));
3414                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3415                 sv.protocol = PROTOCOL_QUAKE;
3416         }
3417
3418 // load progs to get entity field count
3419         //PR_LoadProgs ( sv_progs.string );
3420
3421         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3422         sv.datagram.cursize = 0;
3423         sv.datagram.data = sv.datagram_buf;
3424
3425         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3426         sv.reliable_datagram.cursize = 0;
3427         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3428
3429         sv.signon.maxsize = sizeof(sv.signon_buf);
3430         sv.signon.cursize = 0;
3431         sv.signon.data = sv.signon_buf;
3432
3433 // leave slots at start for clients only
3434         //prog->num_edicts = svs.maxclients+1;
3435
3436         sv.state = ss_loading;
3437         prog->allowworldwrites = true;
3438         sv.paused = false;
3439
3440         sv.time = 1.0;
3441
3442         Mod_ClearUsed();
3443         worldmodel->used = true;
3444
3445         sv.worldmodel = worldmodel;
3446         sv.models[1] = sv.worldmodel;
3447
3448 //
3449 // clear world interaction links
3450 //
3451         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs, prog);
3452         World_Start(&sv.world);
3453
3454         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3455
3456         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3457         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3458         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3459         {
3460                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3461                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3462         }
3463         if(i < sv.worldmodel->brush.numsubmodels)
3464                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3465
3466 //
3467 // load the rest of the entities
3468 //
3469         // AK possible hack since num_edicts is still 0
3470         ent = PRVM_EDICT_NUM(0);
3471         memset (ent->fields.fp, 0, prog->entityfields * sizeof(prvm_vec_t));
3472         ent->priv.server->free = false;
3473         PRVM_serveredictstring(ent, model) = PRVM_SetEngineString(prog, sv.worldname);
3474         PRVM_serveredictfloat(ent, modelindex) = 1;             // world model
3475         PRVM_serveredictfloat(ent, solid) = SOLID_BSP;
3476         PRVM_serveredictfloat(ent, movetype) = MOVETYPE_PUSH;
3477         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, mins));
3478         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, maxs));
3479         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, absmin));
3480         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, absmax));
3481
3482         if (coop.value)
3483                 PRVM_serverglobalfloat(coop) = coop.integer;
3484         else
3485                 PRVM_serverglobalfloat(deathmatch) = deathmatch.integer;
3486
3487         PRVM_serverglobalstring(mapname) = PRVM_SetEngineString(prog, sv.name);
3488
3489 // serverflags are for cross level information (sigils)
3490         PRVM_serverglobalfloat(serverflags) = svs.serverflags;
3491
3492         // we need to reset the spawned flag on all connected clients here so that
3493         // their thinks don't run during startup (before PutClientInServer)
3494         // we also need to set up the client entities now
3495         // and we need to set the ->edict pointers to point into the progs edicts
3496         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3497         {
3498                 host_client->begun = false;
3499                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3500                 PRVM_ED_ClearEdict(prog, host_client->edict);
3501         }
3502
3503         // load replacement entity file if found
3504         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3505         {
3506                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3507                 PRVM_ED_LoadFromFile(prog, entities);
3508                 Mem_Free(entities);
3509         }
3510         else
3511                 PRVM_ED_LoadFromFile(prog, sv.worldmodel->brush.entities);
3512
3513
3514         // LordHavoc: clear world angles (to fix e3m3.bsp)
3515         VectorClear(PRVM_serveredictvector(prog->edicts, angles));
3516
3517 // all setup is completed, any further precache statements are errors
3518 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3519         prog->allowworldwrites = false;
3520
3521 // run two frames to allow everything to settle
3522         sv.time = 1.0001;
3523         for (i = 0;i < sv_init_frame_count.integer;i++)
3524         {
3525                 sv.frametime = 0.1;
3526                 SV_Physics ();
3527         }
3528
3529         // Once all init frames have been run, we consider svqc code fully initialized.
3530         prog->inittime = realtime;
3531
3532         if (cls.state == ca_dedicated)
3533                 Mod_PurgeUnused();
3534
3535 // create a baseline for more efficient communications
3536         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)
3537                 SV_CreateBaseline ();
3538
3539         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3540
3541 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3542         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3543         {
3544                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3545                 if (!host_client->active)
3546                         continue;
3547                 if (host_client->netconnection)
3548                         SV_SendServerinfo(host_client);
3549                 else
3550                 {
3551                         int j;
3552                         // if client is a botclient coming from a level change, we need to
3553                         // set up client info that normally requires networking
3554
3555                         // copy spawn parms out of the client_t
3556                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3557                                 (&PRVM_serverglobalfloat(parm1))[j] = host_client->spawn_parms[j];
3558
3559                         // call the spawn function
3560                         host_client->clientconnectcalled = true;
3561                         PRVM_serverglobalfloat(time) = sv.time;
3562                         PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3563                         prog->ExecuteProgram(prog, PRVM_serverfunction(ClientConnect), "QC function ClientConnect is missing");
3564                         prog->ExecuteProgram(prog, PRVM_serverfunction(PutClientInServer), "QC function PutClientInServer is missing");
3565                         host_client->begun = true;
3566                 }
3567         }
3568
3569         // update the map title cvar
3570         strlcpy(sv.worldmessage, PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)), sizeof(sv.worldmessage)); // map title (not related to filename)
3571         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3572
3573         Con_DPrint("Server spawned.\n");
3574         NetConn_Heartbeat (2);
3575
3576         if(cls.state == ca_dedicated)
3577                 Sys_MakeProcessMean();
3578
3579 //      SV_UnlockThreadMutex();
3580 }
3581
3582 /////////////////////////////////////////////////////
3583 // SV VM stuff
3584
3585 static void SVVM_begin_increase_edicts(prvm_prog_t *prog)
3586 {
3587         // links don't survive the transition, so unlink everything
3588         World_UnlinkAll(&sv.world);
3589 }
3590
3591 static void SVVM_end_increase_edicts(prvm_prog_t *prog)
3592 {
3593         int i;
3594         prvm_edict_t *ent;
3595
3596         // link every entity except world
3597         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3598                 if (!ent->priv.server->free)
3599                         SV_LinkEdict(ent);
3600 }
3601
3602 static void SVVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
3603 {
3604         // LordHavoc: for consistency set these here
3605         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3606
3607         e->priv.server->move = false; // don't move on first frame
3608
3609         if (num >= 0 && num < svs.maxclients)
3610         {
3611                 // set colormap and team on newly created player entity
3612                 PRVM_serveredictfloat(e, colormap) = num + 1;
3613                 PRVM_serveredictfloat(e, team) = (svs.clients[num].colors & 15) + 1;
3614                 // set netname/clientcolors back to client values so that
3615                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3616                 // reset them
3617                 PRVM_serveredictstring(e, netname) = PRVM_SetEngineString(prog, svs.clients[num].name);
3618                 PRVM_serveredictfloat(e, clientcolors) = svs.clients[num].colors;
3619                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3620                 PRVM_serveredictstring(e, playermodel) = PRVM_SetEngineString(prog, svs.clients[num].playermodel);
3621                 PRVM_serveredictstring(e, playerskin) = PRVM_SetEngineString(prog, svs.clients[num].playerskin);
3622                 // Assign netaddress (IP Address, etc)
3623                 if(svs.clients[num].netconnection != NULL)
3624                 {
3625                         // Acquire Readable Address
3626                         LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3627                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, svs.clients[num].netaddress);
3628                 }
3629                 else
3630                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, "null/botclient");
3631                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
3632                         PRVM_serveredictstring(e, crypto_idfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_idfp);
3633                 else
3634                         PRVM_serveredictstring(e, crypto_idfp) = 0;
3635                 PRVM_serveredictfloat(e, crypto_idfp_signed) = (svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_issigned);
3636                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
3637                         PRVM_serveredictstring(e, crypto_keyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_keyfp);
3638                 else
3639                         PRVM_serveredictstring(e, crypto_keyfp) = 0;
3640                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
3641                         PRVM_serveredictstring(e, crypto_mykeyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.server_keyfp);
3642                 else
3643                         PRVM_serveredictstring(e, crypto_mykeyfp) = 0;
3644                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
3645                         PRVM_serveredictstring(e, crypto_encryptmethod) = PRVM_SetEngineString(prog, "AES128");
3646                 else
3647                         PRVM_serveredictstring(e, crypto_encryptmethod) = 0;
3648                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
3649                         PRVM_serveredictstring(e, crypto_signmethod) = PRVM_SetEngineString(prog, "HMAC-SHA256");
3650                 else
3651                         PRVM_serveredictstring(e, crypto_signmethod) = 0;
3652         }
3653 }
3654
3655 static void SVVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
3656 {
3657         int i;
3658         int e;
3659
3660         World_UnlinkEdict(ed);          // unlink from world bsp
3661
3662         PRVM_serveredictstring(ed, model) = 0;
3663         PRVM_serveredictfloat(ed, takedamage) = 0;
3664         PRVM_serveredictfloat(ed, modelindex) = 0;
3665         PRVM_serveredictfloat(ed, colormap) = 0;
3666         PRVM_serveredictfloat(ed, skin) = 0;
3667         PRVM_serveredictfloat(ed, frame) = 0;
3668         VectorClear(PRVM_serveredictvector(ed, origin));
3669         VectorClear(PRVM_serveredictvector(ed, angles));
3670         PRVM_serveredictfloat(ed, nextthink) = -1;
3671         PRVM_serveredictfloat(ed, solid) = 0;
3672
3673         VM_RemoveEdictSkeleton(prog, ed);
3674         World_Physics_RemoveFromEntity(&sv.world, ed);
3675         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3676
3677         // make sure csqc networking is aware of the removed entity
3678         e = PRVM_NUM_FOR_EDICT(ed);
3679         sv.csqcentityversion[e] = 0;
3680         for (i = 0;i < svs.maxclients;i++)
3681                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3682 }
3683
3684 static void SVVM_count_edicts(prvm_prog_t *prog)
3685 {
3686         int             i;
3687         prvm_edict_t    *ent;
3688         int             active, models, solid, step;
3689
3690         active = models = solid = step = 0;
3691         for (i=0 ; i<prog->num_edicts ; i++)
3692         {
3693                 ent = PRVM_EDICT_NUM(i);
3694                 if (ent->priv.server->free)
3695                         continue;
3696                 active++;
3697                 if (PRVM_serveredictfloat(ent, solid))
3698                         solid++;
3699                 if (PRVM_serveredictstring(ent, model))
3700                         models++;
3701                 if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
3702                         step++;
3703         }
3704
3705         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3706         Con_Printf("active    :%3i\n", active);
3707         Con_Printf("view      :%3i\n", models);
3708         Con_Printf("touch     :%3i\n", solid);
3709         Con_Printf("step      :%3i\n", step);
3710 }
3711
3712 static qboolean SVVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
3713 {
3714         // remove things from different skill levels or deathmatch
3715         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3716         {
3717                 if (deathmatch.integer)
3718                 {
3719                         if (((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_DEATHMATCH))
3720                         {
3721                                 return false;
3722                         }
3723                 }
3724                 else if ((current_skill <= 0 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_EASY  ))
3725                         || (current_skill == 1 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_MEDIUM))
3726                         || (current_skill >= 2 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_HARD  )))
3727                 {
3728                         return false;
3729                 }
3730         }
3731         return true;
3732 }
3733
3734 static void SV_VM_Setup(void)
3735 {
3736         prvm_prog_t *prog = SVVM_prog;
3737         PRVM_Prog_Init(prog);
3738
3739         // allocate the mempools
3740         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3741         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3742         prog->builtins = vm_sv_builtins;
3743         prog->numbuiltins = vm_sv_numbuiltins;
3744         prog->max_edicts = 512;
3745         if (sv.protocol == PROTOCOL_QUAKE)
3746                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3747         else if (sv.protocol == PROTOCOL_QUAKEDP)
3748                 prog->limit_edicts = 2048; // guessing
3749         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3750                 prog->limit_edicts = 2048; // guessing!
3751         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3752                 prog->limit_edicts = 4096; // guessing!
3753         else
3754                 prog->limit_edicts = MAX_EDICTS;
3755         prog->reserved_edicts = svs.maxclients;
3756         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3757         prog->name = "server";
3758         prog->extensionstring = vm_sv_extensions;
3759         prog->loadintoworld = true;
3760
3761         // all callbacks must be defined (pointers are not checked before calling)
3762         prog->begin_increase_edicts = SVVM_begin_increase_edicts;
3763         prog->end_increase_edicts   = SVVM_end_increase_edicts;
3764         prog->init_edict            = SVVM_init_edict;
3765         prog->free_edict            = SVVM_free_edict;
3766         prog->count_edicts          = SVVM_count_edicts;
3767         prog->load_edict            = SVVM_load_edict;
3768         prog->init_cmd              = SVVM_init_cmd;
3769         prog->reset_cmd             = SVVM_reset_cmd;
3770         prog->error_cmd             = Host_Error;
3771         prog->ExecuteProgram        = SVVM_ExecuteProgram;
3772
3773         PRVM_Prog_Load(prog, sv_progs.string, NULL, 0, SV_REQFUNCS, sv_reqfuncs, SV_REQFIELDS, sv_reqfields, SV_REQGLOBALS, sv_reqglobals);
3774
3775         // some mods compiled with scrambling compilers lack certain critical
3776         // global names and field names such as "self" and "time" and "nextthink"
3777         // so we have to set these offsets manually, matching the entvars_t
3778         // but we only do this if the prog header crc matches, otherwise it's totally freeform
3779         if (prog->progs_crc == PROGHEADER_CRC || prog->progs_crc == PROGHEADER_CRC_TENEBRAE)
3780         {
3781                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, modelindex);
3782                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmin);
3783                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmax);
3784                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ltime);
3785                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movetype);
3786                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, solid);
3787                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, origin);
3788                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, oldorigin);
3789                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, velocity);
3790                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3791                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, avelocity);
3792                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, punchangle);
3793                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3794                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, model);
3795                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3796                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, skin);
3797                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, effects);
3798                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, mins);
3799                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, maxs);
3800                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, size);
3801                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, touch);
3802                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, use);
3803                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3804                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, blocked);
3805                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3806                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3807                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, health);
3808                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frags);
3809                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weapon);
3810                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponmodel);
3811                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponframe);
3812                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, currentammo);
3813                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_shells);
3814                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_nails);
3815                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_rockets);
3816                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_cells);
3817                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, items);
3818                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, takedamage);
3819                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3820                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, deadflag);
3821                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, view_ofs);
3822                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button0);
3823                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button1);
3824                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button2);
3825                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, impulse);
3826                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, fixangle);
3827                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, v_angle);
3828                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, idealpitch);
3829                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, netname);
3830                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, enemy);
3831                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, flags);
3832                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, colormap);
3833                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, team);
3834                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, max_health);
3835                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, teleport_time);
3836                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armortype);
3837                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armorvalue);
3838                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, waterlevel);
3839                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, watertype);
3840                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3841                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3842                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, aiment);
3843                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, goalentity);
3844                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, spawnflags);
3845                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, target);
3846                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, targetname);
3847                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_take);
3848                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_save);
3849                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_inflictor);
3850                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, owner);
3851                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movedir);
3852                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, message);
3853                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, sounds);
3854                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise);
3855                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise1);
3856                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise2);
3857                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise3);
3858                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3859                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, other);
3860                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, world);
3861                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3862                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, frametime);
3863                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, force_retouch);
3864                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, mapname);
3865                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, deathmatch);
3866                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, coop);
3867                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, teamplay);
3868                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, serverflags);
3869                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_secrets);
3870                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_monsters);
3871                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, found_secrets);
3872                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, killed_monsters);
3873                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm1);
3874                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm2);
3875                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm3);
3876                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm4);
3877                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm5);
3878                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm6);
3879                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm7);
3880                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm8);
3881                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm9);
3882                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm10);
3883                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm11);
3884                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm12);
3885                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm13);
3886                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm14);
3887                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm15);
3888                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm16);
3889                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3890                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3891                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3892                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3893                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3894                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3895                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3896                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3897                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3898                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3899                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3900                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3901                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, msg_entity);
3902 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, main);
3903 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, StartFrame);
3904 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPreThink);
3905 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPostThink);
3906 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientKill);
3907 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientConnect);
3908 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PutClientInServer);
3909 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientDisconnect);
3910 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetNewParms);
3911 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetChangeParms);
3912         }
3913         else
3914                 Con_DPrintf("%s: %s system vars have been modified (CRC %i != engine %i), will not load in other engines", prog->name, sv_progs.string, prog->progs_crc, PROGHEADER_CRC);
3915
3916         // OP_STATE is always supported on server because we add fields/globals for it
3917         prog->flag |= PRVM_OP_STATE;
3918
3919         VM_CustomStats_Clear();//[515]: csqc
3920
3921         SV_Prepare_CSQC();
3922 }
3923
3924 extern cvar_t host_maxwait;
3925 extern cvar_t host_framerate;
3926 static int SV_ThreadFunc(void *voiddata)
3927 {
3928         prvm_prog_t *prog = SVVM_prog;
3929         qboolean playing = false;
3930         double sv_timer = 0;
3931         double sv_deltarealtime, sv_oldrealtime, sv_realtime;
3932         double wait;
3933         int i;
3934         char vabuf[1024];
3935         sv_realtime = Sys_DirtyTime();
3936         while (!svs.threadstop)
3937         {
3938                 // FIXME: we need to handle Host_Error in the server thread somehow
3939 //              if (setjmp(sv_abortframe))
3940 //                      continue;                       // something bad happened in the server game
3941
3942                 sv_oldrealtime = sv_realtime;
3943                 sv_realtime = Sys_DirtyTime();
3944                 sv_deltarealtime = sv_realtime - sv_oldrealtime;
3945                 if (sv_deltarealtime < 0 || sv_deltarealtime >= 1800) sv_deltarealtime = 0;
3946
3947                 sv_timer += sv_deltarealtime;
3948
3949                 svs.perf_acc_realtime += sv_deltarealtime;
3950
3951                 // 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)
3952                 SV_LockThreadMutex();
3953
3954                 // Look for clients who have spawned
3955                 playing = false;
3956                 if (sv.active)
3957                         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3958                                 if(host_client->begun)
3959                                         if(host_client->netconnection)
3960                                                 playing = true;
3961                 if(sv.time < 10)
3962                 {
3963                         // don't accumulate time for the first 10 seconds of a match
3964                         // so things can settle
3965                         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;
3966                 }
3967                 else if(svs.perf_acc_realtime > 5)
3968                 {
3969                         svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
3970                         svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
3971                         if(svs.perf_acc_offset_samples > 0)
3972                         {
3973                                 svs.perf_offset_max = svs.perf_acc_offset_max;
3974                                 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
3975                                 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
3976                         }
3977                         if(svs.perf_lost > 0 && developer_extra.integer)
3978                                 if(playing)
3979                                         Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport(vabuf, sizeof(vabuf)));
3980                         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;
3981                 }
3982
3983                 // get new packets
3984                 if (sv.active)
3985                         NetConn_ServerFrame();
3986
3987                 // if the accumulators haven't become positive yet, wait a while
3988                 wait = sv_timer * -1000000.0;
3989                 if (wait >= 1)
3990                 {
3991                         double time0, delta;
3992                         SV_UnlockThreadMutex(); // don't keep mutex locked while sleeping
3993                         if (host_maxwait.value <= 0)
3994                                 wait = min(wait, 1000000.0);
3995                         else
3996                                 wait = min(wait, host_maxwait.value * 1000.0);
3997                         if(wait < 1)
3998                                 wait = 1; // because we cast to int
3999                         time0 = Sys_DirtyTime();
4000                         Sys_Sleep((int)wait);
4001                         delta = Sys_DirtyTime() - time0;if (delta < 0 || delta >= 1800) delta = 0;
4002                         svs.perf_acc_sleeptime += delta;
4003                         continue;
4004                 }
4005
4006                 if (sv.active && sv_timer > 0)
4007                 {
4008                         // execute one server frame
4009                         double advancetime;
4010                         float offset;
4011
4012                         if (sys_ticrate.value <= 0)
4013                                 advancetime = min(sv_timer, 0.1); // don't step more than 100ms
4014                         else
4015                                 advancetime = sys_ticrate.value;
4016
4017                         if(advancetime > 0)
4018                         {
4019                                 offset = sv_timer + (Sys_DirtyTime() - sv_realtime); // LordHavoc: FIXME: I don't understand this line
4020                                 ++svs.perf_acc_offset_samples;
4021                                 svs.perf_acc_offset += offset;
4022                                 svs.perf_acc_offset_squared += offset * offset;
4023                                 if(svs.perf_acc_offset_max < offset)
4024                                         svs.perf_acc_offset_max = offset;
4025                         }
4026
4027                         // only advance time if not paused
4028                         // the game also pauses in singleplayer when menu or console is used
4029                         sv.frametime = advancetime * slowmo.value;
4030                         if (host_framerate.value)
4031                                 sv.frametime = host_framerate.value;
4032                         if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
4033                                 sv.frametime = 0;
4034
4035                         sv_timer -= advancetime;
4036
4037                         // move things around and think unless paused
4038                         if (sv.frametime)
4039                                 SV_Physics();
4040
4041                         // send all messages to the clients
4042                         SV_SendClientMessages();
4043
4044                         if (sv.paused == 1 && sv_realtime > sv.pausedstart && sv.pausedstart > 0)
4045                         {
4046                                 PRVM_serverglobalfloat(time) = sv.time;
4047                                 prog->globals.fp[OFS_PARM0] = sv_realtime - sv.pausedstart;
4048                                 prog->ExecuteProgram(prog, PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
4049                         }
4050
4051                         // send an heartbeat if enough time has passed since the last one
4052                         NetConn_Heartbeat(0);
4053
4054                 }
4055
4056                 // we're back to safe code now
4057                 SV_UnlockThreadMutex();
4058
4059                 // if there is some time remaining from this frame, reset the timers
4060                 if (sv_timer >= 0)
4061                 {
4062                         svs.perf_acc_lost += sv_timer;
4063                         sv_timer = 0;
4064                 }
4065         }
4066         return 0;
4067 }
4068
4069 void SV_StartThread(void)
4070 {
4071         if (!sv_threaded.integer || !Thread_HasThreads())
4072                 return;
4073         svs.threaded = true;
4074         svs.threadstop = false;
4075         svs.threadmutex = Thread_CreateMutex();
4076         svs.thread = Thread_CreateThread(SV_ThreadFunc, NULL);
4077 }
4078
4079 void SV_StopThread(void)
4080 {
4081         if (!svs.threaded)
4082                 return;
4083         svs.threadstop = true;
4084         Thread_WaitThread(svs.thread, 0);
4085         Thread_DestroyMutex(svs.threadmutex);
4086         svs.threaded = false;
4087 }