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(cmd_state_t *cmd);
  29 static void SV_StartDownload_f(cmd_state_t *cmd);
  30 static void SV_Download_f(cmd_state_t *cmd);
  31 static void SV_VM_Setup(void);
  32 extern cvar_t net_connecttimeout;
  33
  34 cvar_t sv_worldmessage = {CVAR_SERVER | CVAR_READONLY, "sv_worldmessage", "", "title of current level"};
  35 cvar_t sv_worldname = {CVAR_SERVER | CVAR_READONLY, "sv_worldname", "", "name of current worldmodel"};
  36 cvar_t sv_worldnamenoextension = {CVAR_SERVER | CVAR_READONLY, "sv_worldnamenoextension", "", "name of current worldmodel without extension"};
  37 cvar_t sv_worldbasename = {CVAR_SERVER | CVAR_READONLY, "sv_worldbasename", "", "name of current worldmodel without maps/ prefix or extension"};
  38
  39 cvar_t sv_disablenotify = {CVAR_SERVER, "sv_disablenotify", "0", "suppress broadcast prints when certain cvars are changed (CVAR_NOTIFY flag in engine code)"};
  40 cvar_t coop = {CVAR_SERVER, "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 = {CVAR_SERVER, "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_SERVER | CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
  43 cvar_t gamecfg = {CVAR_SERVER, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
  44 cvar_t noexit = {CVAR_SERVER | CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
  45 cvar_t nomonsters = {CVAR_SERVER, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
  46 cvar_t pausable = {CVAR_SERVER, "pausable","1", "allow players to pause or not (otherwise, only the server admin can)"};
  47 cvar_t pr_checkextension = {CVAR_SERVER | 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_SERVER | CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
  49 cvar_t skill = {CVAR_SERVER, "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 host_timescale = {CVAR_CLIENT | CVAR_SERVER, "host_timescale", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
  51
  52 cvar_t sv_accelerate = {CVAR_SERVER, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
  53 cvar_t sv_aim = {CVAR_SERVER | 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 = {CVAR_SERVER, "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 = {CVAR_SERVER, "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 = {CVAR_SERVER, "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 = {CVAR_SERVER, "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 = {CVAR_SERVER, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
  59 cvar_t sv_airspeedlimit_nonqw = {CVAR_SERVER, "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 = {CVAR_SERVER, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
  61 cvar_t sv_maxairstrafespeed = {CVAR_SERVER, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
  62 cvar_t sv_airstrafeaccel_qw = {CVAR_SERVER, "sv_airstrafeaccel_qw", "0", "when set, replacement for sv_airaccel_qw when just strafing"};
  63 cvar_t sv_aircontrol = {CVAR_SERVER, "sv_aircontrol", "0", "CPMA-style air control"};
  64 cvar_t sv_aircontrol_power = {CVAR_SERVER, "sv_aircontrol_power", "2", "CPMA-style air control exponent"};
  65 cvar_t sv_aircontrol_penalty = {CVAR_SERVER, "sv_aircontrol_penalty", "0", "deceleration while using CPMA-style air control"};
  66 cvar_t sv_allowdownloads = {CVAR_SERVER, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
  67 cvar_t sv_allowdownloads_archive = {CVAR_SERVER, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
  68 cvar_t sv_allowdownloads_config = {CVAR_SERVER, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
  69 cvar_t sv_allowdownloads_dlcache = {CVAR_SERVER, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
  70 cvar_t sv_allowdownloads_inarchive = {CVAR_SERVER, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
  71 cvar_t sv_areagrid_mingridsize = {CVAR_SERVER | 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 = {CVAR_SERVER, "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 = {CVAR_SERVER, "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 = {CVAR_SERVER, "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 = {CVAR_SERVER, "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 = {CVAR_SERVER, "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 = {CVAR_SERVER, "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 = {CVAR_SERVER, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
  79 cvar_t sv_cullentities_stats = {CVAR_SERVER, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  80 cvar_t sv_cullentities_trace = {CVAR_SERVER, "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 = {CVAR_SERVER, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  82 cvar_t sv_cullentities_trace_delay_players = {CVAR_SERVER, "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 = {CVAR_SERVER, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  84 cvar_t sv_cullentities_trace_expand = {CVAR_SERVER, "sv_cullentities_trace_expand", "0", "box is expanded by this many units for entity culling"};
  85 cvar_t sv_cullentities_trace_eyejitter = {CVAR_SERVER, "sv_cullentities_trace_eyejitter", "16", "jitter the eye by this much for each trace"};
  86 cvar_t sv_cullentities_trace_prediction = {CVAR_SERVER, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
  87 cvar_t sv_cullentities_trace_prediction_time = {CVAR_SERVER, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
  88 cvar_t sv_cullentities_trace_entityocclusion = {CVAR_SERVER, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
  89 cvar_t sv_cullentities_trace_samples = {CVAR_SERVER, "sv_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
  90 cvar_t sv_cullentities_trace_samples_extra = {CVAR_SERVER, "sv_cullentities_trace_samples_extra", "2", "number of samples to test for entity culling when the entity affects its surroundings by e.g. dlight"};
  91 cvar_t sv_cullentities_trace_samples_players = {CVAR_SERVER, "sv_cullentities_trace_samples_players", "8", "number of samples to test for entity culling when the entity is a player entity"};
  92 cvar_t sv_debugmove = {CVAR_SERVER | CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
  93 cvar_t sv_echobprint = {CVAR_SERVER | CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
  94 cvar_t sv_edgefriction = {CVAR_SERVER, "edgefriction", "1", "how much you slow down when nearing a ledge you might fall off, multiplier of sv_friction (Quake used 2, QuakeWorld used 1 due to a bug in physics code)"};
  95 cvar_t sv_entpatch = {CVAR_SERVER, "sv_entpatch", "1", "enables loading of .ent files to override entities in the bsp (for example Threewave CTF server pack contains .ent patch files enabling play of CTF on id1 maps)"};
  96 cvar_t sv_fixedframeratesingleplayer = {CVAR_SERVER, "sv_fixedframeratesingleplayer", "1", "allows you to use server-style timing system in singleplayer (don't run faster than sys_ticrate)"};
  97 cvar_t sv_freezenonclients = {CVAR_SERVER | CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
  98 cvar_t sv_friction = {CVAR_SERVER | CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
  99 cvar_t sv_gameplayfix_blowupfallenzombies = {CVAR_SERVER, "sv_gameplayfix_blowupfallenzombies", "1", "causes findradius to detect SOLID_NOT entities such as zombies and corpses on the floor, allowing splash damage to apply to them"};
 100 cvar_t sv_gameplayfix_consistentplayerprethink = {CVAR_SERVER, "sv_gameplayfix_consistentplayerprethink", "0", "improves fairness in multiplayer by running all PlayerPreThink functions (which fire weapons) before performing physics, then running all PlayerPostThink functions"};
 101 cvar_t sv_gameplayfix_delayprojectiles = {CVAR_SERVER, "sv_gameplayfix_delayprojectiles", "1", "causes entities to not move on the same frame they are spawned, meaning that projectiles wait until the next frame to perform their first move, giving proper interpolation and rocket trails, but making weapons harder to use at low framerates"};
 102 cvar_t sv_gameplayfix_droptofloorstartsolid = {CVAR_SERVER, "sv_gameplayfix_droptofloorstartsolid", "1", "prevents items and monsters that start in a solid area from falling out of the level (makes droptofloor treat trace_startsolid as an acceptable outcome)"};
 103 cvar_t sv_gameplayfix_droptofloorstartsolid_nudgetocorrect = {CVAR_SERVER, "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect", "1", "tries to nudge stuck items and monsters out of walls before droptofloor is performed"};
 104 cvar_t sv_gameplayfix_easierwaterjump = {CVAR_SERVER, "sv_gameplayfix_easierwaterjump", "1", "changes water jumping to make it easier to get out of water (exactly like in QuakeWorld)"};
 105 cvar_t sv_gameplayfix_findradiusdistancetobox = {CVAR_SERVER, "sv_gameplayfix_findradiusdistancetobox", "1", "causes findradius to check the distance to the corner of a box rather than the center of the box, makes findradius detect bmodels such as very large doors that would otherwise be unaffected by splash damage"};
 106 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {CVAR_SERVER, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
 107 cvar_t sv_gameplayfix_grenadebouncedownslopes = {CVAR_SERVER, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
 108 cvar_t sv_gameplayfix_multiplethinksperframe = {CVAR_SERVER, "sv_gameplayfix_multiplethinksperframe", "1", "allows entities to think more often than the server framerate, primarily useful for very high fire rate weapons"};
 109 cvar_t sv_gameplayfix_noairborncorpse = {CVAR_SERVER, "sv_gameplayfix_noairborncorpse", "1", "causes entities (corpses, items, etc) sitting ontop of moving entities (players) to fall when the moving entity (player) is no longer supporting them"};
 110 cvar_t sv_gameplayfix_noairborncorpse_allowsuspendeditems = {CVAR_SERVER, "sv_gameplayfix_noairborncorpse_allowsuspendeditems", "1", "causes entities sitting ontop of objects that are instantaneously remove to float in midair (special hack to allow a common level design trick for floating items)"};
 111 cvar_t sv_gameplayfix_nudgeoutofsolid = {CVAR_SERVER, "sv_gameplayfix_nudgeoutofsolid", "0", "attempts to fix physics errors (where an object ended up in solid for some reason)"};
 112 cvar_t sv_gameplayfix_nudgeoutofsolid_separation = {CVAR_SERVER, "sv_gameplayfix_nudgeoutofsolid_separation", "0.03125", "keep objects this distance apart to prevent collision issues on seams"};
 113 cvar_t sv_gameplayfix_q2airaccelerate = {CVAR_SERVER, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
 114 cvar_t sv_gameplayfix_nogravityonground = {CVAR_SERVER, "sv_gameplayfix_nogravityonground", "0", "turn off gravity when on ground (to get rid of sliding)"};
 115 cvar_t sv_gameplayfix_setmodelrealbox = {CVAR_SERVER, "sv_gameplayfix_setmodelrealbox", "1", "fixes a bug in Quake that made setmodel always set the entity box to ('-16 -16 -16', '16 16 16') rather than properly checking the model box, breaks some poorly coded mods"};
 116 cvar_t sv_gameplayfix_slidemoveprojectiles = {CVAR_SERVER, "sv_gameplayfix_slidemoveprojectiles", "1", "allows MOVETYPE_FLY/FLYMISSILE/TOSS/BOUNCE/BOUNCEMISSILE entities to finish their move in a frame even if they hit something, fixes 'gravity accumulation' bug for grenades on steep slopes"};
 117 cvar_t sv_gameplayfix_stepdown = {CVAR_SERVER, "sv_gameplayfix_stepdown", "0", "attempts to step down stairs, not just up them (prevents the familiar thud..thud..thud.. when running down stairs and slopes)"};
 118 cvar_t sv_gameplayfix_stepmultipletimes = {CVAR_SERVER, "sv_gameplayfix_stepmultipletimes", "0", "applies step-up onto a ledge more than once in a single frame, when running quickly up stairs"};
 119 cvar_t sv_gameplayfix_nostepmoveonsteepslopes = {CVAR_SERVER, "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"};
 120 cvar_t sv_gameplayfix_swiminbmodels = {CVAR_SERVER, "sv_gameplayfix_swiminbmodels", "1", "causes pointcontents (used to determine if you are in a liquid) to check bmodel entities as well as the world model, so you can swim around in (possibly moving) water bmodel entities"};
 121 cvar_t sv_gameplayfix_upwardvelocityclearsongroundflag = {CVAR_SERVER, "sv_gameplayfix_upwardvelocityclearsongroundflag", "1", "prevents monsters, items, and most other objects from being stuck to the floor when pushed around by damage, and other situations in mods"};
 122 cvar_t sv_gameplayfix_downtracesupportsongroundflag = {CVAR_SERVER, "sv_gameplayfix_downtracesupportsongroundflag", "1", "prevents very short moves from clearing onground (which may make the player stick to the floor at high netfps)"};
 123 cvar_t sv_gameplayfix_q1bsptracelinereportstexture = {CVAR_SERVER, "sv_gameplayfix_q1bsptracelinereportstexture", "1", "enables mods to get accurate trace_texture results on q1bsp by using a surface-hitting traceline implementation rather than the standard solidbsp method, q3bsp always reports texture accurately"};
 124 cvar_t sv_gameplayfix_unstickplayers = {CVAR_SERVER, "sv_gameplayfix_unstickplayers", "1", "big hack to try and fix the rare case of MOVETYPE_WALK entities getting stuck in the world clipping hull."};
 125 cvar_t sv_gameplayfix_unstickentities = {CVAR_SERVER, "sv_gameplayfix_unstickentities", "1", "hack to check if entities are crossing world collision hull and try to move them to the right position"};
 126 cvar_t sv_gameplayfix_fixedcheckwatertransition = {CVAR_SERVER, "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)"};
 127 cvar_t sv_gameplayfix_customstats = {CVAR_SERVER | CVAR_READONLY, "sv_gameplayfix_customstats", "0", "Disable stats higher than 220, for use by certain games such as Xonotic"};
 128 cvar_t sv_gravity = {CVAR_SERVER | CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 129 cvar_t sv_init_frame_count = {CVAR_SERVER, "sv_init_frame_count", "2", "number of frames to run to allow everything to settle before letting clients connect"};
 130 cvar_t sv_idealpitchscale = {CVAR_SERVER, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 131 cvar_t sv_jumpstep = {CVAR_SERVER | CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping"};
 132 cvar_t sv_jumpvelocity = {CVAR_SERVER, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 133 cvar_t sv_maxairspeed = {CVAR_SERVER, "sv_maxairspeed", "30", "maximum speed a player can accelerate to when airborn (note that it is possible to completely stop by moving the opposite direction)"};
 134 cvar_t sv_maxrate = {CVAR_SERVER | CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 135 cvar_t sv_maxspeed = {CVAR_SERVER | CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 136 cvar_t sv_maxvelocity = {CVAR_SERVER | CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 137 cvar_t sv_nostep = {CVAR_SERVER | CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 138 cvar_t sv_playerphysicsqc = {CVAR_SERVER | CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 139 cvar_t sv_progs = {CVAR_SERVER, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 140 cvar_t sv_protocolname = {CVAR_SERVER, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 141 cvar_t sv_random_seed = {CVAR_SERVER, "sv_random_seed", "", "random seed; when set, on every map start this random seed is used to initialize the random number generator. Don't touch it unless for benchmarking or debugging"};
 142 cvar_t sv_ratelimitlocalplayer = {CVAR_SERVER, "sv_ratelimitlocalplayer", "0", "whether to apply rate limiting to the local player in a listen server (only useful for testing)"};
 143 cvar_t sv_sound_land = {CVAR_SERVER, "sv_sound_land", "demon/dland2.wav", "sound to play when MOVETYPE_STEP entity hits the ground at high speed (empty cvar disables the sound)"};
 144 cvar_t sv_sound_watersplash = {CVAR_SERVER, "sv_sound_watersplash", "misc/h2ohit1.wav", "sound to play when MOVETYPE_FLY/TOSS/BOUNCE/STEP entity enters or leaves water (empty cvar disables the sound)"};
 145 cvar_t sv_stepheight = {CVAR_SERVER | CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 146 cvar_t sv_stopspeed = {CVAR_SERVER | CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 147 cvar_t sv_wallfriction = {CVAR_SERVER | CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 148 cvar_t sv_wateraccelerate = {CVAR_SERVER, "sv_wateraccelerate", "-1", "rate at which a player accelerates to sv_maxspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
 149 cvar_t sv_waterfriction = {CVAR_SERVER | CVAR_NOTIFY, "sv_waterfriction","-1", "how fast you slow down, if less than 0 the sv_friction variable is used instead"};
 150 cvar_t sv_warsowbunny_airforwardaccel = {CVAR_SERVER, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 151 cvar_t sv_warsowbunny_accel = {CVAR_SERVER, "sv_warsowbunny_accel", "0.1585", "how fast you accelerate until after reaching sv_maxspeed (it gets harder as you near sv_warsowbunny_topspeed)"};
 152 cvar_t sv_warsowbunny_topspeed = {CVAR_SERVER, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 153 cvar_t sv_warsowbunny_turnaccel = {CVAR_SERVER, "sv_warsowbunny_turnaccel", "0", "max sharpness of turns (also master switch for the sv_warsowbunny_* mode; set this to 9 to enable)"};
 154 cvar_t sv_warsowbunny_backtosideratio = {CVAR_SERVER, "sv_warsowbunny_backtosideratio", "0.8", "lower values make it easier to change direction without losing speed; the drawback is \"understeering\" in sharp turns"};
 155 cvar_t sv_onlycsqcnetworking = {CVAR_SERVER, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
 156 cvar_t sv_areadebug = {CVAR_SERVER, "sv_areadebug", "0", "disables physics culling for debugging purposes (only for development)"};
 157 cvar_t sys_ticrate = {CVAR_SERVER | CVAR_SAVE, "sys_ticrate","0.0138889", "how long a server frame is in seconds, 0.05 is 20fps server rate, 0.1 is 10fps (can not be set higher than 0.1), 0 runs as many server frames as possible (makes games against bots a little smoother, overwhelms network players), 0.0138889 matches QuakeWorld physics"};
 158 cvar_t teamplay = {CVAR_SERVER | CVAR_NOTIFY, "teamplay","0", "teamplay mode, values depend on mod but typically 0 = no teams, 1 = no team damage no self damage, 2 = team damage and self damage, some mods support 3 = no team damage but can damage self"};
 159 cvar_t timelimit = {CVAR_SERVER | CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 160 cvar_t sv_threaded = {CVAR_SERVER, "sv_threaded", "0", "enables a separate thread for server code, improving performance, especially when hosting a game while playing, EXPERIMENTAL, may be crashy"};
 161
 162 cvar_t saved1 = {CVAR_SERVER | CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 163 cvar_t saved2 = {CVAR_SERVER | CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 164 cvar_t saved3 = {CVAR_SERVER | CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 165 cvar_t saved4 = {CVAR_SERVER | CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 166 cvar_t savedgamecfg = {CVAR_SERVER | CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 167 cvar_t scratch1 = {CVAR_SERVER, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 168 cvar_t scratch2 = {CVAR_SERVER,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 169 cvar_t scratch3 = {CVAR_SERVER, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 170 cvar_t scratch4 = {CVAR_SERVER, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 171 cvar_t temp1 = {CVAR_SERVER, "temp1","0", "general cvar for mods to use, in stock id1 this selects which death animation to use on players (0 = random death, other values select specific death scenes)"};
 172
 173 cvar_t nehx00 = {CVAR_SERVER, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 174 cvar_t nehx01 = {CVAR_SERVER, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 175 cvar_t nehx02 = {CVAR_SERVER, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 176 cvar_t nehx03 = {CVAR_SERVER, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 177 cvar_t nehx04 = {CVAR_SERVER, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 178 cvar_t nehx05 = {CVAR_SERVER, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 179 cvar_t nehx06 = {CVAR_SERVER, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 180 cvar_t nehx07 = {CVAR_SERVER, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 181 cvar_t nehx08 = {CVAR_SERVER, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 182 cvar_t nehx09 = {CVAR_SERVER, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 183 cvar_t nehx10 = {CVAR_SERVER, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 184 cvar_t nehx11 = {CVAR_SERVER, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 185 cvar_t nehx12 = {CVAR_SERVER, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 186 cvar_t nehx13 = {CVAR_SERVER, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 187 cvar_t nehx14 = {CVAR_SERVER, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 188 cvar_t nehx15 = {CVAR_SERVER, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 189 cvar_t nehx16 = {CVAR_SERVER, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 190 cvar_t nehx17 = {CVAR_SERVER, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 191 cvar_t nehx18 = {CVAR_SERVER, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 192 cvar_t nehx19 = {CVAR_SERVER, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 193 cvar_t cutscene = {CVAR_SERVER, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 194
 195 cvar_t sv_autodemo_perclient = {CVAR_SERVER | CVAR_SAVE, "sv_autodemo_perclient", "0", "set to 1 to enable autorecorded per-client demos (they'll start to record at the beginning of a match); set it to 2 to also record client->server packets (for debugging)"};
 196 cvar_t sv_autodemo_perclient_nameformat = {CVAR_SERVER | CVAR_SAVE, "sv_autodemo_perclient_nameformat", "sv_autodemos/%Y-%m-%d_%H-%M", "The format of the sv_autodemo_perclient filename, followed by the map name, the client number and the IP address + port number, separated by underscores (the date is encoded using strftime escapes)" };
 197 cvar_t sv_autodemo_perclient_discardable = {CVAR_SERVER | CVAR_SAVE, "sv_autodemo_perclient_discardable", "0", "Allow game code to decide whether a demo should be kept or discarded."};
 198
 199 cvar_t halflifebsp = {CVAR_SERVER, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 200 cvar_t sv_mapformat_is_quake2 = {CVAR_SERVER, "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)"};
 201 cvar_t sv_mapformat_is_quake3 = {CVAR_SERVER, "sv_mapformat_is_quake3", "0", "indicates the current map is q2bsp format (useful to know because of different entity behaviors)"};
 202
 203 server_t sv;
 204 server_static_t svs;
 205
 206 mempool_t *sv_mempool = NULL;
 207
 208 extern cvar_t host_timescale;
 209 extern float            scr_centertime_off;
 210
 211 // MUST match effectnameindex_t in client.h
 212 static const char *standardeffectnames[EFFECT_TOTAL] =
 213 {
 214         "",
 215         "TE_GUNSHOT",
 216         "TE_GUNSHOTQUAD",
 217         "TE_SPIKE",
 218         "TE_SPIKEQUAD",
 219         "TE_SUPERSPIKE",
 220         "TE_SUPERSPIKEQUAD",
 221         "TE_WIZSPIKE",
 222         "TE_KNIGHTSPIKE",
 223         "TE_EXPLOSION",
 224         "TE_EXPLOSIONQUAD",
 225         "TE_TAREXPLOSION",
 226         "TE_TELEPORT",
 227         "TE_LAVASPLASH",
 228         "TE_SMALLFLASH",
 229         "TE_FLAMEJET",
 230         "EF_FLAME",
 231         "TE_BLOOD",
 232         "TE_SPARK",
 233         "TE_PLASMABURN",
 234         "TE_TEI_G3",
 235         "TE_TEI_SMOKE",
 236         "TE_TEI_BIGEXPLOSION",
 237         "TE_TEI_PLASMAHIT",
 238         "EF_STARDUST",
 239         "TR_ROCKET",
 240         "TR_GRENADE",
 241         "TR_BLOOD",
 242         "TR_WIZSPIKE",
 243         "TR_SLIGHTBLOOD",
 244         "TR_KNIGHTSPIKE",
 245         "TR_VORESPIKE",
 246         "TR_NEHAHRASMOKE",
 247         "TR_NEXUIZPLASMA",
 248         "TR_GLOWTRAIL",
 249         "SVC_PARTICLE"
 250 };
 251
 252 #define SV_REQFUNCS 0
 253 #define sv_reqfuncs NULL
 254
 255 //#define SV_REQFUNCS (sizeof(sv_reqfuncs) / sizeof(const char *))
 256 //static const char *sv_reqfuncs[] = {
 257 //};
 258
 259 #define SV_REQFIELDS (sizeof(sv_reqfields) / sizeof(prvm_required_field_t))
 260
 261 prvm_required_field_t sv_reqfields[] =
 262 {
 263 #define PRVM_DECLARE_serverglobalfloat(x)
 264 #define PRVM_DECLARE_serverglobalvector(x)
 265 #define PRVM_DECLARE_serverglobalstring(x)
 266 #define PRVM_DECLARE_serverglobaledict(x)
 267 #define PRVM_DECLARE_serverglobalfunction(x)
 268 #define PRVM_DECLARE_clientglobalfloat(x)
 269 #define PRVM_DECLARE_clientglobalvector(x)
 270 #define PRVM_DECLARE_clientglobalstring(x)
 271 #define PRVM_DECLARE_clientglobaledict(x)
 272 #define PRVM_DECLARE_clientglobalfunction(x)
 273 #define PRVM_DECLARE_menuglobalfloat(x)
 274 #define PRVM_DECLARE_menuglobalvector(x)
 275 #define PRVM_DECLARE_menuglobalstring(x)
 276 #define PRVM_DECLARE_menuglobaledict(x)
 277 #define PRVM_DECLARE_menuglobalfunction(x)
 278 #define PRVM_DECLARE_serverfieldfloat(x) {ev_float, #x},
 279 #define PRVM_DECLARE_serverfieldvector(x) {ev_vector, #x},
 280 #define PRVM_DECLARE_serverfieldstring(x) {ev_string, #x},
 281 #define PRVM_DECLARE_serverfieldedict(x) {ev_entity, #x},
 282 #define PRVM_DECLARE_serverfieldfunction(x) {ev_function, #x},
 283 #define PRVM_DECLARE_clientfieldfloat(x)
 284 #define PRVM_DECLARE_clientfieldvector(x)
 285 #define PRVM_DECLARE_clientfieldstring(x)
 286 #define PRVM_DECLARE_clientfieldedict(x)
 287 #define PRVM_DECLARE_clientfieldfunction(x)
 288 #define PRVM_DECLARE_menufieldfloat(x)
 289 #define PRVM_DECLARE_menufieldvector(x)
 290 #define PRVM_DECLARE_menufieldstring(x)
 291 #define PRVM_DECLARE_menufieldedict(x)
 292 #define PRVM_DECLARE_menufieldfunction(x)
 293 #define PRVM_DECLARE_serverfunction(x)
 294 #define PRVM_DECLARE_clientfunction(x)
 295 #define PRVM_DECLARE_menufunction(x)
 296 #define PRVM_DECLARE_field(x)
 297 #define PRVM_DECLARE_global(x)
 298 #define PRVM_DECLARE_function(x)
 299 #include "prvm_offsets.h"
 300 #undef PRVM_DECLARE_serverglobalfloat
 301 #undef PRVM_DECLARE_serverglobalvector
 302 #undef PRVM_DECLARE_serverglobalstring
 303 #undef PRVM_DECLARE_serverglobaledict
 304 #undef PRVM_DECLARE_serverglobalfunction
 305 #undef PRVM_DECLARE_clientglobalfloat
 306 #undef PRVM_DECLARE_clientglobalvector
 307 #undef PRVM_DECLARE_clientglobalstring
 308 #undef PRVM_DECLARE_clientglobaledict
 309 #undef PRVM_DECLARE_clientglobalfunction
 310 #undef PRVM_DECLARE_menuglobalfloat
 311 #undef PRVM_DECLARE_menuglobalvector
 312 #undef PRVM_DECLARE_menuglobalstring
 313 #undef PRVM_DECLARE_menuglobaledict
 314 #undef PRVM_DECLARE_menuglobalfunction
 315 #undef PRVM_DECLARE_serverfieldfloat
 316 #undef PRVM_DECLARE_serverfieldvector
 317 #undef PRVM_DECLARE_serverfieldstring
 318 #undef PRVM_DECLARE_serverfieldedict
 319 #undef PRVM_DECLARE_serverfieldfunction
 320 #undef PRVM_DECLARE_clientfieldfloat
 321 #undef PRVM_DECLARE_clientfieldvector
 322 #undef PRVM_DECLARE_clientfieldstring
 323 #undef PRVM_DECLARE_clientfieldedict
 324 #undef PRVM_DECLARE_clientfieldfunction
 325 #undef PRVM_DECLARE_menufieldfloat
 326 #undef PRVM_DECLARE_menufieldvector
 327 #undef PRVM_DECLARE_menufieldstring
 328 #undef PRVM_DECLARE_menufieldedict
 329 #undef PRVM_DECLARE_menufieldfunction
 330 #undef PRVM_DECLARE_serverfunction
 331 #undef PRVM_DECLARE_clientfunction
 332 #undef PRVM_DECLARE_menufunction
 333 #undef PRVM_DECLARE_field
 334 #undef PRVM_DECLARE_global
 335 #undef PRVM_DECLARE_function
 336 };
 337
 338 #define SV_REQGLOBALS (sizeof(sv_reqglobals) / sizeof(prvm_required_field_t))
 339
 340 prvm_required_field_t sv_reqglobals[] =
 341 {
 342 #define PRVM_DECLARE_serverglobalfloat(x) {ev_float, #x},
 343 #define PRVM_DECLARE_serverglobalvector(x) {ev_vector, #x},
 344 #define PRVM_DECLARE_serverglobalstring(x) {ev_string, #x},
 345 #define PRVM_DECLARE_serverglobaledict(x) {ev_entity, #x},
 346 #define PRVM_DECLARE_serverglobalfunction(x) {ev_function, #x},
 347 #define PRVM_DECLARE_clientglobalfloat(x)
 348 #define PRVM_DECLARE_clientglobalvector(x)
 349 #define PRVM_DECLARE_clientglobalstring(x)
 350 #define PRVM_DECLARE_clientglobaledict(x)
 351 #define PRVM_DECLARE_clientglobalfunction(x)
 352 #define PRVM_DECLARE_menuglobalfloat(x)
 353 #define PRVM_DECLARE_menuglobalvector(x)
 354 #define PRVM_DECLARE_menuglobalstring(x)
 355 #define PRVM_DECLARE_menuglobaledict(x)
 356 #define PRVM_DECLARE_menuglobalfunction(x)
 357 #define PRVM_DECLARE_serverfieldfloat(x)
 358 #define PRVM_DECLARE_serverfieldvector(x)
 359 #define PRVM_DECLARE_serverfieldstring(x)
 360 #define PRVM_DECLARE_serverfieldedict(x)
 361 #define PRVM_DECLARE_serverfieldfunction(x)
 362 #define PRVM_DECLARE_clientfieldfloat(x)
 363 #define PRVM_DECLARE_clientfieldvector(x)
 364 #define PRVM_DECLARE_clientfieldstring(x)
 365 #define PRVM_DECLARE_clientfieldedict(x)
 366 #define PRVM_DECLARE_clientfieldfunction(x)
 367 #define PRVM_DECLARE_menufieldfloat(x)
 368 #define PRVM_DECLARE_menufieldvector(x)
 369 #define PRVM_DECLARE_menufieldstring(x)
 370 #define PRVM_DECLARE_menufieldedict(x)
 371 #define PRVM_DECLARE_menufieldfunction(x)
 372 #define PRVM_DECLARE_serverfunction(x)
 373 #define PRVM_DECLARE_clientfunction(x)
 374 #define PRVM_DECLARE_menufunction(x)
 375 #define PRVM_DECLARE_field(x)
 376 #define PRVM_DECLARE_global(x)
 377 #define PRVM_DECLARE_function(x)
 378 #include "prvm_offsets.h"
 379 #undef PRVM_DECLARE_serverglobalfloat
 380 #undef PRVM_DECLARE_serverglobalvector
 381 #undef PRVM_DECLARE_serverglobalstring
 382 #undef PRVM_DECLARE_serverglobaledict
 383 #undef PRVM_DECLARE_serverglobalfunction
 384 #undef PRVM_DECLARE_clientglobalfloat
 385 #undef PRVM_DECLARE_clientglobalvector
 386 #undef PRVM_DECLARE_clientglobalstring
 387 #undef PRVM_DECLARE_clientglobaledict
 388 #undef PRVM_DECLARE_clientglobalfunction
 389 #undef PRVM_DECLARE_menuglobalfloat
 390 #undef PRVM_DECLARE_menuglobalvector
 391 #undef PRVM_DECLARE_menuglobalstring
 392 #undef PRVM_DECLARE_menuglobaledict
 393 #undef PRVM_DECLARE_menuglobalfunction
 394 #undef PRVM_DECLARE_serverfieldfloat
 395 #undef PRVM_DECLARE_serverfieldvector
 396 #undef PRVM_DECLARE_serverfieldstring
 397 #undef PRVM_DECLARE_serverfieldedict
 398 #undef PRVM_DECLARE_serverfieldfunction
 399 #undef PRVM_DECLARE_clientfieldfloat
 400 #undef PRVM_DECLARE_clientfieldvector
 401 #undef PRVM_DECLARE_clientfieldstring
 402 #undef PRVM_DECLARE_clientfieldedict
 403 #undef PRVM_DECLARE_clientfieldfunction
 404 #undef PRVM_DECLARE_menufieldfloat
 405 #undef PRVM_DECLARE_menufieldvector
 406 #undef PRVM_DECLARE_menufieldstring
 407 #undef PRVM_DECLARE_menufieldedict
 408 #undef PRVM_DECLARE_menufieldfunction
 409 #undef PRVM_DECLARE_serverfunction
 410 #undef PRVM_DECLARE_clientfunction
 411 #undef PRVM_DECLARE_menufunction
 412 #undef PRVM_DECLARE_field
 413 #undef PRVM_DECLARE_global
 414 #undef PRVM_DECLARE_function
 415 };
 416
 417 static void Host_Timescale_c(char *string)
 418 {
 419         double value;
 420         value = atof(string);
 421
 422         if(value < 0.00001 && value != 0)
 423                 string[0] = '0', string[1] = 0;
 424 }
 425
 426 //============================================================================
 427
 428 static void SV_AreaStats_f(cmd_state_t *cmd)
 429 {
 430         World_PrintAreaStats(&sv.world, "server");
 431 }
 432
 433 /*
 434 ===============
 435 SV_Init
 436 ===============
 437 */
 438 void SV_Init (void)
 439 {
 440         // init the csqc progs cvars, since they are updated/used by the server code
 441         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 442         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 443         extern cvar_t csqc_progcrc;
 444         extern cvar_t csqc_progsize;
 445         extern cvar_t csqc_usedemoprogs;
 446
 447         Cvar_RegisterVariable(&sv_worldmessage);
 448         Cvar_RegisterVariable(&sv_worldname);
 449         Cvar_RegisterVariable(&sv_worldnamenoextension);
 450         Cvar_RegisterVariable(&sv_worldbasename);
 451
 452         Cvar_RegisterVariable (&csqc_progname);
 453         Cvar_RegisterVariable (&csqc_progcrc);
 454         Cvar_RegisterVariable (&csqc_progsize);
 455         Cvar_RegisterVariable (&csqc_usedemoprogs);
 456
 457         Cmd_AddCommand(CMD_SHARED, "sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 458         Cmd_AddCommand(CMD_SHARED, "sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 459         Cmd_AddCommand(CMD_CLIENT | CMD_SERVER_FROM_CLIENT, "sv_startdownload", SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 460         Cmd_AddCommand(CMD_CLIENT | CMD_SERVER_FROM_CLIENT, "download", SV_Download_f, "downloads a specified file from the server");
 461
 462         Cvar_RegisterVariable (&sv_disablenotify);
 463         Cvar_RegisterVariable (&coop);
 464         Cvar_RegisterVariable (&deathmatch);
 465         Cvar_RegisterVariable (&fraglimit);
 466         Cvar_RegisterVariable (&gamecfg);
 467         Cvar_RegisterVariable (&noexit);
 468         Cvar_RegisterVariable (&nomonsters);
 469         Cvar_RegisterVariable (&pausable);
 470         Cvar_RegisterVariable (&pr_checkextension);
 471         Cvar_RegisterVariable (&samelevel);
 472         Cvar_RegisterVariable (&skill);
 473         Cvar_RegisterVariable (&host_timescale);
 474         Cvar_RegisterCallback (&host_timescale, Host_Timescale_c);
 475         Cvar_RegisterAlias (&host_timescale, "slowmo");
 476         Cvar_RegisterAlias (&host_timescale, "timescale");
 477         Cvar_RegisterVariable (&sv_accelerate);
 478         Cvar_RegisterVariable (&sv_aim);
 479         Cvar_RegisterVariable (&sv_airaccel_qw);
 480         Cvar_RegisterVariable (&sv_airaccel_qw_stretchfactor);
 481         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 482         Cvar_RegisterVariable (&sv_airaccelerate);
 483         Cvar_RegisterVariable (&sv_airstopaccelerate);
 484         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 485         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 486         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
 487         Cvar_RegisterVariable (&sv_airspeedlimit_nonqw);
 488         Cvar_RegisterVariable (&sv_aircontrol);
 489         Cvar_RegisterVariable (&sv_aircontrol_power);
 490         Cvar_RegisterVariable (&sv_aircontrol_penalty);
 491         Cvar_RegisterVariable (&sv_allowdownloads);
 492         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 493         Cvar_RegisterVariable (&sv_allowdownloads_config);
 494         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 495         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 496         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 497         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 498         Cvar_RegisterVariable (&sv_clmovement_enable);
 499         Cvar_RegisterVariable (&sv_clmovement_minping);
 500         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 501         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 502         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 503         Cvar_RegisterVariable (&sv_cullentities_pvs);
 504         Cvar_RegisterVariable (&sv_cullentities_stats);
 505         Cvar_RegisterVariable (&sv_cullentities_trace);
 506         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 507         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 508         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 509         Cvar_RegisterVariable (&sv_cullentities_trace_expand);
 510         Cvar_RegisterVariable (&sv_cullentities_trace_eyejitter);
 511         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 512         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 513         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 514         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 515         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 516         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 517         Cvar_RegisterVariable (&sv_debugmove);
 518         Cvar_RegisterVariable (&sv_echobprint);
 519         Cvar_RegisterVariable (&sv_edgefriction);
 520         Cvar_RegisterVariable (&sv_entpatch);
 521         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 522         Cvar_RegisterVariable (&sv_freezenonclients);
 523         Cvar_RegisterVariable (&sv_friction);
 524         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 525         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
 526         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 527         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 528         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 529         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 530         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 531         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 532         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 533         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 534         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 535         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 536         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
 537         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_separation);
 538         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 539         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
 540         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 541         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 542         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 543         Cvar_RegisterVariable (&sv_gameplayfix_stepmultipletimes);
 544         Cvar_RegisterVariable (&sv_gameplayfix_nostepmoveonsteepslopes);
 545         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 546         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 547         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
 548         Cvar_RegisterVariable (&sv_gameplayfix_q1bsptracelinereportstexture);
 549         Cvar_RegisterVariable (&sv_gameplayfix_unstickplayers);
 550         Cvar_RegisterVariable (&sv_gameplayfix_unstickentities);
 551         Cvar_RegisterVariable (&sv_gameplayfix_fixedcheckwatertransition);
 552         Cvar_RegisterVariable (&sv_gameplayfix_customstats);
 553         Cvar_RegisterVariable (&sv_gravity);
 554         Cvar_RegisterVariable (&sv_init_frame_count);
 555         Cvar_RegisterVariable (&sv_idealpitchscale);
 556         Cvar_RegisterVariable (&sv_jumpstep);
 557         Cvar_RegisterVariable (&sv_jumpvelocity);
 558         Cvar_RegisterVariable (&sv_maxairspeed);
 559         Cvar_RegisterVariable (&sv_maxrate);
 560         Cvar_RegisterVariable (&sv_maxspeed);
 561         Cvar_RegisterVariable (&sv_maxvelocity);
 562         Cvar_RegisterVariable (&sv_nostep);
 563         Cvar_RegisterVariable (&sv_playerphysicsqc);
 564         Cvar_RegisterVariable (&sv_progs);
 565         Cvar_RegisterVariable (&sv_protocolname);
 566         Cvar_RegisterVariable (&sv_random_seed);
 567         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
 568         Cvar_RegisterVariable (&sv_sound_land);
 569         Cvar_RegisterVariable (&sv_sound_watersplash);
 570         Cvar_RegisterVariable (&sv_stepheight);
 571         Cvar_RegisterVariable (&sv_stopspeed);
 572         Cvar_RegisterVariable (&sv_wallfriction);
 573         Cvar_RegisterVariable (&sv_wateraccelerate);
 574         Cvar_RegisterVariable (&sv_waterfriction);
 575         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 576         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 577         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 578         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 579         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 580         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 581         Cvar_RegisterVariable (&sv_areadebug);
 582         Cvar_RegisterVariable (&sys_ticrate);
 583         Cvar_RegisterVariable (&teamplay);
 584         Cvar_RegisterVariable (&timelimit);
 585         Cvar_RegisterVariable (&sv_threaded);
 586
 587         Cvar_RegisterVariable (&saved1);
 588         Cvar_RegisterVariable (&saved2);
 589         Cvar_RegisterVariable (&saved3);
 590         Cvar_RegisterVariable (&saved4);
 591         Cvar_RegisterVariable (&savedgamecfg);
 592         Cvar_RegisterVariable (&scratch1);
 593         Cvar_RegisterVariable (&scratch2);
 594         Cvar_RegisterVariable (&scratch3);
 595         Cvar_RegisterVariable (&scratch4);
 596         Cvar_RegisterVariable (&temp1);
 597
 598         // LadyHavoc: Nehahra uses these to pass data around cutscene demos
 599         Cvar_RegisterVariable (&nehx00);
 600         Cvar_RegisterVariable (&nehx01);
 601         Cvar_RegisterVariable (&nehx02);
 602         Cvar_RegisterVariable (&nehx03);
 603         Cvar_RegisterVariable (&nehx04);
 604         Cvar_RegisterVariable (&nehx05);
 605         Cvar_RegisterVariable (&nehx06);
 606         Cvar_RegisterVariable (&nehx07);
 607         Cvar_RegisterVariable (&nehx08);
 608         Cvar_RegisterVariable (&nehx09);
 609         Cvar_RegisterVariable (&nehx10);
 610         Cvar_RegisterVariable (&nehx11);
 611         Cvar_RegisterVariable (&nehx12);
 612         Cvar_RegisterVariable (&nehx13);
 613         Cvar_RegisterVariable (&nehx14);
 614         Cvar_RegisterVariable (&nehx15);
 615         Cvar_RegisterVariable (&nehx16);
 616         Cvar_RegisterVariable (&nehx17);
 617         Cvar_RegisterVariable (&nehx18);
 618         Cvar_RegisterVariable (&nehx19);
 619         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 620
 621         Cvar_RegisterVariable (&sv_autodemo_perclient);
 622         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 623         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
 624
 625         Cvar_RegisterVariable (&halflifebsp);
 626         Cvar_RegisterVariable (&sv_mapformat_is_quake2);
 627         Cvar_RegisterVariable (&sv_mapformat_is_quake3);
 628
 629         sv_mempool = Mem_AllocPool("server", 0, NULL);
 630 }
 631
 632 static void SV_SaveEntFile_f(cmd_state_t *cmd)
 633 {
 634         char vabuf[1024];
 635         if (!sv.active || !sv.worldmodel)
 636         {
 637                 Con_Print("Not running a server\n");
 638                 return;
 639         }
 640         FS_WriteFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 641 }
 642
 643
 644 /*
 645 =============================================================================
 646
 647 EVENT MESSAGES
 648
 649 =============================================================================
 650 */
 651
 652 /*
 653 ==================
 654 SV_StartParticle
 655
 656 Make sure the event gets sent to all clients
 657 ==================
 658 */
 659 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 660 {
 661         int i;
 662
 663         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 664                 return;
 665         MSG_WriteByte (&sv.datagram, svc_particle);
 666         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 667         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 668         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 669         for (i=0 ; i<3 ; i++)
 670                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 671         MSG_WriteByte (&sv.datagram, count);
 672         MSG_WriteByte (&sv.datagram, color);
 673         SV_FlushBroadcastMessages();
 674 }
 675
 676 /*
 677 ==================
 678 SV_StartEffect
 679
 680 Make sure the event gets sent to all clients
 681 ==================
 682 */
 683 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 684 {
 685         if (modelindex >= 256 || startframe >= 256)
 686         {
 687                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 688                         return;
 689                 MSG_WriteByte (&sv.datagram, svc_effect2);
 690                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 691                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 692                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 693                 MSG_WriteShort (&sv.datagram, modelindex);
 694                 MSG_WriteShort (&sv.datagram, startframe);
 695                 MSG_WriteByte (&sv.datagram, framecount);
 696                 MSG_WriteByte (&sv.datagram, framerate);
 697         }
 698         else
 699         {
 700                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 701                         return;
 702                 MSG_WriteByte (&sv.datagram, svc_effect);
 703                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 704                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 705                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 706                 MSG_WriteByte (&sv.datagram, modelindex);
 707                 MSG_WriteByte (&sv.datagram, startframe);
 708                 MSG_WriteByte (&sv.datagram, framecount);
 709                 MSG_WriteByte (&sv.datagram, framerate);
 710         }
 711         SV_FlushBroadcastMessages();
 712 }
 713
 714 /*
 715 ==================
 716 SV_StartSound
 717
 718 Each entity can have eight independant sound sources, like voice,
 719 weapon, feet, etc.
 720
 721 Channel 0 is an auto-allocate channel, the others override anything
 722 already running on that entity/channel pair.
 723
 724 An attenuation of 0 will play full volume everywhere in the level.
 725 Larger attenuations will drop off.  (max 4 attenuation)
 726
 727 ==================
 728 */
 729 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int nvolume, float attenuation, qboolean reliable, float speed)
 730 {
 731         prvm_prog_t *prog = SVVM_prog;
 732         sizebuf_t *dest;
 733         int sound_num, field_mask, i, ent, speed4000;
 734
 735         dest = (reliable ? &sv.reliable_datagram : &sv.datagram);
 736
 737         if (nvolume < 0 || nvolume > 255)
 738         {
 739                 Con_Printf ("SV_StartSound: volume = %i\n", nvolume);
 740                 return;
 741         }
 742
 743         if (attenuation < 0 || attenuation > 4)
 744         {
 745                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 746                 return;
 747         }
 748
 749         if (!IS_CHAN(channel))
 750         {
 751                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 752                 return;
 753         }
 754
 755         channel = CHAN_ENGINE2NET(channel);
 756
 757         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 758                 return;
 759
 760 // find precache number for sound
 761         sound_num = SV_SoundIndex(sample, 1);
 762         if (!sound_num)
 763                 return;
 764
 765         ent = PRVM_NUM_FOR_EDICT(entity);
 766
 767         speed4000 = (int)floor(speed * 4000.0f + 0.5f);
 768         field_mask = 0;
 769         if (nvolume != DEFAULT_SOUND_PACKET_VOLUME)
 770                 field_mask |= SND_VOLUME;
 771         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 772                 field_mask |= SND_ATTENUATION;
 773         if (speed4000 && speed4000 != 4000)
 774                 field_mask |= SND_SPEEDUSHORT4000;
 775         if (ent >= 8192 || channel < 0 || channel > 7)
 776                 field_mask |= SND_LARGEENTITY;
 777         if (sound_num >= 256)
 778                 field_mask |= SND_LARGESOUND;
 779
 780 // directed messages go only to the entity they are targeted on
 781         MSG_WriteByte (dest, svc_sound);
 782         MSG_WriteByte (dest, field_mask);
 783         if (field_mask & SND_VOLUME)
 784                 MSG_WriteByte (dest, nvolume);
 785         if (field_mask & SND_ATTENUATION)
 786                 MSG_WriteByte (dest, (int)(attenuation*64));
 787         if (field_mask & SND_SPEEDUSHORT4000)
 788                 MSG_WriteShort (dest, speed4000);
 789         if (field_mask & SND_LARGEENTITY)
 790         {
 791                 MSG_WriteShort (dest, ent);
 792                 MSG_WriteChar (dest, channel);
 793         }
 794         else
 795                 MSG_WriteShort (dest, (ent<<3) | channel);
 796         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 797                 MSG_WriteShort (dest, sound_num);
 798         else
 799                 MSG_WriteByte (dest, sound_num);
 800         for (i = 0;i < 3;i++)
 801                 MSG_WriteCoord (dest, PRVM_serveredictvector(entity, origin)[i]+0.5*(PRVM_serveredictvector(entity, mins)[i]+PRVM_serveredictvector(entity, maxs)[i]), sv.protocol);
 802
 803         // TODO do we have to do anything here when dest is &sv.reliable_datagram?
 804         if(!reliable)
 805                 SV_FlushBroadcastMessages();
 806 }
 807
 808 /*
 809 ==================
 810 SV_StartPointSound
 811
 812 Nearly the same logic as SV_StartSound, except an origin
 813 instead of an entity is provided and channel is omitted.
 814
 815 The entity sent to the client is 0 (world) and the channel
 816 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 817 function, therefore the check for it is omitted.
 818
 819 ==================
 820 */
 821 void SV_StartPointSound (vec3_t origin, const char *sample, int nvolume, float attenuation, float speed)
 822 {
 823         int sound_num, field_mask, i, speed4000;
 824
 825         if (nvolume < 0 || nvolume > 255)
 826         {
 827                 Con_Printf ("SV_StartPointSound: volume = %i\n", nvolume);
 828                 return;
 829         }
 830
 831         if (attenuation < 0 || attenuation > 4)
 832         {
 833                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 834                 return;
 835         }
 836
 837         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 838                 return;
 839
 840         // find precache number for sound
 841         sound_num = SV_SoundIndex(sample, 1);
 842         if (!sound_num)
 843                 return;
 844
 845         speed4000 = (int)(speed * 40.0f);
 846         field_mask = 0;
 847         if (nvolume != DEFAULT_SOUND_PACKET_VOLUME)
 848                 field_mask |= SND_VOLUME;
 849         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 850                 field_mask |= SND_ATTENUATION;
 851         if (sound_num >= 256)
 852                 field_mask |= SND_LARGESOUND;
 853         if (speed4000 && speed4000 != 4000)
 854                 field_mask |= SND_SPEEDUSHORT4000;
 855
 856 // directed messages go only to the entity they are targeted on
 857         MSG_WriteByte (&sv.datagram, svc_sound);
 858         MSG_WriteByte (&sv.datagram, field_mask);
 859         if (field_mask & SND_VOLUME)
 860                 MSG_WriteByte (&sv.datagram, nvolume);
 861         if (field_mask & SND_ATTENUATION)
 862                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 863         if (field_mask & SND_SPEEDUSHORT4000)
 864                 MSG_WriteShort (&sv.datagram, speed4000);
 865         // Always write entnum 0 for the world entity
 866         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 867         if (field_mask & SND_LARGESOUND)
 868                 MSG_WriteShort (&sv.datagram, sound_num);
 869         else
 870                 MSG_WriteByte (&sv.datagram, sound_num);
 871         for (i = 0;i < 3;i++)
 872                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 873         SV_FlushBroadcastMessages();
 874 }
 875
 876 /*
 877 ==============================================================================
 878
 879 CLIENT SPAWNING
 880
 881 ==============================================================================
 882 */
 883
 884 /*
 885 ================
 886 SV_SendServerinfo
 887
 888 Sends the first message from the server to a connected client.
 889 This will be sent on the initial connection and upon each server load.
 890 ================
 891 */
 892 void SV_SendServerinfo (client_t *client)
 893 {
 894         prvm_prog_t *prog = SVVM_prog;
 895         int i;
 896         char message[128];
 897         char vabuf[1024];
 898
 899         // we know that this client has a netconnection and thus is not a bot
 900
 901         // edicts get reallocated on level changes, so we need to update it here
 902         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 903
 904         // clear cached stuff that depends on the level
 905         client->weaponmodel[0] = 0;
 906         client->weaponmodelindex = 0;
 907
 908         // LadyHavoc: clear entityframe tracking
 909         client->latestframenum = 0;
 910
 911         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 912         client->cmd.time = sv.time;
 913
 914         if (client->entitydatabase)
 915                 EntityFrame_FreeDatabase(client->entitydatabase);
 916         if (client->entitydatabase4)
 917                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 918         if (client->entitydatabase5)
 919                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 920
 921         memset(client->stats, 0, sizeof(client->stats));
 922         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 923
 924         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)
 925         {
 926                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 927                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 928                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 929                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 930                 else
 931                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 932         }
 933
 934         // reset csqc entity versions
 935         for (i = 0;i < prog->max_edicts;i++)
 936         {
 937                 client->csqcentityscope[i] = 0;
 938                 client->csqcentitysendflags[i] = 0xFFFFFF;
 939         }
 940         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 941         {
 942                 client->csqcentityframehistory[i].num = 0;
 943                 client->csqcentityframehistory[i].framenum = -1;
 944         }
 945         client->csqcnumedicts = 0;
 946         client->csqcentityframehistory_next = 0;
 947
 948         SZ_Clear (&client->netconnection->message);
 949         MSG_WriteByte (&client->netconnection->message, svc_print);
 950         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
 951         MSG_WriteString (&client->netconnection->message,message);
 952
 953         SV_StopDemoRecording(client); // to split up demos into different files
 954         if(sv_autodemo_perclient.integer)
 955         {
 956                 char demofile[MAX_OSPATH];
 957                 char ipaddress[MAX_QPATH];
 958                 size_t j;
 959
 960                 // start a new demo file
 961                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 962                 for(j = 0; ipaddress[j]; ++j)
 963                         if(!isalnum(ipaddress[j]))
 964                                 ipaddress[j] = '-';
 965                 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);
 966
 967                 SV_StartDemoRecording(client, demofile, -1);
 968         }
 969
 970         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 971         if (sv.csqc_progname[0])
 972         {
 973                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 974                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 975                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progname %s\n", sv.csqc_progname));
 976                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 977                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progsize %i\n", sv.csqc_progsize));
 978                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 979                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progcrc %i\n", sv.csqc_progcrc));
 980
 981                 if(client->sv_demo_file != NULL)
 982                 {
 983                         int k;
 984                         static char buf[NET_MAXMESSAGE];
 985                         sizebuf_t sb;
 986
 987                         sb.data = (unsigned char *) buf;
 988                         sb.maxsize = sizeof(buf);
 989                         k = 0;
 990                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, k++, &sb, sv.protocol))
 991                                 SV_WriteDemoMessage(client, &sb, false);
 992                 }
 993
 994                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 995                 if (PRVM_GetString(prog, PRVM_serverglobalstring(SV_InitCmd)))
 996                 {
 997                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 998                         MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "%s\n", PRVM_GetString(prog, PRVM_serverglobalstring(SV_InitCmd))));
 999                 }
1000         }
1001
1002         //if (sv_allowdownloads.integer)
1003         // always send the info that the server supports the protocol, even if downloads are forbidden
1004         // only because of that, the CSQC exception can work
1005         {
1006                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
1007                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
1008         }
1009
1010         // send at this time so it's guaranteed to get executed at the right time
1011         {
1012                 client_t *save;
1013                 save = host_client;
1014                 host_client = client;
1015                 Curl_SendRequirements();
1016                 host_client = save;
1017         }
1018
1019         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
1020         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
1021         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
1022
1023         if (!coop.integer && deathmatch.integer)
1024                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
1025         else
1026                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
1027
1028         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)));
1029
1030         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
1031                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
1032         MSG_WriteByte (&client->netconnection->message, 0);
1033
1034         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
1035                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
1036         MSG_WriteByte (&client->netconnection->message, 0);
1037
1038 // send music
1039         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
1040         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1041         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1042
1043 // set view
1044 // store this in clientcamera, too
1045         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
1046         MSG_WriteByte (&client->netconnection->message, svc_setview);
1047         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
1048
1049         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
1050         MSG_WriteByte (&client->netconnection->message, 1);
1051
1052         client->prespawned = false;             // need prespawn, spawn, etc
1053         client->spawned = false;                // need prespawn, spawn, etc
1054         client->begun = false;                  // need prespawn, spawn, etc
1055         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
1056
1057         // clear movement info until client enters the new level properly
1058         memset(&client->cmd, 0, sizeof(client->cmd));
1059         client->movesequence = 0;
1060         client->movement_highestsequence_seen = 0;
1061         memset(&client->movement_count, 0, sizeof(client->movement_count));
1062 #ifdef NUM_PING_TIMES
1063         for (i = 0;i < NUM_PING_TIMES;i++)
1064                 client->ping_times[i] = 0;
1065         client->num_pings = 0;
1066 #endif
1067         client->ping = 0;
1068
1069         // allow the client some time to send his keepalives, even if map loading took ages
1070         client->netconnection->timeout = realtime + net_connecttimeout.value;
1071 }
1072
1073 /*
1074 ================
1075 SV_ConnectClient
1076
1077 Initializes a client_t for a new net connection.  This will only be called
1078 once for a player each game, not once for each level change.
1079 ================
1080 */
1081 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
1082 {
1083         prvm_prog_t *prog = SVVM_prog;
1084         client_t                *client;
1085         int                             i;
1086
1087         client = svs.clients + clientnum;
1088
1089 // set up the client_t
1090         if (sv.loadgame)
1091         {
1092                 float backupparms[NUM_SPAWN_PARMS];
1093                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
1094                 memset(client, 0, sizeof(*client));
1095                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
1096         }
1097         else
1098                 memset(client, 0, sizeof(*client));
1099         client->active = true;
1100         client->netconnection = netconnection;
1101
1102         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
1103
1104         if(client->netconnection && client->netconnection->crypto.authenticated)
1105         {
1106                 Con_Printf("%s connection to %s has been established: client is %s@%s%.*s, I am %.*s@%s%.*s\n",
1107                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
1108                                 client->netconnection->address,
1109                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
1110                                 (client->netconnection->crypto.client_issigned || !client->netconnection->crypto.client_keyfp[0]) ? "" : "~",
1111                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1112                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1113                                 (client->netconnection->crypto.server_issigned || !client->netconnection->crypto.server_keyfp[0]) ? "" : "~",
1114                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1115                                 );
1116         }
1117
1118         strlcpy(client->name, "unconnected", sizeof(client->name));
1119         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1120         client->prespawned = false;
1121         client->spawned = false;
1122         client->begun = false;
1123         client->edict = PRVM_EDICT_NUM(clientnum+1);
1124         if (client->netconnection)
1125                 client->netconnection->message.allowoverflow = true;            // we can catch it
1126         // prepare the unreliable message buffer
1127         client->unreliablemsg.data = client->unreliablemsg_data;
1128         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1129         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1130         client->rate = 1000000000;
1131         client->connecttime = realtime;
1132
1133         if (!sv.loadgame)
1134         {
1135                 // call the progs to get default spawn parms for the new client
1136                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1137                 PRVM_serverglobalfloat(time) = sv.time;
1138                 PRVM_serverglobaledict(self) = 0;
1139                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetNewParms), "QC function SetNewParms is missing");
1140                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1141                         client->spawn_parms[i] = (&PRVM_serverglobalfloat(parm1))[i];
1142
1143                 // set up the entity for this client (including .colormap, .team, etc)
1144                 PRVM_ED_ClearEdict(prog, client->edict);
1145         }
1146
1147         // don't call SendServerinfo for a fresh botclient because its fields have
1148         // not been set up by the qc yet
1149         if (client->netconnection)
1150                 SV_SendServerinfo (client);
1151         else
1152                 client->prespawned = client->spawned = client->begun = true;
1153 }
1154
1155
1156 /*
1157 ===============================================================================
1158
1159 FRAME UPDATES
1160
1161 ===============================================================================
1162 */
1163
1164 /*
1165 =============================================================================
1166
1167 The PVS must include a small area around the client to allow head bobbing
1168 or other small motion on the client side.  Otherwise, a bob might cause an
1169 entity that should be visible to not show up, especially when the bob
1170 crosses a waterline.
1171
1172 =============================================================================
1173 */
1174
1175 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1176 {
1177         prvm_prog_t *prog = SVVM_prog;
1178         int i;
1179         unsigned int sendflags;
1180         unsigned int version;
1181         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1182         unsigned int customizeentityforclient;
1183         unsigned int sendentity;
1184         float f;
1185         prvm_vec_t *v;
1186         vec3_t cullmins, cullmaxs;
1187         dp_model_t *model;
1188
1189         // fast path for games that do not use legacy entity networking
1190         // note: still networks clients even if they are legacy
1191         sendentity = PRVM_serveredictfunction(ent, SendEntity);
1192         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1193                 return false;
1194
1195         // this 2 billion unit check is actually to detect NAN origins
1196         // (we really don't want to send those)
1197         if (!(VectorLength2(PRVM_serveredictvector(ent, origin)) < 2000000000.0*2000000000.0))
1198                 return false;
1199
1200         // EF_NODRAW prevents sending for any reason except for your own
1201         // client, so we must keep all clients in this superset
1202         effects = (unsigned)PRVM_serveredictfloat(ent, effects);
1203
1204         // we can omit invisible entities with no effects that are not clients
1205         // LadyHavoc: this could kill tags attached to an invisible entity, I
1206         // just hope we never have to support that case
1207         i = (int)PRVM_serveredictfloat(ent, modelindex);
1208         modelindex = (i >= 1 && i < MAX_MODELS && PRVM_serveredictstring(ent, model) && *PRVM_GetString(prog, PRVM_serveredictstring(ent, model)) && sv.models[i]) ? i : 0;
1209
1210         flags = 0;
1211         i = (int)(PRVM_serveredictfloat(ent, glow_size) * 0.25f);
1212         glowsize = (unsigned char)bound(0, i, 255);
1213         if (PRVM_serveredictfloat(ent, glow_trail))
1214                 flags |= RENDER_GLOWTRAIL;
1215         if (PRVM_serveredictedict(ent, viewmodelforclient))
1216                 flags |= RENDER_VIEWMODEL;
1217
1218         v = PRVM_serveredictvector(ent, color);
1219         f = v[0]*256;
1220         light[0] = (unsigned short)bound(0, f, 65535);
1221         f = v[1]*256;
1222         light[1] = (unsigned short)bound(0, f, 65535);
1223         f = v[2]*256;
1224         light[2] = (unsigned short)bound(0, f, 65535);
1225         f = PRVM_serveredictfloat(ent, light_lev);
1226         light[3] = (unsigned short)bound(0, f, 65535);
1227         lightstyle = (unsigned char)PRVM_serveredictfloat(ent, style);
1228         lightpflags = (unsigned char)PRVM_serveredictfloat(ent, pflags);
1229
1230         if (gamemode == GAME_TENEBRAE)
1231         {
1232                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1233                 if (effects & 16)
1234                 {
1235                         effects &= ~16;
1236                         lightpflags |= PFLAGS_FULLDYNAMIC;
1237                 }
1238                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1239                 if (effects & 32)
1240                 {
1241                         effects &= ~32;
1242                         light[0] = (int)(0.2*256);
1243                         light[1] = (int)(1.0*256);
1244                         light[2] = (int)(0.2*256);
1245                         light[3] = 200;
1246                         lightpflags |= PFLAGS_FULLDYNAMIC;
1247                 }
1248         }
1249
1250         specialvisibilityradius = 0;
1251         if (lightpflags & PFLAGS_FULLDYNAMIC)
1252                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1253         if (glowsize)
1254                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1255         if (flags & RENDER_GLOWTRAIL)
1256                 specialvisibilityradius = max(specialvisibilityradius, 100);
1257         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1258         {
1259                 if (effects & EF_BRIGHTFIELD)
1260                         specialvisibilityradius = max(specialvisibilityradius, 80);
1261                 if (effects & EF_MUZZLEFLASH)
1262                         specialvisibilityradius = max(specialvisibilityradius, 100);
1263                 if (effects & EF_BRIGHTLIGHT)
1264                         specialvisibilityradius = max(specialvisibilityradius, 400);
1265                 if (effects & EF_DIMLIGHT)
1266                         specialvisibilityradius = max(specialvisibilityradius, 200);
1267                 if (effects & EF_RED)
1268                         specialvisibilityradius = max(specialvisibilityradius, 200);
1269                 if (effects & EF_BLUE)
1270                         specialvisibilityradius = max(specialvisibilityradius, 200);
1271                 if (effects & EF_FLAME)
1272                         specialvisibilityradius = max(specialvisibilityradius, 250);
1273                 if (effects & EF_STARDUST)
1274                         specialvisibilityradius = max(specialvisibilityradius, 100);
1275         }
1276
1277         // early culling checks
1278         // (final culling is done by SV_MarkWriteEntityStateToClient)
1279         customizeentityforclient = PRVM_serveredictfunction(ent, customizeentityforclient);
1280         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1281                 return false;
1282
1283         *cs = defaultstate;
1284         cs->active = ACTIVE_NETWORK;
1285         cs->number = enumber;
1286         VectorCopy(PRVM_serveredictvector(ent, origin), cs->origin);
1287         VectorCopy(PRVM_serveredictvector(ent, angles), cs->angles);
1288         cs->flags = flags;
1289         cs->effects = effects;
1290         cs->colormap = (unsigned)PRVM_serveredictfloat(ent, colormap);
1291         cs->modelindex = modelindex;
1292         cs->skin = (unsigned)PRVM_serveredictfloat(ent, skin);
1293         cs->frame = (unsigned)PRVM_serveredictfloat(ent, frame);
1294         cs->viewmodelforclient = PRVM_serveredictedict(ent, viewmodelforclient);
1295         cs->exteriormodelforclient = PRVM_serveredictedict(ent, exteriormodeltoclient);
1296         cs->nodrawtoclient = PRVM_serveredictedict(ent, nodrawtoclient);
1297         cs->drawonlytoclient = PRVM_serveredictedict(ent, drawonlytoclient);
1298         cs->customizeentityforclient = customizeentityforclient;
1299         cs->tagentity = PRVM_serveredictedict(ent, tag_entity);
1300         cs->tagindex = (unsigned char)PRVM_serveredictfloat(ent, tag_index);
1301         cs->glowsize = glowsize;
1302         cs->traileffectnum = PRVM_serveredictfloat(ent, traileffectnum);
1303
1304         // don't need to init cs->colormod because the defaultstate did that for us
1305         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1306         v = PRVM_serveredictvector(ent, colormod);
1307         if (VectorLength2(v))
1308         {
1309                 i = (int)(v[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1310                 i = (int)(v[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1311                 i = (int)(v[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1312         }
1313
1314         // don't need to init cs->glowmod because the defaultstate did that for us
1315         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1316         v = PRVM_serveredictvector(ent, glowmod);
1317         if (VectorLength2(v))
1318         {
1319                 i = (int)(v[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1320                 i = (int)(v[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1321                 i = (int)(v[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1322         }
1323
1324         cs->modelindex = modelindex;
1325
1326         cs->alpha = 255;
1327         f = (PRVM_serveredictfloat(ent, alpha) * 255.0f);
1328         if (f)
1329         {
1330                 i = (int)f;
1331                 cs->alpha = (unsigned char)bound(0, i, 255);
1332         }
1333         // halflife
1334         f = (PRVM_serveredictfloat(ent, renderamt));
1335         if (f)
1336         {
1337                 i = (int)f;
1338                 cs->alpha = (unsigned char)bound(0, i, 255);
1339         }
1340
1341         cs->scale = 16;
1342         f = (PRVM_serveredictfloat(ent, scale) * 16.0f);
1343         if (f)
1344         {
1345                 i = (int)f;
1346                 cs->scale = (unsigned char)bound(0, i, 255);
1347         }
1348
1349         cs->glowcolor = 254;
1350         f = PRVM_serveredictfloat(ent, glow_color);
1351         if (f)
1352                 cs->glowcolor = (int)f;
1353
1354         if (PRVM_serveredictfloat(ent, fullbright))
1355                 cs->effects |= EF_FULLBRIGHT;
1356
1357         f = PRVM_serveredictfloat(ent, modelflags);
1358         if (f)
1359                 cs->effects |= ((unsigned int)f & 0xff) << 24;
1360
1361         if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
1362                 cs->flags |= RENDER_STEP;
1363         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)
1364                 cs->flags |= RENDER_LOWPRECISION;
1365         if (PRVM_serveredictfloat(ent, colormap) >= 1024)
1366                 cs->flags |= RENDER_COLORMAPPED;
1367         if (cs->viewmodelforclient)
1368                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1369
1370         if (PRVM_serveredictfloat(ent, sendcomplexanimation))
1371         {
1372                 cs->flags |= RENDER_COMPLEXANIMATION;
1373                 if (PRVM_serveredictfloat(ent, skeletonindex) >= 1)
1374                         cs->skeletonobject = ent->priv.server->skeleton;
1375                 cs->framegroupblend[0].frame = PRVM_serveredictfloat(ent, frame);
1376                 cs->framegroupblend[1].frame = PRVM_serveredictfloat(ent, frame2);
1377                 cs->framegroupblend[2].frame = PRVM_serveredictfloat(ent, frame3);
1378                 cs->framegroupblend[3].frame = PRVM_serveredictfloat(ent, frame4);
1379                 cs->framegroupblend[0].start = PRVM_serveredictfloat(ent, frame1time);
1380                 cs->framegroupblend[1].start = PRVM_serveredictfloat(ent, frame2time);
1381                 cs->framegroupblend[2].start = PRVM_serveredictfloat(ent, frame3time);
1382                 cs->framegroupblend[3].start = PRVM_serveredictfloat(ent, frame4time);
1383                 cs->framegroupblend[1].lerp = PRVM_serveredictfloat(ent, lerpfrac);
1384                 cs->framegroupblend[2].lerp = PRVM_serveredictfloat(ent, lerpfrac3);
1385                 cs->framegroupblend[3].lerp = PRVM_serveredictfloat(ent, lerpfrac4);
1386                 cs->framegroupblend[0].lerp = 1.0f - cs->framegroupblend[1].lerp - cs->framegroupblend[2].lerp - cs->framegroupblend[3].lerp;
1387                 cs->frame = 0; // don't need the legacy frame
1388         }
1389
1390         cs->light[0] = light[0];
1391         cs->light[1] = light[1];
1392         cs->light[2] = light[2];
1393         cs->light[3] = light[3];
1394         cs->lightstyle = lightstyle;
1395         cs->lightpflags = lightpflags;
1396
1397         cs->specialvisibilityradius = specialvisibilityradius;
1398
1399         // calculate the visible box of this entity (don't use the physics box
1400         // as that is often smaller than a model, and would not count
1401         // specialvisibilityradius)
1402         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1403         {
1404                 float scale = cs->scale * (1.0f / 16.0f);
1405                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1406                 {
1407                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1408                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1409                 }
1410                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1411                 {
1412                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1413                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1414                 }
1415                 else
1416                 {
1417                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1418                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1419                 }
1420         }
1421         else
1422         {
1423                 // if there is no model (or it could not be loaded), use the physics box
1424                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, mins), cullmins);
1425                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, maxs), cullmaxs);
1426         }
1427         if (specialvisibilityradius)
1428         {
1429                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1430                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1431                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1432                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1433                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1434                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1435         }
1436
1437         // calculate center of bbox for network prioritization purposes
1438         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1439
1440         // if culling box has moved, update pvs cluster links
1441         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1442         {
1443                 VectorCopy(cullmins, ent->priv.server->cullmins);
1444                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1445                 // a value of -1 for pvs_numclusters indicates that the links are not
1446                 // cached, and should be re-tested each time, this is the case if the
1447                 // culling box touches too many pvs clusters to store, or if the world
1448                 // model does not support FindBoxClusters
1449                 ent->priv.server->pvs_numclusters = -1;
1450                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1451                 {
1452                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1453                         if (i <= MAX_ENTITYCLUSTERS)
1454                                 ent->priv.server->pvs_numclusters = i;
1455                 }
1456         }
1457
1458         // we need to do some csqc entity upkeep here
1459         // get self.SendFlags and clear them
1460         // (to let the QC know that they've been read)
1461         if (sendentity)
1462         {
1463                 sendflags = (unsigned int)PRVM_serveredictfloat(ent, SendFlags);
1464                 PRVM_serveredictfloat(ent, SendFlags) = 0;
1465                 // legacy self.Version system
1466                 if ((version = (unsigned int)PRVM_serveredictfloat(ent, Version)))
1467                 {
1468                         if (sv.csqcentityversion[enumber] != version)
1469                                 sendflags = 0xFFFFFF;
1470                         sv.csqcentityversion[enumber] = version;
1471                 }
1472                 // move sendflags into the per-client sendflags
1473                 if (sendflags)
1474                         for (i = 0;i < svs.maxclients;i++)
1475                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1476                 // mark it as inactive for non-csqc networking
1477                 cs->active = ACTIVE_SHARED;
1478         }
1479
1480         return true;
1481 }
1482
1483 static void SV_PrepareEntitiesForSending(void)
1484 {
1485         prvm_prog_t *prog = SVVM_prog;
1486         int e;
1487         prvm_edict_t *ent;
1488         // send all entities that touch the pvs
1489         sv.numsendentities = 0;
1490         sv.sendentitiesindex[0] = NULL;
1491         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1492         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1493         {
1494                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1495                 {
1496                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1497                         sv.numsendentities++;
1498                 }
1499         }
1500 }
1501
1502 #define MAX_LINEOFSIGHTTRACES 64
1503
1504 qboolean SV_CanSeeBox(int numtraces, vec_t eyejitter, vec_t enlarge, vec_t entboxexpand, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1505 {
1506         prvm_prog_t *prog = SVVM_prog;
1507         float pitchsign;
1508         float alpha;
1509         float starttransformed[3], endtransformed[3];
1510         float boxminstransformed[3], boxmaxstransformed[3];
1511         float localboxcenter[3], localboxextents[3], localboxmins[3], localboxmaxs[3];
1512         int blocked = 0;
1513         int traceindex;
1514         int originalnumtouchedicts;
1515         int numtouchedicts = 0;
1516         int touchindex;
1517         matrix4x4_t matrix, imatrix;
1518         dp_model_t *model;
1519         prvm_edict_t *touch;
1520         static prvm_edict_t *touchedicts[MAX_EDICTS];
1521         vec3_t eyemins, eyemaxs, start;
1522         vec3_t boxmins, boxmaxs;
1523         vec3_t clipboxmins, clipboxmaxs;
1524         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1525
1526         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1527
1528         // jitter the eye location within this box
1529         eyemins[0] = eye[0] - eyejitter;
1530         eyemaxs[0] = eye[0] + eyejitter;
1531         eyemins[1] = eye[1] - eyejitter;
1532         eyemaxs[1] = eye[1] + eyejitter;
1533         eyemins[2] = eye[2] - eyejitter;
1534         eyemaxs[2] = eye[2] + eyejitter;
1535         // expand the box a little
1536         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0] - entboxexpand;
1537         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0] + entboxexpand;
1538         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1] - entboxexpand;
1539         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1] + entboxexpand;
1540         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2] - entboxexpand;
1541         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2] + entboxexpand;
1542
1543         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1544         for (traceindex = 1;traceindex < numtraces;traceindex++)
1545                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1546
1547         // calculate sweep box for the entire swarm of traces
1548         VectorCopy(eyemins, clipboxmins);
1549         VectorCopy(eyemaxs, clipboxmaxs);
1550         for (traceindex = 0;traceindex < numtraces;traceindex++)
1551         {
1552                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1553                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1554                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1555                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1556                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1557                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1558         }
1559
1560         // get the list of entities in the sweep box
1561         if (sv_cullentities_trace_entityocclusion.integer)
1562                 numtouchedicts = SV_EntitiesInBox(clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1563         if (numtouchedicts > MAX_EDICTS)
1564         {
1565                 // this never happens
1566                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1567                 numtouchedicts = MAX_EDICTS;
1568         }
1569         // iterate the entities found in the sweep box and filter them
1570         originalnumtouchedicts = numtouchedicts;
1571         numtouchedicts = 0;
1572         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1573         {
1574                 touch = touchedicts[touchindex];
1575                 if (PRVM_serveredictfloat(touch, solid) != SOLID_BSP)
1576                         continue;
1577                 model = SV_GetModelFromEdict(touch);
1578                 if (!model || !model->brush.TraceLineOfSight)
1579                         continue;
1580                 // skip obviously transparent entities
1581                 alpha = PRVM_serveredictfloat(touch, alpha);
1582                 if (alpha && alpha < 1)
1583                         continue;
1584                 if ((int)PRVM_serveredictfloat(touch, effects) & EF_ADDITIVE)
1585                         continue;
1586                 touchedicts[numtouchedicts++] = touch;
1587         }
1588
1589         // now that we have a filtered list of "interesting" entities, fire each
1590         // ray against all of them, this gives us an early-out case when something
1591         // is visible (which it often is)
1592
1593         for (traceindex = 0;traceindex < numtraces;traceindex++)
1594         {
1595                 VectorSet(start, lhrandom(eyemins[0], eyemaxs[0]), lhrandom(eyemins[1], eyemaxs[1]), lhrandom(eyemins[2], eyemaxs[2]));
1596                 // check world occlusion
1597                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1598                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, start, endpoints[traceindex], boxmins, boxmaxs))
1599                                 continue;
1600                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1601                 {
1602                         touch = touchedicts[touchindex];
1603                         model = SV_GetModelFromEdict(touch);
1604                         if(model && model->brush.TraceLineOfSight)
1605                         {
1606                                 // get the entity matrix
1607                                 pitchsign = SV_GetPitchSign(prog, touch);
1608                                 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);
1609                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1610                                 // see if the ray hits this entity
1611                                 Matrix4x4_Transform(&imatrix, start, starttransformed);
1612                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1613                                 Matrix4x4_Transform(&imatrix, boxmins, boxminstransformed);
1614                                 Matrix4x4_Transform(&imatrix, boxmaxs, boxmaxstransformed);
1615                                 // transform the AABB to local space
1616                                 VectorMAM(0.5f, boxminstransformed, 0.5f, boxmaxstransformed, localboxcenter);
1617                                 localboxextents[0] = fabs(boxmaxstransformed[0] - localboxcenter[0]);
1618                                 localboxextents[1] = fabs(boxmaxstransformed[1] - localboxcenter[1]);
1619                                 localboxextents[2] = fabs(boxmaxstransformed[2] - localboxcenter[2]);
1620                                 localboxmins[0] = localboxcenter[0] - localboxextents[0];
1621                                 localboxmins[1] = localboxcenter[1] - localboxextents[1];
1622                                 localboxmins[2] = localboxcenter[2] - localboxextents[2];
1623                                 localboxmaxs[0] = localboxcenter[0] + localboxextents[0];
1624                                 localboxmaxs[1] = localboxcenter[1] + localboxextents[1];
1625                                 localboxmaxs[2] = localboxcenter[2] + localboxextents[2];
1626                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed, localboxmins, localboxmaxs))
1627                                 {
1628                                         blocked++;
1629                                         break;
1630                                 }
1631                         }
1632                 }
1633                 // check if the ray was blocked
1634                 if (touchindex < numtouchedicts)
1635                         continue;
1636                 // return if the ray was not blocked
1637                 return true;
1638         }
1639
1640         // no rays survived
1641         return false;
1642 }
1643
1644 static void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1645 {
1646         prvm_prog_t *prog = SVVM_prog;
1647         int isbmodel;
1648         dp_model_t *model;
1649         prvm_edict_t *ed;
1650         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1651                 return;
1652         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1653         sv.writeentitiestoclient_stats_totalentities++;
1654
1655         if (s->customizeentityforclient)
1656         {
1657                 PRVM_serverglobalfloat(time) = sv.time;
1658                 PRVM_serverglobaledict(self) = s->number;
1659                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1660                 prog->ExecuteProgram(prog, s->customizeentityforclient, "customizeentityforclient: NULL function");
1661                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1662                         return;
1663         }
1664
1665         // never reject player
1666         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1667         {
1668                 // check various rejection conditions
1669                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1670                         return;
1671                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1672                         return;
1673                 if (s->effects & EF_NODRAW)
1674                         return;
1675                 // LadyHavoc: only send entities with a model or important effects
1676                 if (!s->modelindex && s->specialvisibilityradius == 0)
1677                         return;
1678
1679                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1680                 // viewmodels don't have visibility checking
1681                 if (s->viewmodelforclient)
1682                 {
1683                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1684                                 return;
1685                 }
1686                 else if (s->tagentity)
1687                 {
1688                         // tag attached entities simply check their parent
1689                         if (!sv.sendentitiesindex[s->tagentity])
1690                                 return;
1691                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1692                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1693                                 return;
1694                 }
1695                 // always send world submodels in newer protocols because they don't
1696                 // generate much traffic (in old protocols they hog bandwidth)
1697                 // but only if sv_cullentities_nevercullbmodels is off
1698                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1699                 {
1700                         // entity has survived every check so far, check if visible
1701                         ed = PRVM_EDICT_NUM(s->number);
1702
1703                         // if not touching a visible leaf
1704                         if (sv_cullentities_pvs.integer && !r_novis.integer && !r_trippy.integer && sv.writeentitiestoclient_pvsbytes)
1705                         {
1706                                 if (ed->priv.server->pvs_numclusters < 0)
1707                                 {
1708                                         // entity too big for clusters list
1709                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1710                                         {
1711                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1712                                                 return;
1713                                         }
1714                                 }
1715                                 else
1716                                 {
1717                                         int i;
1718                                         // check cached clusters list
1719                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1720                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1721                                                         break;
1722                                         if (i == ed->priv.server->pvs_numclusters)
1723                                         {
1724                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1725                                                 return;
1726                                         }
1727                                 }
1728                         }
1729
1730                         // or not seen by random tracelines
1731                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight && !r_trippy.integer)
1732                         {
1733                                 int samples =
1734                                         s->number <= svs.maxclients
1735                                                 ? sv_cullentities_trace_samples_players.integer
1736                                                 :
1737                                         s->specialvisibilityradius
1738                                                 ? sv_cullentities_trace_samples_extra.integer
1739                                                 : sv_cullentities_trace_samples.integer;
1740                                 float enlarge = sv_cullentities_trace_enlarge.value;
1741
1742                                 if(samples > 0)
1743                                 {
1744                                         int eyeindex;
1745                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1746                                                 if(SV_CanSeeBox(samples, sv_cullentities_trace_eyejitter.value, enlarge, sv_cullentities_trace_expand.value, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1747                                                         break;
1748                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1749                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1750                                                         realtime + (
1751                                                                 s->number <= svs.maxclients
1752                                                                         ? sv_cullentities_trace_delay_players.value
1753                                                                         : sv_cullentities_trace_delay.value
1754                                                         );
1755                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1756                                         {
1757                                                 sv.writeentitiestoclient_stats_culled_trace++;
1758                                                 return;
1759                                         }
1760                                 }
1761                         }
1762                 }
1763         }
1764
1765         // this just marks it for sending
1766         // FIXME: it would be more efficient to send here, but the entity
1767         // compressor isn't that flexible
1768         sv.writeentitiestoclient_stats_visibleentities++;
1769         sv.sententities[s->number] = sv.sententitiesmark;
1770 }
1771
1772 #if MAX_LEVELNETWORKEYES > 0
1773 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1774 static void SV_AddCameraEyes(void)
1775 {
1776         prvm_prog_t *prog = SVVM_prog;
1777         int e, i, j, k;
1778         prvm_edict_t *ed;
1779         static int cameras[MAX_LEVELNETWORKEYES];
1780         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1781         static int eye_levels[MAX_CLIENTNETWORKEYES];
1782         int n_cameras = 0;
1783         vec3_t mi, ma;
1784
1785         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1786                 eye_levels[i] = 0;
1787
1788         // check line of sight to portal entities and add them to PVS
1789         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1790         {
1791                 if (!ed->priv.server->free)
1792                 {
1793                         if(PRVM_serveredictfunction(ed, camera_transform))
1794                         {
1795                                 PRVM_serverglobalfloat(time) = sv.time;
1796                                 PRVM_serverglobaledict(self) = e;
1797                                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1798                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_serverglobalvector(trace_endpos));
1799                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1800                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1801                                 prog->ExecuteProgram(prog, PRVM_serveredictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1802                                 if(!VectorCompare(PRVM_serverglobalvector(trace_endpos), sv.writeentitiestoclient_eyes[0]))
1803                                 {
1804                                         VectorCopy(PRVM_serverglobalvector(trace_endpos), camera_origins[n_cameras]);
1805                                         cameras[n_cameras] = e;
1806                                         ++n_cameras;
1807                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1808                                                 break;
1809                                 }
1810                         }
1811                 }
1812         }
1813
1814         if(!n_cameras)
1815                 return;
1816
1817         // i is loop counter, is reset to 0 when an eye got added
1818         // j is camera index to check
1819         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1820         {
1821                 if(!cameras[j])
1822                         continue;
1823                 ed = PRVM_EDICT_NUM(cameras[j]);
1824                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, mins), mi);
1825                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, maxs), ma);
1826                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1827                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1828                 {
1829                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_eyejitter.value, sv_cullentities_trace_enlarge.value, sv_cullentities_trace_expand.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1830                         {
1831                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1832                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1833                                 // 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);
1834                                 sv.writeentitiestoclient_numeyes++;
1835                                 cameras[j] = 0;
1836                                 i = 0;
1837                                 break;
1838                         }
1839                 }
1840         }
1841 }
1842 #else
1843 void SV_AddCameraEyes(void)
1844 {
1845 }
1846 #endif
1847
1848 static void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1849 {
1850         prvm_prog_t *prog = SVVM_prog;
1851         qboolean need_empty = false;
1852         int i, numsendstates, numcsqcsendstates;
1853         entity_state_t *s;
1854         prvm_edict_t *camera;
1855         qboolean success;
1856         vec3_t eye;
1857
1858         // if there isn't enough space to accomplish anything, skip it
1859         if (msg->cursize + 25 > maxsize)
1860                 return;
1861
1862         sv.writeentitiestoclient_msg = msg;
1863         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1864
1865         sv.writeentitiestoclient_stats_culled_pvs = 0;
1866         sv.writeentitiestoclient_stats_culled_trace = 0;
1867         sv.writeentitiestoclient_stats_visibleentities = 0;
1868         sv.writeentitiestoclient_stats_totalentities = 0;
1869         sv.writeentitiestoclient_numeyes = 0;
1870
1871         // get eye location
1872         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LadyHavoc: for comparison purposes
1873         camera = PRVM_EDICT_NUM( client->clientcamera );
1874         VectorAdd(PRVM_serveredictvector(camera, origin), PRVM_serveredictvector(clent, view_ofs), eye);
1875         sv.writeentitiestoclient_pvsbytes = 0;
1876         // get the PVS values for the eye location, later FatPVS calls will merge
1877         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1878                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1879
1880         // add the eye to a list for SV_CanSeeBox tests
1881         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1882         sv.writeentitiestoclient_numeyes++;
1883
1884         // calculate predicted eye origin for SV_CanSeeBox tests
1885         if (sv_cullentities_trace_prediction.integer)
1886         {
1887                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1888                 vec3_t predeye;
1889                 VectorMA(eye, predtime, PRVM_serveredictvector(camera, velocity), predeye);
1890                 if (SV_CanSeeBox(1, 0, 0, 0, eye, predeye, predeye))
1891                 {
1892                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1893                         sv.writeentitiestoclient_numeyes++;
1894                 }
1895                 //if (!sv.writeentitiestoclient_useprediction)
1896                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1897         }
1898
1899         SV_AddCameraEyes();
1900
1901         // build PVS from the new eyes
1902         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1903                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1904                         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);
1905
1906         sv.sententitiesmark++;
1907
1908         for (i = 0;i < sv.numsendentities;i++)
1909                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1910
1911         numsendstates = 0;
1912         numcsqcsendstates = 0;
1913         for (i = 0;i < sv.numsendentities;i++)
1914         {
1915                 s = &sv.sendentities[i];
1916                 if (sv.sententities[s->number] == sv.sententitiesmark)
1917                 {
1918                         if(s->active == ACTIVE_NETWORK)
1919                         {
1920                                 if (s->exteriormodelforclient)
1921                                 {
1922                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1923                                                 s->flags |= RENDER_EXTERIORMODEL;
1924                                         else
1925                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1926                                 }
1927                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1928                         }
1929                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1930                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1931                         else
1932                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1933                 }
1934         }
1935
1936         if (sv_cullentities_stats.integer)
1937                 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);
1938
1939         if(client->entitydatabase5)
1940                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1941         else
1942                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1943
1944         // force every 16th frame to be not empty (or cl_movement replay takes
1945         // too long)
1946         // BTW, this should normally not kick in any more due to the check
1947         // below, except if the client stopped sending movement frames
1948         if(client->num_skippedentityframes >= 16)
1949                 need_empty = true;
1950
1951         // help cl_movement a bit more
1952         if(client->movesequence != client->lastmovesequence)
1953                 need_empty = true;
1954         client->lastmovesequence = client->movesequence;
1955
1956         if (client->entitydatabase5)
1957                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1958         else if (client->entitydatabase4)
1959         {
1960                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1961                 Protocol_WriteStatsReliable();
1962         }
1963         else if (client->entitydatabase)
1964         {
1965                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1966                 Protocol_WriteStatsReliable();
1967         }
1968         else
1969         {
1970                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1971                 Protocol_WriteStatsReliable();
1972         }
1973
1974         if(success)
1975                 client->num_skippedentityframes = 0;
1976         else
1977                 ++client->num_skippedentityframes;
1978 }
1979
1980 /*
1981 =============
1982 SV_CleanupEnts
1983
1984 =============
1985 */
1986 static void SV_CleanupEnts (void)
1987 {
1988         prvm_prog_t *prog = SVVM_prog;
1989         int             e;
1990         prvm_edict_t    *ent;
1991
1992         ent = PRVM_NEXT_EDICT(prog->edicts);
1993         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1994                 PRVM_serveredictfloat(ent, effects) = (int)PRVM_serveredictfloat(ent, effects) & ~EF_MUZZLEFLASH;
1995 }
1996
1997 /*
1998 ==================
1999 SV_WriteClientdataToMessage
2000
2001 ==================
2002 */
2003 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
2004 {
2005         prvm_prog_t *prog = SVVM_prog;
2006         int             bits;
2007         int             i;
2008         prvm_edict_t    *other;
2009         int             items;
2010         vec3_t  punchvector;
2011         int             viewzoom;
2012         const char *s;
2013         float   *statsf = (float *)stats;
2014         float gravity;
2015
2016 //
2017 // send a damage message
2018 //
2019         if (PRVM_serveredictfloat(ent, dmg_take) || PRVM_serveredictfloat(ent, dmg_save))
2020         {
2021                 other = PRVM_PROG_TO_EDICT(PRVM_serveredictedict(ent, dmg_inflictor));
2022                 MSG_WriteByte (msg, svc_damage);
2023                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_save));
2024                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_take));
2025                 for (i=0 ; i<3 ; i++)
2026                         MSG_WriteCoord (msg, PRVM_serveredictvector(other, origin)[i] + 0.5*(PRVM_serveredictvector(other, mins)[i] + PRVM_serveredictvector(other, maxs)[i]), sv.protocol);
2027
2028                 PRVM_serveredictfloat(ent, dmg_take) = 0;
2029                 PRVM_serveredictfloat(ent, dmg_save) = 0;
2030         }
2031
2032 //
2033 // send the current viewpos offset from the view entity
2034 //
2035         SV_SetIdealPitch ();            // how much to look up / down ideally
2036
2037 // a fixangle might get lost in a dropped packet.  Oh well.
2038         if(PRVM_serveredictfloat(ent, fixangle))
2039         {
2040                 // angle fixing was requested by global thinking code...
2041                 // so store the current angles for later use
2042                 VectorCopy(PRVM_serveredictvector(ent, angles), host_client->fixangle_angles);
2043                 host_client->fixangle_angles_set = true;
2044
2045                 // and clear fixangle for the next frame
2046                 PRVM_serveredictfloat(ent, fixangle) = 0;
2047         }
2048
2049         if (host_client->fixangle_angles_set)
2050         {
2051                 MSG_WriteByte (msg, svc_setangle);
2052                 for (i=0 ; i < 3 ; i++)
2053                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
2054                 host_client->fixangle_angles_set = false;
2055         }
2056
2057         // the runes are in serverflags, pack them into the items value, also pack
2058         // in the items2 value for mission pack huds
2059         // (used only in the mission packs, which do not use serverflags)
2060         items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serveredictfloat(ent, items2) << 23) | ((int)PRVM_serverglobalfloat(serverflags) << 28);
2061
2062         VectorCopy(PRVM_serveredictvector(ent, punchvector), punchvector);
2063
2064         // cache weapon model name and index in client struct to save time
2065         // (this search can be almost 1% of cpu time!)
2066         s = PRVM_GetString(prog, PRVM_serveredictstring(ent, weaponmodel));
2067         if (strcmp(s, client->weaponmodel))
2068         {
2069                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
2070                 client->weaponmodelindex = SV_ModelIndex(s, 1);
2071         }
2072
2073         viewzoom = (int)(PRVM_serveredictfloat(ent, viewzoom) * 255.0f);
2074         if (viewzoom == 0)
2075                 viewzoom = 255;
2076
2077         bits = 0;
2078
2079         if ((int)PRVM_serveredictfloat(ent, flags) & FL_ONGROUND)
2080                 bits |= SU_ONGROUND;
2081         if (PRVM_serveredictfloat(ent, waterlevel) >= 2)
2082                 bits |= SU_INWATER;
2083         if (PRVM_serveredictfloat(ent, idealpitch))
2084                 bits |= SU_IDEALPITCH;
2085
2086         for (i=0 ; i<3 ; i++)
2087         {
2088                 if (PRVM_serveredictvector(ent, punchangle)[i])
2089                         bits |= (SU_PUNCH1<<i);
2090                 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)
2091                         if (punchvector[i])
2092                                 bits |= (SU_PUNCHVEC1<<i);
2093                 if (PRVM_serveredictvector(ent, velocity)[i])
2094                         bits |= (SU_VELOCITY1<<i);
2095         }
2096
2097         gravity = PRVM_serveredictfloat(ent, gravity);if (!gravity) gravity = 1.0f;
2098
2099         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
2100         stats[STAT_VIEWHEIGHT] = (int)PRVM_serveredictvector(ent, view_ofs)[2];
2101         stats[STAT_ITEMS] = items;
2102         stats[STAT_WEAPONFRAME] = (int)PRVM_serveredictfloat(ent, weaponframe);
2103         stats[STAT_ARMOR] = (int)PRVM_serveredictfloat(ent, armorvalue);
2104         stats[STAT_WEAPON] = client->weaponmodelindex;
2105         stats[STAT_HEALTH] = (int)PRVM_serveredictfloat(ent, health);
2106         stats[STAT_AMMO] = (int)PRVM_serveredictfloat(ent, currentammo);
2107         stats[STAT_SHELLS] = (int)PRVM_serveredictfloat(ent, ammo_shells);
2108         stats[STAT_NAILS] = (int)PRVM_serveredictfloat(ent, ammo_nails);
2109         stats[STAT_ROCKETS] = (int)PRVM_serveredictfloat(ent, ammo_rockets);
2110         stats[STAT_CELLS] = (int)PRVM_serveredictfloat(ent, ammo_cells);
2111         stats[STAT_ACTIVEWEAPON] = (int)PRVM_serveredictfloat(ent, weapon);
2112         stats[STAT_VIEWZOOM] = viewzoom;
2113         stats[STAT_TOTALSECRETS] = (int)PRVM_serverglobalfloat(total_secrets);
2114         stats[STAT_TOTALMONSTERS] = (int)PRVM_serverglobalfloat(total_monsters);
2115         // the QC bumps these itself by sending svc_'s, so we have to keep them
2116         // zero or they'll be corrected by the engine
2117         //stats[STAT_SECRETS] = PRVM_serverglobalfloat(found_secrets);
2118         //stats[STAT_MONSTERS] = PRVM_serverglobalfloat(killed_monsters);
2119
2120         if(!sv_gameplayfix_customstats.integer)
2121         {
2122                 statsf[STAT_MOVEVARS_AIRACCEL_QW_STRETCHFACTOR] = sv_airaccel_qw_stretchfactor.value;
2123                 statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
2124                 statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2125                 statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
2126                 statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
2127                 // movement settings for prediction
2128                 // note: these are not sent in protocols with lower MAX_CL_STATS limits
2129                 stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
2130                         | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
2131                         | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
2132                         | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
2133                 ;
2134                 statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
2135                 statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
2136                 statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2137                 statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2138                 statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2139                 statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
2140                 statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
2141                 statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
2142                 statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
2143                 statsf[STAT_FRAGLIMIT] = fraglimit.value;
2144                 statsf[STAT_TIMELIMIT] = timelimit.value;
2145                 statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
2146                 statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
2147                 statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
2148                 statsf[STAT_MOVEVARS_TIMESCALE] = host_timescale.value;
2149                 statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
2150                 statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
2151                 statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
2152                 statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
2153                 statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
2154                 statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
2155                 statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
2156                 statsf[STAT_MOVEVARS_ENTGRAVITY] = gravity;
2157                 statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
2158                 statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
2159                 statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
2160                 statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
2161                 statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
2162                 statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
2163         }
2164
2165         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)
2166         {
2167                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2168                 bits |= SU_ITEMS;
2169                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2170                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2171                 bits |= SU_WEAPON;
2172                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2173                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2174                         if (viewzoom != 255)
2175                                 bits |= SU_VIEWZOOM;
2176         }
2177
2178         if (bits >= 65536)
2179                 bits |= SU_EXTEND1;
2180         if (bits >= 16777216)
2181                 bits |= SU_EXTEND2;
2182
2183         // send the data
2184         MSG_WriteByte (msg, svc_clientdata);
2185         MSG_WriteShort (msg, bits);
2186         if (bits & SU_EXTEND1)
2187                 MSG_WriteByte(msg, bits >> 16);
2188         if (bits & SU_EXTEND2)
2189                 MSG_WriteByte(msg, bits >> 24);
2190
2191         if (bits & SU_VIEWHEIGHT)
2192                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2193
2194         if (bits & SU_IDEALPITCH)
2195                 MSG_WriteChar (msg, (int)PRVM_serveredictfloat(ent, idealpitch));
2196
2197         for (i=0 ; i<3 ; i++)
2198         {
2199                 if (bits & (SU_PUNCH1<<i))
2200                 {
2201                         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)
2202                                 MSG_WriteChar(msg, (int)PRVM_serveredictvector(ent, punchangle)[i]);
2203                         else
2204                                 MSG_WriteAngle16i(msg, PRVM_serveredictvector(ent, punchangle)[i]);
2205                 }
2206                 if (bits & (SU_PUNCHVEC1<<i))
2207                 {
2208                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2209                                 MSG_WriteCoord16i(msg, punchvector[i]);
2210                         else
2211                                 MSG_WriteCoord32f(msg, punchvector[i]);
2212                 }
2213                 if (bits & (SU_VELOCITY1<<i))
2214                 {
2215                         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)
2216                                 MSG_WriteChar(msg, (int)(PRVM_serveredictvector(ent, velocity)[i] * (1.0f / 16.0f)));
2217                         else
2218                                 MSG_WriteCoord32f(msg, PRVM_serveredictvector(ent, velocity)[i]);
2219                 }
2220         }
2221
2222         if (bits & SU_ITEMS)
2223                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2224
2225         if (sv.protocol == PROTOCOL_DARKPLACES5)
2226         {
2227                 if (bits & SU_WEAPONFRAME)
2228                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2229                 if (bits & SU_ARMOR)
2230                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2231                 if (bits & SU_WEAPON)
2232                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2233                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2234                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2235                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2236                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2237                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2238                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2239                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2240                 if (bits & SU_VIEWZOOM)
2241                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2242         }
2243         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)
2244         {
2245                 if (bits & SU_WEAPONFRAME)
2246                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2247                 if (bits & SU_ARMOR)
2248                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2249                 if (bits & SU_WEAPON)
2250                 {
2251                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2252                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2253                         else
2254                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2255                 }
2256                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2257                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2258                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2259                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2260                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2261                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2262                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_QUOTH || IS_OLDNEXUIZ_DERIVED(gamemode))
2263                 {
2264                         for (i = 0;i < 32;i++)
2265                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2266                                         break;
2267                         MSG_WriteByte (msg, i);
2268                 }
2269                 else
2270                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2271                 if (bits & SU_VIEWZOOM)
2272                 {
2273                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2274                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2275                         else
2276                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2277                 }
2278         }
2279 }
2280
2281 void SV_FlushBroadcastMessages(void)
2282 {
2283         int i;
2284         client_t *client;
2285         if (sv.datagram.cursize <= 0)
2286                 return;
2287         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2288         {
2289                 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])))
2290                         continue;
2291                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2292                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2293         }
2294         SZ_Clear(&sv.datagram);
2295 }
2296
2297 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2298 {
2299         // scan the splitpoints to find out how many we can fit in
2300         int numsegments, j, split;
2301         if (!client->unreliablemsg_splitpoints)
2302                 return;
2303         // always accept the first one if it's within 1024 bytes, this ensures
2304         // that very big datagrams which are over the rate limit still get
2305         // through, just to keep it working
2306         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2307                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2308                         break;
2309         // the first segment gets an exemption from the rate limiting, otherwise
2310         // it could get dropped consistently due to a low rate limit
2311         if (numsegments == 1)
2312                 maxsize = maxsize2;
2313         // some will fit, so add the ones that will fit
2314         split = client->unreliablemsg_splitpoint[numsegments-1];
2315         // note this discards ones that were accepted by the segments scan but
2316         // can not fit, such as a really huge first one that will never ever
2317         // fit in a packet...
2318         if (msg->cursize + split <= maxsize)
2319                 SZ_Write(msg, client->unreliablemsg.data, split);
2320         // remove the part we sent, keeping any remaining data
2321         client->unreliablemsg.cursize -= split;
2322         if (client->unreliablemsg.cursize > 0)
2323                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2324         // adjust remaining splitpoints
2325         client->unreliablemsg_splitpoints -= numsegments;
2326         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2327                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2328 }
2329
2330 /*
2331 =======================
2332 SV_SendClientDatagram
2333 =======================
2334 */
2335 static void SV_SendClientDatagram (client_t *client)
2336 {
2337         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2338         sizebuf_t msg;
2339         int stats[MAX_CL_STATS];
2340         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2341         double timedelta;
2342
2343         // obey rate limit by limiting packet frequency if the packet size
2344         // limiting fails
2345         // (usually this is caused by reliable messages)
2346         if (!NetConn_CanSend(client->netconnection))
2347                 return;
2348
2349         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2350         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2351         if (sv_maxrate.integer != maxrate)
2352                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2353
2354         // clientrate determines the 'cleartime' of a packet
2355         // (how long to wait before sending another, based on this packet's size)
2356         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2357
2358         switch (sv.protocol)
2359         {
2360         case PROTOCOL_QUAKE:
2361         case PROTOCOL_QUAKEDP:
2362         case PROTOCOL_NEHAHRAMOVIE:
2363         case PROTOCOL_NEHAHRABJP:
2364         case PROTOCOL_NEHAHRABJP2:
2365         case PROTOCOL_NEHAHRABJP3:
2366         case PROTOCOL_QUAKEWORLD:
2367                 // no packet size limit support on Quake protocols because it just
2368                 // causes missing entities/effects
2369                 // packets are simply sent less often to obey the rate limit
2370                 maxsize = 1024;
2371                 maxsize2 = 1024;
2372                 break;
2373         case PROTOCOL_DARKPLACES1:
2374         case PROTOCOL_DARKPLACES2:
2375         case PROTOCOL_DARKPLACES3:
2376         case PROTOCOL_DARKPLACES4:
2377                 // no packet size limit support on DP1-4 protocols because they kick
2378                 // the client off if they overflow, and miss effects
2379                 // packets are simply sent less often to obey the rate limit
2380                 maxsize = sizeof(sv_sendclientdatagram_buf);
2381                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2382                 break;
2383         default:
2384                 // DP5 and later protocols support packet size limiting which is a
2385                 // better method than limiting packet frequency as QW does
2386                 //
2387                 // at very low rates (or very small sys_ticrate) the packet size is
2388                 // not reduced below 128, but packets may be sent less often
2389
2390                 // how long are bursts?
2391                 timedelta = host_client->rate_burstsize / (double)client->rate;
2392
2393                 // how much of the burst do we keep reserved?
2394                 timedelta *= 1 - net_burstreserve.value;
2395
2396                 // only try to use excess time
2397                 timedelta = bound(0, realtime - host_client->netconnection->cleartime, timedelta);
2398
2399                 // but we know next packet will be in sys_ticrate, so we can use up THAT bandwidth
2400                 timedelta += sys_ticrate.value;
2401
2402                 // note: packet overhead (not counted in maxsize) is 28 bytes
2403                 maxsize = (int)(clientrate * timedelta) - 28;
2404
2405                 // put it in sound bounds
2406                 maxsize = bound(128, maxsize, 1400);
2407                 maxsize2 = 1400;
2408
2409                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2410                 // mods that use csqc (they are likely to use less bandwidth anyway)
2411                 if((net_usesizelimit.integer == 1) ? (sv.csqc_progsize > 0) : (net_usesizelimit.integer < 1))
2412                         maxsize = maxsize2;
2413
2414                 break;
2415         }
2416
2417         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2418         {
2419                 // for good singleplayer, send huge packets
2420                 maxsize = sizeof(sv_sendclientdatagram_buf);
2421                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2422                 // never limit frequency in singleplayer
2423                 clientrate = 1000000000;
2424         }
2425
2426         // while downloading, limit entity updates to half the packet
2427         // (any leftover space will be used for downloading)
2428         if (host_client->download_file)
2429                 maxsize /= 2;
2430
2431         msg.data = sv_sendclientdatagram_buf;
2432         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2433         msg.cursize = 0;
2434         msg.allowoverflow = false;
2435
2436         if (host_client->begun)
2437         {
2438                 // the player is in the game
2439                 MSG_WriteByte (&msg, svc_time);
2440                 MSG_WriteFloat (&msg, sv.time);
2441
2442                 // add the client specific data to the datagram
2443                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2444                 // now update the stats[] array using any registered custom fields
2445                 VM_SV_UpdateCustomStats(client, client->edict, &msg, stats);
2446                 // set host_client->statsdeltabits
2447                 Protocol_UpdateClientStats (stats);
2448
2449                 // add as many queued unreliable messages (effects) as we can fit
2450                 // limit effects to half of the remaining space
2451                 if (client->unreliablemsg.cursize)
2452                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2453
2454                 // now write as many entities as we can fit, and also sends stats
2455                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2456         }
2457         else if (realtime > client->keepalivetime)
2458         {
2459                 // the player isn't totally in the game yet
2460                 // send small keepalive messages if too much time has passed
2461                 // (may also be sending downloads)
2462                 client->keepalivetime = realtime + 5;
2463                 MSG_WriteChar (&msg, svc_nop);
2464         }
2465
2466         // if a download is active, see if there is room to fit some download data
2467         // in this packet
2468         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2469         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2470         {
2471                 fs_offset_t downloadstart;
2472                 unsigned char data[1400];
2473                 downloadstart = FS_Tell(host_client->download_file);
2474                 downloadsize = min(downloadsize, (int)sizeof(data));
2475                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2476                 // note this sends empty messages if at the end of the file, which is
2477                 // necessary to keep the packet loss logic working
2478                 // (the last blocks may be lost and need to be re-sent, and that will
2479                 //  only occur if the client acks the empty end messages, revealing
2480                 //  a gap in the download progress, causing the last blocks to be
2481                 //  sent again)
2482                 MSG_WriteChar (&msg, svc_downloaddata);
2483                 MSG_WriteLong (&msg, downloadstart);
2484                 MSG_WriteShort (&msg, downloadsize);
2485                 if (downloadsize > 0)
2486                         SZ_Write (&msg, data, downloadsize);
2487         }
2488
2489         // reliable only if none is in progress
2490         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2491                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2492         // unreliable
2493         SV_WriteDemoMessage(client, &msg, false);
2494
2495 // send the datagram
2496         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->rate_burstsize, client->sendsignon == 2);
2497         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2498                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2499 }
2500
2501 /*
2502 =======================
2503 SV_UpdateToReliableMessages
2504 =======================
2505 */
2506 static void SV_UpdateToReliableMessages (void)
2507 {
2508         prvm_prog_t *prog = SVVM_prog;
2509         int i, j;
2510         client_t *client;
2511         const char *name;
2512         const char *model;
2513         const char *skin;
2514         int clientcamera;
2515
2516 // check for changes to be sent over the reliable streams
2517         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2518         {
2519                 // update the host_client fields we care about according to the entity fields
2520                 host_client->edict = PRVM_EDICT_NUM(i+1);
2521
2522                 // DP_SV_CLIENTNAME
2523                 name = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, netname));
2524                 if (name == NULL)
2525                         name = "";
2526                 // always point the string back at host_client->name to keep it safe
2527                 //strlcpy (host_client->name, name, sizeof (host_client->name));
2528                 if (name != host_client->name) // prevent buffer overlap SIGABRT on Mac OSX
2529                         strlcpy (host_client->name, name, sizeof (host_client->name));
2530                 PRVM_serveredictstring(host_client->edict, netname) = PRVM_SetEngineString(prog, host_client->name);
2531                 if (strcmp(host_client->old_name, host_client->name))
2532                 {
2533                         if (host_client->begun)
2534                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2535                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2536                         // send notification to all clients
2537                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2538                         MSG_WriteByte (&sv.reliable_datagram, i);
2539                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2540                         SV_WriteNetnameIntoDemo(host_client);
2541                 }
2542
2543                 // DP_SV_CLIENTCOLORS
2544                 host_client->colors = (int)PRVM_serveredictfloat(host_client->edict, clientcolors);
2545                 if (host_client->old_colors != host_client->colors)
2546                 {
2547                         host_client->old_colors = host_client->colors;
2548                         // send notification to all clients
2549                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2550                         MSG_WriteByte (&sv.reliable_datagram, i);
2551                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2552                 }
2553
2554                 // NEXUIZ_PLAYERMODEL
2555                 model = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playermodel));
2556                 if (model == NULL)
2557                         model = "";
2558                 // always point the string back at host_client->name to keep it safe
2559                 //strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2560                 if (model != host_client->playermodel) // prevent buffer overlap SIGABRT on Mac OSX
2561                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2562                 PRVM_serveredictstring(host_client->edict, playermodel) = PRVM_SetEngineString(prog, host_client->playermodel);
2563
2564                 // NEXUIZ_PLAYERSKIN
2565                 skin = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playerskin));
2566                 if (skin == NULL)
2567                         skin = "";
2568                 // always point the string back at host_client->name to keep it safe
2569                 //strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2570                 if (skin != host_client->playerskin) // prevent buffer overlap SIGABRT on Mac OSX
2571                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2572                 PRVM_serveredictstring(host_client->edict, playerskin) = PRVM_SetEngineString(prog, host_client->playerskin);
2573
2574                 // TODO: add an extension name for this [1/17/2008 Black]
2575                 clientcamera = PRVM_serveredictedict(host_client->edict, clientcamera);
2576                 if (clientcamera > 0)
2577                 {
2578                         int oldclientcamera = host_client->clientcamera;
2579                         if (clientcamera >= prog->max_edicts || PRVM_EDICT_NUM(clientcamera)->priv.required->free)
2580                                 clientcamera = PRVM_NUM_FOR_EDICT(host_client->edict);
2581                         host_client->clientcamera = clientcamera;
2582
2583                         if (oldclientcamera != host_client->clientcamera && host_client->netconnection)
2584                         {
2585                                 MSG_WriteByte(&host_client->netconnection->message, svc_setview);
2586                                 MSG_WriteShort(&host_client->netconnection->message, host_client->clientcamera);
2587                         }
2588                 }
2589
2590                 // frags
2591                 host_client->frags = (int)PRVM_serveredictfloat(host_client->edict, frags);
2592                 if(IS_OLDNEXUIZ_DERIVED(gamemode))
2593                         if(!host_client->begun && host_client->netconnection)
2594                                 host_client->frags = -666;
2595                 if (host_client->old_frags != host_client->frags)
2596                 {
2597                         host_client->old_frags = host_client->frags;
2598                         // send notification to all clients
2599                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2600                         MSG_WriteByte (&sv.reliable_datagram, i);
2601                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2602                 }
2603         }
2604
2605         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2606                 if (client->netconnection && (client->begun || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2607                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2608
2609         SZ_Clear (&sv.reliable_datagram);
2610 }
2611
2612
2613 /*
2614 =======================
2615 SV_SendClientMessages
2616 =======================
2617 */
2618 void SV_SendClientMessages(void)
2619 {
2620         int i, prepared = false;
2621
2622         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2623                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2624
2625         SV_FlushBroadcastMessages();
2626
2627 // update frags, names, etc
2628         SV_UpdateToReliableMessages();
2629
2630 // build individual updates
2631         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2632         {
2633                 if (!host_client->active)
2634                         continue;
2635                 if (!host_client->netconnection)
2636                         continue;
2637
2638                 if (host_client->netconnection->message.overflowed)
2639                 {
2640                         SV_DropClient (true);   // if the message couldn't send, kick off
2641                         continue;
2642                 }
2643
2644                 if (!prepared)
2645                 {
2646                         prepared = true;
2647                         // only prepare entities once per frame
2648                         SV_PrepareEntitiesForSending();
2649                 }
2650                 SV_SendClientDatagram(host_client);
2651         }
2652
2653 // clear muzzle flashes
2654         SV_CleanupEnts();
2655 }
2656
2657 static void SV_StartDownload_f(cmd_state_t *cmd)
2658 {
2659         if (host_client->download_file)
2660                 host_client->download_started = true;
2661 }
2662
2663 /*
2664  * Compression extension negotiation:
2665  *
2666  * Server to client:
2667  *   cl_serverextension_download 2
2668  *
2669  * Client to server:
2670  *   download <filename> <list of zero or more suppported compressions in order of preference>
2671  * e.g.
2672  *   download maps/map1.bsp lzo deflate huffman
2673  *
2674  * Server to client:
2675  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2676  * e.g.
2677  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2678  *
2679  * The server may choose not to compress the file by sending no compression name, like:
2680  *   cl_downloadbegin 345678 maps/map1.bsp
2681  *
2682  * NOTE: the "download" command may only specify compression algorithms if
2683  *       cl_serverextension_download is 2!
2684  *       If cl_serverextension_download has a different value, the client must
2685  *       assume this extension is not supported!
2686  */
2687
2688 static void Download_CheckExtensions(cmd_state_t *cmd)
2689 {
2690         int i;
2691         int argc = Cmd_Argc(cmd);
2692
2693         // first reset them all
2694         host_client->download_deflate = false;
2695
2696         for(i = 2; i < argc; ++i)
2697         {
2698                 if(!strcmp(Cmd_Argv(cmd, i), "deflate"))
2699                 {
2700                         host_client->download_deflate = true;
2701                         break;
2702                 }
2703         }
2704 }
2705
2706 static void SV_Download_f(cmd_state_t *cmd)
2707 {
2708         const char *whichpack, *whichpack2, *extension;
2709         qboolean is_csqc; // so we need to check only once
2710
2711         if (Cmd_Argc(cmd) < 2)
2712         {
2713                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2714                 SV_ClientPrintf("       supported extensions: deflate\n");
2715                 return;
2716         }
2717
2718         if (FS_CheckNastyPath(Cmd_Argv(cmd, 1), false))
2719         {
2720                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(cmd, 1));
2721                 return;
2722         }
2723
2724         if (host_client->download_file)
2725         {
2726                 // at this point we'll assume the previous download should be aborted
2727                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2728                 Host_ClientCommands("\nstopdownload\n");
2729
2730                 // close the file and reset variables
2731                 FS_Close(host_client->download_file);
2732                 host_client->download_file = NULL;
2733                 host_client->download_name[0] = 0;
2734                 host_client->download_expectedposition = 0;
2735                 host_client->download_started = false;
2736         }
2737
2738         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(cmd, 1), sv.csqc_progname) == 0);
2739
2740         if (!sv_allowdownloads.integer && !is_csqc)
2741         {
2742                 SV_ClientPrintf("Downloads are disabled on this server\n");
2743                 Host_ClientCommands("\nstopdownload\n");
2744                 return;
2745         }
2746
2747         Download_CheckExtensions(cmd);
2748
2749         strlcpy(host_client->download_name, Cmd_Argv(cmd, 1), sizeof(host_client->download_name));
2750         extension = FS_FileExtension(host_client->download_name);
2751
2752         // host_client is asking to download a specified file
2753         if (developer_extra.integer)
2754                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2755
2756         if(is_csqc)
2757         {
2758                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2759                 extensions[0] = '\0';
2760
2761                 if(host_client->download_deflate)
2762                         strlcat(extensions, " deflate", sizeof(extensions));
2763
2764                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2765
2766                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2767                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2768                 else
2769                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2770
2771                 // no, no space is needed between %s and %s :P
2772                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2773
2774                 host_client->download_expectedposition = 0;
2775                 host_client->download_started = false;
2776                 host_client->sendsignon = true; // make sure this message is sent
2777                 return;
2778         }
2779
2780         if (!FS_FileExists(host_client->download_name))
2781         {
2782                 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);
2783                 Host_ClientCommands("\nstopdownload\n");
2784                 return;
2785         }
2786
2787         // check if the user is trying to download part of registered Quake(r)
2788         whichpack = FS_WhichPack(host_client->download_name);
2789         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2790         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2791         {
2792                 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);
2793                 Host_ClientCommands("\nstopdownload\n");
2794                 return;
2795         }
2796
2797         // check if the server has forbidden archive downloads entirely
2798         if (!sv_allowdownloads_inarchive.integer)
2799         {
2800                 whichpack = FS_WhichPack(host_client->download_name);
2801                 if (whichpack)
2802                 {
2803                         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);
2804                         Host_ClientCommands("\nstopdownload\n");
2805                         return;
2806                 }
2807         }
2808
2809         if (!sv_allowdownloads_config.integer)
2810         {
2811                 if (!strcasecmp(extension, "cfg"))
2812                 {
2813                         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);
2814                         Host_ClientCommands("\nstopdownload\n");
2815                         return;
2816                 }
2817         }
2818
2819         if (!sv_allowdownloads_dlcache.integer)
2820         {
2821                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2822                 {
2823                         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);
2824                         Host_ClientCommands("\nstopdownload\n");
2825                         return;
2826                 }
2827         }
2828
2829         if (!sv_allowdownloads_archive.integer)
2830         {
2831                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2832                 {
2833                         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);
2834                         Host_ClientCommands("\nstopdownload\n");
2835                         return;
2836                 }
2837         }
2838
2839         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2840         if (!host_client->download_file)
2841         {
2842                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2843                 Host_ClientCommands("\nstopdownload\n");
2844                 return;
2845         }
2846
2847         if (FS_FileSize(host_client->download_file) > 1<<30)
2848         {
2849                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2850                 Host_ClientCommands("\nstopdownload\n");
2851                 FS_Close(host_client->download_file);
2852                 host_client->download_file = NULL;
2853                 return;
2854         }
2855
2856         if (FS_FileSize(host_client->download_file) < 0)
2857         {
2858                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2859                 Host_ClientCommands("\nstopdownload\n");
2860                 FS_Close(host_client->download_file);
2861                 host_client->download_file = NULL;
2862                 return;
2863         }
2864
2865         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2866
2867         /*
2868          * we can only do this if we would actually deflate on the fly
2869          * which we do not (yet)!
2870         {
2871                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2872                 extensions[0] = '\0';
2873
2874                 if(host_client->download_deflate)
2875                         strlcat(extensions, " deflate", sizeof(extensions));
2876
2877                 // no, no space is needed between %s and %s :P
2878                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2879         }
2880         */
2881         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2882
2883         host_client->download_expectedposition = 0;
2884         host_client->download_started = false;
2885         host_client->sendsignon = true; // make sure this message is sent
2886
2887         // the rest of the download process is handled in SV_SendClientDatagram
2888         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2889         //
2890         // no svc_downloaddata messages will be sent until sv_startdownload is
2891         // sent by the client
2892 }
2893
2894 /*
2895 ==============================================================================
2896
2897 SERVER SPAWNING
2898
2899 ==============================================================================
2900 */
2901
2902 /*
2903 ================
2904 SV_ModelIndex
2905
2906 ================
2907 */
2908 int SV_ModelIndex(const char *s, int precachemode)
2909 {
2910         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);
2911         char filename[MAX_QPATH];
2912         if (!s || !*s)
2913                 return 0;
2914         // testing
2915         //if (precachemode == 2)
2916         //      return 0;
2917         strlcpy(filename, s, sizeof(filename));
2918         for (i = 2;i < limit;i++)
2919         {
2920                 if (!sv.model_precache[i][0])
2921                 {
2922                         if (precachemode)
2923                         {
2924                                 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))
2925                                 {
2926                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2927                                         return 0;
2928                                 }
2929                                 if (precachemode == 1)
2930                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2931                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2932                                 if (sv.state == ss_loading)
2933                                 {
2934                                         // running from SV_SpawnServer which is launched from the client console command interpreter
2935                                         sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2936                                 }
2937                                 else
2938                                 {
2939                                         if (svs.threaded)
2940                                         {
2941                                                 // 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
2942                                                 sv.models[i] = Mod_FindName (sv.model_precache[i], s[0] == '*' ? sv.worldname : NULL);
2943                                         }
2944                                         else
2945                                         {
2946                                                 // running single threaded, so we can load the model here
2947                                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2948                                         }
2949                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2950                                         MSG_WriteShort(&sv.reliable_datagram, i);
2951                                         MSG_WriteString(&sv.reliable_datagram, filename);
2952                                 }
2953                                 return i;
2954                         }
2955                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2956                         return 0;
2957                 }
2958                 if (!strcmp(sv.model_precache[i], filename))
2959                         return i;
2960         }
2961         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2962         return 0;
2963 }
2964
2965 /*
2966 ================
2967 SV_SoundIndex
2968
2969 ================
2970 */
2971 int SV_SoundIndex(const char *s, int precachemode)
2972 {
2973         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);
2974         char filename[MAX_QPATH];
2975         if (!s || !*s)
2976                 return 0;
2977         // testing
2978         //if (precachemode == 2)
2979         //      return 0;
2980         strlcpy(filename, s, sizeof(filename));
2981         for (i = 1;i < limit;i++)
2982         {
2983                 if (!sv.sound_precache[i][0])
2984                 {
2985                         if (precachemode)
2986                         {
2987                                 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))
2988                                 {
2989                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2990                                         return 0;
2991                                 }
2992                                 if (precachemode == 1)
2993                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2994                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2995                                 if (sv.state != ss_loading)
2996                                 {
2997                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2998                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2999                                         MSG_WriteString(&sv.reliable_datagram, filename);
3000                                 }
3001                                 return i;
3002                         }
3003                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
3004                         return 0;
3005                 }
3006                 if (!strcmp(sv.sound_precache[i], filename))
3007                         return i;
3008         }
3009         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
3010         return 0;
3011 }
3012
3013 /*
3014 ================
3015 SV_ParticleEffectIndex
3016
3017 ================
3018 */
3019 int SV_ParticleEffectIndex(const char *name)
3020 {
3021         int i, argc, linenumber, effectnameindex;
3022         int filepass;
3023         fs_offset_t filesize;
3024         unsigned char *filedata;
3025         const char *text;
3026         const char *textstart;
3027         //const char *textend;
3028         char argv[16][1024];
3029         char filename[MAX_QPATH];
3030         if (!sv.particleeffectnamesloaded)
3031         {
3032                 sv.particleeffectnamesloaded = true;
3033                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
3034                 for (i = 0;i < EFFECT_TOTAL;i++)
3035                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
3036                 for (filepass = 0;;filepass++)
3037                 {
3038                         if (filepass == 0)
3039                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
3040                         else if (filepass == 1)
3041                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
3042                         else
3043                                 break;
3044                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
3045                         if (!filedata)
3046                                 continue;
3047                         textstart = (const char *)filedata;
3048                         //textend = (const char *)filedata + filesize;
3049                         text = textstart;
3050                         for (linenumber = 1;;linenumber++)
3051                         {
3052                                 argc = 0;
3053                                 for (;;)
3054                                 {
3055                                         if (!COM_ParseToken_Simple(&text, true, false, true) || !strcmp(com_token, "\n"))
3056                                                 break;
3057                                         if (argc < 16)
3058                                         {
3059                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
3060                                                 argc++;
3061                                         }
3062                                 }
3063                                 if (com_token[0] == 0)
3064                                         break; // if the loop exited and it's not a \n, it's EOF
3065                                 if (argc < 1)
3066                                         continue;
3067                                 if (!strcmp(argv[0], "effect"))
3068                                 {
3069                                         if (argc == 2)
3070                                         {
3071                                                 for (effectnameindex = 1;effectnameindex < MAX_PARTICLEEFFECTNAME;effectnameindex++)
3072                                                 {
3073                                                         if (sv.particleeffectname[effectnameindex][0])
3074                                                         {
3075                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
3076                                                                         break;
3077                                                         }
3078                                                         else
3079                                                         {
3080                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
3081                                                                 break;
3082                                                         }
3083                                                 }
3084                                                 // if we run out of names, abort
3085                                                 if (effectnameindex == MAX_PARTICLEEFFECTNAME)
3086                                                 {
3087                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
3088                                                         break;
3089                                                 }
3090                                         }
3091                                 }
3092                         }
3093                         Mem_Free(filedata);
3094                 }
3095         }
3096         // search for the name
3097         for (effectnameindex = 1;effectnameindex < MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
3098                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
3099                         return effectnameindex;
3100         // return 0 if we couldn't find it
3101         return 0;
3102 }
3103
3104 dp_model_t *SV_GetModelByIndex(int modelindex)
3105 {
3106         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3107 }
3108
3109 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
3110 {
3111         prvm_prog_t *prog = SVVM_prog;
3112         int modelindex;
3113         if (!ed || ed->priv.server->free)
3114                 return NULL;
3115         modelindex = (int)PRVM_serveredictfloat(ed, modelindex);
3116         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3117 }
3118
3119 /*
3120 ================
3121 SV_CreateBaseline
3122
3123 ================
3124 */
3125 static void SV_CreateBaseline (void)
3126 {
3127         prvm_prog_t *prog = SVVM_prog;
3128         int i, entnum, large;
3129         prvm_edict_t *svent;
3130
3131         // LadyHavoc: clear *all* baselines (not just active ones)
3132         for (entnum = 0;entnum < prog->max_edicts;entnum++)
3133         {
3134                 // get the current server version
3135                 svent = PRVM_EDICT_NUM(entnum);
3136
3137                 // LadyHavoc: always clear state values, whether the entity is in use or not
3138                 svent->priv.server->baseline = defaultstate;
3139
3140                 if (svent->priv.server->free)
3141                         continue;
3142                 if (entnum > svs.maxclients && !PRVM_serveredictfloat(svent, modelindex))
3143                         continue;
3144
3145                 // create entity baseline
3146                 VectorCopy (PRVM_serveredictvector(svent, origin), svent->priv.server->baseline.origin);
3147                 VectorCopy (PRVM_serveredictvector(svent, angles), svent->priv.server->baseline.angles);
3148                 svent->priv.server->baseline.frame = (int)PRVM_serveredictfloat(svent, frame);
3149                 svent->priv.server->baseline.skin = (int)PRVM_serveredictfloat(svent, skin);
3150                 if (entnum > 0 && entnum <= svs.maxclients)
3151                 {
3152                         svent->priv.server->baseline.colormap = entnum;
3153                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
3154                 }
3155                 else
3156                 {
3157                         svent->priv.server->baseline.colormap = 0;
3158                         svent->priv.server->baseline.modelindex = (int)PRVM_serveredictfloat(svent, modelindex);
3159                 }
3160
3161                 large = false;
3162                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
3163                 {
3164                         large = true;
3165                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3166                                 large = false;
3167                 }
3168
3169                 // add to the message
3170                 if (large)
3171                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
3172                 else
3173                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
3174                 MSG_WriteShort (&sv.signon, entnum);
3175
3176                 if (large)
3177                 {
3178                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3179                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
3180                 }
3181                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3182                 {
3183                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3184                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3185                 }
3186                 else
3187                 {
3188                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
3189                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3190                 }
3191                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
3192                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
3193                 for (i=0 ; i<3 ; i++)
3194                 {
3195                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3196                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3197                 }
3198         }
3199 }
3200
3201 /*
3202 ================
3203 SV_Prepare_CSQC
3204
3205 Load csprogs.dat and comperss it so it doesn't need to be
3206 reloaded on request.
3207 ================
3208 */
3209 static void SV_Prepare_CSQC(void)
3210 {
3211         fs_offset_t progsize;
3212
3213         if(svs.csqc_progdata)
3214         {
3215                 Con_DPrintf("Unloading old CSQC data.\n");
3216                 Mem_Free(svs.csqc_progdata);
3217                 if(svs.csqc_progdata_deflated)
3218                         Mem_Free(svs.csqc_progdata_deflated);
3219         }
3220
3221         svs.csqc_progdata = NULL;
3222         svs.csqc_progdata_deflated = NULL;
3223
3224         sv.csqc_progname[0] = 0;
3225         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3226
3227         if(progsize > 0)
3228         {
3229                 size_t deflated_size;
3230
3231                 sv.csqc_progsize = (int)progsize;
3232                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3233                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3234                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3235
3236                 Con_DPrint("Compressing csprogs.dat\n");
3237                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3238                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3239                 svs.csqc_progsize_deflated = (int)deflated_size;
3240                 if(svs.csqc_progdata_deflated)
3241                 {
3242                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3243                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3244                 }
3245                 else
3246                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3247         }
3248 }
3249
3250 /*
3251 ================
3252 SV_SaveSpawnparms
3253
3254 Grabs the current state of each client for saving across the
3255 transition to another level
3256 ================
3257 */
3258 void SV_SaveSpawnparms (void)
3259 {
3260         prvm_prog_t *prog = SVVM_prog;
3261         int             i, j;
3262
3263         svs.serverflags = (int)PRVM_serverglobalfloat(serverflags);
3264
3265         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3266         {
3267                 if (!host_client->active)
3268                         continue;
3269
3270         // call the progs to get default spawn parms for the new client
3271                 PRVM_serverglobalfloat(time) = sv.time;
3272                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3273                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetChangeParms), "QC function SetChangeParms is missing");
3274                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3275                         host_client->spawn_parms[j] = (&PRVM_serverglobalfloat(parm1))[j];
3276         }
3277 }
3278
3279 /*
3280 ================
3281 SV_SpawnServer
3282
3283 This is called at the start of each level
3284 ================
3285 */
3286
3287 void SV_SpawnServer (const char *server)
3288 {
3289         prvm_prog_t *prog = SVVM_prog;
3290         prvm_edict_t *ent;
3291         int i;
3292         char *entities;
3293         dp_model_t *worldmodel;
3294         char modelname[sizeof(sv.worldname)];
3295         char vabuf[1024];
3296
3297         Con_DPrintf("SpawnServer: %s\n", server);
3298
3299         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3300
3301         if (!FS_FileExists(modelname))
3302         {
3303                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3304                 if (!FS_FileExists(modelname))
3305                 {
3306                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3307                         return;
3308                 }
3309         }
3310
3311 //      SV_LockThreadMutex();
3312
3313         if(cls.state == ca_dedicated)
3314                 Sys_MakeProcessNice();
3315
3316         if (cls.state != ca_dedicated)
3317         {
3318                 SCR_BeginLoadingPlaque(false);
3319                 S_StopAllSounds();
3320         }
3321
3322         if(sv.active)
3323         {
3324                 World_End(&sv.world);
3325                 if(PRVM_serverfunction(SV_Shutdown))
3326                 {
3327                         func_t s = PRVM_serverfunction(SV_Shutdown);
3328                         PRVM_serverglobalfloat(time) = sv.time;
3329                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3330                         prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
3331                 }
3332         }
3333
3334         // free q3 shaders so that any newly downloaded shaders will be active
3335         Mod_FreeQ3Shaders();
3336
3337         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3338         if (!worldmodel || !worldmodel->TraceBox)
3339         {
3340                 Con_Printf("Couldn't load map %s\n", modelname);
3341
3342                 if(cls.state == ca_dedicated)
3343                         Sys_MakeProcessMean();
3344
3345 //              SV_UnlockThreadMutex();
3346
3347                 return;
3348         }
3349
3350         Collision_Cache_Reset(true);
3351
3352         // let's not have any servers with no name
3353         if (hostname.string[0] == 0)
3354                 Cvar_SetQuick(&hostname, "UNNAMED");
3355         scr_centertime_off = 0;
3356
3357         svs.changelevel_issued = false;         // now safe to issue another
3358
3359         // make the map a required file for clients
3360         Curl_ClearRequirements();
3361         Curl_RequireFile(modelname);
3362
3363 //
3364 // tell all connected clients that we are going to a new level
3365 //
3366         if (sv.active)
3367         {
3368                 client_t *client;
3369                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3370                 {
3371                         if (client->netconnection)
3372                         {
3373                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3374                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3375                         }
3376                 }
3377         }
3378         else
3379         {
3380                 // open server port
3381                 NetConn_OpenServerPorts(true);
3382         }
3383
3384 //
3385 // make cvars consistant
3386 //
3387         if (coop.integer)
3388                 Cvar_SetValueQuick(&deathmatch, 0);
3389         // LadyHavoc: it can be useful to have skills outside the range 0-3...
3390         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3391         //Cvar_SetValue ("skill", (float)current_skill);
3392         current_skill = (int)(skill.value + 0.5);
3393
3394 //
3395 // set up the new server
3396 //
3397         memset (&sv, 0, sizeof(sv));
3398         // if running a local client, make sure it doesn't try to access the last
3399         // level's data which is no longer valiud
3400         cls.signon = 0;
3401
3402         Cvar_SetValueQuick(&halflifebsp, worldmodel->brush.ishlbsp);
3403         Cvar_SetValueQuick(&sv_mapformat_is_quake2, worldmodel->brush.isq2bsp);
3404         Cvar_SetValueQuick(&sv_mapformat_is_quake3, worldmodel->brush.isq3bsp);
3405
3406         if(*sv_random_seed.string)
3407         {
3408                 srand(sv_random_seed.integer);
3409                 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);
3410         }
3411
3412         SV_VM_Setup();
3413
3414         sv.active = true;
3415
3416         // set level base name variables for later use
3417         strlcpy (sv.name, server, sizeof (sv.name));
3418         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3419         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3420         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3421         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3422         Cvar_SetQuick(&sv_worldname, sv.worldname);
3423         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3424         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3425
3426         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3427         if (sv.protocol == PROTOCOL_UNKNOWN)
3428         {
3429                 char buffer[1024];
3430                 Protocol_Names(buffer, sizeof(buffer));
3431                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3432                 sv.protocol = PROTOCOL_QUAKE;
3433         }
3434
3435 // load progs to get entity field count
3436         //PR_LoadProgs ( sv_progs.string );
3437
3438         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3439         sv.datagram.cursize = 0;
3440         sv.datagram.data = sv.datagram_buf;
3441
3442         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3443         sv.reliable_datagram.cursize = 0;
3444         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3445
3446         sv.signon.maxsize = sizeof(sv.signon_buf);
3447         sv.signon.cursize = 0;
3448         sv.signon.data = sv.signon_buf;
3449
3450 // leave slots at start for clients only
3451         //prog->num_edicts = svs.maxclients+1;
3452
3453         sv.state = ss_loading;
3454         prog->allowworldwrites = true;
3455         sv.paused = false;
3456
3457         sv.time = 1.0;
3458
3459         Mod_ClearUsed();
3460         worldmodel->used = true;
3461
3462         sv.worldmodel = worldmodel;
3463         sv.models[1] = sv.worldmodel;
3464
3465 //
3466 // clear world interaction links
3467 //
3468         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs, prog);
3469         World_Start(&sv.world);
3470
3471         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3472
3473         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3474         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3475         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3476         {
3477                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3478                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3479         }
3480         if(i < sv.worldmodel->brush.numsubmodels)
3481                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3482
3483 //
3484 // load the rest of the entities
3485 //
3486         // AK possible hack since num_edicts is still 0
3487         ent = PRVM_EDICT_NUM(0);
3488         memset (ent->fields.fp, 0, prog->entityfields * sizeof(prvm_vec_t));
3489         ent->priv.server->free = false;
3490         PRVM_serveredictstring(ent, model) = PRVM_SetEngineString(prog, sv.worldname);
3491         PRVM_serveredictfloat(ent, modelindex) = 1;             // world model
3492         PRVM_serveredictfloat(ent, solid) = SOLID_BSP;
3493         PRVM_serveredictfloat(ent, movetype) = MOVETYPE_PUSH;
3494         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, mins));
3495         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, maxs));
3496         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, absmin));
3497         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, absmax));
3498
3499         if (coop.value)
3500                 PRVM_serverglobalfloat(coop) = coop.integer;
3501         else
3502                 PRVM_serverglobalfloat(deathmatch) = deathmatch.integer;
3503
3504         PRVM_serverglobalstring(mapname) = PRVM_SetEngineString(prog, sv.name);
3505
3506 // serverflags are for cross level information (sigils)
3507         PRVM_serverglobalfloat(serverflags) = svs.serverflags;
3508
3509         // we need to reset the spawned flag on all connected clients here so that
3510         // their thinks don't run during startup (before PutClientInServer)
3511         // we also need to set up the client entities now
3512         // and we need to set the ->edict pointers to point into the progs edicts
3513         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3514         {
3515                 host_client->begun = false;
3516                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3517                 PRVM_ED_ClearEdict(prog, host_client->edict);
3518         }
3519
3520         // load replacement entity file if found
3521         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3522         {
3523                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3524                 PRVM_ED_LoadFromFile(prog, entities);
3525                 Mem_Free(entities);
3526         }
3527         else
3528                 PRVM_ED_LoadFromFile(prog, sv.worldmodel->brush.entities);
3529
3530
3531         // LadyHavoc: clear world angles (to fix e3m3.bsp)
3532         VectorClear(PRVM_serveredictvector(prog->edicts, angles));
3533
3534 // all setup is completed, any further precache statements are errors
3535 //      sv.state = ss_active; // LadyHavoc: workaround for svc_precache bug
3536         prog->allowworldwrites = false;
3537
3538 // run two frames to allow everything to settle
3539         sv.time = 1.0001;
3540         for (i = 0;i < sv_init_frame_count.integer;i++)
3541         {
3542                 sv.frametime = 0.1;
3543                 SV_Physics ();
3544         }
3545
3546         // Once all init frames have been run, we consider svqc code fully initialized.
3547         prog->inittime = realtime;
3548
3549         if (cls.state == ca_dedicated)
3550                 Mod_PurgeUnused();
3551
3552 // create a baseline for more efficient communications
3553         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)
3554                 SV_CreateBaseline ();
3555
3556         sv.state = ss_active; // LadyHavoc: workaround for svc_precache bug
3557
3558 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3559         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3560         {
3561                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3562                 if (!host_client->active)
3563                         continue;
3564                 if (host_client->netconnection)
3565                         SV_SendServerinfo(host_client);
3566                 else
3567                 {
3568                         int j;
3569                         // if client is a botclient coming from a level change, we need to
3570                         // set up client info that normally requires networking
3571
3572                         // copy spawn parms out of the client_t
3573                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3574                                 (&PRVM_serverglobalfloat(parm1))[j] = host_client->spawn_parms[j];
3575
3576                         // call the spawn function
3577                         host_client->clientconnectcalled = true;
3578                         PRVM_serverglobalfloat(time) = sv.time;
3579                         PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3580                         prog->ExecuteProgram(prog, PRVM_serverfunction(ClientConnect), "QC function ClientConnect is missing");
3581                         prog->ExecuteProgram(prog, PRVM_serverfunction(PutClientInServer), "QC function PutClientInServer is missing");
3582                         host_client->begun = true;
3583                 }
3584         }
3585
3586         // update the map title cvar
3587         strlcpy(sv.worldmessage, PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)), sizeof(sv.worldmessage)); // map title (not related to filename)
3588         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3589
3590         Con_DPrint("Server spawned.\n");
3591         NetConn_Heartbeat (2);
3592
3593         if(cls.state == ca_dedicated)
3594                 Sys_MakeProcessMean();
3595
3596 //      SV_UnlockThreadMutex();
3597 }
3598
3599 /////////////////////////////////////////////////////
3600 // SV VM stuff
3601
3602 static void SVVM_begin_increase_edicts(prvm_prog_t *prog)
3603 {
3604         // links don't survive the transition, so unlink everything
3605         World_UnlinkAll(&sv.world);
3606 }
3607
3608 static void SVVM_end_increase_edicts(prvm_prog_t *prog)
3609 {
3610         int i;
3611         prvm_edict_t *ent;
3612
3613         // link every entity except world
3614         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3615                 if (!ent->priv.server->free && !VectorCompare(PRVM_serveredictvector(ent, absmin), PRVM_serveredictvector(ent, absmax)))
3616                         SV_LinkEdict(ent);
3617 }
3618
3619 static void SVVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
3620 {
3621         // LadyHavoc: for consistency set these here
3622         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3623
3624         e->priv.server->move = false; // don't move on first frame
3625
3626         if (num >= 0 && num < svs.maxclients)
3627         {
3628                 // set colormap and team on newly created player entity
3629                 PRVM_serveredictfloat(e, colormap) = num + 1;
3630                 PRVM_serveredictfloat(e, team) = (svs.clients[num].colors & 15) + 1;
3631                 // set netname/clientcolors back to client values so that
3632                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3633                 // reset them
3634                 PRVM_serveredictstring(e, netname) = PRVM_SetEngineString(prog, svs.clients[num].name);
3635                 PRVM_serveredictfloat(e, clientcolors) = svs.clients[num].colors;
3636                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3637                 PRVM_serveredictstring(e, playermodel) = PRVM_SetEngineString(prog, svs.clients[num].playermodel);
3638                 PRVM_serveredictstring(e, playerskin) = PRVM_SetEngineString(prog, svs.clients[num].playerskin);
3639                 // Assign netaddress (IP Address, etc)
3640                 if(svs.clients[num].netconnection != NULL)
3641                 {
3642                         // Acquire Readable Address
3643                         LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3644                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, svs.clients[num].netaddress);
3645                 }
3646                 else
3647                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, "null/botclient");
3648                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
3649                         PRVM_serveredictstring(e, crypto_idfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_idfp);
3650                 else
3651                         PRVM_serveredictstring(e, crypto_idfp) = 0;
3652                 PRVM_serveredictfloat(e, crypto_idfp_signed) = (svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_issigned);
3653                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
3654                         PRVM_serveredictstring(e, crypto_keyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_keyfp);
3655                 else
3656                         PRVM_serveredictstring(e, crypto_keyfp) = 0;
3657                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
3658                         PRVM_serveredictstring(e, crypto_mykeyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.server_keyfp);
3659                 else
3660                         PRVM_serveredictstring(e, crypto_mykeyfp) = 0;
3661                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
3662                         PRVM_serveredictstring(e, crypto_encryptmethod) = PRVM_SetEngineString(prog, "AES128");
3663                 else
3664                         PRVM_serveredictstring(e, crypto_encryptmethod) = 0;
3665                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
3666                         PRVM_serveredictstring(e, crypto_signmethod) = PRVM_SetEngineString(prog, "HMAC-SHA256");
3667                 else
3668                         PRVM_serveredictstring(e, crypto_signmethod) = 0;
3669         }
3670 }
3671
3672 static void SVVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
3673 {
3674         int i;
3675         int e;
3676
3677         World_UnlinkEdict(ed);          // unlink from world bsp
3678
3679         PRVM_serveredictstring(ed, model) = 0;
3680         PRVM_serveredictfloat(ed, takedamage) = 0;
3681         PRVM_serveredictfloat(ed, modelindex) = 0;
3682         PRVM_serveredictfloat(ed, colormap) = 0;
3683         PRVM_serveredictfloat(ed, skin) = 0;
3684         PRVM_serveredictfloat(ed, frame) = 0;
3685         VectorClear(PRVM_serveredictvector(ed, origin));
3686         VectorClear(PRVM_serveredictvector(ed, angles));
3687         PRVM_serveredictfloat(ed, nextthink) = -1;
3688         PRVM_serveredictfloat(ed, solid) = 0;
3689
3690         VM_RemoveEdictSkeleton(prog, ed);
3691         World_Physics_RemoveFromEntity(&sv.world, ed);
3692         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3693
3694         // make sure csqc networking is aware of the removed entity
3695         e = PRVM_NUM_FOR_EDICT(ed);
3696         sv.csqcentityversion[e] = 0;
3697         for (i = 0;i < svs.maxclients;i++)
3698                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3699 }
3700
3701 static void SVVM_count_edicts(prvm_prog_t *prog)
3702 {
3703         int             i;
3704         prvm_edict_t    *ent;
3705         int             active, models, solid, step;
3706
3707         active = models = solid = step = 0;
3708         for (i=0 ; i<prog->num_edicts ; i++)
3709         {
3710                 ent = PRVM_EDICT_NUM(i);
3711                 if (ent->priv.server->free)
3712                         continue;
3713                 active++;
3714                 if (PRVM_serveredictfloat(ent, solid))
3715                         solid++;
3716                 if (PRVM_serveredictstring(ent, model))
3717                         models++;
3718                 if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
3719                         step++;
3720         }
3721
3722         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3723         Con_Printf("active    :%3i\n", active);
3724         Con_Printf("view      :%3i\n", models);
3725         Con_Printf("touch     :%3i\n", solid);
3726         Con_Printf("step      :%3i\n", step);
3727 }
3728
3729 static qboolean SVVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
3730 {
3731         // remove things from different skill levels or deathmatch
3732         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3733         {
3734                 if (deathmatch.integer)
3735                 {
3736                         if (((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_DEATHMATCH))
3737                         {
3738                                 return false;
3739                         }
3740                 }
3741                 else if ((current_skill <= 0 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_EASY  ))
3742                         || (current_skill == 1 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_MEDIUM))
3743                         || (current_skill >= 2 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_HARD  )))
3744                 {
3745                         return false;
3746                 }
3747         }
3748         return true;
3749 }
3750
3751 static void SV_VM_Setup(void)
3752 {
3753         prvm_prog_t *prog = SVVM_prog;
3754         PRVM_Prog_Init(prog, &cmd_server);
3755
3756         // allocate the mempools
3757         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3758         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3759         prog->builtins = vm_sv_builtins;
3760         prog->numbuiltins = vm_sv_numbuiltins;
3761         prog->max_edicts = 512;
3762         if (sv.protocol == PROTOCOL_QUAKE)
3763                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3764         else if (sv.protocol == PROTOCOL_QUAKEDP)
3765                 prog->limit_edicts = 2048; // guessing
3766         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3767                 prog->limit_edicts = 2048; // guessing!
3768         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3769                 prog->limit_edicts = 4096; // guessing!
3770         else
3771                 prog->limit_edicts = MAX_EDICTS;
3772         prog->reserved_edicts = svs.maxclients;
3773         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3774         prog->name = "server";
3775         prog->extensionstring = vm_sv_extensions;
3776         prog->loadintoworld = true;
3777
3778         // all callbacks must be defined (pointers are not checked before calling)
3779         prog->begin_increase_edicts = SVVM_begin_increase_edicts;
3780         prog->end_increase_edicts   = SVVM_end_increase_edicts;
3781         prog->init_edict            = SVVM_init_edict;
3782         prog->free_edict            = SVVM_free_edict;
3783         prog->count_edicts          = SVVM_count_edicts;
3784         prog->load_edict            = SVVM_load_edict;
3785         prog->init_cmd              = SVVM_init_cmd;
3786         prog->reset_cmd             = SVVM_reset_cmd;
3787         prog->error_cmd             = Host_Error;
3788         prog->ExecuteProgram        = SVVM_ExecuteProgram;
3789
3790         PRVM_Prog_Load(prog, sv_progs.string, NULL, 0, SV_REQFUNCS, sv_reqfuncs, SV_REQFIELDS, sv_reqfields, SV_REQGLOBALS, sv_reqglobals);
3791
3792         // some mods compiled with scrambling compilers lack certain critical
3793         // global names and field names such as "self" and "time" and "nextthink"
3794         // so we have to set these offsets manually, matching the entvars_t
3795         // but we only do this if the prog header crc matches, otherwise it's totally freeform
3796         if (prog->progs_crc == PROGHEADER_CRC || prog->progs_crc == PROGHEADER_CRC_TENEBRAE)
3797         {
3798                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, modelindex);
3799                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmin);
3800                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmax);
3801                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ltime);
3802                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movetype);
3803                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, solid);
3804                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, origin);
3805                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, oldorigin);
3806                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, velocity);
3807                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3808                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, avelocity);
3809                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, punchangle);
3810                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3811                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, model);
3812                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3813                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, skin);
3814                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, effects);
3815                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, mins);
3816                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, maxs);
3817                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, size);
3818                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, touch);
3819                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, use);
3820                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3821                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, blocked);
3822                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3823                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3824                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, health);
3825                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frags);
3826                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weapon);
3827                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponmodel);
3828                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponframe);
3829                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, currentammo);
3830                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_shells);
3831                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_nails);
3832                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_rockets);
3833                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_cells);
3834                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, items);
3835                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, takedamage);
3836                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3837                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, deadflag);
3838                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, view_ofs);
3839                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button0);
3840                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button1);
3841                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button2);
3842                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, impulse);
3843                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, fixangle);
3844                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, v_angle);
3845                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, idealpitch);
3846                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, netname);
3847                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, enemy);
3848                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, flags);
3849                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, colormap);
3850                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, team);
3851                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, max_health);
3852                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, teleport_time);
3853                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armortype);
3854                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armorvalue);
3855                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, waterlevel);
3856                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, watertype);
3857                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3858                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3859                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, aiment);
3860                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, goalentity);
3861                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, spawnflags);
3862                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, target);
3863                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, targetname);
3864                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_take);
3865                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_save);
3866                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_inflictor);
3867                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, owner);
3868                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movedir);
3869                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, message);
3870                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, sounds);
3871                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise);
3872                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise1);
3873                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise2);
3874                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise3);
3875                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3876                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, other);
3877                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, world);
3878                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3879                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, frametime);
3880                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, force_retouch);
3881                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, mapname);
3882                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, deathmatch);
3883                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, coop);
3884                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, teamplay);
3885                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, serverflags);
3886                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_secrets);
3887                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_monsters);
3888                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, found_secrets);
3889                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, killed_monsters);
3890                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm1);
3891                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm2);
3892                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm3);
3893                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm4);
3894                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm5);
3895                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm6);
3896                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm7);
3897                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm8);
3898                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm9);
3899                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm10);
3900                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm11);
3901                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm12);
3902                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm13);
3903                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm14);
3904                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm15);
3905                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm16);
3906                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3907                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3908                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3909                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3910                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3911                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3912                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3913                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3914                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3915                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3916                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3917                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3918                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, msg_entity);
3919 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, main);
3920 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, StartFrame);
3921 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPreThink);
3922 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPostThink);
3923 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientKill);
3924 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientConnect);
3925 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PutClientInServer);
3926 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientDisconnect);
3927 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetNewParms);
3928 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetChangeParms);
3929         }
3930         else
3931                 Con_DPrintf("%s: %s system vars have been modified (CRC %i != engine %i), will not load in other engines\n", prog->name, sv_progs.string, prog->progs_crc, PROGHEADER_CRC);
3932
3933         // OP_STATE is always supported on server because we add fields/globals for it
3934         prog->flag |= PRVM_OP_STATE;
3935
3936         VM_CustomStats_Clear();//[515]: csqc
3937
3938         SV_Prepare_CSQC();
3939 }
3940
3941 extern cvar_t host_maxwait;
3942 extern cvar_t host_framerate;
3943 static int SV_ThreadFunc(void *voiddata)
3944 {
3945         prvm_prog_t *prog = SVVM_prog;
3946         qboolean playing = false;
3947         double sv_timer = 0;
3948         double sv_deltarealtime, sv_oldrealtime, sv_realtime;
3949         double wait;
3950         int i;
3951         char vabuf[1024];
3952         sv_realtime = Sys_DirtyTime();
3953         while (!svs.threadstop)
3954         {
3955                 // FIXME: we need to handle Host_Error in the server thread somehow
3956 //              if (setjmp(sv_abortframe))
3957 //                      continue;                       // something bad happened in the server game
3958
3959                 sv_oldrealtime = sv_realtime;
3960                 sv_realtime = Sys_DirtyTime();
3961                 sv_deltarealtime = sv_realtime - sv_oldrealtime;
3962                 if (sv_deltarealtime < 0 || sv_deltarealtime >= 1800) sv_deltarealtime = 0;
3963
3964                 sv_timer += sv_deltarealtime;
3965
3966                 svs.perf_acc_realtime += sv_deltarealtime;
3967
3968                 // 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)
3969                 SV_LockThreadMutex();
3970
3971                 // Look for clients who have spawned
3972                 playing = false;
3973                 if (sv.active)
3974                         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3975                                 if(host_client->begun)
3976                                         if(host_client->netconnection)
3977                                                 playing = true;
3978                 if(sv.time < 10)
3979                 {
3980                         // don't accumulate time for the first 10 seconds of a match
3981                         // so things can settle
3982                         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;
3983                 }
3984                 else if(svs.perf_acc_realtime > 5)
3985                 {
3986                         svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
3987                         svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
3988                         if(svs.perf_acc_offset_samples > 0)
3989                         {
3990                                 svs.perf_offset_max = svs.perf_acc_offset_max;
3991                                 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
3992                                 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
3993                         }
3994                         if(svs.perf_lost > 0 && developer_extra.integer)
3995                                 if(playing)
3996                                         Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport(vabuf, sizeof(vabuf)));
3997                         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;
3998                 }
3999
4000                 // get new packets
4001                 if (sv.active)
4002                         NetConn_ServerFrame();
4003
4004                 // if the accumulators haven't become positive yet, wait a while
4005                 wait = sv_timer * -1000000.0;
4006                 if (wait >= 1)
4007                 {
4008                         double time0, delta;
4009                         SV_UnlockThreadMutex(); // don't keep mutex locked while sleeping
4010                         if (host_maxwait.value <= 0)
4011                                 wait = min(wait, 1000000.0);
4012                         else
4013                                 wait = min(wait, host_maxwait.value * 1000.0);
4014                         if(wait < 1)
4015                                 wait = 1; // because we cast to int
4016                         time0 = Sys_DirtyTime();
4017                         Sys_Sleep((int)wait);
4018                         delta = Sys_DirtyTime() - time0;if (delta < 0 || delta >= 1800) delta = 0;
4019                         svs.perf_acc_sleeptime += delta;
4020                         continue;
4021                 }
4022
4023                 if (sv.active && sv_timer > 0)
4024                 {
4025                         // execute one server frame
4026                         double advancetime;
4027                         float offset;
4028
4029                         if (sys_ticrate.value <= 0)
4030                                 advancetime = min(sv_timer, 0.1); // don't step more than 100ms
4031                         else
4032                                 advancetime = sys_ticrate.value;
4033
4034                         if(advancetime > 0)
4035                         {
4036                                 offset = sv_timer + (Sys_DirtyTime() - sv_realtime); // LadyHavoc: FIXME: I don't understand this line
4037                                 ++svs.perf_acc_offset_samples;
4038                                 svs.perf_acc_offset += offset;
4039                                 svs.perf_acc_offset_squared += offset * offset;
4040                                 if(svs.perf_acc_offset_max < offset)
4041                                         svs.perf_acc_offset_max = offset;
4042                         }
4043
4044                         // only advance time if not paused
4045                         // the game also pauses in singleplayer when menu or console is used
4046                         sv.frametime = advancetime * host_timescale.value;
4047                         if (host_framerate.value)
4048                                 sv.frametime = host_framerate.value;
4049                         if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
4050                                 sv.frametime = 0;
4051
4052                         sv_timer -= advancetime;
4053
4054                         // move things around and think unless paused
4055                         if (sv.frametime)
4056                                 SV_Physics();
4057
4058                         // send all messages to the clients
4059                         SV_SendClientMessages();
4060
4061                         if (sv.paused == 1 && sv_realtime > sv.pausedstart && sv.pausedstart > 0)
4062                         {
4063                                 PRVM_serverglobalfloat(time) = sv.time;
4064                                 prog->globals.fp[OFS_PARM0] = sv_realtime - sv.pausedstart;
4065                                 prog->ExecuteProgram(prog, PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
4066                         }
4067
4068                         // send an heartbeat if enough time has passed since the last one
4069                         NetConn_Heartbeat(0);
4070
4071                 }
4072
4073                 // we're back to safe code now
4074                 SV_UnlockThreadMutex();
4075
4076                 // if there is some time remaining from this frame, reset the timers
4077                 if (sv_timer >= 0)
4078                 {
4079                         svs.perf_acc_lost += sv_timer;
4080                         sv_timer = 0;
4081                 }
4082         }
4083         return 0;
4084 }
4085
4086 void SV_StartThread(void)
4087 {
4088         if (!sv_threaded.integer || !Thread_HasThreads())
4089                 return;
4090         svs.threaded = true;
4091         svs.threadstop = false;
4092         svs.threadmutex = Thread_CreateMutex();
4093         svs.thread = Thread_CreateThread(SV_ThreadFunc, NULL);
4094 }
4095
4096 void SV_StopThread(void)
4097 {
4098         if (!svs.threaded)
4099                 return;
4100         svs.threadstop = true;
4101         Thread_WaitThread(svs.thread, 0);
4102         Thread_DestroyMutex(svs.threadmutex);
4103         svs.threaded = false;
4104 }