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, "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 void SV_Init_Commands(void)
 434 {
 435         // init the csqc progs cvars, since they are updated/used by the server code
 436         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 437         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 438         extern cvar_t csqc_progcrc;
 439         extern cvar_t csqc_progsize;
 440         extern cvar_t csqc_usedemoprogs;
 441         Cvar_RegisterVariable(&sv_worldmessage);
 442         Cvar_RegisterVariable(&sv_worldname);
 443         Cvar_RegisterVariable(&sv_worldnamenoextension);
 444         Cvar_RegisterVariable(&sv_worldbasename);
 445
 446         Cvar_RegisterVariable (&csqc_progname);
 447         Cvar_RegisterVariable (&csqc_progcrc);
 448         Cvar_RegisterVariable (&csqc_progsize);
 449         Cvar_RegisterVariable (&csqc_usedemoprogs);
 450
 451         Cmd_AddCommand(CMD_SHARED, "sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 452         Cmd_AddCommand(CMD_SHARED, "sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 453         Cmd_AddCommand(CMD_CLIENT | CMD_SERVER_FROM_CLIENT, "sv_startdownload", SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 454         Cmd_AddCommand(CMD_CLIENT | CMD_SERVER_FROM_CLIENT, "download", SV_Download_f, "downloads a specified file from the server");
 455
 456         Cvar_RegisterVariable (&sv_disablenotify);
 457         Cvar_RegisterVariable (&coop);
 458         Cvar_RegisterVariable (&deathmatch);
 459         Cvar_RegisterVariable (&fraglimit);
 460         Cvar_RegisterVariable (&gamecfg);
 461         Cvar_RegisterVariable (&noexit);
 462         Cvar_RegisterVariable (&nomonsters);
 463         Cvar_RegisterVariable (&pausable);
 464         Cvar_RegisterVariable (&pr_checkextension);
 465         Cvar_RegisterVariable (&samelevel);
 466         Cvar_RegisterVariable (&skill);
 467         Cvar_RegisterVariable (&host_timescale);
 468         Cvar_RegisterCallback (&host_timescale, Host_Timescale_c);
 469         Cvar_RegisterAlias (&host_timescale, "slowmo");
 470         Cvar_RegisterAlias (&host_timescale, "timescale");
 471         Cvar_RegisterVariable (&sv_accelerate);
 472         Cvar_RegisterVariable (&sv_aim);
 473         Cvar_RegisterVariable (&sv_airaccel_qw);
 474         Cvar_RegisterVariable (&sv_airaccel_qw_stretchfactor);
 475         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 476         Cvar_RegisterVariable (&sv_airaccelerate);
 477         Cvar_RegisterVariable (&sv_airstopaccelerate);
 478         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 479         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 480         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
 481         Cvar_RegisterVariable (&sv_airspeedlimit_nonqw);
 482         Cvar_RegisterVariable (&sv_aircontrol);
 483         Cvar_RegisterVariable (&sv_aircontrol_power);
 484         Cvar_RegisterVariable (&sv_aircontrol_penalty);
 485         Cvar_RegisterVariable (&sv_allowdownloads);
 486         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 487         Cvar_RegisterVariable (&sv_allowdownloads_config);
 488         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 489         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 490         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 491         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 492         Cvar_RegisterVariable (&sv_clmovement_enable);
 493         Cvar_RegisterVariable (&sv_clmovement_minping);
 494         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 495         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 496         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 497         Cvar_RegisterVariable (&sv_cullentities_pvs);
 498         Cvar_RegisterVariable (&sv_cullentities_stats);
 499         Cvar_RegisterVariable (&sv_cullentities_trace);
 500         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 501         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 502         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 503         Cvar_RegisterVariable (&sv_cullentities_trace_expand);
 504         Cvar_RegisterVariable (&sv_cullentities_trace_eyejitter);
 505         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 506         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 507         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 508         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 509         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 510         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 511         Cvar_RegisterVariable (&sv_debugmove);
 512         Cvar_RegisterVariable (&sv_echobprint);
 513         Cvar_RegisterVariable (&sv_edgefriction);
 514         Cvar_RegisterVariable (&sv_entpatch);
 515         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 516         Cvar_RegisterVariable (&sv_freezenonclients);
 517         Cvar_RegisterVariable (&sv_friction);
 518         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 519         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
 520         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 521         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 522         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 523         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 524         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 525         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 526         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 527         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 528         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 529         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 530         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
 531         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_separation);
 532         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 533         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
 534         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 535         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 536         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 537         Cvar_RegisterVariable (&sv_gameplayfix_stepmultipletimes);
 538         Cvar_RegisterVariable (&sv_gameplayfix_nostepmoveonsteepslopes);
 539         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 540         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 541         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
 542         Cvar_RegisterVariable (&sv_gameplayfix_q1bsptracelinereportstexture);
 543         Cvar_RegisterVariable (&sv_gameplayfix_unstickplayers);
 544         Cvar_RegisterVariable (&sv_gameplayfix_unstickentities);
 545         Cvar_RegisterVariable (&sv_gameplayfix_fixedcheckwatertransition);
 546         Cvar_RegisterVariable (&sv_gameplayfix_customstats);
 547         Cvar_RegisterVariable (&sv_gravity);
 548         Cvar_RegisterVariable (&sv_init_frame_count);
 549         Cvar_RegisterVariable (&sv_idealpitchscale);
 550         Cvar_RegisterVariable (&sv_jumpstep);
 551         Cvar_RegisterVariable (&sv_jumpvelocity);
 552         Cvar_RegisterVariable (&sv_maxairspeed);
 553         Cvar_RegisterVariable (&sv_maxrate);
 554         Cvar_RegisterVariable (&sv_maxspeed);
 555         Cvar_RegisterVariable (&sv_maxvelocity);
 556         Cvar_RegisterVariable (&sv_nostep);
 557         Cvar_RegisterVariable (&sv_playerphysicsqc);
 558         Cvar_RegisterVariable (&sv_progs);
 559         Cvar_RegisterVariable (&sv_protocolname);
 560         Cvar_RegisterVariable (&sv_random_seed);
 561         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
 562         Cvar_RegisterVariable (&sv_sound_land);
 563         Cvar_RegisterVariable (&sv_sound_watersplash);
 564         Cvar_RegisterVariable (&sv_stepheight);
 565         Cvar_RegisterVariable (&sv_stopspeed);
 566         Cvar_RegisterVariable (&sv_wallfriction);
 567         Cvar_RegisterVariable (&sv_wateraccelerate);
 568         Cvar_RegisterVariable (&sv_waterfriction);
 569         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 570         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 571         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 572         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 573         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 574         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 575         Cvar_RegisterVariable (&sv_areadebug);
 576         Cvar_RegisterVariable (&sys_ticrate);
 577         Cvar_RegisterVariable (&teamplay);
 578         Cvar_RegisterVariable (&timelimit);
 579         Cvar_RegisterVariable (&sv_threaded);
 580
 581         Cvar_RegisterVariable (&saved1);
 582         Cvar_RegisterVariable (&saved2);
 583         Cvar_RegisterVariable (&saved3);
 584         Cvar_RegisterVariable (&saved4);
 585         Cvar_RegisterVariable (&savedgamecfg);
 586         Cvar_RegisterVariable (&scratch1);
 587         Cvar_RegisterVariable (&scratch2);
 588         Cvar_RegisterVariable (&scratch3);
 589         Cvar_RegisterVariable (&scratch4);
 590         Cvar_RegisterVariable (&temp1);
 591
 592         // LadyHavoc: Nehahra uses these to pass data around cutscene demos
 593         Cvar_RegisterVariable (&nehx00);
 594         Cvar_RegisterVariable (&nehx01);
 595         Cvar_RegisterVariable (&nehx02);
 596         Cvar_RegisterVariable (&nehx03);
 597         Cvar_RegisterVariable (&nehx04);
 598         Cvar_RegisterVariable (&nehx05);
 599         Cvar_RegisterVariable (&nehx06);
 600         Cvar_RegisterVariable (&nehx07);
 601         Cvar_RegisterVariable (&nehx08);
 602         Cvar_RegisterVariable (&nehx09);
 603         Cvar_RegisterVariable (&nehx10);
 604         Cvar_RegisterVariable (&nehx11);
 605         Cvar_RegisterVariable (&nehx12);
 606         Cvar_RegisterVariable (&nehx13);
 607         Cvar_RegisterVariable (&nehx14);
 608         Cvar_RegisterVariable (&nehx15);
 609         Cvar_RegisterVariable (&nehx16);
 610         Cvar_RegisterVariable (&nehx17);
 611         Cvar_RegisterVariable (&nehx18);
 612         Cvar_RegisterVariable (&nehx19);
 613         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 614
 615         Cvar_RegisterVariable (&sv_autodemo_perclient);
 616         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 617         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
 618
 619         Cvar_RegisterVariable (&halflifebsp);
 620         Cvar_RegisterVariable (&sv_mapformat_is_quake2);
 621         Cvar_RegisterVariable (&sv_mapformat_is_quake3);
 622 }
 623
 624 /*
 625 ===============
 626 SV_Init
 627 ===============
 628 */
 629 void SV_Init (void)
 630 {
 631         sv_mempool = Mem_AllocPool("server", 0, NULL);
 632 }
 633
 634 static void SV_SaveEntFile_f(cmd_state_t *cmd)
 635 {
 636         char vabuf[1024];
 637         if (!sv.active || !sv.worldmodel)
 638         {
 639                 Con_Print("Not running a server\n");
 640                 return;
 641         }
 642         FS_WriteFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 643 }
 644
 645
 646 /*
 647 =============================================================================
 648
 649 EVENT MESSAGES
 650
 651 =============================================================================
 652 */
 653
 654 /*
 655 ==================
 656 SV_StartParticle
 657
 658 Make sure the event gets sent to all clients
 659 ==================
 660 */
 661 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 662 {
 663         int i;
 664
 665         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 666                 return;
 667         MSG_WriteByte (&sv.datagram, svc_particle);
 668         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 669         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 670         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 671         for (i=0 ; i<3 ; i++)
 672                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 673         MSG_WriteByte (&sv.datagram, count);
 674         MSG_WriteByte (&sv.datagram, color);
 675         SV_FlushBroadcastMessages();
 676 }
 677
 678 /*
 679 ==================
 680 SV_StartEffect
 681
 682 Make sure the event gets sent to all clients
 683 ==================
 684 */
 685 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 686 {
 687         if (modelindex >= 256 || startframe >= 256)
 688         {
 689                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 690                         return;
 691                 MSG_WriteByte (&sv.datagram, svc_effect2);
 692                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 693                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 694                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 695                 MSG_WriteShort (&sv.datagram, modelindex);
 696                 MSG_WriteShort (&sv.datagram, startframe);
 697                 MSG_WriteByte (&sv.datagram, framecount);
 698                 MSG_WriteByte (&sv.datagram, framerate);
 699         }
 700         else
 701         {
 702                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 703                         return;
 704                 MSG_WriteByte (&sv.datagram, svc_effect);
 705                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 706                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 707                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 708                 MSG_WriteByte (&sv.datagram, modelindex);
 709                 MSG_WriteByte (&sv.datagram, startframe);
 710                 MSG_WriteByte (&sv.datagram, framecount);
 711                 MSG_WriteByte (&sv.datagram, framerate);
 712         }
 713         SV_FlushBroadcastMessages();
 714 }
 715
 716 /*
 717 ==================
 718 SV_StartSound
 719
 720 Each entity can have eight independant sound sources, like voice,
 721 weapon, feet, etc.
 722
 723 Channel 0 is an auto-allocate channel, the others override anything
 724 already running on that entity/channel pair.
 725
 726 An attenuation of 0 will play full volume everywhere in the level.
 727 Larger attenuations will drop off.  (max 4 attenuation)
 728
 729 ==================
 730 */
 731 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int nvolume, float attenuation, qboolean reliable, float speed)
 732 {
 733         prvm_prog_t *prog = SVVM_prog;
 734         sizebuf_t *dest;
 735         int sound_num, field_mask, i, ent, speed4000;
 736
 737         dest = (reliable ? &sv.reliable_datagram : &sv.datagram);
 738
 739         if (nvolume < 0 || nvolume > 255)
 740         {
 741                 Con_Printf ("SV_StartSound: volume = %i\n", nvolume);
 742                 return;
 743         }
 744
 745         if (attenuation < 0 || attenuation > 4)
 746         {
 747                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 748                 return;
 749         }
 750
 751         if (!IS_CHAN(channel))
 752         {
 753                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 754                 return;
 755         }
 756
 757         channel = CHAN_ENGINE2NET(channel);
 758
 759         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 760                 return;
 761
 762 // find precache number for sound
 763         sound_num = SV_SoundIndex(sample, 1);
 764         if (!sound_num)
 765                 return;
 766
 767         ent = PRVM_NUM_FOR_EDICT(entity);
 768
 769         speed4000 = (int)floor(speed * 4000.0f + 0.5f);
 770         field_mask = 0;
 771         if (nvolume != DEFAULT_SOUND_PACKET_VOLUME)
 772                 field_mask |= SND_VOLUME;
 773         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 774                 field_mask |= SND_ATTENUATION;
 775         if (speed4000 && speed4000 != 4000)
 776                 field_mask |= SND_SPEEDUSHORT4000;
 777         if (ent >= 8192 || channel < 0 || channel > 7)
 778                 field_mask |= SND_LARGEENTITY;
 779         if (sound_num >= 256)
 780                 field_mask |= SND_LARGESOUND;
 781
 782 // directed messages go only to the entity they are targeted on
 783         MSG_WriteByte (dest, svc_sound);
 784         MSG_WriteByte (dest, field_mask);
 785         if (field_mask & SND_VOLUME)
 786                 MSG_WriteByte (dest, nvolume);
 787         if (field_mask & SND_ATTENUATION)
 788                 MSG_WriteByte (dest, (int)(attenuation*64));
 789         if (field_mask & SND_SPEEDUSHORT4000)
 790                 MSG_WriteShort (dest, speed4000);
 791         if (field_mask & SND_LARGEENTITY)
 792         {
 793                 MSG_WriteShort (dest, ent);
 794                 MSG_WriteChar (dest, channel);
 795         }
 796         else
 797                 MSG_WriteShort (dest, (ent<<3) | channel);
 798         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 799                 MSG_WriteShort (dest, sound_num);
 800         else
 801                 MSG_WriteByte (dest, sound_num);
 802         for (i = 0;i < 3;i++)
 803                 MSG_WriteCoord (dest, PRVM_serveredictvector(entity, origin)[i]+0.5*(PRVM_serveredictvector(entity, mins)[i]+PRVM_serveredictvector(entity, maxs)[i]), sv.protocol);
 804
 805         // TODO do we have to do anything here when dest is &sv.reliable_datagram?
 806         if(!reliable)
 807                 SV_FlushBroadcastMessages();
 808 }
 809
 810 /*
 811 ==================
 812 SV_StartPointSound
 813
 814 Nearly the same logic as SV_StartSound, except an origin
 815 instead of an entity is provided and channel is omitted.
 816
 817 The entity sent to the client is 0 (world) and the channel
 818 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 819 function, therefore the check for it is omitted.
 820
 821 ==================
 822 */
 823 void SV_StartPointSound (vec3_t origin, const char *sample, int nvolume, float attenuation, float speed)
 824 {
 825         int sound_num, field_mask, i, speed4000;
 826
 827         if (nvolume < 0 || nvolume > 255)
 828         {
 829                 Con_Printf ("SV_StartPointSound: volume = %i\n", nvolume);
 830                 return;
 831         }
 832
 833         if (attenuation < 0 || attenuation > 4)
 834         {
 835                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 836                 return;
 837         }
 838
 839         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 840                 return;
 841
 842         // find precache number for sound
 843         sound_num = SV_SoundIndex(sample, 1);
 844         if (!sound_num)
 845                 return;
 846
 847         speed4000 = (int)(speed * 40.0f);
 848         field_mask = 0;
 849         if (nvolume != DEFAULT_SOUND_PACKET_VOLUME)
 850                 field_mask |= SND_VOLUME;
 851         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 852                 field_mask |= SND_ATTENUATION;
 853         if (sound_num >= 256)
 854                 field_mask |= SND_LARGESOUND;
 855         if (speed4000 && speed4000 != 4000)
 856                 field_mask |= SND_SPEEDUSHORT4000;
 857
 858 // directed messages go only to the entity they are targeted on
 859         MSG_WriteByte (&sv.datagram, svc_sound);
 860         MSG_WriteByte (&sv.datagram, field_mask);
 861         if (field_mask & SND_VOLUME)
 862                 MSG_WriteByte (&sv.datagram, nvolume);
 863         if (field_mask & SND_ATTENUATION)
 864                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 865         if (field_mask & SND_SPEEDUSHORT4000)
 866                 MSG_WriteShort (&sv.datagram, speed4000);
 867         // Always write entnum 0 for the world entity
 868         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 869         if (field_mask & SND_LARGESOUND)
 870                 MSG_WriteShort (&sv.datagram, sound_num);
 871         else
 872                 MSG_WriteByte (&sv.datagram, sound_num);
 873         for (i = 0;i < 3;i++)
 874                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 875         SV_FlushBroadcastMessages();
 876 }
 877
 878 /*
 879 ==============================================================================
 880
 881 CLIENT SPAWNING
 882
 883 ==============================================================================
 884 */
 885
 886 /*
 887 ================
 888 SV_SendServerinfo
 889
 890 Sends the first message from the server to a connected client.
 891 This will be sent on the initial connection and upon each server load.
 892 ================
 893 */
 894 void SV_SendServerinfo (client_t *client)
 895 {
 896         prvm_prog_t *prog = SVVM_prog;
 897         int i;
 898         char message[128];
 899         char vabuf[1024];
 900
 901         // we know that this client has a netconnection and thus is not a bot
 902
 903         // edicts get reallocated on level changes, so we need to update it here
 904         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 905
 906         // clear cached stuff that depends on the level
 907         client->weaponmodel[0] = 0;
 908         client->weaponmodelindex = 0;
 909
 910         // LadyHavoc: clear entityframe tracking
 911         client->latestframenum = 0;
 912
 913         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 914         client->cmd.time = sv.time;
 915
 916         if (client->entitydatabase)
 917                 EntityFrame_FreeDatabase(client->entitydatabase);
 918         if (client->entitydatabase4)
 919                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 920         if (client->entitydatabase5)
 921                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 922
 923         memset(client->stats, 0, sizeof(client->stats));
 924         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 925
 926         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)
 927         {
 928                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 929                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 930                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 931                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 932                 else
 933                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 934         }
 935
 936         // reset csqc entity versions
 937         for (i = 0;i < prog->max_edicts;i++)
 938         {
 939                 client->csqcentityscope[i] = 0;
 940                 client->csqcentitysendflags[i] = 0xFFFFFF;
 941         }
 942         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 943         {
 944                 client->csqcentityframehistory[i].num = 0;
 945                 client->csqcentityframehistory[i].framenum = -1;
 946         }
 947         client->csqcnumedicts = 0;
 948         client->csqcentityframehistory_next = 0;
 949
 950         SZ_Clear (&client->netconnection->message);
 951         MSG_WriteByte (&client->netconnection->message, svc_print);
 952         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
 953         MSG_WriteString (&client->netconnection->message,message);
 954
 955         SV_StopDemoRecording(client); // to split up demos into different files
 956         if(sv_autodemo_perclient.integer)
 957         {
 958                 char demofile[MAX_OSPATH];
 959                 char ipaddress[MAX_QPATH];
 960                 size_t j;
 961
 962                 // start a new demo file
 963                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 964                 for(j = 0; ipaddress[j]; ++j)
 965                         if(!isalnum(ipaddress[j]))
 966                                 ipaddress[j] = '-';
 967                 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);
 968
 969                 SV_StartDemoRecording(client, demofile, -1);
 970         }
 971
 972         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 973         if (sv.csqc_progname[0])
 974         {
 975                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 976                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 977                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progname %s\n", sv.csqc_progname));
 978                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 979                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progsize %i\n", sv.csqc_progsize));
 980                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 981                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progcrc %i\n", sv.csqc_progcrc));
 982
 983                 if(client->sv_demo_file != NULL)
 984                 {
 985                         int k;
 986                         static char buf[NET_MAXMESSAGE];
 987                         sizebuf_t sb;
 988
 989                         sb.data = (unsigned char *) buf;
 990                         sb.maxsize = sizeof(buf);
 991                         k = 0;
 992                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, k++, &sb, sv.protocol))
 993                                 SV_WriteDemoMessage(client, &sb, false);
 994                 }
 995
 996                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 997                 if (PRVM_GetString(prog, PRVM_serverglobalstring(SV_InitCmd)))
 998                 {
 999                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
1000                         MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "%s\n", PRVM_GetString(prog, PRVM_serverglobalstring(SV_InitCmd))));
1001                 }
1002         }
1003
1004         //if (sv_allowdownloads.integer)
1005         // always send the info that the server supports the protocol, even if downloads are forbidden
1006         // only because of that, the CSQC exception can work
1007         {
1008                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
1009                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
1010         }
1011
1012         // send at this time so it's guaranteed to get executed at the right time
1013         {
1014                 client_t *save;
1015                 save = host_client;
1016                 host_client = client;
1017                 Curl_SendRequirements();
1018                 host_client = save;
1019         }
1020
1021         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
1022         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
1023         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
1024
1025         if (!coop.integer && deathmatch.integer)
1026                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
1027         else
1028                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
1029
1030         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)));
1031
1032         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
1033                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
1034         MSG_WriteByte (&client->netconnection->message, 0);
1035
1036         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
1037                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
1038         MSG_WriteByte (&client->netconnection->message, 0);
1039
1040 // send music
1041         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
1042         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1043         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1044
1045 // set view
1046 // store this in clientcamera, too
1047         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
1048         MSG_WriteByte (&client->netconnection->message, svc_setview);
1049         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
1050
1051         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
1052         MSG_WriteByte (&client->netconnection->message, 1);
1053
1054         client->prespawned = false;             // need prespawn, spawn, etc
1055         client->spawned = false;                // need prespawn, spawn, etc
1056         client->begun = false;                  // need prespawn, spawn, etc
1057         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
1058
1059         // clear movement info until client enters the new level properly
1060         memset(&client->cmd, 0, sizeof(client->cmd));
1061         client->movesequence = 0;
1062         client->movement_highestsequence_seen = 0;
1063         memset(&client->movement_count, 0, sizeof(client->movement_count));
1064 #ifdef NUM_PING_TIMES
1065         for (i = 0;i < NUM_PING_TIMES;i++)
1066                 client->ping_times[i] = 0;
1067         client->num_pings = 0;
1068 #endif
1069         client->ping = 0;
1070
1071         // allow the client some time to send his keepalives, even if map loading took ages
1072         client->netconnection->timeout = host.realtime + net_connecttimeout.value;
1073 }
1074
1075 /*
1076 ================
1077 SV_ConnectClient
1078
1079 Initializes a client_t for a new net connection.  This will only be called
1080 once for a player each game, not once for each level change.
1081 ================
1082 */
1083 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
1084 {
1085         prvm_prog_t *prog = SVVM_prog;
1086         client_t                *client;
1087         int                             i;
1088
1089         client = svs.clients + clientnum;
1090
1091 // set up the client_t
1092         if (sv.loadgame)
1093         {
1094                 float backupparms[NUM_SPAWN_PARMS];
1095                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
1096                 memset(client, 0, sizeof(*client));
1097                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
1098         }
1099         else
1100                 memset(client, 0, sizeof(*client));
1101         client->active = true;
1102         client->netconnection = netconnection;
1103
1104         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
1105
1106         if(client->netconnection && client->netconnection->crypto.authenticated)
1107         {
1108                 Con_Printf("%s connection to %s has been established: client is %s@%s%.*s, I am %.*s@%s%.*s\n",
1109                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
1110                                 client->netconnection->address,
1111                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
1112                                 (client->netconnection->crypto.client_issigned || !client->netconnection->crypto.client_keyfp[0]) ? "" : "~",
1113                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1114                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1115                                 (client->netconnection->crypto.server_issigned || !client->netconnection->crypto.server_keyfp[0]) ? "" : "~",
1116                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1117                                 );
1118         }
1119
1120         strlcpy(client->name, "unconnected", sizeof(client->name));
1121         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1122         client->prespawned = false;
1123         client->spawned = false;
1124         client->begun = false;
1125         client->edict = PRVM_EDICT_NUM(clientnum+1);
1126         if (client->netconnection)
1127                 client->netconnection->message.allowoverflow = true;            // we can catch it
1128         // prepare the unreliable message buffer
1129         client->unreliablemsg.data = client->unreliablemsg_data;
1130         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1131         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1132         client->rate = 1000000000;
1133         client->connecttime = host.realtime;
1134
1135         if (!sv.loadgame)
1136         {
1137                 // call the progs to get default spawn parms for the new client
1138                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1139                 PRVM_serverglobalfloat(time) = sv.time;
1140                 PRVM_serverglobaledict(self) = 0;
1141                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetNewParms), "QC function SetNewParms is missing");
1142                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1143                         client->spawn_parms[i] = (&PRVM_serverglobalfloat(parm1))[i];
1144
1145                 // set up the entity for this client (including .colormap, .team, etc)
1146                 PRVM_ED_ClearEdict(prog, client->edict);
1147         }
1148
1149         // don't call SendServerinfo for a fresh botclient because its fields have
1150         // not been set up by the qc yet
1151         if (client->netconnection)
1152                 SV_SendServerinfo (client);
1153         else
1154                 client->prespawned = client->spawned = client->begun = true;
1155 }
1156
1157
1158 /*
1159 ===============================================================================
1160
1161 FRAME UPDATES
1162
1163 ===============================================================================
1164 */
1165
1166 /*
1167 =============================================================================
1168
1169 The PVS must include a small area around the client to allow head bobbing
1170 or other small motion on the client side.  Otherwise, a bob might cause an
1171 entity that should be visible to not show up, especially when the bob
1172 crosses a waterline.
1173
1174 =============================================================================
1175 */
1176
1177 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1178 {
1179         prvm_prog_t *prog = SVVM_prog;
1180         int i;
1181         unsigned int sendflags;
1182         unsigned int version;
1183         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1184         unsigned int customizeentityforclient;
1185         unsigned int sendentity;
1186         float f;
1187         prvm_vec_t *v;
1188         vec3_t cullmins, cullmaxs;
1189         dp_model_t *model;
1190
1191         // fast path for games that do not use legacy entity networking
1192         // note: still networks clients even if they are legacy
1193         sendentity = PRVM_serveredictfunction(ent, SendEntity);
1194         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1195                 return false;
1196
1197         // this 2 billion unit check is actually to detect NAN origins
1198         // (we really don't want to send those)
1199         if (!(VectorLength2(PRVM_serveredictvector(ent, origin)) < 2000000000.0*2000000000.0))
1200                 return false;
1201
1202         // EF_NODRAW prevents sending for any reason except for your own
1203         // client, so we must keep all clients in this superset
1204         effects = (unsigned)PRVM_serveredictfloat(ent, effects);
1205
1206         // we can omit invisible entities with no effects that are not clients
1207         // LadyHavoc: this could kill tags attached to an invisible entity, I
1208         // just hope we never have to support that case
1209         i = (int)PRVM_serveredictfloat(ent, modelindex);
1210         modelindex = (i >= 1 && i < MAX_MODELS && PRVM_serveredictstring(ent, model) && *PRVM_GetString(prog, PRVM_serveredictstring(ent, model)) && sv.models[i]) ? i : 0;
1211
1212         flags = 0;
1213         i = (int)(PRVM_serveredictfloat(ent, glow_size) * 0.25f);
1214         glowsize = (unsigned char)bound(0, i, 255);
1215         if (PRVM_serveredictfloat(ent, glow_trail))
1216                 flags |= RENDER_GLOWTRAIL;
1217         if (PRVM_serveredictedict(ent, viewmodelforclient))
1218                 flags |= RENDER_VIEWMODEL;
1219
1220         v = PRVM_serveredictvector(ent, color);
1221         f = v[0]*256;
1222         light[0] = (unsigned short)bound(0, f, 65535);
1223         f = v[1]*256;
1224         light[1] = (unsigned short)bound(0, f, 65535);
1225         f = v[2]*256;
1226         light[2] = (unsigned short)bound(0, f, 65535);
1227         f = PRVM_serveredictfloat(ent, light_lev);
1228         light[3] = (unsigned short)bound(0, f, 65535);
1229         lightstyle = (unsigned char)PRVM_serveredictfloat(ent, style);
1230         lightpflags = (unsigned char)PRVM_serveredictfloat(ent, pflags);
1231
1232         if (gamemode == GAME_TENEBRAE)
1233         {
1234                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1235                 if (effects & 16)
1236                 {
1237                         effects &= ~16;
1238                         lightpflags |= PFLAGS_FULLDYNAMIC;
1239                 }
1240                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1241                 if (effects & 32)
1242                 {
1243                         effects &= ~32;
1244                         light[0] = (int)(0.2*256);
1245                         light[1] = (int)(1.0*256);
1246                         light[2] = (int)(0.2*256);
1247                         light[3] = 200;
1248                         lightpflags |= PFLAGS_FULLDYNAMIC;
1249                 }
1250         }
1251
1252         specialvisibilityradius = 0;
1253         if (lightpflags & PFLAGS_FULLDYNAMIC)
1254                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1255         if (glowsize)
1256                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1257         if (flags & RENDER_GLOWTRAIL)
1258                 specialvisibilityradius = max(specialvisibilityradius, 100);
1259         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1260         {
1261                 if (effects & EF_BRIGHTFIELD)
1262                         specialvisibilityradius = max(specialvisibilityradius, 80);
1263                 if (effects & EF_MUZZLEFLASH)
1264                         specialvisibilityradius = max(specialvisibilityradius, 100);
1265                 if (effects & EF_BRIGHTLIGHT)
1266                         specialvisibilityradius = max(specialvisibilityradius, 400);
1267                 if (effects & EF_DIMLIGHT)
1268                         specialvisibilityradius = max(specialvisibilityradius, 200);
1269                 if (effects & EF_RED)
1270                         specialvisibilityradius = max(specialvisibilityradius, 200);
1271                 if (effects & EF_BLUE)
1272                         specialvisibilityradius = max(specialvisibilityradius, 200);
1273                 if (effects & EF_FLAME)
1274                         specialvisibilityradius = max(specialvisibilityradius, 250);
1275                 if (effects & EF_STARDUST)
1276                         specialvisibilityradius = max(specialvisibilityradius, 100);
1277         }
1278
1279         // early culling checks
1280         // (final culling is done by SV_MarkWriteEntityStateToClient)
1281         customizeentityforclient = PRVM_serveredictfunction(ent, customizeentityforclient);
1282         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1283                 return false;
1284
1285         *cs = defaultstate;
1286         cs->active = ACTIVE_NETWORK;
1287         cs->number = enumber;
1288         VectorCopy(PRVM_serveredictvector(ent, origin), cs->origin);
1289         VectorCopy(PRVM_serveredictvector(ent, angles), cs->angles);
1290         cs->flags = flags;
1291         cs->effects = effects;
1292         cs->colormap = (unsigned)PRVM_serveredictfloat(ent, colormap);
1293         cs->modelindex = modelindex;
1294         cs->skin = (unsigned)PRVM_serveredictfloat(ent, skin);
1295         cs->frame = (unsigned)PRVM_serveredictfloat(ent, frame);
1296         cs->viewmodelforclient = PRVM_serveredictedict(ent, viewmodelforclient);
1297         cs->exteriormodelforclient = PRVM_serveredictedict(ent, exteriormodeltoclient);
1298         cs->nodrawtoclient = PRVM_serveredictedict(ent, nodrawtoclient);
1299         cs->drawonlytoclient = PRVM_serveredictedict(ent, drawonlytoclient);
1300         cs->customizeentityforclient = customizeentityforclient;
1301         cs->tagentity = PRVM_serveredictedict(ent, tag_entity);
1302         cs->tagindex = (unsigned char)PRVM_serveredictfloat(ent, tag_index);
1303         cs->glowsize = glowsize;
1304         cs->traileffectnum = PRVM_serveredictfloat(ent, traileffectnum);
1305
1306         // don't need to init cs->colormod because the defaultstate did that for us
1307         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1308         v = PRVM_serveredictvector(ent, colormod);
1309         if (VectorLength2(v))
1310         {
1311                 i = (int)(v[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1312                 i = (int)(v[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1313                 i = (int)(v[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1314         }
1315
1316         // don't need to init cs->glowmod because the defaultstate did that for us
1317         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1318         v = PRVM_serveredictvector(ent, glowmod);
1319         if (VectorLength2(v))
1320         {
1321                 i = (int)(v[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1322                 i = (int)(v[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1323                 i = (int)(v[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1324         }
1325
1326         cs->modelindex = modelindex;
1327
1328         cs->alpha = 255;
1329         f = (PRVM_serveredictfloat(ent, alpha) * 255.0f);
1330         if (f)
1331         {
1332                 i = (int)f;
1333                 cs->alpha = (unsigned char)bound(0, i, 255);
1334         }
1335         // halflife
1336         f = (PRVM_serveredictfloat(ent, renderamt));
1337         if (f)
1338         {
1339                 i = (int)f;
1340                 cs->alpha = (unsigned char)bound(0, i, 255);
1341         }
1342
1343         cs->scale = 16;
1344         f = (PRVM_serveredictfloat(ent, scale) * 16.0f);
1345         if (f)
1346         {
1347                 i = (int)f;
1348                 cs->scale = (unsigned char)bound(0, i, 255);
1349         }
1350
1351         cs->glowcolor = 254;
1352         f = PRVM_serveredictfloat(ent, glow_color);
1353         if (f)
1354                 cs->glowcolor = (int)f;
1355
1356         if (PRVM_serveredictfloat(ent, fullbright))
1357                 cs->effects |= EF_FULLBRIGHT;
1358
1359         f = PRVM_serveredictfloat(ent, modelflags);
1360         if (f)
1361                 cs->effects |= ((unsigned int)f & 0xff) << 24;
1362
1363         if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
1364                 cs->flags |= RENDER_STEP;
1365         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)
1366                 cs->flags |= RENDER_LOWPRECISION;
1367         if (PRVM_serveredictfloat(ent, colormap) >= 1024)
1368                 cs->flags |= RENDER_COLORMAPPED;
1369         if (cs->viewmodelforclient)
1370                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1371
1372         if (PRVM_serveredictfloat(ent, sendcomplexanimation))
1373         {
1374                 cs->flags |= RENDER_COMPLEXANIMATION;
1375                 if (PRVM_serveredictfloat(ent, skeletonindex) >= 1)
1376                         cs->skeletonobject = ent->priv.server->skeleton;
1377                 cs->framegroupblend[0].frame = PRVM_serveredictfloat(ent, frame);
1378                 cs->framegroupblend[1].frame = PRVM_serveredictfloat(ent, frame2);
1379                 cs->framegroupblend[2].frame = PRVM_serveredictfloat(ent, frame3);
1380                 cs->framegroupblend[3].frame = PRVM_serveredictfloat(ent, frame4);
1381                 cs->framegroupblend[0].start = PRVM_serveredictfloat(ent, frame1time);
1382                 cs->framegroupblend[1].start = PRVM_serveredictfloat(ent, frame2time);
1383                 cs->framegroupblend[2].start = PRVM_serveredictfloat(ent, frame3time);
1384                 cs->framegroupblend[3].start = PRVM_serveredictfloat(ent, frame4time);
1385                 cs->framegroupblend[1].lerp = PRVM_serveredictfloat(ent, lerpfrac);
1386                 cs->framegroupblend[2].lerp = PRVM_serveredictfloat(ent, lerpfrac3);
1387                 cs->framegroupblend[3].lerp = PRVM_serveredictfloat(ent, lerpfrac4);
1388                 cs->framegroupblend[0].lerp = 1.0f - cs->framegroupblend[1].lerp - cs->framegroupblend[2].lerp - cs->framegroupblend[3].lerp;
1389                 cs->frame = 0; // don't need the legacy frame
1390         }
1391
1392         cs->light[0] = light[0];
1393         cs->light[1] = light[1];
1394         cs->light[2] = light[2];
1395         cs->light[3] = light[3];
1396         cs->lightstyle = lightstyle;
1397         cs->lightpflags = lightpflags;
1398
1399         cs->specialvisibilityradius = specialvisibilityradius;
1400
1401         // calculate the visible box of this entity (don't use the physics box
1402         // as that is often smaller than a model, and would not count
1403         // specialvisibilityradius)
1404         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1405         {
1406                 float scale = cs->scale * (1.0f / 16.0f);
1407                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1408                 {
1409                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1410                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1411                 }
1412                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1413                 {
1414                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1415                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1416                 }
1417                 else
1418                 {
1419                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1420                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1421                 }
1422         }
1423         else
1424         {
1425                 // if there is no model (or it could not be loaded), use the physics box
1426                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, mins), cullmins);
1427                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, maxs), cullmaxs);
1428         }
1429         if (specialvisibilityradius)
1430         {
1431                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1432                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1433                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1434                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1435                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1436                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1437         }
1438
1439         // calculate center of bbox for network prioritization purposes
1440         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1441
1442         // if culling box has moved, update pvs cluster links
1443         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1444         {
1445                 VectorCopy(cullmins, ent->priv.server->cullmins);
1446                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1447                 // a value of -1 for pvs_numclusters indicates that the links are not
1448                 // cached, and should be re-tested each time, this is the case if the
1449                 // culling box touches too many pvs clusters to store, or if the world
1450                 // model does not support FindBoxClusters
1451                 ent->priv.server->pvs_numclusters = -1;
1452                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1453                 {
1454                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1455                         if (i <= MAX_ENTITYCLUSTERS)
1456                                 ent->priv.server->pvs_numclusters = i;
1457                 }
1458         }
1459
1460         // we need to do some csqc entity upkeep here
1461         // get self.SendFlags and clear them
1462         // (to let the QC know that they've been read)
1463         if (sendentity)
1464         {
1465                 sendflags = (unsigned int)PRVM_serveredictfloat(ent, SendFlags);
1466                 PRVM_serveredictfloat(ent, SendFlags) = 0;
1467                 // legacy self.Version system
1468                 if ((version = (unsigned int)PRVM_serveredictfloat(ent, Version)))
1469                 {
1470                         if (sv.csqcentityversion[enumber] != version)
1471                                 sendflags = 0xFFFFFF;
1472                         sv.csqcentityversion[enumber] = version;
1473                 }
1474                 // move sendflags into the per-client sendflags
1475                 if (sendflags)
1476                         for (i = 0;i < svs.maxclients;i++)
1477                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1478                 // mark it as inactive for non-csqc networking
1479                 cs->active = ACTIVE_SHARED;
1480         }
1481
1482         return true;
1483 }
1484
1485 static void SV_PrepareEntitiesForSending(void)
1486 {
1487         prvm_prog_t *prog = SVVM_prog;
1488         int e;
1489         prvm_edict_t *ent;
1490         // send all entities that touch the pvs
1491         sv.numsendentities = 0;
1492         sv.sendentitiesindex[0] = NULL;
1493         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1494         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1495         {
1496                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1497                 {
1498                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1499                         sv.numsendentities++;
1500                 }
1501         }
1502 }
1503
1504 #define MAX_LINEOFSIGHTTRACES 64
1505
1506 qboolean SV_CanSeeBox(int numtraces, vec_t eyejitter, vec_t enlarge, vec_t entboxexpand, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1507 {
1508         prvm_prog_t *prog = SVVM_prog;
1509         float pitchsign;
1510         float alpha;
1511         float starttransformed[3], endtransformed[3];
1512         float boxminstransformed[3], boxmaxstransformed[3];
1513         float localboxcenter[3], localboxextents[3], localboxmins[3], localboxmaxs[3];
1514         int blocked = 0;
1515         int traceindex;
1516         int originalnumtouchedicts;
1517         int numtouchedicts = 0;
1518         int touchindex;
1519         matrix4x4_t matrix, imatrix;
1520         dp_model_t *model;
1521         prvm_edict_t *touch;
1522         static prvm_edict_t *touchedicts[MAX_EDICTS];
1523         vec3_t eyemins, eyemaxs, start;
1524         vec3_t boxmins, boxmaxs;
1525         vec3_t clipboxmins, clipboxmaxs;
1526         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1527
1528         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1529
1530         // jitter the eye location within this box
1531         eyemins[0] = eye[0] - eyejitter;
1532         eyemaxs[0] = eye[0] + eyejitter;
1533         eyemins[1] = eye[1] - eyejitter;
1534         eyemaxs[1] = eye[1] + eyejitter;
1535         eyemins[2] = eye[2] - eyejitter;
1536         eyemaxs[2] = eye[2] + eyejitter;
1537         // expand the box a little
1538         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0] - entboxexpand;
1539         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0] + entboxexpand;
1540         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1] - entboxexpand;
1541         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1] + entboxexpand;
1542         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2] - entboxexpand;
1543         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2] + entboxexpand;
1544
1545         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1546         for (traceindex = 1;traceindex < numtraces;traceindex++)
1547                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1548
1549         // calculate sweep box for the entire swarm of traces
1550         VectorCopy(eyemins, clipboxmins);
1551         VectorCopy(eyemaxs, clipboxmaxs);
1552         for (traceindex = 0;traceindex < numtraces;traceindex++)
1553         {
1554                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1555                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1556                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1557                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1558                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1559                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1560         }
1561
1562         // get the list of entities in the sweep box
1563         if (sv_cullentities_trace_entityocclusion.integer)
1564                 numtouchedicts = SV_EntitiesInBox(clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1565         if (numtouchedicts > MAX_EDICTS)
1566         {
1567                 // this never happens
1568                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1569                 numtouchedicts = MAX_EDICTS;
1570         }
1571         // iterate the entities found in the sweep box and filter them
1572         originalnumtouchedicts = numtouchedicts;
1573         numtouchedicts = 0;
1574         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1575         {
1576                 touch = touchedicts[touchindex];
1577                 if (PRVM_serveredictfloat(touch, solid) != SOLID_BSP)
1578                         continue;
1579                 model = SV_GetModelFromEdict(touch);
1580                 if (!model || !model->brush.TraceLineOfSight)
1581                         continue;
1582                 // skip obviously transparent entities
1583                 alpha = PRVM_serveredictfloat(touch, alpha);
1584                 if (alpha && alpha < 1)
1585                         continue;
1586                 if ((int)PRVM_serveredictfloat(touch, effects) & EF_ADDITIVE)
1587                         continue;
1588                 touchedicts[numtouchedicts++] = touch;
1589         }
1590
1591         // now that we have a filtered list of "interesting" entities, fire each
1592         // ray against all of them, this gives us an early-out case when something
1593         // is visible (which it often is)
1594
1595         for (traceindex = 0;traceindex < numtraces;traceindex++)
1596         {
1597                 VectorSet(start, lhrandom(eyemins[0], eyemaxs[0]), lhrandom(eyemins[1], eyemaxs[1]), lhrandom(eyemins[2], eyemaxs[2]));
1598                 // check world occlusion
1599                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1600                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, start, endpoints[traceindex], boxmins, boxmaxs))
1601                                 continue;
1602                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1603                 {
1604                         touch = touchedicts[touchindex];
1605                         model = SV_GetModelFromEdict(touch);
1606                         if(model && model->brush.TraceLineOfSight)
1607                         {
1608                                 // get the entity matrix
1609                                 pitchsign = SV_GetPitchSign(prog, touch);
1610                                 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);
1611                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1612                                 // see if the ray hits this entity
1613                                 Matrix4x4_Transform(&imatrix, start, starttransformed);
1614                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1615                                 Matrix4x4_Transform(&imatrix, boxmins, boxminstransformed);
1616                                 Matrix4x4_Transform(&imatrix, boxmaxs, boxmaxstransformed);
1617                                 // transform the AABB to local space
1618                                 VectorMAM(0.5f, boxminstransformed, 0.5f, boxmaxstransformed, localboxcenter);
1619                                 localboxextents[0] = fabs(boxmaxstransformed[0] - localboxcenter[0]);
1620                                 localboxextents[1] = fabs(boxmaxstransformed[1] - localboxcenter[1]);
1621                                 localboxextents[2] = fabs(boxmaxstransformed[2] - localboxcenter[2]);
1622                                 localboxmins[0] = localboxcenter[0] - localboxextents[0];
1623                                 localboxmins[1] = localboxcenter[1] - localboxextents[1];
1624                                 localboxmins[2] = localboxcenter[2] - localboxextents[2];
1625                                 localboxmaxs[0] = localboxcenter[0] + localboxextents[0];
1626                                 localboxmaxs[1] = localboxcenter[1] + localboxextents[1];
1627                                 localboxmaxs[2] = localboxcenter[2] + localboxextents[2];
1628                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed, localboxmins, localboxmaxs))
1629                                 {
1630                                         blocked++;
1631                                         break;
1632                                 }
1633                         }
1634                 }
1635                 // check if the ray was blocked
1636                 if (touchindex < numtouchedicts)
1637                         continue;
1638                 // return if the ray was not blocked
1639                 return true;
1640         }
1641
1642         // no rays survived
1643         return false;
1644 }
1645
1646 static void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1647 {
1648         prvm_prog_t *prog = SVVM_prog;
1649         int isbmodel;
1650         dp_model_t *model;
1651         prvm_edict_t *ed;
1652         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1653                 return;
1654         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1655         sv.writeentitiestoclient_stats_totalentities++;
1656
1657         if (s->customizeentityforclient)
1658         {
1659                 PRVM_serverglobalfloat(time) = sv.time;
1660                 PRVM_serverglobaledict(self) = s->number;
1661                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1662                 prog->ExecuteProgram(prog, s->customizeentityforclient, "customizeentityforclient: NULL function");
1663                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1664                         return;
1665         }
1666
1667         // never reject player
1668         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1669         {
1670                 // check various rejection conditions
1671                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1672                         return;
1673                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1674                         return;
1675                 if (s->effects & EF_NODRAW)
1676                         return;
1677                 // LadyHavoc: only send entities with a model or important effects
1678                 if (!s->modelindex && s->specialvisibilityradius == 0)
1679                         return;
1680
1681                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1682                 // viewmodels don't have visibility checking
1683                 if (s->viewmodelforclient)
1684                 {
1685                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1686                                 return;
1687                 }
1688                 else if (s->tagentity)
1689                 {
1690                         // tag attached entities simply check their parent
1691                         if (!sv.sendentitiesindex[s->tagentity])
1692                                 return;
1693                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1694                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1695                                 return;
1696                 }
1697                 // always send world submodels in newer protocols because they don't
1698                 // generate much traffic (in old protocols they hog bandwidth)
1699                 // but only if sv_cullentities_nevercullbmodels is off
1700                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1701                 {
1702                         // entity has survived every check so far, check if visible
1703                         ed = PRVM_EDICT_NUM(s->number);
1704
1705                         // if not touching a visible leaf
1706                         if (sv_cullentities_pvs.integer && !r_novis.integer && !r_trippy.integer && sv.writeentitiestoclient_pvsbytes)
1707                         {
1708                                 if (ed->priv.server->pvs_numclusters < 0)
1709                                 {
1710                                         // entity too big for clusters list
1711                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1712                                         {
1713                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1714                                                 return;
1715                                         }
1716                                 }
1717                                 else
1718                                 {
1719                                         int i;
1720                                         // check cached clusters list
1721                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1722                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1723                                                         break;
1724                                         if (i == ed->priv.server->pvs_numclusters)
1725                                         {
1726                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1727                                                 return;
1728                                         }
1729                                 }
1730                         }
1731
1732                         // or not seen by random tracelines
1733                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight && !r_trippy.integer)
1734                         {
1735                                 int samples =
1736                                         s->number <= svs.maxclients
1737                                                 ? sv_cullentities_trace_samples_players.integer
1738                                                 :
1739                                         s->specialvisibilityradius
1740                                                 ? sv_cullentities_trace_samples_extra.integer
1741                                                 : sv_cullentities_trace_samples.integer;
1742                                 float enlarge = sv_cullentities_trace_enlarge.value;
1743
1744                                 if(samples > 0)
1745                                 {
1746                                         int eyeindex;
1747                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1748                                                 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))
1749                                                         break;
1750                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1751                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1752                                                         host.realtime + (
1753                                                                 s->number <= svs.maxclients
1754                                                                         ? sv_cullentities_trace_delay_players.value
1755                                                                         : sv_cullentities_trace_delay.value
1756                                                         );
1757                                         else if (host.realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1758                                         {
1759                                                 sv.writeentitiestoclient_stats_culled_trace++;
1760                                                 return;
1761                                         }
1762                                 }
1763                         }
1764                 }
1765         }
1766
1767         // this just marks it for sending
1768         // FIXME: it would be more efficient to send here, but the entity
1769         // compressor isn't that flexible
1770         sv.writeentitiestoclient_stats_visibleentities++;
1771         sv.sententities[s->number] = sv.sententitiesmark;
1772 }
1773
1774 #if MAX_LEVELNETWORKEYES > 0
1775 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1776 static void SV_AddCameraEyes(void)
1777 {
1778         prvm_prog_t *prog = SVVM_prog;
1779         int e, i, j, k;
1780         prvm_edict_t *ed;
1781         static int cameras[MAX_LEVELNETWORKEYES];
1782         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1783         static int eye_levels[MAX_CLIENTNETWORKEYES];
1784         int n_cameras = 0;
1785         vec3_t mi, ma;
1786
1787         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1788                 eye_levels[i] = 0;
1789
1790         // check line of sight to portal entities and add them to PVS
1791         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1792         {
1793                 if (!ed->priv.server->free)
1794                 {
1795                         if(PRVM_serveredictfunction(ed, camera_transform))
1796                         {
1797                                 PRVM_serverglobalfloat(time) = sv.time;
1798                                 PRVM_serverglobaledict(self) = e;
1799                                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1800                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_serverglobalvector(trace_endpos));
1801                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1802                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1803                                 prog->ExecuteProgram(prog, PRVM_serveredictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1804                                 if(!VectorCompare(PRVM_serverglobalvector(trace_endpos), sv.writeentitiestoclient_eyes[0]))
1805                                 {
1806                                         VectorCopy(PRVM_serverglobalvector(trace_endpos), camera_origins[n_cameras]);
1807                                         cameras[n_cameras] = e;
1808                                         ++n_cameras;
1809                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1810                                                 break;
1811                                 }
1812                         }
1813                 }
1814         }
1815
1816         if(!n_cameras)
1817                 return;
1818
1819         // i is loop counter, is reset to 0 when an eye got added
1820         // j is camera index to check
1821         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1822         {
1823                 if(!cameras[j])
1824                         continue;
1825                 ed = PRVM_EDICT_NUM(cameras[j]);
1826                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, mins), mi);
1827                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, maxs), ma);
1828                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1829                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1830                 {
1831                         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))
1832                         {
1833                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1834                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1835                                 // 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);
1836                                 sv.writeentitiestoclient_numeyes++;
1837                                 cameras[j] = 0;
1838                                 i = 0;
1839                                 break;
1840                         }
1841                 }
1842         }
1843 }
1844 #else
1845 void SV_AddCameraEyes(void)
1846 {
1847 }
1848 #endif
1849
1850 static void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1851 {
1852         prvm_prog_t *prog = SVVM_prog;
1853         qboolean need_empty = false;
1854         int i, numsendstates, numcsqcsendstates;
1855         entity_state_t *s;
1856         prvm_edict_t *camera;
1857         qboolean success;
1858         vec3_t eye;
1859
1860         // if there isn't enough space to accomplish anything, skip it
1861         if (msg->cursize + 25 > maxsize)
1862                 return;
1863
1864         sv.writeentitiestoclient_msg = msg;
1865         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1866
1867         sv.writeentitiestoclient_stats_culled_pvs = 0;
1868         sv.writeentitiestoclient_stats_culled_trace = 0;
1869         sv.writeentitiestoclient_stats_visibleentities = 0;
1870         sv.writeentitiestoclient_stats_totalentities = 0;
1871         sv.writeentitiestoclient_numeyes = 0;
1872
1873         // get eye location
1874         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LadyHavoc: for comparison purposes
1875         camera = PRVM_EDICT_NUM( client->clientcamera );
1876         VectorAdd(PRVM_serveredictvector(camera, origin), PRVM_serveredictvector(clent, view_ofs), eye);
1877         sv.writeentitiestoclient_pvsbytes = 0;
1878         // get the PVS values for the eye location, later FatPVS calls will merge
1879         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1880                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1881
1882         // add the eye to a list for SV_CanSeeBox tests
1883         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1884         sv.writeentitiestoclient_numeyes++;
1885
1886         // calculate predicted eye origin for SV_CanSeeBox tests
1887         if (sv_cullentities_trace_prediction.integer)
1888         {
1889                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1890                 vec3_t predeye;
1891                 VectorMA(eye, predtime, PRVM_serveredictvector(camera, velocity), predeye);
1892                 if (SV_CanSeeBox(1, 0, 0, 0, eye, predeye, predeye))
1893                 {
1894                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1895                         sv.writeentitiestoclient_numeyes++;
1896                 }
1897                 //if (!sv.writeentitiestoclient_useprediction)
1898                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1899         }
1900
1901         SV_AddCameraEyes();
1902
1903         // build PVS from the new eyes
1904         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1905                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1906                         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);
1907
1908         sv.sententitiesmark++;
1909
1910         for (i = 0;i < sv.numsendentities;i++)
1911                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1912
1913         numsendstates = 0;
1914         numcsqcsendstates = 0;
1915         for (i = 0;i < sv.numsendentities;i++)
1916         {
1917                 s = &sv.sendentities[i];
1918                 if (sv.sententities[s->number] == sv.sententitiesmark)
1919                 {
1920                         if(s->active == ACTIVE_NETWORK)
1921                         {
1922                                 if (s->exteriormodelforclient)
1923                                 {
1924                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1925                                                 s->flags |= RENDER_EXTERIORMODEL;
1926                                         else
1927                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1928                                 }
1929                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1930                         }
1931                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1932                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1933                         else
1934                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1935                 }
1936         }
1937
1938         if (sv_cullentities_stats.integer)
1939                 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);
1940
1941         if(client->entitydatabase5)
1942                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1943         else
1944                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1945
1946         // force every 16th frame to be not empty (or cl_movement replay takes
1947         // too long)
1948         // BTW, this should normally not kick in any more due to the check
1949         // below, except if the client stopped sending movement frames
1950         if(client->num_skippedentityframes >= 16)
1951                 need_empty = true;
1952
1953         // help cl_movement a bit more
1954         if(client->movesequence != client->lastmovesequence)
1955                 need_empty = true;
1956         client->lastmovesequence = client->movesequence;
1957
1958         if (client->entitydatabase5)
1959                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1960         else if (client->entitydatabase4)
1961         {
1962                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1963                 Protocol_WriteStatsReliable();
1964         }
1965         else if (client->entitydatabase)
1966         {
1967                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1968                 Protocol_WriteStatsReliable();
1969         }
1970         else
1971         {
1972                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1973                 Protocol_WriteStatsReliable();
1974         }
1975
1976         if(success)
1977                 client->num_skippedentityframes = 0;
1978         else
1979                 ++client->num_skippedentityframes;
1980 }
1981
1982 /*
1983 =============
1984 SV_CleanupEnts
1985
1986 =============
1987 */
1988 static void SV_CleanupEnts (void)
1989 {
1990         prvm_prog_t *prog = SVVM_prog;
1991         int             e;
1992         prvm_edict_t    *ent;
1993
1994         ent = PRVM_NEXT_EDICT(prog->edicts);
1995         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1996                 PRVM_serveredictfloat(ent, effects) = (int)PRVM_serveredictfloat(ent, effects) & ~EF_MUZZLEFLASH;
1997 }
1998
1999 /*
2000 ==================
2001 SV_WriteClientdataToMessage
2002
2003 ==================
2004 */
2005 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
2006 {
2007         prvm_prog_t *prog = SVVM_prog;
2008         int             bits;
2009         int             i;
2010         prvm_edict_t    *other;
2011         int             items;
2012         vec3_t  punchvector;
2013         int             viewzoom;
2014         const char *s;
2015         float   *statsf = (float *)stats;
2016         float gravity;
2017
2018 //
2019 // send a damage message
2020 //
2021         if (PRVM_serveredictfloat(ent, dmg_take) || PRVM_serveredictfloat(ent, dmg_save))
2022         {
2023                 other = PRVM_PROG_TO_EDICT(PRVM_serveredictedict(ent, dmg_inflictor));
2024                 MSG_WriteByte (msg, svc_damage);
2025                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_save));
2026                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_take));
2027                 for (i=0 ; i<3 ; i++)
2028                         MSG_WriteCoord (msg, PRVM_serveredictvector(other, origin)[i] + 0.5*(PRVM_serveredictvector(other, mins)[i] + PRVM_serveredictvector(other, maxs)[i]), sv.protocol);
2029
2030                 PRVM_serveredictfloat(ent, dmg_take) = 0;
2031                 PRVM_serveredictfloat(ent, dmg_save) = 0;
2032         }
2033
2034 //
2035 // send the current viewpos offset from the view entity
2036 //
2037         SV_SetIdealPitch ();            // how much to look up / down ideally
2038
2039 // a fixangle might get lost in a dropped packet.  Oh well.
2040         if(PRVM_serveredictfloat(ent, fixangle))
2041         {
2042                 // angle fixing was requested by global thinking code...
2043                 // so store the current angles for later use
2044                 VectorCopy(PRVM_serveredictvector(ent, angles), host_client->fixangle_angles);
2045                 host_client->fixangle_angles_set = true;
2046
2047                 // and clear fixangle for the next frame
2048                 PRVM_serveredictfloat(ent, fixangle) = 0;
2049         }
2050
2051         if (host_client->fixangle_angles_set)
2052         {
2053                 MSG_WriteByte (msg, svc_setangle);
2054                 for (i=0 ; i < 3 ; i++)
2055                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
2056                 host_client->fixangle_angles_set = false;
2057         }
2058
2059         // the runes are in serverflags, pack them into the items value, also pack
2060         // in the items2 value for mission pack huds
2061         // (used only in the mission packs, which do not use serverflags)
2062         items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serveredictfloat(ent, items2) << 23) | ((int)PRVM_serverglobalfloat(serverflags) << 28);
2063
2064         VectorCopy(PRVM_serveredictvector(ent, punchvector), punchvector);
2065
2066         // cache weapon model name and index in client struct to save time
2067         // (this search can be almost 1% of cpu time!)
2068         s = PRVM_GetString(prog, PRVM_serveredictstring(ent, weaponmodel));
2069         if (strcmp(s, client->weaponmodel))
2070         {
2071                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
2072                 client->weaponmodelindex = SV_ModelIndex(s, 1);
2073         }
2074
2075         viewzoom = (int)(PRVM_serveredictfloat(ent, viewzoom) * 255.0f);
2076         if (viewzoom == 0)
2077                 viewzoom = 255;
2078
2079         bits = 0;
2080
2081         if ((int)PRVM_serveredictfloat(ent, flags) & FL_ONGROUND)
2082                 bits |= SU_ONGROUND;
2083         if (PRVM_serveredictfloat(ent, waterlevel) >= 2)
2084                 bits |= SU_INWATER;
2085         if (PRVM_serveredictfloat(ent, idealpitch))
2086                 bits |= SU_IDEALPITCH;
2087
2088         for (i=0 ; i<3 ; i++)
2089         {
2090                 if (PRVM_serveredictvector(ent, punchangle)[i])
2091                         bits |= (SU_PUNCH1<<i);
2092                 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)
2093                         if (punchvector[i])
2094                                 bits |= (SU_PUNCHVEC1<<i);
2095                 if (PRVM_serveredictvector(ent, velocity)[i])
2096                         bits |= (SU_VELOCITY1<<i);
2097         }
2098
2099         gravity = PRVM_serveredictfloat(ent, gravity);if (!gravity) gravity = 1.0f;
2100
2101         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
2102         stats[STAT_VIEWHEIGHT] = (int)PRVM_serveredictvector(ent, view_ofs)[2];
2103         stats[STAT_ITEMS] = items;
2104         stats[STAT_WEAPONFRAME] = (int)PRVM_serveredictfloat(ent, weaponframe);
2105         stats[STAT_ARMOR] = (int)PRVM_serveredictfloat(ent, armorvalue);
2106         stats[STAT_WEAPON] = client->weaponmodelindex;
2107         stats[STAT_HEALTH] = (int)PRVM_serveredictfloat(ent, health);
2108         stats[STAT_AMMO] = (int)PRVM_serveredictfloat(ent, currentammo);
2109         stats[STAT_SHELLS] = (int)PRVM_serveredictfloat(ent, ammo_shells);
2110         stats[STAT_NAILS] = (int)PRVM_serveredictfloat(ent, ammo_nails);
2111         stats[STAT_ROCKETS] = (int)PRVM_serveredictfloat(ent, ammo_rockets);
2112         stats[STAT_CELLS] = (int)PRVM_serveredictfloat(ent, ammo_cells);
2113         stats[STAT_ACTIVEWEAPON] = (int)PRVM_serveredictfloat(ent, weapon);
2114         stats[STAT_VIEWZOOM] = viewzoom;
2115         stats[STAT_TOTALSECRETS] = (int)PRVM_serverglobalfloat(total_secrets);
2116         stats[STAT_TOTALMONSTERS] = (int)PRVM_serverglobalfloat(total_monsters);
2117         // the QC bumps these itself by sending svc_'s, so we have to keep them
2118         // zero or they'll be corrected by the engine
2119         //stats[STAT_SECRETS] = PRVM_serverglobalfloat(found_secrets);
2120         //stats[STAT_MONSTERS] = PRVM_serverglobalfloat(killed_monsters);
2121
2122         if(!sv_gameplayfix_customstats.integer)
2123         {
2124                 statsf[STAT_MOVEVARS_AIRACCEL_QW_STRETCHFACTOR] = sv_airaccel_qw_stretchfactor.value;
2125                 statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
2126                 statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2127                 statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
2128                 statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
2129                 // movement settings for prediction
2130                 // note: these are not sent in protocols with lower MAX_CL_STATS limits
2131                 stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
2132                         | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
2133                         | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
2134                         | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
2135                 ;
2136                 statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
2137                 statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
2138                 statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2139                 statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2140                 statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2141                 statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
2142                 statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
2143                 statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
2144                 statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
2145                 statsf[STAT_FRAGLIMIT] = fraglimit.value;
2146                 statsf[STAT_TIMELIMIT] = timelimit.value;
2147                 statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
2148                 statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
2149                 statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
2150                 statsf[STAT_MOVEVARS_TIMESCALE] = host_timescale.value;
2151                 statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
2152                 statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
2153                 statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
2154                 statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
2155                 statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
2156                 statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
2157                 statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
2158                 statsf[STAT_MOVEVARS_ENTGRAVITY] = gravity;
2159                 statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
2160                 statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
2161                 statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
2162                 statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
2163                 statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
2164                 statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
2165         }
2166
2167         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)
2168         {
2169                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2170                 bits |= SU_ITEMS;
2171                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2172                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2173                 bits |= SU_WEAPON;
2174                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2175                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2176                         if (viewzoom != 255)
2177                                 bits |= SU_VIEWZOOM;
2178         }
2179
2180         if (bits >= 65536)
2181                 bits |= SU_EXTEND1;
2182         if (bits >= 16777216)
2183                 bits |= SU_EXTEND2;
2184
2185         // send the data
2186         MSG_WriteByte (msg, svc_clientdata);
2187         MSG_WriteShort (msg, bits);
2188         if (bits & SU_EXTEND1)
2189                 MSG_WriteByte(msg, bits >> 16);
2190         if (bits & SU_EXTEND2)
2191                 MSG_WriteByte(msg, bits >> 24);
2192
2193         if (bits & SU_VIEWHEIGHT)
2194                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2195
2196         if (bits & SU_IDEALPITCH)
2197                 MSG_WriteChar (msg, (int)PRVM_serveredictfloat(ent, idealpitch));
2198
2199         for (i=0 ; i<3 ; i++)
2200         {
2201                 if (bits & (SU_PUNCH1<<i))
2202                 {
2203                         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)
2204                                 MSG_WriteChar(msg, (int)PRVM_serveredictvector(ent, punchangle)[i]);
2205                         else
2206                                 MSG_WriteAngle16i(msg, PRVM_serveredictvector(ent, punchangle)[i]);
2207                 }
2208                 if (bits & (SU_PUNCHVEC1<<i))
2209                 {
2210                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2211                                 MSG_WriteCoord16i(msg, punchvector[i]);
2212                         else
2213                                 MSG_WriteCoord32f(msg, punchvector[i]);
2214                 }
2215                 if (bits & (SU_VELOCITY1<<i))
2216                 {
2217                         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)
2218                                 MSG_WriteChar(msg, (int)(PRVM_serveredictvector(ent, velocity)[i] * (1.0f / 16.0f)));
2219                         else
2220                                 MSG_WriteCoord32f(msg, PRVM_serveredictvector(ent, velocity)[i]);
2221                 }
2222         }
2223
2224         if (bits & SU_ITEMS)
2225                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2226
2227         if (sv.protocol == PROTOCOL_DARKPLACES5)
2228         {
2229                 if (bits & SU_WEAPONFRAME)
2230                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2231                 if (bits & SU_ARMOR)
2232                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2233                 if (bits & SU_WEAPON)
2234                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2235                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2236                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2237                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2238                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2239                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2240                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2241                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2242                 if (bits & SU_VIEWZOOM)
2243                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2244         }
2245         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)
2246         {
2247                 if (bits & SU_WEAPONFRAME)
2248                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2249                 if (bits & SU_ARMOR)
2250                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2251                 if (bits & SU_WEAPON)
2252                 {
2253                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2254                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2255                         else
2256                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2257                 }
2258                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2259                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2260                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2261                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2262                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2263                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2264                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_QUOTH || IS_OLDNEXUIZ_DERIVED(gamemode))
2265                 {
2266                         for (i = 0;i < 32;i++)
2267                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2268                                         break;
2269                         MSG_WriteByte (msg, i);
2270                 }
2271                 else
2272                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2273                 if (bits & SU_VIEWZOOM)
2274                 {
2275                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2276                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2277                         else
2278                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2279                 }
2280         }
2281 }
2282
2283 void SV_FlushBroadcastMessages(void)
2284 {
2285         int i;
2286         client_t *client;
2287         if (sv.datagram.cursize <= 0)
2288                 return;
2289         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2290         {
2291                 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])))
2292                         continue;
2293                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2294                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2295         }
2296         SZ_Clear(&sv.datagram);
2297 }
2298
2299 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2300 {
2301         // scan the splitpoints to find out how many we can fit in
2302         int numsegments, j, split;
2303         if (!client->unreliablemsg_splitpoints)
2304                 return;
2305         // always accept the first one if it's within 1024 bytes, this ensures
2306         // that very big datagrams which are over the rate limit still get
2307         // through, just to keep it working
2308         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2309                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2310                         break;
2311         // the first segment gets an exemption from the rate limiting, otherwise
2312         // it could get dropped consistently due to a low rate limit
2313         if (numsegments == 1)
2314                 maxsize = maxsize2;
2315         // some will fit, so add the ones that will fit
2316         split = client->unreliablemsg_splitpoint[numsegments-1];
2317         // note this discards ones that were accepted by the segments scan but
2318         // can not fit, such as a really huge first one that will never ever
2319         // fit in a packet...
2320         if (msg->cursize + split <= maxsize)
2321                 SZ_Write(msg, client->unreliablemsg.data, split);
2322         // remove the part we sent, keeping any remaining data
2323         client->unreliablemsg.cursize -= split;
2324         if (client->unreliablemsg.cursize > 0)
2325                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2326         // adjust remaining splitpoints
2327         client->unreliablemsg_splitpoints -= numsegments;
2328         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2329                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2330 }
2331
2332 /*
2333 =======================
2334 SV_SendClientDatagram
2335 =======================
2336 */
2337 static void SV_SendClientDatagram (client_t *client)
2338 {
2339         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2340         sizebuf_t msg;
2341         int stats[MAX_CL_STATS];
2342         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2343         double timedelta;
2344
2345         // obey rate limit by limiting packet frequency if the packet size
2346         // limiting fails
2347         // (usually this is caused by reliable messages)
2348         if (!NetConn_CanSend(client->netconnection))
2349                 return;
2350
2351         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2352         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2353         if (sv_maxrate.integer != maxrate)
2354                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2355
2356         // clientrate determines the 'cleartime' of a packet
2357         // (how long to wait before sending another, based on this packet's size)
2358         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2359
2360         switch (sv.protocol)
2361         {
2362         case PROTOCOL_QUAKE:
2363         case PROTOCOL_QUAKEDP:
2364         case PROTOCOL_NEHAHRAMOVIE:
2365         case PROTOCOL_NEHAHRABJP:
2366         case PROTOCOL_NEHAHRABJP2:
2367         case PROTOCOL_NEHAHRABJP3:
2368         case PROTOCOL_QUAKEWORLD:
2369                 // no packet size limit support on Quake protocols because it just
2370                 // causes missing entities/effects
2371                 // packets are simply sent less often to obey the rate limit
2372                 maxsize = 1024;
2373                 maxsize2 = 1024;
2374                 break;
2375         case PROTOCOL_DARKPLACES1:
2376         case PROTOCOL_DARKPLACES2:
2377         case PROTOCOL_DARKPLACES3:
2378         case PROTOCOL_DARKPLACES4:
2379                 // no packet size limit support on DP1-4 protocols because they kick
2380                 // the client off if they overflow, and miss effects
2381                 // packets are simply sent less often to obey the rate limit
2382                 maxsize = sizeof(sv_sendclientdatagram_buf);
2383                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2384                 break;
2385         default:
2386                 // DP5 and later protocols support packet size limiting which is a
2387                 // better method than limiting packet frequency as QW does
2388                 //
2389                 // at very low rates (or very small sys_ticrate) the packet size is
2390                 // not reduced below 128, but packets may be sent less often
2391
2392                 // how long are bursts?
2393                 timedelta = host_client->rate_burstsize / (double)client->rate;
2394
2395                 // how much of the burst do we keep reserved?
2396                 timedelta *= 1 - net_burstreserve.value;
2397
2398                 // only try to use excess time
2399                 timedelta = bound(0, host.realtime - host_client->netconnection->cleartime, timedelta);
2400
2401                 // but we know next packet will be in sys_ticrate, so we can use up THAT bandwidth
2402                 timedelta += sys_ticrate.value;
2403
2404                 // note: packet overhead (not counted in maxsize) is 28 bytes
2405                 maxsize = (int)(clientrate * timedelta) - 28;
2406
2407                 // put it in sound bounds
2408                 maxsize = bound(128, maxsize, 1400);
2409                 maxsize2 = 1400;
2410
2411                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2412                 // mods that use csqc (they are likely to use less bandwidth anyway)
2413                 if((net_usesizelimit.integer == 1) ? (sv.csqc_progsize > 0) : (net_usesizelimit.integer < 1))
2414                         maxsize = maxsize2;
2415
2416                 break;
2417         }
2418
2419         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2420         {
2421                 // for good singleplayer, send huge packets
2422                 maxsize = sizeof(sv_sendclientdatagram_buf);
2423                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2424                 // never limit frequency in singleplayer
2425                 clientrate = 1000000000;
2426         }
2427
2428         // while downloading, limit entity updates to half the packet
2429         // (any leftover space will be used for downloading)
2430         if (host_client->download_file)
2431                 maxsize /= 2;
2432
2433         msg.data = sv_sendclientdatagram_buf;
2434         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2435         msg.cursize = 0;
2436         msg.allowoverflow = false;
2437
2438         if (host_client->begun)
2439         {
2440                 // the player is in the game
2441                 MSG_WriteByte (&msg, svc_time);
2442                 MSG_WriteFloat (&msg, sv.time);
2443
2444                 // add the client specific data to the datagram
2445                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2446                 // now update the stats[] array using any registered custom fields
2447                 VM_SV_UpdateCustomStats(client, client->edict, &msg, stats);
2448                 // set host_client->statsdeltabits
2449                 Protocol_UpdateClientStats (stats);
2450
2451                 // add as many queued unreliable messages (effects) as we can fit
2452                 // limit effects to half of the remaining space
2453                 if (client->unreliablemsg.cursize)
2454                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2455
2456                 // now write as many entities as we can fit, and also sends stats
2457                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2458         }
2459         else if (host.realtime > client->keepalivetime)
2460         {
2461                 // the player isn't totally in the game yet
2462                 // send small keepalive messages if too much time has passed
2463                 // (may also be sending downloads)
2464                 client->keepalivetime = host.realtime + 5;
2465                 MSG_WriteChar (&msg, svc_nop);
2466         }
2467
2468         // if a download is active, see if there is room to fit some download data
2469         // in this packet
2470         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2471         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2472         {
2473                 fs_offset_t downloadstart;
2474                 unsigned char data[1400];
2475                 downloadstart = FS_Tell(host_client->download_file);
2476                 downloadsize = min(downloadsize, (int)sizeof(data));
2477                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2478                 // note this sends empty messages if at the end of the file, which is
2479                 // necessary to keep the packet loss logic working
2480                 // (the last blocks may be lost and need to be re-sent, and that will
2481                 //  only occur if the client acks the empty end messages, revealing
2482                 //  a gap in the download progress, causing the last blocks to be
2483                 //  sent again)
2484                 MSG_WriteChar (&msg, svc_downloaddata);
2485                 MSG_WriteLong (&msg, downloadstart);
2486                 MSG_WriteShort (&msg, downloadsize);
2487                 if (downloadsize > 0)
2488                         SZ_Write (&msg, data, downloadsize);
2489         }
2490
2491         // reliable only if none is in progress
2492         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2493                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2494         // unreliable
2495         SV_WriteDemoMessage(client, &msg, false);
2496
2497 // send the datagram
2498         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->rate_burstsize, client->sendsignon == 2);
2499         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2500                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2501 }
2502
2503 /*
2504 =======================
2505 SV_UpdateToReliableMessages
2506 =======================
2507 */
2508 static void SV_UpdateToReliableMessages (void)
2509 {
2510         prvm_prog_t *prog = SVVM_prog;
2511         int i, j;
2512         client_t *client;
2513         const char *name;
2514         const char *model;
2515         const char *skin;
2516         int clientcamera;
2517
2518 // check for changes to be sent over the reliable streams
2519         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2520         {
2521                 // update the host_client fields we care about according to the entity fields
2522                 host_client->edict = PRVM_EDICT_NUM(i+1);
2523
2524                 // DP_SV_CLIENTNAME
2525                 name = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, netname));
2526                 if (name == NULL)
2527                         name = "";
2528                 // always point the string back at host_client->name to keep it safe
2529                 //strlcpy (host_client->name, name, sizeof (host_client->name));
2530                 if (name != host_client->name) // prevent buffer overlap SIGABRT on Mac OSX
2531                         strlcpy (host_client->name, name, sizeof (host_client->name));
2532                 PRVM_serveredictstring(host_client->edict, netname) = PRVM_SetEngineString(prog, host_client->name);
2533                 if (strcmp(host_client->old_name, host_client->name))
2534                 {
2535                         if (host_client->begun)
2536                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2537                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2538                         // send notification to all clients
2539                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2540                         MSG_WriteByte (&sv.reliable_datagram, i);
2541                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2542                         SV_WriteNetnameIntoDemo(host_client);
2543                 }
2544
2545                 // DP_SV_CLIENTCOLORS
2546                 host_client->colors = (int)PRVM_serveredictfloat(host_client->edict, clientcolors);
2547                 if (host_client->old_colors != host_client->colors)
2548                 {
2549                         host_client->old_colors = host_client->colors;
2550                         // send notification to all clients
2551                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2552                         MSG_WriteByte (&sv.reliable_datagram, i);
2553                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2554                 }
2555
2556                 // NEXUIZ_PLAYERMODEL
2557                 model = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playermodel));
2558                 if (model == NULL)
2559                         model = "";
2560                 // always point the string back at host_client->name to keep it safe
2561                 //strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2562                 if (model != host_client->playermodel) // prevent buffer overlap SIGABRT on Mac OSX
2563                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2564                 PRVM_serveredictstring(host_client->edict, playermodel) = PRVM_SetEngineString(prog, host_client->playermodel);
2565
2566                 // NEXUIZ_PLAYERSKIN
2567                 skin = PRVM_GetString(prog, PRVM_serveredictstring(host_client->edict, playerskin));
2568                 if (skin == NULL)
2569                         skin = "";
2570                 // always point the string back at host_client->name to keep it safe
2571                 //strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2572                 if (skin != host_client->playerskin) // prevent buffer overlap SIGABRT on Mac OSX
2573                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2574                 PRVM_serveredictstring(host_client->edict, playerskin) = PRVM_SetEngineString(prog, host_client->playerskin);
2575
2576                 // TODO: add an extension name for this [1/17/2008 Black]
2577                 clientcamera = PRVM_serveredictedict(host_client->edict, clientcamera);
2578                 if (clientcamera > 0)
2579                 {
2580                         int oldclientcamera = host_client->clientcamera;
2581                         if (clientcamera >= prog->max_edicts || PRVM_EDICT_NUM(clientcamera)->priv.required->free)
2582                                 clientcamera = PRVM_NUM_FOR_EDICT(host_client->edict);
2583                         host_client->clientcamera = clientcamera;
2584
2585                         if (oldclientcamera != host_client->clientcamera && host_client->netconnection)
2586                         {
2587                                 MSG_WriteByte(&host_client->netconnection->message, svc_setview);
2588                                 MSG_WriteShort(&host_client->netconnection->message, host_client->clientcamera);
2589                         }
2590                 }
2591
2592                 // frags
2593                 host_client->frags = (int)PRVM_serveredictfloat(host_client->edict, frags);
2594                 if(IS_OLDNEXUIZ_DERIVED(gamemode))
2595                         if(!host_client->begun && host_client->netconnection)
2596                                 host_client->frags = -666;
2597                 if (host_client->old_frags != host_client->frags)
2598                 {
2599                         host_client->old_frags = host_client->frags;
2600                         // send notification to all clients
2601                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2602                         MSG_WriteByte (&sv.reliable_datagram, i);
2603                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2604                 }
2605         }
2606
2607         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2608                 if (client->netconnection && (client->begun || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2609                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2610
2611         SZ_Clear (&sv.reliable_datagram);
2612 }
2613
2614
2615 /*
2616 =======================
2617 SV_SendClientMessages
2618 =======================
2619 */
2620 void SV_SendClientMessages(void)
2621 {
2622         int i, prepared = false;
2623
2624         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2625                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2626
2627         SV_FlushBroadcastMessages();
2628
2629 // update frags, names, etc
2630         SV_UpdateToReliableMessages();
2631
2632 // build individual updates
2633         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2634         {
2635                 if (!host_client->active)
2636                         continue;
2637                 if (!host_client->netconnection)
2638                         continue;
2639
2640                 if (host_client->netconnection->message.overflowed)
2641                 {
2642                         SV_DropClient (true);   // if the message couldn't send, kick off
2643                         continue;
2644                 }
2645
2646                 if (!prepared)
2647                 {
2648                         prepared = true;
2649                         // only prepare entities once per frame
2650                         SV_PrepareEntitiesForSending();
2651                 }
2652                 SV_SendClientDatagram(host_client);
2653         }
2654
2655 // clear muzzle flashes
2656         SV_CleanupEnts();
2657 }
2658
2659 static void SV_StartDownload_f(cmd_state_t *cmd)
2660 {
2661         if (host_client->download_file)
2662                 host_client->download_started = true;
2663 }
2664
2665 /*
2666  * Compression extension negotiation:
2667  *
2668  * Server to client:
2669  *   cl_serverextension_download 2
2670  *
2671  * Client to server:
2672  *   download <filename> <list of zero or more suppported compressions in order of preference>
2673  * e.g.
2674  *   download maps/map1.bsp lzo deflate huffman
2675  *
2676  * Server to client:
2677  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2678  * e.g.
2679  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2680  *
2681  * The server may choose not to compress the file by sending no compression name, like:
2682  *   cl_downloadbegin 345678 maps/map1.bsp
2683  *
2684  * NOTE: the "download" command may only specify compression algorithms if
2685  *       cl_serverextension_download is 2!
2686  *       If cl_serverextension_download has a different value, the client must
2687  *       assume this extension is not supported!
2688  */
2689
2690 static void Download_CheckExtensions(cmd_state_t *cmd)
2691 {
2692         int i;
2693         int argc = Cmd_Argc(cmd);
2694
2695         // first reset them all
2696         host_client->download_deflate = false;
2697
2698         for(i = 2; i < argc; ++i)
2699         {
2700                 if(!strcmp(Cmd_Argv(cmd, i), "deflate"))
2701                 {
2702                         host_client->download_deflate = true;
2703                         break;
2704                 }
2705         }
2706 }
2707
2708 static void SV_Download_f(cmd_state_t *cmd)
2709 {
2710         const char *whichpack, *whichpack2, *extension;
2711         qboolean is_csqc; // so we need to check only once
2712
2713         if (Cmd_Argc(cmd) < 2)
2714         {
2715                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2716                 SV_ClientPrintf("       supported extensions: deflate\n");
2717                 return;
2718         }
2719
2720         if (FS_CheckNastyPath(Cmd_Argv(cmd, 1), false))
2721         {
2722                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(cmd, 1));
2723                 return;
2724         }
2725
2726         if (host_client->download_file)
2727         {
2728                 // at this point we'll assume the previous download should be aborted
2729                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2730                 Host_ClientCommands("\nstopdownload\n");
2731
2732                 // close the file and reset variables
2733                 FS_Close(host_client->download_file);
2734                 host_client->download_file = NULL;
2735                 host_client->download_name[0] = 0;
2736                 host_client->download_expectedposition = 0;
2737                 host_client->download_started = false;
2738         }
2739
2740         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(cmd, 1), sv.csqc_progname) == 0);
2741
2742         if (!sv_allowdownloads.integer && !is_csqc)
2743         {
2744                 SV_ClientPrintf("Downloads are disabled on this server\n");
2745                 Host_ClientCommands("\nstopdownload\n");
2746                 return;
2747         }
2748
2749         Download_CheckExtensions(cmd);
2750
2751         strlcpy(host_client->download_name, Cmd_Argv(cmd, 1), sizeof(host_client->download_name));
2752         extension = FS_FileExtension(host_client->download_name);
2753
2754         // host_client is asking to download a specified file
2755         if (developer_extra.integer)
2756                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2757
2758         if(is_csqc)
2759         {
2760                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2761                 extensions[0] = '\0';
2762
2763                 if(host_client->download_deflate)
2764                         strlcat(extensions, " deflate", sizeof(extensions));
2765
2766                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2767
2768                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2769                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2770                 else
2771                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2772
2773                 // no, no space is needed between %s and %s :P
2774                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2775
2776                 host_client->download_expectedposition = 0;
2777                 host_client->download_started = false;
2778                 host_client->sendsignon = true; // make sure this message is sent
2779                 return;
2780         }
2781
2782         if (!FS_FileExists(host_client->download_name))
2783         {
2784                 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);
2785                 Host_ClientCommands("\nstopdownload\n");
2786                 return;
2787         }
2788
2789         // check if the user is trying to download part of registered Quake(r)
2790         whichpack = FS_WhichPack(host_client->download_name);
2791         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2792         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2793         {
2794                 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);
2795                 Host_ClientCommands("\nstopdownload\n");
2796                 return;
2797         }
2798
2799         // check if the server has forbidden archive downloads entirely
2800         if (!sv_allowdownloads_inarchive.integer)
2801         {
2802                 whichpack = FS_WhichPack(host_client->download_name);
2803                 if (whichpack)
2804                 {
2805                         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);
2806                         Host_ClientCommands("\nstopdownload\n");
2807                         return;
2808                 }
2809         }
2810
2811         if (!sv_allowdownloads_config.integer)
2812         {
2813                 if (!strcasecmp(extension, "cfg"))
2814                 {
2815                         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);
2816                         Host_ClientCommands("\nstopdownload\n");
2817                         return;
2818                 }
2819         }
2820
2821         if (!sv_allowdownloads_dlcache.integer)
2822         {
2823                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2824                 {
2825                         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);
2826                         Host_ClientCommands("\nstopdownload\n");
2827                         return;
2828                 }
2829         }
2830
2831         if (!sv_allowdownloads_archive.integer)
2832         {
2833                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2834                 {
2835                         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);
2836                         Host_ClientCommands("\nstopdownload\n");
2837                         return;
2838                 }
2839         }
2840
2841         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2842         if (!host_client->download_file)
2843         {
2844                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2845                 Host_ClientCommands("\nstopdownload\n");
2846                 return;
2847         }
2848
2849         if (FS_FileSize(host_client->download_file) > 1<<30)
2850         {
2851                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2852                 Host_ClientCommands("\nstopdownload\n");
2853                 FS_Close(host_client->download_file);
2854                 host_client->download_file = NULL;
2855                 return;
2856         }
2857
2858         if (FS_FileSize(host_client->download_file) < 0)
2859         {
2860                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2861                 Host_ClientCommands("\nstopdownload\n");
2862                 FS_Close(host_client->download_file);
2863                 host_client->download_file = NULL;
2864                 return;
2865         }
2866
2867         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2868
2869         /*
2870          * we can only do this if we would actually deflate on the fly
2871          * which we do not (yet)!
2872         {
2873                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2874                 extensions[0] = '\0';
2875
2876                 if(host_client->download_deflate)
2877                         strlcat(extensions, " deflate", sizeof(extensions));
2878
2879                 // no, no space is needed between %s and %s :P
2880                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2881         }
2882         */
2883         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2884
2885         host_client->download_expectedposition = 0;
2886         host_client->download_started = false;
2887         host_client->sendsignon = true; // make sure this message is sent
2888
2889         // the rest of the download process is handled in SV_SendClientDatagram
2890         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2891         //
2892         // no svc_downloaddata messages will be sent until sv_startdownload is
2893         // sent by the client
2894 }
2895
2896 /*
2897 ==============================================================================
2898
2899 SERVER SPAWNING
2900
2901 ==============================================================================
2902 */
2903
2904 /*
2905 ================
2906 SV_ModelIndex
2907
2908 ================
2909 */
2910 int SV_ModelIndex(const char *s, int precachemode)
2911 {
2912         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);
2913         char filename[MAX_QPATH];
2914         if (!s || !*s)
2915                 return 0;
2916         // testing
2917         //if (precachemode == 2)
2918         //      return 0;
2919         strlcpy(filename, s, sizeof(filename));
2920         for (i = 2;i < limit;i++)
2921         {
2922                 if (!sv.model_precache[i][0])
2923                 {
2924                         if (precachemode)
2925                         {
2926                                 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))
2927                                 {
2928                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2929                                         return 0;
2930                                 }
2931                                 if (precachemode == 1)
2932                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2933                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2934                                 if (sv.state == ss_loading)
2935                                 {
2936                                         // running from SV_SpawnServer which is launched from the client console command interpreter
2937                                         sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2938                                 }
2939                                 else
2940                                 {
2941                                         if (svs.threaded)
2942                                         {
2943                                                 // 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
2944                                                 sv.models[i] = Mod_FindName (sv.model_precache[i], s[0] == '*' ? sv.worldname : NULL);
2945                                         }
2946                                         else
2947                                         {
2948                                                 // running single threaded, so we can load the model here
2949                                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2950                                         }
2951                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2952                                         MSG_WriteShort(&sv.reliable_datagram, i);
2953                                         MSG_WriteString(&sv.reliable_datagram, filename);
2954                                 }
2955                                 return i;
2956                         }
2957                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2958                         return 0;
2959                 }
2960                 if (!strcmp(sv.model_precache[i], filename))
2961                         return i;
2962         }
2963         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2964         return 0;
2965 }
2966
2967 /*
2968 ================
2969 SV_SoundIndex
2970
2971 ================
2972 */
2973 int SV_SoundIndex(const char *s, int precachemode)
2974 {
2975         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);
2976         char filename[MAX_QPATH];
2977         if (!s || !*s)
2978                 return 0;
2979         // testing
2980         //if (precachemode == 2)
2981         //      return 0;
2982         strlcpy(filename, s, sizeof(filename));
2983         for (i = 1;i < limit;i++)
2984         {
2985                 if (!sv.sound_precache[i][0])
2986                 {
2987                         if (precachemode)
2988                         {
2989                                 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))
2990                                 {
2991                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2992                                         return 0;
2993                                 }
2994                                 if (precachemode == 1)
2995                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2996                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2997                                 if (sv.state != ss_loading)
2998                                 {
2999                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
3000                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
3001                                         MSG_WriteString(&sv.reliable_datagram, filename);
3002                                 }
3003                                 return i;
3004                         }
3005                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
3006                         return 0;
3007                 }
3008                 if (!strcmp(sv.sound_precache[i], filename))
3009                         return i;
3010         }
3011         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
3012         return 0;
3013 }
3014
3015 /*
3016 ================
3017 SV_ParticleEffectIndex
3018
3019 ================
3020 */
3021 int SV_ParticleEffectIndex(const char *name)
3022 {
3023         int i, argc, linenumber, effectnameindex;
3024         int filepass;
3025         fs_offset_t filesize;
3026         unsigned char *filedata;
3027         const char *text;
3028         const char *textstart;
3029         //const char *textend;
3030         char argv[16][1024];
3031         char filename[MAX_QPATH];
3032         if (!sv.particleeffectnamesloaded)
3033         {
3034                 sv.particleeffectnamesloaded = true;
3035                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
3036                 for (i = 0;i < EFFECT_TOTAL;i++)
3037                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
3038                 for (filepass = 0;;filepass++)
3039                 {
3040                         if (filepass == 0)
3041                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
3042                         else if (filepass == 1)
3043                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
3044                         else
3045                                 break;
3046                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
3047                         if (!filedata)
3048                                 continue;
3049                         textstart = (const char *)filedata;
3050                         //textend = (const char *)filedata + filesize;
3051                         text = textstart;
3052                         for (linenumber = 1;;linenumber++)
3053                         {
3054                                 argc = 0;
3055                                 for (;;)
3056                                 {
3057                                         if (!COM_ParseToken_Simple(&text, true, false, true) || !strcmp(com_token, "\n"))
3058                                                 break;
3059                                         if (argc < 16)
3060                                         {
3061                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
3062                                                 argc++;
3063                                         }
3064                                 }
3065                                 if (com_token[0] == 0)
3066                                         break; // if the loop exited and it's not a \n, it's EOF
3067                                 if (argc < 1)
3068                                         continue;
3069                                 if (!strcmp(argv[0], "effect"))
3070                                 {
3071                                         if (argc == 2)
3072                                         {
3073                                                 for (effectnameindex = 1;effectnameindex < MAX_PARTICLEEFFECTNAME;effectnameindex++)
3074                                                 {
3075                                                         if (sv.particleeffectname[effectnameindex][0])
3076                                                         {
3077                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
3078                                                                         break;
3079                                                         }
3080                                                         else
3081                                                         {
3082                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
3083                                                                 break;
3084                                                         }
3085                                                 }
3086                                                 // if we run out of names, abort
3087                                                 if (effectnameindex == MAX_PARTICLEEFFECTNAME)
3088                                                 {
3089                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
3090                                                         break;
3091                                                 }
3092                                         }
3093                                 }
3094                         }
3095                         Mem_Free(filedata);
3096                 }
3097         }
3098         // search for the name
3099         for (effectnameindex = 1;effectnameindex < MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
3100                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
3101                         return effectnameindex;
3102         // return 0 if we couldn't find it
3103         return 0;
3104 }
3105
3106 dp_model_t *SV_GetModelByIndex(int modelindex)
3107 {
3108         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3109 }
3110
3111 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
3112 {
3113         prvm_prog_t *prog = SVVM_prog;
3114         int modelindex;
3115         if (!ed || ed->priv.server->free)
3116                 return NULL;
3117         modelindex = (int)PRVM_serveredictfloat(ed, modelindex);
3118         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3119 }
3120
3121 /*
3122 ================
3123 SV_CreateBaseline
3124
3125 ================
3126 */
3127 static void SV_CreateBaseline (void)
3128 {
3129         prvm_prog_t *prog = SVVM_prog;
3130         int i, entnum, large;
3131         prvm_edict_t *svent;
3132
3133         // LadyHavoc: clear *all* baselines (not just active ones)
3134         for (entnum = 0;entnum < prog->max_edicts;entnum++)
3135         {
3136                 // get the current server version
3137                 svent = PRVM_EDICT_NUM(entnum);
3138
3139                 // LadyHavoc: always clear state values, whether the entity is in use or not
3140                 svent->priv.server->baseline = defaultstate;
3141
3142                 if (svent->priv.server->free)
3143                         continue;
3144                 if (entnum > svs.maxclients && !PRVM_serveredictfloat(svent, modelindex))
3145                         continue;
3146
3147                 // create entity baseline
3148                 VectorCopy (PRVM_serveredictvector(svent, origin), svent->priv.server->baseline.origin);
3149                 VectorCopy (PRVM_serveredictvector(svent, angles), svent->priv.server->baseline.angles);
3150                 svent->priv.server->baseline.frame = (int)PRVM_serveredictfloat(svent, frame);
3151                 svent->priv.server->baseline.skin = (int)PRVM_serveredictfloat(svent, skin);
3152                 if (entnum > 0 && entnum <= svs.maxclients)
3153                 {
3154                         svent->priv.server->baseline.colormap = entnum;
3155                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
3156                 }
3157                 else
3158                 {
3159                         svent->priv.server->baseline.colormap = 0;
3160                         svent->priv.server->baseline.modelindex = (int)PRVM_serveredictfloat(svent, modelindex);
3161                 }
3162
3163                 large = false;
3164                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
3165                 {
3166                         large = true;
3167                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3168                                 large = false;
3169                 }
3170
3171                 // add to the message
3172                 if (large)
3173                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
3174                 else
3175                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
3176                 MSG_WriteShort (&sv.signon, entnum);
3177
3178                 if (large)
3179                 {
3180                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3181                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
3182                 }
3183                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3184                 {
3185                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3186                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3187                 }
3188                 else
3189                 {
3190                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
3191                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3192                 }
3193                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
3194                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
3195                 for (i=0 ; i<3 ; i++)
3196                 {
3197                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3198                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3199                 }
3200         }
3201 }
3202
3203 /*
3204 ================
3205 SV_Prepare_CSQC
3206
3207 Load csprogs.dat and comperss it so it doesn't need to be
3208 reloaded on request.
3209 ================
3210 */
3211 static void SV_Prepare_CSQC(void)
3212 {
3213         fs_offset_t progsize;
3214
3215         if(svs.csqc_progdata)
3216         {
3217                 Con_DPrintf("Unloading old CSQC data.\n");
3218                 Mem_Free(svs.csqc_progdata);
3219                 if(svs.csqc_progdata_deflated)
3220                         Mem_Free(svs.csqc_progdata_deflated);
3221         }
3222
3223         svs.csqc_progdata = NULL;
3224         svs.csqc_progdata_deflated = NULL;
3225
3226         sv.csqc_progname[0] = 0;
3227         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3228
3229         if(progsize > 0)
3230         {
3231                 size_t deflated_size;
3232
3233                 sv.csqc_progsize = (int)progsize;
3234                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3235                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3236                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3237
3238                 Con_DPrint("Compressing csprogs.dat\n");
3239                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3240                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3241                 svs.csqc_progsize_deflated = (int)deflated_size;
3242                 if(svs.csqc_progdata_deflated)
3243                 {
3244                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3245                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3246                 }
3247                 else
3248                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3249         }
3250 }
3251
3252 /*
3253 ================
3254 SV_SaveSpawnparms
3255
3256 Grabs the current state of each client for saving across the
3257 transition to another level
3258 ================
3259 */
3260 void SV_SaveSpawnparms (void)
3261 {
3262         prvm_prog_t *prog = SVVM_prog;
3263         int             i, j;
3264
3265         svs.serverflags = (int)PRVM_serverglobalfloat(serverflags);
3266
3267         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3268         {
3269                 if (!host_client->active)
3270                         continue;
3271
3272         // call the progs to get default spawn parms for the new client
3273                 PRVM_serverglobalfloat(time) = sv.time;
3274                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3275                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetChangeParms), "QC function SetChangeParms is missing");
3276                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3277                         host_client->spawn_parms[j] = (&PRVM_serverglobalfloat(parm1))[j];
3278         }
3279 }
3280
3281 /*
3282 ================
3283 SV_SpawnServer
3284
3285 This is called at the start of each level
3286 ================
3287 */
3288
3289 void SV_SpawnServer (const char *server)
3290 {
3291         prvm_prog_t *prog = SVVM_prog;
3292         prvm_edict_t *ent;
3293         int i;
3294         char *entities;
3295         dp_model_t *worldmodel;
3296         char modelname[sizeof(sv.worldname)];
3297         char vabuf[1024];
3298
3299         Con_DPrintf("SpawnServer: %s\n", server);
3300
3301         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3302
3303         if (!FS_FileExists(modelname))
3304         {
3305                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3306                 if (!FS_FileExists(modelname))
3307                 {
3308                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3309                         return;
3310                 }
3311         }
3312
3313 //      SV_LockThreadMutex();
3314
3315         if(cls.state == ca_dedicated)
3316                 Sys_MakeProcessNice();
3317
3318         if (cls.state != ca_dedicated)
3319         {
3320                 SCR_BeginLoadingPlaque(false);
3321                 S_StopAllSounds();
3322         }
3323
3324         if(sv.active)
3325         {
3326                 World_End(&sv.world);
3327                 if(PRVM_serverfunction(SV_Shutdown))
3328                 {
3329                         func_t s = PRVM_serverfunction(SV_Shutdown);
3330                         PRVM_serverglobalfloat(time) = sv.time;
3331                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3332                         prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
3333                 }
3334         }
3335
3336         // free q3 shaders so that any newly downloaded shaders will be active
3337         Mod_FreeQ3Shaders();
3338
3339         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3340         if (!worldmodel || !worldmodel->TraceBox)
3341         {
3342                 Con_Printf("Couldn't load map %s\n", modelname);
3343
3344                 if(cls.state == ca_dedicated)
3345                         Sys_MakeProcessMean();
3346
3347 //              SV_UnlockThreadMutex();
3348
3349                 return;
3350         }
3351
3352         Collision_Cache_Reset(true);
3353
3354         // let's not have any servers with no name
3355         if (hostname.string[0] == 0)
3356                 Cvar_SetQuick(&hostname, "UNNAMED");
3357         scr_centertime_off = 0;
3358
3359         svs.changelevel_issued = false;         // now safe to issue another
3360
3361         // make the map a required file for clients
3362         Curl_ClearRequirements();
3363         Curl_RequireFile(modelname);
3364
3365 //
3366 // tell all connected clients that we are going to a new level
3367 //
3368         if (sv.active)
3369         {
3370                 client_t *client;
3371                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3372                 {
3373                         if (client->netconnection)
3374                         {
3375                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3376                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3377                         }
3378                 }
3379         }
3380         else
3381         {
3382                 // open server port
3383                 NetConn_OpenServerPorts(true);
3384         }
3385
3386 //
3387 // make cvars consistant
3388 //
3389         if (coop.integer)
3390                 Cvar_SetValueQuick(&deathmatch, 0);
3391         // LadyHavoc: it can be useful to have skills outside the range 0-3...
3392         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3393         //Cvar_SetValue ("skill", (float)current_skill);
3394         current_skill = (int)(skill.value + 0.5);
3395
3396 //
3397 // set up the new server
3398 //
3399         memset (&sv, 0, sizeof(sv));
3400         // if running a local client, make sure it doesn't try to access the last
3401         // level's data which is no longer valiud
3402         cls.signon = 0;
3403
3404         Cvar_SetValueQuick(&halflifebsp, worldmodel->brush.ishlbsp);
3405         Cvar_SetValueQuick(&sv_mapformat_is_quake2, worldmodel->brush.isq2bsp);
3406         Cvar_SetValueQuick(&sv_mapformat_is_quake3, worldmodel->brush.isq3bsp);
3407
3408         if(*sv_random_seed.string)
3409         {
3410                 srand(sv_random_seed.integer);
3411                 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);
3412         }
3413
3414         SV_VM_Setup();
3415
3416         sv.active = true;
3417
3418         // set level base name variables for later use
3419         strlcpy (sv.name, server, sizeof (sv.name));
3420         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3421         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3422         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3423         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3424         Cvar_SetQuick(&sv_worldname, sv.worldname);
3425         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3426         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3427
3428         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3429         if (sv.protocol == PROTOCOL_UNKNOWN)
3430         {
3431                 char buffer[1024];
3432                 Protocol_Names(buffer, sizeof(buffer));
3433                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3434                 sv.protocol = PROTOCOL_QUAKE;
3435         }
3436
3437 // load progs to get entity field count
3438         //PR_LoadProgs ( sv_progs.string );
3439
3440         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3441         sv.datagram.cursize = 0;
3442         sv.datagram.data = sv.datagram_buf;
3443
3444         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3445         sv.reliable_datagram.cursize = 0;
3446         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3447
3448         sv.signon.maxsize = sizeof(sv.signon_buf);
3449         sv.signon.cursize = 0;
3450         sv.signon.data = sv.signon_buf;
3451
3452 // leave slots at start for clients only
3453         //prog->num_edicts = svs.maxclients+1;
3454
3455         sv.state = ss_loading;
3456         prog->allowworldwrites = true;
3457         sv.paused = false;
3458
3459         sv.time = 1.0;
3460
3461         Mod_ClearUsed();
3462         worldmodel->used = true;
3463
3464         sv.worldmodel = worldmodel;
3465         sv.models[1] = sv.worldmodel;
3466
3467 //
3468 // clear world interaction links
3469 //
3470         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs, prog);
3471         World_Start(&sv.world);
3472
3473         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3474
3475         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3476         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3477         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3478         {
3479                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3480                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3481         }
3482         if(i < sv.worldmodel->brush.numsubmodels)
3483                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3484
3485 //
3486 // load the rest of the entities
3487 //
3488         // AK possible hack since num_edicts is still 0
3489         ent = PRVM_EDICT_NUM(0);
3490         memset (ent->fields.fp, 0, prog->entityfields * sizeof(prvm_vec_t));
3491         ent->priv.server->free = false;
3492         PRVM_serveredictstring(ent, model) = PRVM_SetEngineString(prog, sv.worldname);
3493         PRVM_serveredictfloat(ent, modelindex) = 1;             // world model
3494         PRVM_serveredictfloat(ent, solid) = SOLID_BSP;
3495         PRVM_serveredictfloat(ent, movetype) = MOVETYPE_PUSH;
3496         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, mins));
3497         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, maxs));
3498         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, absmin));
3499         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, absmax));
3500
3501         if (coop.value)
3502                 PRVM_serverglobalfloat(coop) = coop.integer;
3503         else
3504                 PRVM_serverglobalfloat(deathmatch) = deathmatch.integer;
3505
3506         PRVM_serverglobalstring(mapname) = PRVM_SetEngineString(prog, sv.name);
3507
3508 // serverflags are for cross level information (sigils)
3509         PRVM_serverglobalfloat(serverflags) = svs.serverflags;
3510
3511         // we need to reset the spawned flag on all connected clients here so that
3512         // their thinks don't run during startup (before PutClientInServer)
3513         // we also need to set up the client entities now
3514         // and we need to set the ->edict pointers to point into the progs edicts
3515         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3516         {
3517                 host_client->begun = false;
3518                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3519                 PRVM_ED_ClearEdict(prog, host_client->edict);
3520         }
3521
3522         // load replacement entity file if found
3523         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3524         {
3525                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3526                 PRVM_ED_LoadFromFile(prog, entities);
3527                 Mem_Free(entities);
3528         }
3529         else
3530                 PRVM_ED_LoadFromFile(prog, sv.worldmodel->brush.entities);
3531
3532
3533         // LadyHavoc: clear world angles (to fix e3m3.bsp)
3534         VectorClear(PRVM_serveredictvector(prog->edicts, angles));
3535
3536 // all setup is completed, any further precache statements are errors
3537 //      sv.state = ss_active; // LadyHavoc: workaround for svc_precache bug
3538         prog->allowworldwrites = false;
3539
3540 // run two frames to allow everything to settle
3541         sv.time = 1.0001;
3542         for (i = 0;i < sv_init_frame_count.integer;i++)
3543         {
3544                 sv.frametime = 0.1;
3545                 SV_Physics ();
3546         }
3547
3548         // Once all init frames have been run, we consider svqc code fully initialized.
3549         prog->inittime = host.realtime;
3550
3551         if (cls.state == ca_dedicated)
3552                 Mod_PurgeUnused();
3553
3554 // create a baseline for more efficient communications
3555         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)
3556                 SV_CreateBaseline ();
3557
3558         sv.state = ss_active; // LadyHavoc: workaround for svc_precache bug
3559
3560 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3561         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3562         {
3563                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3564                 if (!host_client->active)
3565                         continue;
3566                 if (host_client->netconnection)
3567                         SV_SendServerinfo(host_client);
3568                 else
3569                 {
3570                         int j;
3571                         // if client is a botclient coming from a level change, we need to
3572                         // set up client info that normally requires networking
3573
3574                         // copy spawn parms out of the client_t
3575                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3576                                 (&PRVM_serverglobalfloat(parm1))[j] = host_client->spawn_parms[j];
3577
3578                         // call the spawn function
3579                         host_client->clientconnectcalled = true;
3580                         PRVM_serverglobalfloat(time) = sv.time;
3581                         PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3582                         prog->ExecuteProgram(prog, PRVM_serverfunction(ClientConnect), "QC function ClientConnect is missing");
3583                         prog->ExecuteProgram(prog, PRVM_serverfunction(PutClientInServer), "QC function PutClientInServer is missing");
3584                         host_client->begun = true;
3585                 }
3586         }
3587
3588         // update the map title cvar
3589         strlcpy(sv.worldmessage, PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)), sizeof(sv.worldmessage)); // map title (not related to filename)
3590         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3591
3592         Con_DPrint("Server spawned.\n");
3593         NetConn_Heartbeat (2);
3594
3595         if(cls.state == ca_dedicated)
3596                 Sys_MakeProcessMean();
3597
3598 //      SV_UnlockThreadMutex();
3599 }
3600
3601 /////////////////////////////////////////////////////
3602 // SV VM stuff
3603
3604 static void SVVM_begin_increase_edicts(prvm_prog_t *prog)
3605 {
3606         // links don't survive the transition, so unlink everything
3607         World_UnlinkAll(&sv.world);
3608 }
3609
3610 static void SVVM_end_increase_edicts(prvm_prog_t *prog)
3611 {
3612         int i;
3613         prvm_edict_t *ent;
3614
3615         // link every entity except world
3616         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3617                 if (!ent->priv.server->free && !VectorCompare(PRVM_serveredictvector(ent, absmin), PRVM_serveredictvector(ent, absmax)))
3618                         SV_LinkEdict(ent);
3619 }
3620
3621 static void SVVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
3622 {
3623         // LadyHavoc: for consistency set these here
3624         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3625
3626         e->priv.server->move = false; // don't move on first frame
3627
3628         if (num >= 0 && num < svs.maxclients)
3629         {
3630                 // set colormap and team on newly created player entity
3631                 PRVM_serveredictfloat(e, colormap) = num + 1;
3632                 PRVM_serveredictfloat(e, team) = (svs.clients[num].colors & 15) + 1;
3633                 // set netname/clientcolors back to client values so that
3634                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3635                 // reset them
3636                 PRVM_serveredictstring(e, netname) = PRVM_SetEngineString(prog, svs.clients[num].name);
3637                 PRVM_serveredictfloat(e, clientcolors) = svs.clients[num].colors;
3638                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3639                 PRVM_serveredictstring(e, playermodel) = PRVM_SetEngineString(prog, svs.clients[num].playermodel);
3640                 PRVM_serveredictstring(e, playerskin) = PRVM_SetEngineString(prog, svs.clients[num].playerskin);
3641                 // Assign netaddress (IP Address, etc)
3642                 if(svs.clients[num].netconnection != NULL)
3643                 {
3644                         // Acquire Readable Address
3645                         LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3646                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, svs.clients[num].netaddress);
3647                 }
3648                 else
3649                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, "null/botclient");
3650                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
3651                         PRVM_serveredictstring(e, crypto_idfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_idfp);
3652                 else
3653                         PRVM_serveredictstring(e, crypto_idfp) = 0;
3654                 PRVM_serveredictfloat(e, crypto_idfp_signed) = (svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_issigned);
3655                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
3656                         PRVM_serveredictstring(e, crypto_keyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_keyfp);
3657                 else
3658                         PRVM_serveredictstring(e, crypto_keyfp) = 0;
3659                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
3660                         PRVM_serveredictstring(e, crypto_mykeyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.server_keyfp);
3661                 else
3662                         PRVM_serveredictstring(e, crypto_mykeyfp) = 0;
3663                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
3664                         PRVM_serveredictstring(e, crypto_encryptmethod) = PRVM_SetEngineString(prog, "AES128");
3665                 else
3666                         PRVM_serveredictstring(e, crypto_encryptmethod) = 0;
3667                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
3668                         PRVM_serveredictstring(e, crypto_signmethod) = PRVM_SetEngineString(prog, "HMAC-SHA256");
3669                 else
3670                         PRVM_serveredictstring(e, crypto_signmethod) = 0;
3671         }
3672 }
3673
3674 static void SVVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
3675 {
3676         int i;
3677         int e;
3678
3679         World_UnlinkEdict(ed);          // unlink from world bsp
3680
3681         PRVM_serveredictstring(ed, model) = 0;
3682         PRVM_serveredictfloat(ed, takedamage) = 0;
3683         PRVM_serveredictfloat(ed, modelindex) = 0;
3684         PRVM_serveredictfloat(ed, colormap) = 0;
3685         PRVM_serveredictfloat(ed, skin) = 0;
3686         PRVM_serveredictfloat(ed, frame) = 0;
3687         VectorClear(PRVM_serveredictvector(ed, origin));
3688         VectorClear(PRVM_serveredictvector(ed, angles));
3689         PRVM_serveredictfloat(ed, nextthink) = -1;
3690         PRVM_serveredictfloat(ed, solid) = 0;
3691
3692         VM_RemoveEdictSkeleton(prog, ed);
3693         World_Physics_RemoveFromEntity(&sv.world, ed);
3694         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3695
3696         // make sure csqc networking is aware of the removed entity
3697         e = PRVM_NUM_FOR_EDICT(ed);
3698         sv.csqcentityversion[e] = 0;
3699         for (i = 0;i < svs.maxclients;i++)
3700                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3701 }
3702
3703 static void SVVM_count_edicts(prvm_prog_t *prog)
3704 {
3705         int             i;
3706         prvm_edict_t    *ent;
3707         int             active, models, solid, step;
3708
3709         active = models = solid = step = 0;
3710         for (i=0 ; i<prog->num_edicts ; i++)
3711         {
3712                 ent = PRVM_EDICT_NUM(i);
3713                 if (ent->priv.server->free)
3714                         continue;
3715                 active++;
3716                 if (PRVM_serveredictfloat(ent, solid))
3717                         solid++;
3718                 if (PRVM_serveredictstring(ent, model))
3719                         models++;
3720                 if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
3721                         step++;
3722         }
3723
3724         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3725         Con_Printf("active    :%3i\n", active);
3726         Con_Printf("view      :%3i\n", models);
3727         Con_Printf("touch     :%3i\n", solid);
3728         Con_Printf("step      :%3i\n", step);
3729 }
3730
3731 static qboolean SVVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
3732 {
3733         // remove things from different skill levels or deathmatch
3734         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3735         {
3736                 if (deathmatch.integer)
3737                 {
3738                         if (((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_DEATHMATCH))
3739                         {
3740                                 return false;
3741                         }
3742                 }
3743                 else if ((current_skill <= 0 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_EASY  ))
3744                         || (current_skill == 1 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_MEDIUM))
3745                         || (current_skill >= 2 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_HARD  )))
3746                 {
3747                         return false;
3748                 }
3749         }
3750         return true;
3751 }
3752
3753 static void SV_VM_Setup(void)
3754 {
3755         prvm_prog_t *prog = SVVM_prog;
3756         PRVM_Prog_Init(prog, &cmd_server);
3757
3758         // allocate the mempools
3759         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3760         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3761         prog->builtins = vm_sv_builtins;
3762         prog->numbuiltins = vm_sv_numbuiltins;
3763         prog->max_edicts = 512;
3764         if (sv.protocol == PROTOCOL_QUAKE)
3765                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3766         else if (sv.protocol == PROTOCOL_QUAKEDP)
3767                 prog->limit_edicts = 2048; // guessing
3768         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3769                 prog->limit_edicts = 2048; // guessing!
3770         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3771                 prog->limit_edicts = 4096; // guessing!
3772         else
3773                 prog->limit_edicts = MAX_EDICTS;
3774         prog->reserved_edicts = svs.maxclients;
3775         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3776         prog->name = "server";
3777         prog->extensionstring = vm_sv_extensions;
3778         prog->loadintoworld = true;
3779
3780         // all callbacks must be defined (pointers are not checked before calling)
3781         prog->begin_increase_edicts = SVVM_begin_increase_edicts;
3782         prog->end_increase_edicts   = SVVM_end_increase_edicts;
3783         prog->init_edict            = SVVM_init_edict;
3784         prog->free_edict            = SVVM_free_edict;
3785         prog->count_edicts          = SVVM_count_edicts;
3786         prog->load_edict            = SVVM_load_edict;
3787         prog->init_cmd              = SVVM_init_cmd;
3788         prog->reset_cmd             = SVVM_reset_cmd;
3789         prog->error_cmd             = Host_Error;
3790         prog->ExecuteProgram        = SVVM_ExecuteProgram;
3791
3792         PRVM_Prog_Load(prog, sv_progs.string, NULL, 0, SV_REQFUNCS, sv_reqfuncs, SV_REQFIELDS, sv_reqfields, SV_REQGLOBALS, sv_reqglobals);
3793
3794         // some mods compiled with scrambling compilers lack certain critical
3795         // global names and field names such as "self" and "time" and "nextthink"
3796         // so we have to set these offsets manually, matching the entvars_t
3797         // but we only do this if the prog header crc matches, otherwise it's totally freeform
3798         if (prog->progs_crc == PROGHEADER_CRC || prog->progs_crc == PROGHEADER_CRC_TENEBRAE)
3799         {
3800                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, modelindex);
3801                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmin);
3802                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmax);
3803                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ltime);
3804                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movetype);
3805                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, solid);
3806                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, origin);
3807                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, oldorigin);
3808                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, velocity);
3809                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3810                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, avelocity);
3811                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, punchangle);
3812                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3813                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, model);
3814                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3815                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, skin);
3816                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, effects);
3817                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, mins);
3818                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, maxs);
3819                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, size);
3820                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, touch);
3821                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, use);
3822                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3823                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, blocked);
3824                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3825                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3826                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, health);
3827                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frags);
3828                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weapon);
3829                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponmodel);
3830                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponframe);
3831                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, currentammo);
3832                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_shells);
3833                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_nails);
3834                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_rockets);
3835                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_cells);
3836                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, items);
3837                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, takedamage);
3838                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3839                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, deadflag);
3840                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, view_ofs);
3841                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button0);
3842                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button1);
3843                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button2);
3844                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, impulse);
3845                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, fixangle);
3846                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, v_angle);
3847                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, idealpitch);
3848                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, netname);
3849                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, enemy);
3850                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, flags);
3851                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, colormap);
3852                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, team);
3853                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, max_health);
3854                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, teleport_time);
3855                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armortype);
3856                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armorvalue);
3857                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, waterlevel);
3858                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, watertype);
3859                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3860                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3861                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, aiment);
3862                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, goalentity);
3863                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, spawnflags);
3864                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, target);
3865                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, targetname);
3866                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_take);
3867                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_save);
3868                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_inflictor);
3869                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, owner);
3870                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movedir);
3871                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, message);
3872                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, sounds);
3873                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise);
3874                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise1);
3875                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise2);
3876                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise3);
3877                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3878                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, other);
3879                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, world);
3880                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3881                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, frametime);
3882                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, force_retouch);
3883                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, mapname);
3884                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, deathmatch);
3885                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, coop);
3886                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, teamplay);
3887                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, serverflags);
3888                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_secrets);
3889                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_monsters);
3890                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, found_secrets);
3891                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, killed_monsters);
3892                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm1);
3893                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm2);
3894                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm3);
3895                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm4);
3896                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm5);
3897                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm6);
3898                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm7);
3899                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm8);
3900                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm9);
3901                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm10);
3902                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm11);
3903                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm12);
3904                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm13);
3905                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm14);
3906                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm15);
3907                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm16);
3908                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3909                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3910                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3911                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3912                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3913                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3914                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3915                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3916                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3917                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3918                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3919                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3920                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, msg_entity);
3921 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, main);
3922 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, StartFrame);
3923 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPreThink);
3924 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPostThink);
3925 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientKill);
3926 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientConnect);
3927 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PutClientInServer);
3928 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientDisconnect);
3929 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetNewParms);
3930 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetChangeParms);
3931         }
3932         else
3933                 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);
3934
3935         // OP_STATE is always supported on server because we add fields/globals for it
3936         prog->flag |= PRVM_OP_STATE;
3937
3938         VM_CustomStats_Clear();//[515]: csqc
3939
3940         SV_Prepare_CSQC();
3941 }
3942
3943 extern cvar_t host_maxwait;
3944 extern cvar_t host_framerate;
3945 static int SV_ThreadFunc(void *voiddata)
3946 {
3947         prvm_prog_t *prog = SVVM_prog;
3948         qboolean playing = false;
3949         double sv_timer = 0;
3950         double sv_deltarealtime, sv_oldrealtime, sv_realtime;
3951         double wait;
3952         int i;
3953         char vabuf[1024];
3954         sv_realtime = Sys_DirtyTime();
3955         while (!svs.threadstop)
3956         {
3957                 // FIXME: we need to handle Host_Error in the server thread somehow
3958 //              if (setjmp(sv_abortframe))
3959 //                      continue;                       // something bad happened in the server game
3960
3961                 sv_oldrealtime = sv_realtime;
3962                 sv_realtime = Sys_DirtyTime();
3963                 sv_deltarealtime = sv_realtime - sv_oldrealtime;
3964                 if (sv_deltarealtime < 0 || sv_deltarealtime >= 1800) sv_deltarealtime = 0;
3965
3966                 sv_timer += sv_deltarealtime;
3967
3968                 svs.perf_acc_realtime += sv_deltarealtime;
3969
3970                 // 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)
3971                 SV_LockThreadMutex();
3972
3973                 // Look for clients who have spawned
3974                 playing = false;
3975                 if (sv.active)
3976                         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3977                                 if(host_client->begun)
3978                                         if(host_client->netconnection)
3979                                                 playing = true;
3980                 if(sv.time < 10)
3981                 {
3982                         // don't accumulate time for the first 10 seconds of a match
3983                         // so things can settle
3984                         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;
3985                 }
3986                 else if(svs.perf_acc_realtime > 5)
3987                 {
3988                         svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
3989                         svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
3990                         if(svs.perf_acc_offset_samples > 0)
3991                         {
3992                                 svs.perf_offset_max = svs.perf_acc_offset_max;
3993                                 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
3994                                 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
3995                         }
3996                         if(svs.perf_lost > 0 && developer_extra.integer)
3997                                 if(playing)
3998                                         Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport(vabuf, sizeof(vabuf)));
3999                         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;
4000                 }
4001
4002                 // get new packets
4003                 if (sv.active)
4004                         NetConn_ServerFrame();
4005
4006                 // if the accumulators haven't become positive yet, wait a while
4007                 wait = sv_timer * -1000000.0;
4008                 if (wait >= 1)
4009                 {
4010                         double time0, delta;
4011                         SV_UnlockThreadMutex(); // don't keep mutex locked while sleeping
4012                         if (host_maxwait.value <= 0)
4013                                 wait = min(wait, 1000000.0);
4014                         else
4015                                 wait = min(wait, host_maxwait.value * 1000.0);
4016                         if(wait < 1)
4017                                 wait = 1; // because we cast to int
4018                         time0 = Sys_DirtyTime();
4019                         Sys_Sleep((int)wait);
4020                         delta = Sys_DirtyTime() - time0;if (delta < 0 || delta >= 1800) delta = 0;
4021                         svs.perf_acc_sleeptime += delta;
4022                         continue;
4023                 }
4024
4025                 if (sv.active && sv_timer > 0)
4026                 {
4027                         // execute one server frame
4028                         double advancetime;
4029                         float offset;
4030
4031                         if (sys_ticrate.value <= 0)
4032                                 advancetime = min(sv_timer, 0.1); // don't step more than 100ms
4033                         else
4034                                 advancetime = sys_ticrate.value;
4035
4036                         if(advancetime > 0)
4037                         {
4038                                 offset = sv_timer + (Sys_DirtyTime() - sv_realtime); // LadyHavoc: FIXME: I don't understand this line
4039                                 ++svs.perf_acc_offset_samples;
4040                                 svs.perf_acc_offset += offset;
4041                                 svs.perf_acc_offset_squared += offset * offset;
4042                                 if(svs.perf_acc_offset_max < offset)
4043                                         svs.perf_acc_offset_max = offset;
4044                         }
4045
4046                         // only advance time if not paused
4047                         // the game also pauses in singleplayer when menu or console is used
4048                         sv.frametime = advancetime * host_timescale.value;
4049                         if (host_framerate.value)
4050                                 sv.frametime = host_framerate.value;
4051                         if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
4052                                 sv.frametime = 0;
4053
4054                         sv_timer -= advancetime;
4055
4056                         // move things around and think unless paused
4057                         if (sv.frametime)
4058                                 SV_Physics();
4059
4060                         // send all messages to the clients
4061                         SV_SendClientMessages();
4062
4063                         if (sv.paused == 1 && sv_realtime > sv.pausedstart && sv.pausedstart > 0)
4064                         {
4065                                 PRVM_serverglobalfloat(time) = sv.time;
4066                                 prog->globals.fp[OFS_PARM0] = sv_realtime - sv.pausedstart;
4067                                 prog->ExecuteProgram(prog, PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
4068                         }
4069
4070                         // send an heartbeat if enough time has passed since the last one
4071                         NetConn_Heartbeat(0);
4072
4073                 }
4074
4075                 // we're back to safe code now
4076                 SV_UnlockThreadMutex();
4077
4078                 // if there is some time remaining from this frame, reset the timers
4079                 if (sv_timer >= 0)
4080                 {
4081                         svs.perf_acc_lost += sv_timer;
4082                         sv_timer = 0;
4083                 }
4084         }
4085         return 0;
4086 }
4087
4088 void SV_StartThread(void)
4089 {
4090         if (!sv_threaded.integer || !Thread_HasThreads())
4091                 return;
4092         svs.threaded = true;
4093         svs.threadstop = false;
4094         svs.threadmutex = Thread_CreateMutex();
4095         svs.thread = Thread_CreateThread(SV_ThreadFunc, NULL);
4096 }
4097
4098 void SV_StopThread(void)
4099 {
4100         if (!svs.threaded)
4101                 return;
4102         svs.threadstop = true;
4103         Thread_WaitThread(svs.thread, 0);
4104         Thread_DestroyMutex(svs.threadmutex);
4105         svs.threaded = false;
4106 }