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
  27 static void SV_SaveEntFile_f(void);
  28 static void SV_StartDownload_f(void);
  29 static void SV_Download_f(void);
  30 static void SV_VM_Setup(void);
  31 extern cvar_t net_connecttimeout;
  32
  33 void VM_CustomStats_Clear (void);
  34 void VM_SV_UpdateCustomStats (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats);
  35
  36 cvar_t sv_worldmessage = {CVAR_READONLY, "sv_worldmessage", "", "title of current level"};
  37 cvar_t sv_worldname = {CVAR_READONLY, "sv_worldname", "", "name of current worldmodel"};
  38 cvar_t sv_worldnamenoextension = {CVAR_READONLY, "sv_worldnamenoextension", "", "name of current worldmodel without extension"};
  39 cvar_t sv_worldbasename = {CVAR_READONLY, "sv_worldbasename", "", "name of current worldmodel without maps/ prefix or extension"};
  40
  41 cvar_t sv_disablenotify = {0, "sv_disablenotify", "1", "suppress broadcast prints when certain cvars are changed (CVAR_NOTIFY flag in engine code)"};
  42 cvar_t coop = {0, "coop","0", "coop mode, 0 = no coop, 1 = coop mode, multiple players playing through the singleplayer game (coop mode also shuts off deathmatch)"};
  43 cvar_t deathmatch = {0, "deathmatch","0", "deathmatch mode, values depend on mod but typically 0 = no deathmatch, 1 = normal deathmatch with respawning weapons, 2 = weapons stay (players can only pick up new weapons)"};
  44 cvar_t fraglimit = {CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
  45 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
  46 cvar_t noexit = {CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
  47 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
  48 cvar_t pausable = {0, "pausable","1", "allow players to pause or not (otherwise, only the server admin can)"};
  49 cvar_t pr_checkextension = {CVAR_READONLY, "pr_checkextension", "1", "indicates to QuakeC that the standard quakec extensions system is available (if 0, quakec should not attempt to use extensions)"};
  50 cvar_t samelevel = {CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
  51 cvar_t skill = {0, "skill","1", "difficulty level of game, affects monster layouts in levels, 0 = easy, 1 = normal, 2 = hard, 3 = nightmare (same layout as hard but monsters fire twice)"};
  52 cvar_t slowmo = {0, "slowmo", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
  53
  54 cvar_t sv_accelerate = {0, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
  55 cvar_t sv_aim = {CVAR_SAVE, "sv_aim", "2", "maximum cosine angle for quake's vertical autoaim, a value above 1 completely disables the autoaim, quake used 0.93"};
  56 cvar_t sv_airaccel_qw = {0, "sv_airaccel_qw", "1", "ratio of QW-style air control as opposed to simple acceleration; when < 0, the speed is clamped against the maximum allowed forward speed after the move"};
  57 cvar_t sv_airaccel_qw_stretchfactor = {0, "sv_airaccel_qw_stretchfactor", "0", "when set, the maximum acceleration increase the player may get compared to forward-acceleration when strafejumping"};
  58 cvar_t sv_airaccel_sideways_friction = {0, "sv_airaccel_sideways_friction", "", "anti-sideways movement stabilization (reduces speed gain when zigzagging); when < 0, only so much friction is applied that braking (by accelerating backwards) cannot be stronger"};
  59 cvar_t sv_airaccelerate = {0, "sv_airaccelerate", "-1", "rate at which a player accelerates to sv_maxairspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
  60 cvar_t sv_airstopaccelerate = {0, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
  61 cvar_t sv_airspeedlimit_nonqw = {0, "sv_airspeedlimit_nonqw", "0", "when set, this is a soft speed limit while in air when using airaccel_qw not equal to 1"};
  62 cvar_t sv_airstrafeaccelerate = {0, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
  63 cvar_t sv_maxairstrafespeed = {0, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
  64 cvar_t sv_airstrafeaccel_qw = {0, "sv_airstrafeaccel_qw", "0", "when set, replacement for sv_airaccel_qw when just strafing"};
  65 cvar_t sv_aircontrol = {0, "sv_aircontrol", "0", "CPMA-style air control"};
  66 cvar_t sv_aircontrol_power = {0, "sv_aircontrol_power", "2", "CPMA-style air control exponent"};
  67 cvar_t sv_aircontrol_penalty = {0, "sv_aircontrol_penalty", "0", "deceleration while using CPMA-style air control"};
  68 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
  69 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
  70 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
  71 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
  72 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
  73 cvar_t sv_areagrid_mingridsize = {CVAR_NOTIFY, "sv_areagrid_mingridsize", "128", "minimum areagrid cell size, smaller values work better for lots of small objects, higher values for large objects"};
  74 cvar_t sv_checkforpacketsduringsleep = {0, "sv_checkforpacketsduringsleep", "0", "uses select() function to wait between frames which can be interrupted by packets being received, instead of Sleep()/usleep()/SDL_Sleep() functions which do not check for packets"};
  75 cvar_t sv_clmovement_enable = {0, "sv_clmovement_enable", "1", "whether to allow clients to use cl_movement prediction, which can cause choppy movement on the server which may annoy other players"};
  76 cvar_t sv_clmovement_minping = {0, "sv_clmovement_minping", "0", "if client ping is below this time in milliseconds, then their ability to use cl_movement prediction is disabled for a while (as they don't need it)"};
  77 cvar_t sv_clmovement_minping_disabletime = {0, "sv_clmovement_minping_disabletime", "1000", "when client falls below minping, disable their prediction for this many milliseconds (should be at least 1000 or else their prediction may turn on/off frequently)"};
  78 cvar_t sv_clmovement_inputtimeout = {0, "sv_clmovement_inputtimeout", "0.2", "when a client does not send input for this many seconds, force them to move anyway (unlike QuakeWorld)"};
  79 cvar_t sv_cullentities_nevercullbmodels = {0, "sv_cullentities_nevercullbmodels", "0", "if enabled the clients are always notified of moving doors and lifts and other submodels of world (warning: eats a lot of network bandwidth on some levels!)"};
  80 cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
  81 cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  82 cvar_t sv_cullentities_trace = {0, "sv_cullentities_trace", "0", "somewhat slow but very tight culling of hidden entities, minimizes network traffic and makes wallhack cheats useless"};
  83 cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  84 cvar_t sv_cullentities_trace_delay_players = {0, "sv_cullentities_trace_delay_players", "0.2", "number of seconds until the entity gets actually culled if it is a player entity"};
  85 cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  86 cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
  87 cvar_t sv_cullentities_trace_prediction_time = {0, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
  88 cvar_t sv_cullentities_trace_entityocclusion = {0, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
  89 cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
  90 cvar_t sv_cullentities_trace_samples_extra = {0, "sv_cullentities_trace_samples_extra", "2", "number of samples to test for entity culling when the entity affects its surroundings by e.g. dlight"};
  91 cvar_t sv_cullentities_trace_samples_players = {0, "sv_cullentities_trace_samples_players", "8", "number of samples to test for entity culling when the entity is a player entity"};
  92 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
  93 cvar_t sv_echobprint = {CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
  94 cvar_t sv_edgefriction = {0, "edgefriction", "1", "how much you slow down when nearing a ledge you might fall off, multiplier of sv_friction (Quake used 2, QuakeWorld used 1 due to a bug in physics code)"};
  95 cvar_t sv_entpatch = {0, "sv_entpatch", "1", "enables loading of .ent files to override entities in the bsp (for example Threewave CTF server pack contains .ent patch files enabling play of CTF on id1 maps)"};
  96 cvar_t sv_fixedframeratesingleplayer = {0, "sv_fixedframeratesingleplayer", "1", "allows you to use server-style timing system in singleplayer (don't run faster than sys_ticrate)"};
  97 cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
  98 cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
  99 cvar_t sv_gameplayfix_blowupfallenzombies = {0, "sv_gameplayfix_blowupfallenzombies", "1", "causes findradius to detect SOLID_NOT entities such as zombies and corpses on the floor, allowing splash damage to apply to them"};
 100 cvar_t sv_gameplayfix_consistentplayerprethink = {0, "sv_gameplayfix_consistentplayerprethink", "0", "improves fairness in multiplayer by running all PlayerPreThink functions (which fire weapons) before performing physics, then running all PlayerPostThink functions"};
 101 cvar_t sv_gameplayfix_delayprojectiles = {0, "sv_gameplayfix_delayprojectiles", "1", "causes entities to not move on the same frame they are spawned, meaning that projectiles wait until the next frame to perform their first move, giving proper interpolation and rocket trails, but making weapons harder to use at low framerates"};
 102 cvar_t sv_gameplayfix_droptofloorstartsolid = {0, "sv_gameplayfix_droptofloorstartsolid", "1", "prevents items and monsters that start in a solid area from falling out of the level (makes droptofloor treat trace_startsolid as an acceptable outcome)"};
 103 cvar_t sv_gameplayfix_droptofloorstartsolid_nudgetocorrect = {0, "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect", "1", "tries to nudge stuck items and monsters out of walls before droptofloor is performed"};
 104 cvar_t sv_gameplayfix_easierwaterjump = {0, "sv_gameplayfix_easierwaterjump", "1", "changes water jumping to make it easier to get out of water (exactly like in QuakeWorld)"};
 105 cvar_t sv_gameplayfix_findradiusdistancetobox = {0, "sv_gameplayfix_findradiusdistancetobox", "1", "causes findradius to check the distance to the corner of a box rather than the center of the box, makes findradius detect bmodels such as very large doors that would otherwise be unaffected by splash damage"};
 106 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
 107 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
 108 cvar_t sv_gameplayfix_multiplethinksperframe = {0, "sv_gameplayfix_multiplethinksperframe", "1", "allows entities to think more often than the server framerate, primarily useful for very high fire rate weapons"};
 109 cvar_t sv_gameplayfix_noairborncorpse = {0, "sv_gameplayfix_noairborncorpse", "1", "causes entities (corpses, items, etc) sitting ontop of moving entities (players) to fall when the moving entity (player) is no longer supporting them"};
 110 cvar_t sv_gameplayfix_noairborncorpse_allowsuspendeditems = {0, "sv_gameplayfix_noairborncorpse_allowsuspendeditems", "1", "causes entities sitting ontop of objects that are instantaneously remove to float in midair (special hack to allow a common level design trick for floating items)"};
 111 cvar_t sv_gameplayfix_nudgeoutofsolid = {0, "sv_gameplayfix_nudgeoutofsolid", "0", "attempts to fix physics errors (where an object ended up in solid for some reason)"};
 112 cvar_t sv_gameplayfix_nudgeoutofsolid_separation = {0, "sv_gameplayfix_nudgeoutofsolid_separation", "0.03125", "keep objects this distance apart to prevent collision issues on seams"};
 113 cvar_t sv_gameplayfix_q2airaccelerate = {0, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
 114 cvar_t sv_gameplayfix_nogravityonground = {0, "sv_gameplayfix_nogravityonground", "0", "turn off gravity when on ground (to get rid of sliding)"};
 115 cvar_t sv_gameplayfix_setmodelrealbox = {0, "sv_gameplayfix_setmodelrealbox", "1", "fixes a bug in Quake that made setmodel always set the entity box to ('-16 -16 -16', '16 16 16') rather than properly checking the model box, breaks some poorly coded mods"};
 116 cvar_t sv_gameplayfix_slidemoveprojectiles = {0, "sv_gameplayfix_slidemoveprojectiles", "1", "allows MOVETYPE_FLY/FLYMISSILE/TOSS/BOUNCE/BOUNCEMISSILE entities to finish their move in a frame even if they hit something, fixes 'gravity accumulation' bug for grenades on steep slopes"};
 117 cvar_t sv_gameplayfix_stepdown = {0, "sv_gameplayfix_stepdown", "0", "attempts to step down stairs, not just up them (prevents the familiar thud..thud..thud.. when running down stairs and slopes)"};
 118 cvar_t sv_gameplayfix_stepwhilejumping = {0, "sv_gameplayfix_stepwhilejumping", "1", "applies step-up onto a ledge even while airborn, useful if you would otherwise just-miss the floor when running across small areas with gaps (for instance running across the moving platforms in dm2, or jumping to the megahealth and red armor in dm2 rather than using the bridge)"};
 119 cvar_t sv_gameplayfix_stepmultipletimes = {0, "sv_gameplayfix_stepmultipletimes", "0", "applies step-up onto a ledge more than once in a single frame, when running quickly up stairs"};
 120 cvar_t sv_gameplayfix_nostepmoveonsteepslopes = {0, "sv_gameplayfix_nostepmoveonsteepslopes", "0", "grude fix which prevents MOVETYPE_STEP (not swimming or flying) to move on slopes whose angle is bigger than 45 degree"};
 121 cvar_t sv_gameplayfix_swiminbmodels = {0, "sv_gameplayfix_swiminbmodels", "1", "causes pointcontents (used to determine if you are in a liquid) to check bmodel entities as well as the world model, so you can swim around in (possibly moving) water bmodel entities"};
 122 cvar_t sv_gameplayfix_upwardvelocityclearsongroundflag = {0, "sv_gameplayfix_upwardvelocityclearsongroundflag", "1", "prevents monsters, items, and most other objects from being stuck to the floor when pushed around by damage, and other situations in mods"};
 123 cvar_t sv_gameplayfix_downtracesupportsongroundflag = {0, "sv_gameplayfix_downtracesupportsongroundflag", "1", "prevents very short moves from clearing onground (which may make the player stick to the floor at high netfps)"};
 124 cvar_t sv_gameplayfix_q1bsptracelinereportstexture = {0, "sv_gameplayfix_q1bsptracelinereportstexture", "1", "enables mods to get accurate trace_texture results on q1bsp by using a surface-hitting traceline implementation rather than the standard solidbsp method, q3bsp always reports texture accurately"};
 125 cvar_t sv_gameplayfix_unstickplayers = {0, "sv_gameplayfix_unstickplayers", "1", "big hack to try and fix the rare case of MOVETYPE_WALK entities getting stuck in the world clipping hull."};
 126 cvar_t sv_gameplayfix_unstickentities = {0, "sv_gameplayfix_unstickentities", "1", "hack to check if entities are crossing world collision hull and try to move them to the right position"};
 127 cvar_t sv_gameplayfix_fixedcheckwatertransition = {0, "sv_gameplayfix_fixedcheckwatertransition", "1", "fix two very stupid bugs in SV_CheckWaterTransition when watertype is CONTENTS_EMPTY (the bugs causes waterlevel to be 1 on first frame, -1 on second frame - the fix makes it 0 on both frames)"};
 128 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 129 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 130 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
 131 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 132 cvar_t sv_maxairspeed = {0, "sv_maxairspeed", "30", "maximum speed a player can accelerate to when airborn (note that it is possible to completely stop by moving the opposite direction)"};
 133 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 134 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 135 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 136 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 137 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 138 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 139 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 140 cvar_t sv_random_seed = {0, "sv_random_seed", "", "random seed; when set, on every map start this random seed is used to initialize the random number generator. Don't touch it unless for benchmarking or debugging"};
 141 cvar_t sv_ratelimitlocalplayer = {0, "sv_ratelimitlocalplayer", "0", "whether to apply rate limiting to the local player in a listen server (only useful for testing)"};
 142 cvar_t sv_sound_land = {0, "sv_sound_land", "demon/dland2.wav", "sound to play when MOVETYPE_STEP entity hits the ground at high speed (empty cvar disables the sound)"};
 143 cvar_t sv_sound_watersplash = {0, "sv_sound_watersplash", "misc/h2ohit1.wav", "sound to play when MOVETYPE_FLY/TOSS/BOUNCE/STEP entity enters or leaves water (empty cvar disables the sound)"};
 144 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 145 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 146 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 147 cvar_t sv_wateraccelerate = {0, "sv_wateraccelerate", "-1", "rate at which a player accelerates to sv_maxspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
 148 cvar_t sv_waterfriction = {CVAR_NOTIFY, "sv_waterfriction","-1", "how fast you slow down, if less than 0 the sv_friction variable is used instead"};
 149 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 150 cvar_t sv_warsowbunny_accel = {0, "sv_warsowbunny_accel", "0.1585", "how fast you accelerate until after reaching sv_maxspeed (it gets harder as you near sv_warsowbunny_topspeed)"};
 151 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 152 cvar_t sv_warsowbunny_turnaccel = {0, "sv_warsowbunny_turnaccel", "0", "max sharpness of turns (also master switch for the sv_warsowbunny_* mode; set this to 9 to enable)"};
 153 cvar_t sv_warsowbunny_backtosideratio = {0, "sv_warsowbunny_backtosideratio", "0.8", "lower values make it easier to change direction without losing speed; the drawback is \"understeering\" in sharp turns"};
 154 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
 155 cvar_t sv_areadebug = {0, "sv_areadebug", "0", "disables physics culling for debugging purposes (only for development)"};
 156 cvar_t sys_ticrate = {CVAR_SAVE, "sys_ticrate","0.0138889", "how long a server frame is in seconds, 0.05 is 20fps server rate, 0.1 is 10fps (can not be set higher than 0.1), 0 runs as many server frames as possible (makes games against bots a little smoother, overwhelms network players), 0.0138889 matches QuakeWorld physics"};
 157 cvar_t teamplay = {CVAR_NOTIFY, "teamplay","0", "teamplay mode, values depend on mod but typically 0 = no teams, 1 = no team damage no self damage, 2 = team damage and self damage, some mods support 3 = no team damage but can damage self"};
 158 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 159
 160 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 161 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 162 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 163 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 164 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 165 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 166 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 167 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 168 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 169 cvar_t temp1 = {0, "temp1","0", "general cvar for mods to use, in stock id1 this selects which death animation to use on players (0 = random death, other values select specific death scenes)"};
 170
 171 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 172 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 173 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 174 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 175 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 176 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 177 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 178 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 179 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 180 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 181 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 182 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 183 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 184 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 185 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 186 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 187 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 188 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 189 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 190 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 191 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 192
 193 cvar_t sv_autodemo_perclient = {CVAR_SAVE, "sv_autodemo_perclient", "0", "set to 1 to enable autorecorded per-client demos (they'll start to record at the beginning of a match); set it to 2 to also record client->server packets (for debugging)"};
 194 cvar_t sv_autodemo_perclient_nameformat = {CVAR_SAVE, "sv_autodemo_perclient_nameformat", "sv_autodemos/%Y-%m-%d_%H-%M", "The format of the sv_autodemo_perclient filename, followed by the map name, the client number and the IP address + port number, separated by underscores (the date is encoded using strftime escapes)" };
 195 cvar_t sv_autodemo_perclient_discardable = {CVAR_SAVE, "sv_autodemo_perclient_discardable", "0", "Allow game code to decide whether a demo should be kept or discarded."};
 196
 197 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 198
 199 server_t sv;
 200 server_static_t svs;
 201
 202 mempool_t *sv_mempool = NULL;
 203
 204 extern cvar_t slowmo;
 205 extern float            scr_centertime_off;
 206
 207 // MUST match effectnameindex_t in client.h
 208 static const char *standardeffectnames[EFFECT_TOTAL] =
 209 {
 210         "",
 211         "TE_GUNSHOT",
 212         "TE_GUNSHOTQUAD",
 213         "TE_SPIKE",
 214         "TE_SPIKEQUAD",
 215         "TE_SUPERSPIKE",
 216         "TE_SUPERSPIKEQUAD",
 217         "TE_WIZSPIKE",
 218         "TE_KNIGHTSPIKE",
 219         "TE_EXPLOSION",
 220         "TE_EXPLOSIONQUAD",
 221         "TE_TAREXPLOSION",
 222         "TE_TELEPORT",
 223         "TE_LAVASPLASH",
 224         "TE_SMALLFLASH",
 225         "TE_FLAMEJET",
 226         "EF_FLAME",
 227         "TE_BLOOD",
 228         "TE_SPARK",
 229         "TE_PLASMABURN",
 230         "TE_TEI_G3",
 231         "TE_TEI_SMOKE",
 232         "TE_TEI_BIGEXPLOSION",
 233         "TE_TEI_PLASMAHIT",
 234         "EF_STARDUST",
 235         "TR_ROCKET",
 236         "TR_GRENADE",
 237         "TR_BLOOD",
 238         "TR_WIZSPIKE",
 239         "TR_SLIGHTBLOOD",
 240         "TR_KNIGHTSPIKE",
 241         "TR_VORESPIKE",
 242         "TR_NEHAHRASMOKE",
 243         "TR_NEXUIZPLASMA",
 244         "TR_GLOWTRAIL",
 245         "SVC_PARTICLE"
 246 };
 247
 248 #define SV_REQFUNCS 0
 249 #define sv_reqfuncs NULL
 250
 251 //#define SV_REQFUNCS (sizeof(sv_reqfuncs) / sizeof(const char *))
 252 //static const char *sv_reqfuncs[] = {
 253 //};
 254
 255 #define SV_REQFIELDS (sizeof(sv_reqfields) / sizeof(prvm_required_field_t))
 256
 257 prvm_required_field_t sv_reqfields[] =
 258 {
 259 #define PRVM_DECLARE_serverglobalfloat(x)
 260 #define PRVM_DECLARE_serverglobalvector(x)
 261 #define PRVM_DECLARE_serverglobalstring(x)
 262 #define PRVM_DECLARE_serverglobaledict(x)
 263 #define PRVM_DECLARE_serverglobalfunction(x)
 264 #define PRVM_DECLARE_clientglobalfloat(x)
 265 #define PRVM_DECLARE_clientglobalvector(x)
 266 #define PRVM_DECLARE_clientglobalstring(x)
 267 #define PRVM_DECLARE_clientglobaledict(x)
 268 #define PRVM_DECLARE_clientglobalfunction(x)
 269 #define PRVM_DECLARE_menuglobalfloat(x)
 270 #define PRVM_DECLARE_menuglobalvector(x)
 271 #define PRVM_DECLARE_menuglobalstring(x)
 272 #define PRVM_DECLARE_menuglobaledict(x)
 273 #define PRVM_DECLARE_menuglobalfunction(x)
 274 #define PRVM_DECLARE_serverfieldfloat(x) {ev_float, #x},
 275 #define PRVM_DECLARE_serverfieldvector(x) {ev_vector, #x},
 276 #define PRVM_DECLARE_serverfieldstring(x) {ev_string, #x},
 277 #define PRVM_DECLARE_serverfieldedict(x) {ev_entity, #x},
 278 #define PRVM_DECLARE_serverfieldfunction(x) {ev_function, #x},
 279 #define PRVM_DECLARE_clientfieldfloat(x)
 280 #define PRVM_DECLARE_clientfieldvector(x)
 281 #define PRVM_DECLARE_clientfieldstring(x)
 282 #define PRVM_DECLARE_clientfieldedict(x)
 283 #define PRVM_DECLARE_clientfieldfunction(x)
 284 #define PRVM_DECLARE_menufieldfloat(x)
 285 #define PRVM_DECLARE_menufieldvector(x)
 286 #define PRVM_DECLARE_menufieldstring(x)
 287 #define PRVM_DECLARE_menufieldedict(x)
 288 #define PRVM_DECLARE_menufieldfunction(x)
 289 #define PRVM_DECLARE_serverfunction(x)
 290 #define PRVM_DECLARE_clientfunction(x)
 291 #define PRVM_DECLARE_menufunction(x)
 292 #define PRVM_DECLARE_field(x)
 293 #define PRVM_DECLARE_global(x)
 294 #define PRVM_DECLARE_function(x)
 295 #include "prvm_offsets.h"
 296 #undef PRVM_DECLARE_serverglobalfloat
 297 #undef PRVM_DECLARE_serverglobalvector
 298 #undef PRVM_DECLARE_serverglobalstring
 299 #undef PRVM_DECLARE_serverglobaledict
 300 #undef PRVM_DECLARE_serverglobalfunction
 301 #undef PRVM_DECLARE_clientglobalfloat
 302 #undef PRVM_DECLARE_clientglobalvector
 303 #undef PRVM_DECLARE_clientglobalstring
 304 #undef PRVM_DECLARE_clientglobaledict
 305 #undef PRVM_DECLARE_clientglobalfunction
 306 #undef PRVM_DECLARE_menuglobalfloat
 307 #undef PRVM_DECLARE_menuglobalvector
 308 #undef PRVM_DECLARE_menuglobalstring
 309 #undef PRVM_DECLARE_menuglobaledict
 310 #undef PRVM_DECLARE_menuglobalfunction
 311 #undef PRVM_DECLARE_serverfieldfloat
 312 #undef PRVM_DECLARE_serverfieldvector
 313 #undef PRVM_DECLARE_serverfieldstring
 314 #undef PRVM_DECLARE_serverfieldedict
 315 #undef PRVM_DECLARE_serverfieldfunction
 316 #undef PRVM_DECLARE_clientfieldfloat
 317 #undef PRVM_DECLARE_clientfieldvector
 318 #undef PRVM_DECLARE_clientfieldstring
 319 #undef PRVM_DECLARE_clientfieldedict
 320 #undef PRVM_DECLARE_clientfieldfunction
 321 #undef PRVM_DECLARE_menufieldfloat
 322 #undef PRVM_DECLARE_menufieldvector
 323 #undef PRVM_DECLARE_menufieldstring
 324 #undef PRVM_DECLARE_menufieldedict
 325 #undef PRVM_DECLARE_menufieldfunction
 326 #undef PRVM_DECLARE_serverfunction
 327 #undef PRVM_DECLARE_clientfunction
 328 #undef PRVM_DECLARE_menufunction
 329 #undef PRVM_DECLARE_field
 330 #undef PRVM_DECLARE_global
 331 #undef PRVM_DECLARE_function
 332 };
 333
 334 #define SV_REQGLOBALS (sizeof(sv_reqglobals) / sizeof(prvm_required_field_t))
 335
 336 prvm_required_field_t sv_reqglobals[] =
 337 {
 338 #define PRVM_DECLARE_serverglobalfloat(x) {ev_float, #x},
 339 #define PRVM_DECLARE_serverglobalvector(x) {ev_vector, #x},
 340 #define PRVM_DECLARE_serverglobalstring(x) {ev_string, #x},
 341 #define PRVM_DECLARE_serverglobaledict(x) {ev_entity, #x},
 342 #define PRVM_DECLARE_serverglobalfunction(x) {ev_function, #x},
 343 #define PRVM_DECLARE_clientglobalfloat(x)
 344 #define PRVM_DECLARE_clientglobalvector(x)
 345 #define PRVM_DECLARE_clientglobalstring(x)
 346 #define PRVM_DECLARE_clientglobaledict(x)
 347 #define PRVM_DECLARE_clientglobalfunction(x)
 348 #define PRVM_DECLARE_menuglobalfloat(x)
 349 #define PRVM_DECLARE_menuglobalvector(x)
 350 #define PRVM_DECLARE_menuglobalstring(x)
 351 #define PRVM_DECLARE_menuglobaledict(x)
 352 #define PRVM_DECLARE_menuglobalfunction(x)
 353 #define PRVM_DECLARE_serverfieldfloat(x)
 354 #define PRVM_DECLARE_serverfieldvector(x)
 355 #define PRVM_DECLARE_serverfieldstring(x)
 356 #define PRVM_DECLARE_serverfieldedict(x)
 357 #define PRVM_DECLARE_serverfieldfunction(x)
 358 #define PRVM_DECLARE_clientfieldfloat(x)
 359 #define PRVM_DECLARE_clientfieldvector(x)
 360 #define PRVM_DECLARE_clientfieldstring(x)
 361 #define PRVM_DECLARE_clientfieldedict(x)
 362 #define PRVM_DECLARE_clientfieldfunction(x)
 363 #define PRVM_DECLARE_menufieldfloat(x)
 364 #define PRVM_DECLARE_menufieldvector(x)
 365 #define PRVM_DECLARE_menufieldstring(x)
 366 #define PRVM_DECLARE_menufieldedict(x)
 367 #define PRVM_DECLARE_menufieldfunction(x)
 368 #define PRVM_DECLARE_serverfunction(x)
 369 #define PRVM_DECLARE_clientfunction(x)
 370 #define PRVM_DECLARE_menufunction(x)
 371 #define PRVM_DECLARE_field(x)
 372 #define PRVM_DECLARE_global(x)
 373 #define PRVM_DECLARE_function(x)
 374 #include "prvm_offsets.h"
 375 #undef PRVM_DECLARE_serverglobalfloat
 376 #undef PRVM_DECLARE_serverglobalvector
 377 #undef PRVM_DECLARE_serverglobalstring
 378 #undef PRVM_DECLARE_serverglobaledict
 379 #undef PRVM_DECLARE_serverglobalfunction
 380 #undef PRVM_DECLARE_clientglobalfloat
 381 #undef PRVM_DECLARE_clientglobalvector
 382 #undef PRVM_DECLARE_clientglobalstring
 383 #undef PRVM_DECLARE_clientglobaledict
 384 #undef PRVM_DECLARE_clientglobalfunction
 385 #undef PRVM_DECLARE_menuglobalfloat
 386 #undef PRVM_DECLARE_menuglobalvector
 387 #undef PRVM_DECLARE_menuglobalstring
 388 #undef PRVM_DECLARE_menuglobaledict
 389 #undef PRVM_DECLARE_menuglobalfunction
 390 #undef PRVM_DECLARE_serverfieldfloat
 391 #undef PRVM_DECLARE_serverfieldvector
 392 #undef PRVM_DECLARE_serverfieldstring
 393 #undef PRVM_DECLARE_serverfieldedict
 394 #undef PRVM_DECLARE_serverfieldfunction
 395 #undef PRVM_DECLARE_clientfieldfloat
 396 #undef PRVM_DECLARE_clientfieldvector
 397 #undef PRVM_DECLARE_clientfieldstring
 398 #undef PRVM_DECLARE_clientfieldedict
 399 #undef PRVM_DECLARE_clientfieldfunction
 400 #undef PRVM_DECLARE_menufieldfloat
 401 #undef PRVM_DECLARE_menufieldvector
 402 #undef PRVM_DECLARE_menufieldstring
 403 #undef PRVM_DECLARE_menufieldedict
 404 #undef PRVM_DECLARE_menufieldfunction
 405 #undef PRVM_DECLARE_serverfunction
 406 #undef PRVM_DECLARE_clientfunction
 407 #undef PRVM_DECLARE_menufunction
 408 #undef PRVM_DECLARE_field
 409 #undef PRVM_DECLARE_global
 410 #undef PRVM_DECLARE_function
 411 };
 412
 413
 414
 415 //============================================================================
 416
 417 void SV_AreaStats_f(void)
 418 {
 419         World_PrintAreaStats(&sv.world, "server");
 420 }
 421
 422 /*
 423 ===============
 424 SV_Init
 425 ===============
 426 */
 427 void SV_Init (void)
 428 {
 429         // init the csqc progs cvars, since they are updated/used by the server code
 430         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 431         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 432         extern cvar_t csqc_progcrc;
 433         extern cvar_t csqc_progsize;
 434         extern cvar_t csqc_usedemoprogs;
 435
 436         Cvar_RegisterVariable(&sv_worldmessage);
 437         Cvar_RegisterVariable(&sv_worldname);
 438         Cvar_RegisterVariable(&sv_worldnamenoextension);
 439         Cvar_RegisterVariable(&sv_worldbasename);
 440
 441         Cvar_RegisterVariable (&csqc_progname);
 442         Cvar_RegisterVariable (&csqc_progcrc);
 443         Cvar_RegisterVariable (&csqc_progsize);
 444         Cvar_RegisterVariable (&csqc_usedemoprogs);
 445
 446         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 447         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 448         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 449         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
 450
 451         Cvar_RegisterVariable (&sv_disablenotify);
 452         Cvar_RegisterVariable (&coop);
 453         Cvar_RegisterVariable (&deathmatch);
 454         Cvar_RegisterVariable (&fraglimit);
 455         Cvar_RegisterVariable (&gamecfg);
 456         Cvar_RegisterVariable (&noexit);
 457         Cvar_RegisterVariable (&nomonsters);
 458         Cvar_RegisterVariable (&pausable);
 459         Cvar_RegisterVariable (&pr_checkextension);
 460         Cvar_RegisterVariable (&samelevel);
 461         Cvar_RegisterVariable (&skill);
 462         Cvar_RegisterVariable (&slowmo);
 463         Cvar_RegisterVariable (&sv_accelerate);
 464         Cvar_RegisterVariable (&sv_aim);
 465         Cvar_RegisterVariable (&sv_airaccel_qw);
 466         Cvar_RegisterVariable (&sv_airaccel_qw_stretchfactor);
 467         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 468         Cvar_RegisterVariable (&sv_airaccelerate);
 469         Cvar_RegisterVariable (&sv_airstopaccelerate);
 470         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 471         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 472         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
 473         Cvar_RegisterVariable (&sv_airspeedlimit_nonqw);
 474         Cvar_RegisterVariable (&sv_aircontrol);
 475         Cvar_RegisterVariable (&sv_aircontrol_power);
 476         Cvar_RegisterVariable (&sv_aircontrol_penalty);
 477         Cvar_RegisterVariable (&sv_allowdownloads);
 478         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 479         Cvar_RegisterVariable (&sv_allowdownloads_config);
 480         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 481         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 482         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 483         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 484         Cvar_RegisterVariable (&sv_clmovement_enable);
 485         Cvar_RegisterVariable (&sv_clmovement_minping);
 486         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 487         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 488         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 489         Cvar_RegisterVariable (&sv_cullentities_pvs);
 490         Cvar_RegisterVariable (&sv_cullentities_stats);
 491         Cvar_RegisterVariable (&sv_cullentities_trace);
 492         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 493         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 494         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 495         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 496         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 497         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 498         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 499         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 500         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 501         Cvar_RegisterVariable (&sv_debugmove);
 502         Cvar_RegisterVariable (&sv_echobprint);
 503         Cvar_RegisterVariable (&sv_edgefriction);
 504         Cvar_RegisterVariable (&sv_entpatch);
 505         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 506         Cvar_RegisterVariable (&sv_freezenonclients);
 507         Cvar_RegisterVariable (&sv_friction);
 508         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 509         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
 510         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 511         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 512         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 513         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 514         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 515         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 516         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 517         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 518         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 519         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 520         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
 521         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_separation);
 522         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 523         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
 524         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 525         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 526         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 527         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
 528         Cvar_RegisterVariable (&sv_gameplayfix_stepmultipletimes);
 529         Cvar_RegisterVariable (&sv_gameplayfix_nostepmoveonsteepslopes);
 530         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 531         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 532         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
 533         Cvar_RegisterVariable (&sv_gameplayfix_q1bsptracelinereportstexture);
 534         Cvar_RegisterVariable (&sv_gameplayfix_unstickplayers);
 535         Cvar_RegisterVariable (&sv_gameplayfix_unstickentities);
 536         Cvar_RegisterVariable (&sv_gameplayfix_fixedcheckwatertransition);
 537         Cvar_RegisterVariable (&sv_gravity);
 538         Cvar_RegisterVariable (&sv_idealpitchscale);
 539         Cvar_RegisterVariable (&sv_jumpstep);
 540         Cvar_RegisterVariable (&sv_jumpvelocity);
 541         Cvar_RegisterVariable (&sv_maxairspeed);
 542         Cvar_RegisterVariable (&sv_maxrate);
 543         Cvar_RegisterVariable (&sv_maxspeed);
 544         Cvar_RegisterVariable (&sv_maxvelocity);
 545         Cvar_RegisterVariable (&sv_nostep);
 546         Cvar_RegisterVariable (&sv_playerphysicsqc);
 547         Cvar_RegisterVariable (&sv_progs);
 548         Cvar_RegisterVariable (&sv_protocolname);
 549         Cvar_RegisterVariable (&sv_random_seed);
 550         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
 551         Cvar_RegisterVariable (&sv_sound_land);
 552         Cvar_RegisterVariable (&sv_sound_watersplash);
 553         Cvar_RegisterVariable (&sv_stepheight);
 554         Cvar_RegisterVariable (&sv_stopspeed);
 555         Cvar_RegisterVariable (&sv_wallfriction);
 556         Cvar_RegisterVariable (&sv_wateraccelerate);
 557         Cvar_RegisterVariable (&sv_waterfriction);
 558         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 559         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 560         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 561         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 562         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 563         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 564         Cvar_RegisterVariable (&sv_areadebug);
 565         Cvar_RegisterVariable (&sys_ticrate);
 566         Cvar_RegisterVariable (&teamplay);
 567         Cvar_RegisterVariable (&timelimit);
 568
 569         Cvar_RegisterVariable (&saved1);
 570         Cvar_RegisterVariable (&saved2);
 571         Cvar_RegisterVariable (&saved3);
 572         Cvar_RegisterVariable (&saved4);
 573         Cvar_RegisterVariable (&savedgamecfg);
 574         Cvar_RegisterVariable (&scratch1);
 575         Cvar_RegisterVariable (&scratch2);
 576         Cvar_RegisterVariable (&scratch3);
 577         Cvar_RegisterVariable (&scratch4);
 578         Cvar_RegisterVariable (&temp1);
 579
 580         // LordHavoc: Nehahra uses these to pass data around cutscene demos
 581         Cvar_RegisterVariable (&nehx00);
 582         Cvar_RegisterVariable (&nehx01);
 583         Cvar_RegisterVariable (&nehx02);
 584         Cvar_RegisterVariable (&nehx03);
 585         Cvar_RegisterVariable (&nehx04);
 586         Cvar_RegisterVariable (&nehx05);
 587         Cvar_RegisterVariable (&nehx06);
 588         Cvar_RegisterVariable (&nehx07);
 589         Cvar_RegisterVariable (&nehx08);
 590         Cvar_RegisterVariable (&nehx09);
 591         Cvar_RegisterVariable (&nehx10);
 592         Cvar_RegisterVariable (&nehx11);
 593         Cvar_RegisterVariable (&nehx12);
 594         Cvar_RegisterVariable (&nehx13);
 595         Cvar_RegisterVariable (&nehx14);
 596         Cvar_RegisterVariable (&nehx15);
 597         Cvar_RegisterVariable (&nehx16);
 598         Cvar_RegisterVariable (&nehx17);
 599         Cvar_RegisterVariable (&nehx18);
 600         Cvar_RegisterVariable (&nehx19);
 601         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 602
 603         Cvar_RegisterVariable (&sv_autodemo_perclient);
 604         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 605         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
 606
 607         Cvar_RegisterVariable (&halflifebsp);
 608
 609         sv_mempool = Mem_AllocPool("server", 0, NULL);
 610 }
 611
 612 static void SV_SaveEntFile_f(void)
 613 {
 614         if (!sv.active || !sv.worldmodel)
 615         {
 616                 Con_Print("Not running a server\n");
 617                 return;
 618         }
 619         FS_WriteFile(va("%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 620 }
 621
 622
 623 /*
 624 =============================================================================
 625
 626 EVENT MESSAGES
 627
 628 =============================================================================
 629 */
 630
 631 /*
 632 ==================
 633 SV_StartParticle
 634
 635 Make sure the event gets sent to all clients
 636 ==================
 637 */
 638 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 639 {
 640         int i;
 641
 642         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 643                 return;
 644         MSG_WriteByte (&sv.datagram, svc_particle);
 645         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 646         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 647         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 648         for (i=0 ; i<3 ; i++)
 649                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 650         MSG_WriteByte (&sv.datagram, count);
 651         MSG_WriteByte (&sv.datagram, color);
 652         SV_FlushBroadcastMessages();
 653 }
 654
 655 /*
 656 ==================
 657 SV_StartEffect
 658
 659 Make sure the event gets sent to all clients
 660 ==================
 661 */
 662 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 663 {
 664         if (modelindex >= 256 || startframe >= 256)
 665         {
 666                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 667                         return;
 668                 MSG_WriteByte (&sv.datagram, svc_effect2);
 669                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 670                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 671                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 672                 MSG_WriteShort (&sv.datagram, modelindex);
 673                 MSG_WriteShort (&sv.datagram, startframe);
 674                 MSG_WriteByte (&sv.datagram, framecount);
 675                 MSG_WriteByte (&sv.datagram, framerate);
 676         }
 677         else
 678         {
 679                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 680                         return;
 681                 MSG_WriteByte (&sv.datagram, svc_effect);
 682                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 683                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 684                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 685                 MSG_WriteByte (&sv.datagram, modelindex);
 686                 MSG_WriteByte (&sv.datagram, startframe);
 687                 MSG_WriteByte (&sv.datagram, framecount);
 688                 MSG_WriteByte (&sv.datagram, framerate);
 689         }
 690         SV_FlushBroadcastMessages();
 691 }
 692
 693 /*
 694 ==================
 695 SV_StartSound
 696
 697 Each entity can have eight independant sound sources, like voice,
 698 weapon, feet, etc.
 699
 700 Channel 0 is an auto-allocate channel, the others override anything
 701 already running on that entity/channel pair.
 702
 703 An attenuation of 0 will play full volume everywhere in the level.
 704 Larger attenuations will drop off.  (max 4 attenuation)
 705
 706 ==================
 707 */
 708 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation, qboolean reliable, float speed)
 709 {
 710         sizebuf_t *dest;
 711         int sound_num, field_mask, i, ent, speed4000;
 712
 713         dest = (reliable ? &sv.reliable_datagram : &sv.datagram);
 714
 715         if (volume < 0 || volume > 255)
 716         {
 717                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
 718                 return;
 719         }
 720
 721         if (attenuation < 0 || attenuation > 4)
 722         {
 723                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 724                 return;
 725         }
 726
 727         if (!IS_CHAN(channel))
 728         {
 729                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 730                 return;
 731         }
 732
 733         channel = CHAN_ENGINE2NET(channel);
 734
 735         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 736                 return;
 737
 738 // find precache number for sound
 739         sound_num = SV_SoundIndex(sample, 1);
 740         if (!sound_num)
 741                 return;
 742
 743         ent = PRVM_NUM_FOR_EDICT(entity);
 744
 745         speed4000 = (int)floor(speed * 4000.0f + 0.5f);
 746         field_mask = 0;
 747         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 748                 field_mask |= SND_VOLUME;
 749         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 750                 field_mask |= SND_ATTENUATION;
 751         if (speed4000 && speed4000 != 4000)
 752                 field_mask |= SND_SPEEDUSHORT4000;
 753         if (ent >= 8192 || channel < 0 || channel > 7)
 754                 field_mask |= SND_LARGEENTITY;
 755         if (sound_num >= 256)
 756                 field_mask |= SND_LARGESOUND;
 757
 758 // directed messages go only to the entity they are targeted on
 759         MSG_WriteByte (dest, svc_sound);
 760         MSG_WriteByte (dest, field_mask);
 761         if (field_mask & SND_VOLUME)
 762                 MSG_WriteByte (dest, volume);
 763         if (field_mask & SND_ATTENUATION)
 764                 MSG_WriteByte (dest, (int)(attenuation*64));
 765         if (field_mask & SND_SPEEDUSHORT4000)
 766                 MSG_WriteShort (dest, speed4000);
 767         if (field_mask & SND_LARGEENTITY)
 768         {
 769                 MSG_WriteShort (dest, ent);
 770                 MSG_WriteChar (dest, channel);
 771         }
 772         else
 773                 MSG_WriteShort (dest, (ent<<3) | channel);
 774         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 775                 MSG_WriteShort (dest, sound_num);
 776         else
 777                 MSG_WriteByte (dest, sound_num);
 778         for (i = 0;i < 3;i++)
 779                 MSG_WriteCoord (dest, PRVM_serveredictvector(entity, origin)[i]+0.5*(PRVM_serveredictvector(entity, mins)[i]+PRVM_serveredictvector(entity, maxs)[i]), sv.protocol);
 780
 781         // TODO do we have to do anything here when dest is &sv.reliable_datagram?
 782         if(!reliable)
 783                 SV_FlushBroadcastMessages();
 784 }
 785
 786 /*
 787 ==================
 788 SV_StartPointSound
 789
 790 Nearly the same logic as SV_StartSound, except an origin
 791 instead of an entity is provided and channel is omitted.
 792
 793 The entity sent to the client is 0 (world) and the channel
 794 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 795 function, therefore the check for it is omitted.
 796
 797 ==================
 798 */
 799 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation, float speed)
 800 {
 801         int sound_num, field_mask, i, speed4000;
 802
 803         if (volume < 0 || volume > 255)
 804         {
 805                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
 806                 return;
 807         }
 808
 809         if (attenuation < 0 || attenuation > 4)
 810         {
 811                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 812                 return;
 813         }
 814
 815         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 816                 return;
 817
 818         // find precache number for sound
 819         sound_num = SV_SoundIndex(sample, 1);
 820         if (!sound_num)
 821                 return;
 822
 823         speed4000 = (int)(speed * 40.0f);
 824         field_mask = 0;
 825         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 826                 field_mask |= SND_VOLUME;
 827         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 828                 field_mask |= SND_ATTENUATION;
 829         if (sound_num >= 256)
 830                 field_mask |= SND_LARGESOUND;
 831         if (speed4000 && speed4000 != 4000)
 832                 field_mask |= SND_SPEEDUSHORT4000;
 833
 834 // directed messages go only to the entity they are targeted on
 835         MSG_WriteByte (&sv.datagram, svc_sound);
 836         MSG_WriteByte (&sv.datagram, field_mask);
 837         if (field_mask & SND_VOLUME)
 838                 MSG_WriteByte (&sv.datagram, volume);
 839         if (field_mask & SND_ATTENUATION)
 840                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 841         if (field_mask & SND_SPEEDUSHORT4000)
 842                 MSG_WriteShort (&sv.datagram, speed4000);
 843         // Always write entnum 0 for the world entity
 844         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 845         if (field_mask & SND_LARGESOUND)
 846                 MSG_WriteShort (&sv.datagram, sound_num);
 847         else
 848                 MSG_WriteByte (&sv.datagram, sound_num);
 849         for (i = 0;i < 3;i++)
 850                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 851         SV_FlushBroadcastMessages();
 852 }
 853
 854 /*
 855 ==============================================================================
 856
 857 CLIENT SPAWNING
 858
 859 ==============================================================================
 860 */
 861
 862 /*
 863 ================
 864 SV_SendServerinfo
 865
 866 Sends the first message from the server to a connected client.
 867 This will be sent on the initial connection and upon each server load.
 868 ================
 869 */
 870 void SV_SendServerinfo (client_t *client)
 871 {
 872         int i;
 873         char message[128];
 874
 875         // we know that this client has a netconnection and thus is not a bot
 876
 877         // edicts get reallocated on level changes, so we need to update it here
 878         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 879
 880         // clear cached stuff that depends on the level
 881         client->weaponmodel[0] = 0;
 882         client->weaponmodelindex = 0;
 883
 884         // LordHavoc: clear entityframe tracking
 885         client->latestframenum = 0;
 886
 887         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 888         client->cmd.time = sv.time;
 889
 890         if (client->entitydatabase)
 891                 EntityFrame_FreeDatabase(client->entitydatabase);
 892         if (client->entitydatabase4)
 893                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 894         if (client->entitydatabase5)
 895                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 896
 897         memset(client->stats, 0, sizeof(client->stats));
 898         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 899
 900         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)
 901         {
 902                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 903                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 904                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 905                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 906                 else
 907                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 908         }
 909
 910         // reset csqc entity versions
 911         for (i = 0;i < prog->max_edicts;i++)
 912         {
 913                 client->csqcentityscope[i] = 0;
 914                 client->csqcentitysendflags[i] = 0xFFFFFF;
 915                 client->csqcentityglobalhistory[i] = 0;
 916         }
 917         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 918         {
 919                 client->csqcentityframehistory[i].num = 0;
 920                 client->csqcentityframehistory[i].framenum = -1;
 921         }
 922         client->csqcnumedicts = 0;
 923         client->csqcentityframehistory_next = 0;
 924
 925         SZ_Clear (&client->netconnection->message);
 926         MSG_WriteByte (&client->netconnection->message, svc_print);
 927         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
 928         MSG_WriteString (&client->netconnection->message,message);
 929
 930         SV_StopDemoRecording(client); // to split up demos into different files
 931         if(sv_autodemo_perclient.integer && client->netconnection)
 932         {
 933                 char demofile[MAX_OSPATH];
 934                 char ipaddress[MAX_QPATH];
 935                 size_t i;
 936
 937                 // start a new demo file
 938                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 939                 for(i = 0; ipaddress[i]; ++i)
 940                         if(!isalnum(ipaddress[i]))
 941                                 ipaddress[i] = '-';
 942                 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);
 943
 944                 SV_StartDemoRecording(client, demofile, -1);
 945         }
 946
 947         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 948         if (sv.csqc_progname[0])
 949         {
 950                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 951                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 952                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
 953                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 954                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
 955                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 956                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
 957
 958                 if(client->sv_demo_file != NULL)
 959                 {
 960                         int i;
 961                         static char buf[NET_MAXMESSAGE];
 962                         sizebuf_t sb;
 963
 964                         sb.data = (unsigned char *) buf;
 965                         sb.maxsize = sizeof(buf);
 966                         i = 0;
 967                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
 968                                 SV_WriteDemoMessage(client, &sb, false);
 969                 }
 970
 971                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 972                 if (PRVM_GetString(PRVM_serverglobalstring(SV_InitCmd)))
 973                 {
 974                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 975                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(PRVM_serverglobalstring(SV_InitCmd))));
 976                 }
 977         }
 978
 979         //if (sv_allowdownloads.integer)
 980         // always send the info that the server supports the protocol, even if downloads are forbidden
 981         // only because of that, the CSQC exception can work
 982         {
 983                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 984                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
 985         }
 986
 987         // send at this time so it's guaranteed to get executed at the right time
 988         {
 989                 client_t *save;
 990                 save = host_client;
 991                 host_client = client;
 992                 Curl_SendRequirements();
 993                 host_client = save;
 994         }
 995
 996         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
 997         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
 998         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
 999
1000         if (!coop.integer && deathmatch.integer)
1001                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
1002         else
1003                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
1004
1005         MSG_WriteString (&client->netconnection->message,PRVM_GetString(PRVM_serveredictstring(prog->edicts, message)));
1006
1007         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
1008                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
1009         MSG_WriteByte (&client->netconnection->message, 0);
1010
1011         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
1012                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
1013         MSG_WriteByte (&client->netconnection->message, 0);
1014
1015 // send music
1016         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
1017         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1018         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1019
1020 // set view
1021 // store this in clientcamera, too
1022         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
1023         MSG_WriteByte (&client->netconnection->message, svc_setview);
1024         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
1025
1026         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
1027         MSG_WriteByte (&client->netconnection->message, 1);
1028
1029         client->spawned = false;                // need prespawn, spawn, etc
1030         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
1031
1032         // clear movement info until client enters the new level properly
1033         memset(&client->cmd, 0, sizeof(client->cmd));
1034         client->movesequence = 0;
1035         client->movement_highestsequence_seen = 0;
1036         memset(&client->movement_count, 0, sizeof(client->movement_count));
1037 #ifdef NUM_PING_TIMES
1038         for (i = 0;i < NUM_PING_TIMES;i++)
1039                 client->ping_times[i] = 0;
1040         client->num_pings = 0;
1041 #endif
1042         client->ping = 0;
1043
1044         // allow the client some time to send his keepalives, even if map loading took ages
1045         client->netconnection->timeout = realtime + net_connecttimeout.value;
1046 }
1047
1048 /*
1049 ================
1050 SV_ConnectClient
1051
1052 Initializes a client_t for a new net connection.  This will only be called
1053 once for a player each game, not once for each level change.
1054 ================
1055 */
1056 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
1057 {
1058         client_t                *client;
1059         int                             i;
1060
1061         client = svs.clients + clientnum;
1062
1063 // set up the client_t
1064         if (sv.loadgame)
1065         {
1066                 float backupparms[NUM_SPAWN_PARMS];
1067                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
1068                 memset(client, 0, sizeof(*client));
1069                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
1070         }
1071         else
1072                 memset(client, 0, sizeof(*client));
1073         client->active = true;
1074         client->netconnection = netconnection;
1075
1076         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
1077
1078         if(client->netconnection && client->netconnection->crypto.authenticated)
1079         {
1080                 Con_Printf("%s connection to %s has been established: client is %s@%.*s, I am %.*s@%.*s\n",
1081                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
1082                                 client->netconnection->address,
1083                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
1084                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1085                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1086                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1087                                 );
1088         }
1089
1090         strlcpy(client->name, "unconnected", sizeof(client->name));
1091         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1092         client->spawned = false;
1093         client->edict = PRVM_EDICT_NUM(clientnum+1);
1094         if (client->netconnection)
1095                 client->netconnection->message.allowoverflow = true;            // we can catch it
1096         // prepare the unreliable message buffer
1097         client->unreliablemsg.data = client->unreliablemsg_data;
1098         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1099         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1100         client->rate = 1000000000;
1101         // no limits for local player
1102         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
1103                 client->rate = 1000000000;
1104         client->connecttime = realtime;
1105
1106         if (!sv.loadgame)
1107         {
1108                 // call the progs to get default spawn parms for the new client
1109                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1110                 PRVM_serverglobaledict(self) = 0;
1111                 PRVM_ExecuteProgram (PRVM_serverfunction(SetNewParms), "QC function SetNewParms is missing");
1112                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1113                         client->spawn_parms[i] = (&PRVM_serverglobalfloat(parm1))[i];
1114
1115                 // set up the entity for this client (including .colormap, .team, etc)
1116                 PRVM_ED_ClearEdict(client->edict);
1117         }
1118
1119         // don't call SendServerinfo for a fresh botclient because its fields have
1120         // not been set up by the qc yet
1121         if (client->netconnection)
1122                 SV_SendServerinfo (client);
1123         else
1124                 client->spawned = true;
1125 }
1126
1127
1128 /*
1129 ===============================================================================
1130
1131 FRAME UPDATES
1132
1133 ===============================================================================
1134 */
1135
1136 /*
1137 =============================================================================
1138
1139 The PVS must include a small area around the client to allow head bobbing
1140 or other small motion on the client side.  Otherwise, a bob might cause an
1141 entity that should be visible to not show up, especially when the bob
1142 crosses a waterline.
1143
1144 =============================================================================
1145 */
1146
1147 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1148 {
1149         int i;
1150         unsigned int sendflags;
1151         unsigned int version;
1152         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1153         unsigned int customizeentityforclient;
1154         unsigned int sendentity;
1155         float f;
1156         float *v;
1157         vec3_t cullmins, cullmaxs;
1158         dp_model_t *model;
1159
1160         // fast path for games that do not use legacy entity networking
1161         // note: still networks clients even if they are legacy
1162         sendentity = PRVM_serveredictfunction(ent, SendEntity);
1163         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1164                 return false;
1165
1166         // this 2 billion unit check is actually to detect NAN origins
1167         // (we really don't want to send those)
1168         if (!(VectorLength2(PRVM_serveredictvector(ent, origin)) < 2000000000.0*2000000000.0))
1169                 return false;
1170
1171         // EF_NODRAW prevents sending for any reason except for your own
1172         // client, so we must keep all clients in this superset
1173         effects = (unsigned)PRVM_serveredictfloat(ent, effects);
1174
1175         // we can omit invisible entities with no effects that are not clients
1176         // LordHavoc: this could kill tags attached to an invisible entity, I
1177         // just hope we never have to support that case
1178         i = (int)PRVM_serveredictfloat(ent, modelindex);
1179         modelindex = (i >= 1 && i < MAX_MODELS && PRVM_serveredictstring(ent, model) && *PRVM_GetString(PRVM_serveredictstring(ent, model)) && sv.models[i]) ? i : 0;
1180
1181         flags = 0;
1182         i = (int)(PRVM_serveredictfloat(ent, glow_size) * 0.25f);
1183         glowsize = (unsigned char)bound(0, i, 255);
1184         if (PRVM_serveredictfloat(ent, glow_trail))
1185                 flags |= RENDER_GLOWTRAIL;
1186         if (PRVM_serveredictedict(ent, viewmodelforclient))
1187                 flags |= RENDER_VIEWMODEL;
1188
1189         v = PRVM_serveredictvector(ent, color);
1190         f = v[0]*256;
1191         light[0] = (unsigned short)bound(0, f, 65535);
1192         f = v[1]*256;
1193         light[1] = (unsigned short)bound(0, f, 65535);
1194         f = v[2]*256;
1195         light[2] = (unsigned short)bound(0, f, 65535);
1196         f = PRVM_serveredictfloat(ent, light_lev);
1197         light[3] = (unsigned short)bound(0, f, 65535);
1198         lightstyle = (unsigned char)PRVM_serveredictfloat(ent, style);
1199         lightpflags = (unsigned char)PRVM_serveredictfloat(ent, pflags);
1200
1201         if (gamemode == GAME_TENEBRAE)
1202         {
1203                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1204                 if (effects & 16)
1205                 {
1206                         effects &= ~16;
1207                         lightpflags |= PFLAGS_FULLDYNAMIC;
1208                 }
1209                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1210                 if (effects & 32)
1211                 {
1212                         effects &= ~32;
1213                         light[0] = (int)(0.2*256);
1214                         light[1] = (int)(1.0*256);
1215                         light[2] = (int)(0.2*256);
1216                         light[3] = 200;
1217                         lightpflags |= PFLAGS_FULLDYNAMIC;
1218                 }
1219         }
1220
1221         specialvisibilityradius = 0;
1222         if (lightpflags & PFLAGS_FULLDYNAMIC)
1223                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1224         if (glowsize)
1225                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1226         if (flags & RENDER_GLOWTRAIL)
1227                 specialvisibilityradius = max(specialvisibilityradius, 100);
1228         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1229         {
1230                 if (effects & EF_BRIGHTFIELD)
1231                         specialvisibilityradius = max(specialvisibilityradius, 80);
1232                 if (effects & EF_MUZZLEFLASH)
1233                         specialvisibilityradius = max(specialvisibilityradius, 100);
1234                 if (effects & EF_BRIGHTLIGHT)
1235                         specialvisibilityradius = max(specialvisibilityradius, 400);
1236                 if (effects & EF_DIMLIGHT)
1237                         specialvisibilityradius = max(specialvisibilityradius, 200);
1238                 if (effects & EF_RED)
1239                         specialvisibilityradius = max(specialvisibilityradius, 200);
1240                 if (effects & EF_BLUE)
1241                         specialvisibilityradius = max(specialvisibilityradius, 200);
1242                 if (effects & EF_FLAME)
1243                         specialvisibilityradius = max(specialvisibilityradius, 250);
1244                 if (effects & EF_STARDUST)
1245                         specialvisibilityradius = max(specialvisibilityradius, 100);
1246         }
1247
1248         // early culling checks
1249         // (final culling is done by SV_MarkWriteEntityStateToClient)
1250         customizeentityforclient = PRVM_serveredictfunction(ent, customizeentityforclient);
1251         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1252                 return false;
1253
1254         *cs = defaultstate;
1255         cs->active = ACTIVE_NETWORK;
1256         cs->number = enumber;
1257         VectorCopy(PRVM_serveredictvector(ent, origin), cs->origin);
1258         VectorCopy(PRVM_serveredictvector(ent, angles), cs->angles);
1259         cs->flags = flags;
1260         cs->effects = effects;
1261         cs->colormap = (unsigned)PRVM_serveredictfloat(ent, colormap);
1262         cs->modelindex = modelindex;
1263         cs->skin = (unsigned)PRVM_serveredictfloat(ent, skin);
1264         cs->frame = (unsigned)PRVM_serveredictfloat(ent, frame);
1265         cs->viewmodelforclient = PRVM_serveredictedict(ent, viewmodelforclient);
1266         cs->exteriormodelforclient = PRVM_serveredictedict(ent, exteriormodeltoclient);
1267         cs->nodrawtoclient = PRVM_serveredictedict(ent, nodrawtoclient);
1268         cs->drawonlytoclient = PRVM_serveredictedict(ent, drawonlytoclient);
1269         cs->customizeentityforclient = customizeentityforclient;
1270         cs->tagentity = PRVM_serveredictedict(ent, tag_entity);
1271         cs->tagindex = (unsigned char)PRVM_serveredictfloat(ent, tag_index);
1272         cs->glowsize = glowsize;
1273         cs->traileffectnum = PRVM_serveredictfloat(ent, traileffectnum);
1274
1275         // don't need to init cs->colormod because the defaultstate did that for us
1276         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1277         v = PRVM_serveredictvector(ent, colormod);
1278         if (VectorLength2(v))
1279         {
1280                 i = (int)(v[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1281                 i = (int)(v[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1282                 i = (int)(v[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1283         }
1284
1285         // don't need to init cs->glowmod because the defaultstate did that for us
1286         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1287         v = PRVM_serveredictvector(ent, glowmod);
1288         if (VectorLength2(v))
1289         {
1290                 i = (int)(v[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1291                 i = (int)(v[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1292                 i = (int)(v[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1293         }
1294
1295         cs->modelindex = modelindex;
1296
1297         cs->alpha = 255;
1298         f = (PRVM_serveredictfloat(ent, alpha) * 255.0f);
1299         if (f)
1300         {
1301                 i = (int)f;
1302                 cs->alpha = (unsigned char)bound(0, i, 255);
1303         }
1304         // halflife
1305         f = (PRVM_serveredictfloat(ent, renderamt));
1306         if (f)
1307         {
1308                 i = (int)f;
1309                 cs->alpha = (unsigned char)bound(0, i, 255);
1310         }
1311
1312         cs->scale = 16;
1313         f = (PRVM_serveredictfloat(ent, scale) * 16.0f);
1314         if (f)
1315         {
1316                 i = (int)f;
1317                 cs->scale = (unsigned char)bound(0, i, 255);
1318         }
1319
1320         cs->glowcolor = 254;
1321         f = PRVM_serveredictfloat(ent, glow_color);
1322         if (f)
1323                 cs->glowcolor = (int)f;
1324
1325         if (PRVM_serveredictfloat(ent, fullbright))
1326                 cs->effects |= EF_FULLBRIGHT;
1327
1328         f = PRVM_serveredictfloat(ent, modelflags);
1329         if (f)
1330                 cs->effects |= ((unsigned int)f & 0xff) << 24;
1331
1332         if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
1333                 cs->flags |= RENDER_STEP;
1334         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)
1335                 cs->flags |= RENDER_LOWPRECISION;
1336         if (PRVM_serveredictfloat(ent, colormap) >= 1024)
1337                 cs->flags |= RENDER_COLORMAPPED;
1338         if (cs->viewmodelforclient)
1339                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1340
1341         if (PRVM_serveredictfloat(ent, sendcomplexanimation))
1342         {
1343                 cs->flags |= RENDER_COMPLEXANIMATION;
1344                 if (PRVM_serveredictfloat(ent, skeletonindex) >= 1)
1345                         cs->skeletonobject = ent->priv.server->skeleton;
1346                 cs->framegroupblend[0].frame = PRVM_serveredictfloat(ent, frame);
1347                 cs->framegroupblend[1].frame = PRVM_serveredictfloat(ent, frame2);
1348                 cs->framegroupblend[2].frame = PRVM_serveredictfloat(ent, frame3);
1349                 cs->framegroupblend[3].frame = PRVM_serveredictfloat(ent, frame4);
1350                 cs->framegroupblend[0].start = PRVM_serveredictfloat(ent, frame1time);
1351                 cs->framegroupblend[1].start = PRVM_serveredictfloat(ent, frame2time);
1352                 cs->framegroupblend[2].start = PRVM_serveredictfloat(ent, frame3time);
1353                 cs->framegroupblend[3].start = PRVM_serveredictfloat(ent, frame4time);
1354                 cs->framegroupblend[1].lerp = PRVM_serveredictfloat(ent, lerpfrac);
1355                 cs->framegroupblend[2].lerp = PRVM_serveredictfloat(ent, lerpfrac3);
1356                 cs->framegroupblend[3].lerp = PRVM_serveredictfloat(ent, lerpfrac4);
1357                 cs->framegroupblend[0].lerp = 1.0f - cs->framegroupblend[1].lerp - cs->framegroupblend[2].lerp - cs->framegroupblend[3].lerp;
1358                 cs->frame = 0; // don't need the legacy frame
1359         }
1360
1361         cs->light[0] = light[0];
1362         cs->light[1] = light[1];
1363         cs->light[2] = light[2];
1364         cs->light[3] = light[3];
1365         cs->lightstyle = lightstyle;
1366         cs->lightpflags = lightpflags;
1367
1368         cs->specialvisibilityradius = specialvisibilityradius;
1369
1370         // calculate the visible box of this entity (don't use the physics box
1371         // as that is often smaller than a model, and would not count
1372         // specialvisibilityradius)
1373         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1374         {
1375                 float scale = cs->scale * (1.0f / 16.0f);
1376                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1377                 {
1378                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1379                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1380                 }
1381                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1382                 {
1383                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1384                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1385                 }
1386                 else
1387                 {
1388                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1389                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1390                 }
1391         }
1392         else
1393         {
1394                 // if there is no model (or it could not be loaded), use the physics box
1395                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, mins), cullmins);
1396                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, maxs), cullmaxs);
1397         }
1398         if (specialvisibilityradius)
1399         {
1400                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1401                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1402                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1403                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1404                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1405                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1406         }
1407
1408         // calculate center of bbox for network prioritization purposes
1409         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1410
1411         // if culling box has moved, update pvs cluster links
1412         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1413         {
1414                 VectorCopy(cullmins, ent->priv.server->cullmins);
1415                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1416                 // a value of -1 for pvs_numclusters indicates that the links are not
1417                 // cached, and should be re-tested each time, this is the case if the
1418                 // culling box touches too many pvs clusters to store, or if the world
1419                 // model does not support FindBoxClusters
1420                 ent->priv.server->pvs_numclusters = -1;
1421                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1422                 {
1423                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1424                         if (i <= MAX_ENTITYCLUSTERS)
1425                                 ent->priv.server->pvs_numclusters = i;
1426                 }
1427         }
1428
1429         // we need to do some csqc entity upkeep here
1430         // get self.SendFlags and clear them
1431         // (to let the QC know that they've been read)
1432         if (sendentity)
1433         {
1434                 sendflags = (unsigned int)PRVM_serveredictfloat(ent, SendFlags);
1435                 PRVM_serveredictfloat(ent, SendFlags) = 0;
1436                 // legacy self.Version system
1437                 if ((version = (unsigned int)PRVM_serveredictfloat(ent, Version)))
1438                 {
1439                         if (sv.csqcentityversion[enumber] != version)
1440                                 sendflags = 0xFFFFFF;
1441                         sv.csqcentityversion[enumber] = version;
1442                 }
1443                 // move sendflags into the per-client sendflags
1444                 if (sendflags)
1445                         for (i = 0;i < svs.maxclients;i++)
1446                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1447                 // mark it as inactive for non-csqc networking
1448                 cs->active = ACTIVE_SHARED;
1449         }
1450
1451         return true;
1452 }
1453
1454 void SV_PrepareEntitiesForSending(void)
1455 {
1456         int e;
1457         prvm_edict_t *ent;
1458         // send all entities that touch the pvs
1459         sv.numsendentities = 0;
1460         sv.sendentitiesindex[0] = NULL;
1461         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1462         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1463         {
1464                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1465                 {
1466                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1467                         sv.numsendentities++;
1468                 }
1469         }
1470 }
1471
1472 #define MAX_LINEOFSIGHTTRACES 64
1473
1474 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1475 {
1476         float pitchsign;
1477         float alpha;
1478         float starttransformed[3], endtransformed[3];
1479         int blocked = 0;
1480         int traceindex;
1481         int originalnumtouchedicts;
1482         int numtouchedicts = 0;
1483         int touchindex;
1484         matrix4x4_t matrix, imatrix;
1485         dp_model_t *model;
1486         prvm_edict_t *touch;
1487         static prvm_edict_t *touchedicts[MAX_EDICTS];
1488         vec3_t boxmins, boxmaxs;
1489         vec3_t clipboxmins, clipboxmaxs;
1490         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1491
1492         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1493
1494         // expand the box a little
1495         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1496         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1497         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1498         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1499         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1500         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1501
1502         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1503         for (traceindex = 1;traceindex < numtraces;traceindex++)
1504                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1505
1506         // calculate sweep box for the entire swarm of traces
1507         VectorCopy(eye, clipboxmins);
1508         VectorCopy(eye, clipboxmaxs);
1509         for (traceindex = 0;traceindex < numtraces;traceindex++)
1510         {
1511                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1512                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1513                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1514                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1515                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1516                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1517         }
1518
1519         // get the list of entities in the sweep box
1520         if (sv_cullentities_trace_entityocclusion.integer)
1521                 numtouchedicts = SV_EntitiesInBox(clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1522         if (numtouchedicts > MAX_EDICTS)
1523         {
1524                 // this never happens
1525                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1526                 numtouchedicts = MAX_EDICTS;
1527         }
1528         // iterate the entities found in the sweep box and filter them
1529         originalnumtouchedicts = numtouchedicts;
1530         numtouchedicts = 0;
1531         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1532         {
1533                 touch = touchedicts[touchindex];
1534                 if (PRVM_serveredictfloat(touch, solid) != SOLID_BSP)
1535                         continue;
1536                 model = SV_GetModelFromEdict(touch);
1537                 if (!model || !model->brush.TraceLineOfSight)
1538                         continue;
1539                 // skip obviously transparent entities
1540                 alpha = PRVM_serveredictfloat(touch, alpha);
1541                 if (alpha && alpha < 1)
1542                         continue;
1543                 if ((int)PRVM_serveredictfloat(touch, effects) & EF_ADDITIVE)
1544                         continue;
1545                 touchedicts[numtouchedicts++] = touch;
1546         }
1547
1548         // now that we have a filtered list of "interesting" entities, fire each
1549         // ray against all of them, this gives us an early-out case when something
1550         // is visible (which it often is)
1551
1552         for (traceindex = 0;traceindex < numtraces;traceindex++)
1553         {
1554                 // check world occlusion
1555                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1556                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1557                                 continue;
1558                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1559                 {
1560                         touch = touchedicts[touchindex];
1561                         model = SV_GetModelFromEdict(touch);
1562                         if(model && model->brush.TraceLineOfSight)
1563                         {
1564                                 // get the entity matrix
1565                                 pitchsign = SV_GetPitchSign(touch);
1566                                 Matrix4x4_CreateFromQuakeEntity(&matrix, PRVM_serveredictvector(touch, origin)[0], PRVM_serveredictvector(touch, origin)[1], PRVM_serveredictvector(touch, origin)[2], pitchsign * PRVM_serveredictvector(touch, angles)[0], PRVM_serveredictvector(touch, angles)[1], PRVM_serveredictvector(touch, angles)[2], 1);
1567                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1568                                 // see if the ray hits this entity
1569                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1570                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1571                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1572                                 {
1573                                         blocked++;
1574                                         break;
1575                                 }
1576                         }
1577                 }
1578                 // check if the ray was blocked
1579                 if (touchindex < numtouchedicts)
1580                         continue;
1581                 // return if the ray was not blocked
1582                 return true;
1583         }
1584
1585         // no rays survived
1586         return false;
1587 }
1588
1589 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1590 {
1591         int isbmodel;
1592         dp_model_t *model;
1593         prvm_edict_t *ed;
1594         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1595                 return;
1596         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1597         sv.writeentitiestoclient_stats_totalentities++;
1598
1599         if (s->customizeentityforclient)
1600         {
1601                 PRVM_serverglobaledict(self) = s->number;
1602                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1603                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1604                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1605                         return;
1606         }
1607
1608         // never reject player
1609         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1610         {
1611                 // check various rejection conditions
1612                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1613                         return;
1614                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1615                         return;
1616                 if (s->effects & EF_NODRAW)
1617                         return;
1618                 // LordHavoc: only send entities with a model or important effects
1619                 if (!s->modelindex && s->specialvisibilityradius == 0)
1620                         return;
1621
1622                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1623                 // viewmodels don't have visibility checking
1624                 if (s->viewmodelforclient)
1625                 {
1626                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1627                                 return;
1628                 }
1629                 else if (s->tagentity)
1630                 {
1631                         // tag attached entities simply check their parent
1632                         if (!sv.sendentitiesindex[s->tagentity])
1633                                 return;
1634                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1635                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1636                                 return;
1637                 }
1638                 // always send world submodels in newer protocols because they don't
1639                 // generate much traffic (in old protocols they hog bandwidth)
1640                 // but only if sv_cullentities_nevercullbmodels is off
1641                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1642                 {
1643                         // entity has survived every check so far, check if visible
1644                         ed = PRVM_EDICT_NUM(s->number);
1645
1646                         // if not touching a visible leaf
1647                         if (sv_cullentities_pvs.integer && !r_novis.integer && !r_trippy.integer && sv.writeentitiestoclient_pvsbytes)
1648                         {
1649                                 if (ed->priv.server->pvs_numclusters < 0)
1650                                 {
1651                                         // entity too big for clusters list
1652                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1653                                         {
1654                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1655                                                 return;
1656                                         }
1657                                 }
1658                                 else
1659                                 {
1660                                         int i;
1661                                         // check cached clusters list
1662                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1663                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1664                                                         break;
1665                                         if (i == ed->priv.server->pvs_numclusters)
1666                                         {
1667                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1668                                                 return;
1669                                         }
1670                                 }
1671                         }
1672
1673                         // or not seen by random tracelines
1674                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight && !r_trippy.integer)
1675                         {
1676                                 int samples =
1677                                         s->number <= svs.maxclients
1678                                                 ? sv_cullentities_trace_samples_players.integer
1679                                                 :
1680                                         s->specialvisibilityradius
1681                                                 ? sv_cullentities_trace_samples_extra.integer
1682                                                 : sv_cullentities_trace_samples.integer;
1683                                 float enlarge = sv_cullentities_trace_enlarge.value;
1684
1685                                 if(samples > 0)
1686                                 {
1687                                         int eyeindex;
1688                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1689                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1690                                                         break;
1691                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1692                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1693                                                         realtime + (
1694                                                                 s->number <= svs.maxclients
1695                                                                         ? sv_cullentities_trace_delay_players.value
1696                                                                         : sv_cullentities_trace_delay.value
1697                                                         );
1698                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1699                                         {
1700                                                 sv.writeentitiestoclient_stats_culled_trace++;
1701                                                 return;
1702                                         }
1703                                 }
1704                         }
1705                 }
1706         }
1707
1708         // this just marks it for sending
1709         // FIXME: it would be more efficient to send here, but the entity
1710         // compressor isn't that flexible
1711         sv.writeentitiestoclient_stats_visibleentities++;
1712         sv.sententities[s->number] = sv.sententitiesmark;
1713 }
1714
1715 #if MAX_LEVELNETWORKEYES > 0
1716 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1717 void SV_AddCameraEyes(void)
1718 {
1719         int e, i, j, k;
1720         prvm_edict_t *ed;
1721         static int cameras[MAX_LEVELNETWORKEYES];
1722         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1723         static int eye_levels[MAX_CLIENTNETWORKEYES];
1724         int n_cameras = 0;
1725         vec3_t mi, ma;
1726
1727         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1728                 eye_levels[i] = 0;
1729
1730         // check line of sight to portal entities and add them to PVS
1731         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1732         {
1733                 if (!ed->priv.server->free)
1734                 {
1735                         if(PRVM_serveredictfunction(ed, camera_transform))
1736                         {
1737                                 PRVM_serverglobaledict(self) = e;
1738                                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1739                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_serverglobalvector(trace_endpos));
1740                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1741                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1742                                 PRVM_ExecuteProgram(PRVM_serveredictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1743                                 if(!VectorCompare(PRVM_serverglobalvector(trace_endpos), sv.writeentitiestoclient_eyes[0]))
1744                                 {
1745                                         VectorCopy(PRVM_serverglobalvector(trace_endpos), camera_origins[n_cameras]);
1746                                         cameras[n_cameras] = e;
1747                                         ++n_cameras;
1748                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1749                                                 break;
1750                                 }
1751                         }
1752                 }
1753         }
1754
1755         if(!n_cameras)
1756                 return;
1757
1758         // i is loop counter, is reset to 0 when an eye got added
1759         // j is camera index to check
1760         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1761         {
1762                 if(!cameras[j])
1763                         continue;
1764                 ed = PRVM_EDICT_NUM(cameras[j]);
1765                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, mins), mi);
1766                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, maxs), ma);
1767                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1768                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1769                 {
1770                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1771                         {
1772                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1773                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1774                                 // Con_Printf("added eye %d: %f %f %f because we can see %f %f %f .. %f %f %f from eye %d\n", j, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes][0], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes][1], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes][2], mi[0], mi[1], mi[2], ma[0], ma[1], ma[2], k);
1775                                 sv.writeentitiestoclient_numeyes++;
1776                                 cameras[j] = 0;
1777                                 i = 0;
1778                                 break;
1779                         }
1780                 }
1781         }
1782 }
1783 #else
1784 void SV_AddCameraEyes(void)
1785 {
1786 }
1787 #endif
1788
1789 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1790 {
1791         qboolean need_empty = false;
1792         int i, numsendstates, numcsqcsendstates;
1793         entity_state_t *s;
1794         prvm_edict_t *camera;
1795         qboolean success;
1796         vec3_t eye;
1797
1798         // if there isn't enough space to accomplish anything, skip it
1799         if (msg->cursize + 25 > maxsize)
1800                 return;
1801
1802         sv.writeentitiestoclient_msg = msg;
1803         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1804
1805         sv.writeentitiestoclient_stats_culled_pvs = 0;
1806         sv.writeentitiestoclient_stats_culled_trace = 0;
1807         sv.writeentitiestoclient_stats_visibleentities = 0;
1808         sv.writeentitiestoclient_stats_totalentities = 0;
1809         sv.writeentitiestoclient_numeyes = 0;
1810
1811         // get eye location
1812         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1813         camera = PRVM_EDICT_NUM( client->clientcamera );
1814         VectorAdd(PRVM_serveredictvector(camera, origin), PRVM_serveredictvector(clent, view_ofs), eye);
1815         sv.writeentitiestoclient_pvsbytes = 0;
1816         // get the PVS values for the eye location, later FatPVS calls will merge
1817         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1818                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1819
1820         // add the eye to a list for SV_CanSeeBox tests
1821         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1822         sv.writeentitiestoclient_numeyes++;
1823
1824         // calculate predicted eye origin for SV_CanSeeBox tests
1825         if (sv_cullentities_trace_prediction.integer)
1826         {
1827                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1828                 vec3_t predeye;
1829                 VectorMA(eye, predtime, PRVM_serveredictvector(camera, velocity), predeye);
1830                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1831                 {
1832                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1833                         sv.writeentitiestoclient_numeyes++;
1834                 }
1835                 //if (!sv.writeentitiestoclient_useprediction)
1836                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1837         }
1838
1839         SV_AddCameraEyes();
1840
1841         // build PVS from the new eyes
1842         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1843                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1844                         sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv.writeentitiestoclient_eyes[i], 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1845
1846         sv.sententitiesmark++;
1847
1848         for (i = 0;i < sv.numsendentities;i++)
1849                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1850
1851         numsendstates = 0;
1852         numcsqcsendstates = 0;
1853         for (i = 0;i < sv.numsendentities;i++)
1854         {
1855                 s = &sv.sendentities[i];
1856                 if (sv.sententities[s->number] == sv.sententitiesmark)
1857                 {
1858                         if(s->active == ACTIVE_NETWORK)
1859                         {
1860                                 if (s->exteriormodelforclient)
1861                                 {
1862                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1863                                                 s->flags |= RENDER_EXTERIORMODEL;
1864                                         else
1865                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1866                                 }
1867                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1868                         }
1869                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1870                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1871                         else
1872                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1873                 }
1874         }
1875
1876         if (sv_cullentities_stats.integer)
1877                 Con_Printf("client \"%s\" entities: %d total, %d visible, %d culled by: %d pvs %d trace\n", client->name, sv.writeentitiestoclient_stats_totalentities, sv.writeentitiestoclient_stats_visibleentities, sv.writeentitiestoclient_stats_culled_pvs + sv.writeentitiestoclient_stats_culled_trace, sv.writeentitiestoclient_stats_culled_pvs, sv.writeentitiestoclient_stats_culled_trace);
1878
1879         if(client->entitydatabase5)
1880                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1881         else
1882                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1883
1884         if(client->num_skippedentityframes >= 10)
1885                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1886
1887         if (client->entitydatabase5)
1888                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1889         else if (client->entitydatabase4)
1890         {
1891                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1892                 Protocol_WriteStatsReliable();
1893         }
1894         else if (client->entitydatabase)
1895         {
1896                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1897                 Protocol_WriteStatsReliable();
1898         }
1899         else
1900         {
1901                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1902                 Protocol_WriteStatsReliable();
1903         }
1904
1905         if(success)
1906                 client->num_skippedentityframes = 0;
1907         else
1908                 ++client->num_skippedentityframes;
1909 }
1910
1911 /*
1912 =============
1913 SV_CleanupEnts
1914
1915 =============
1916 */
1917 static void SV_CleanupEnts (void)
1918 {
1919         int             e;
1920         prvm_edict_t    *ent;
1921
1922         ent = PRVM_NEXT_EDICT(prog->edicts);
1923         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1924                 PRVM_serveredictfloat(ent, effects) = (int)PRVM_serveredictfloat(ent, effects) & ~EF_MUZZLEFLASH;
1925 }
1926
1927 /*
1928 ==================
1929 SV_WriteClientdataToMessage
1930
1931 ==================
1932 */
1933 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1934 {
1935         int             bits;
1936         int             i;
1937         prvm_edict_t    *other;
1938         int             items;
1939         vec3_t  punchvector;
1940         int             viewzoom;
1941         const char *s;
1942         float   *statsf = (float *)stats;
1943         float gravity;
1944
1945 //
1946 // send a damage message
1947 //
1948         if (PRVM_serveredictfloat(ent, dmg_take) || PRVM_serveredictfloat(ent, dmg_save))
1949         {
1950                 other = PRVM_PROG_TO_EDICT(PRVM_serveredictedict(ent, dmg_inflictor));
1951                 MSG_WriteByte (msg, svc_damage);
1952                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_save));
1953                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_take));
1954                 for (i=0 ; i<3 ; i++)
1955                         MSG_WriteCoord (msg, PRVM_serveredictvector(other, origin)[i] + 0.5*(PRVM_serveredictvector(other, mins)[i] + PRVM_serveredictvector(other, maxs)[i]), sv.protocol);
1956
1957                 PRVM_serveredictfloat(ent, dmg_take) = 0;
1958                 PRVM_serveredictfloat(ent, dmg_save) = 0;
1959         }
1960
1961 //
1962 // send the current viewpos offset from the view entity
1963 //
1964         SV_SetIdealPitch ();            // how much to look up / down ideally
1965
1966 // a fixangle might get lost in a dropped packet.  Oh well.
1967         if(PRVM_serveredictfloat(ent, fixangle))
1968         {
1969                 // angle fixing was requested by global thinking code...
1970                 // so store the current angles for later use
1971                 memcpy(host_client->fixangle_angles, PRVM_serveredictvector(ent, angles), sizeof(host_client->fixangle_angles));
1972                 host_client->fixangle_angles_set = TRUE;
1973
1974                 // and clear fixangle for the next frame
1975                 PRVM_serveredictfloat(ent, fixangle) = 0;
1976         }
1977
1978         if (host_client->fixangle_angles_set)
1979         {
1980                 MSG_WriteByte (msg, svc_setangle);
1981                 for (i=0 ; i < 3 ; i++)
1982                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1983                 host_client->fixangle_angles_set = FALSE;
1984         }
1985
1986         // stuff the sigil bits into the high bits of items for sbar, or else
1987         // mix in items2
1988         // LordHavoc: detecting items2 turned out to be tricky, check if the field
1989         // was forcefully declared, we want to override serverflags if it was
1990         // declared by the qc intentionally, but not if we added it in the engine.
1991         if (prog->fieldoffsets.items2 < (int)(prog->numfielddefs - SV_REQGLOBALS))
1992                 items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serveredictfloat(ent, items2) << 23);
1993         else
1994                 items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serverglobalfloat(serverflags) << 28);
1995
1996         VectorCopy(PRVM_serveredictvector(ent, punchvector), punchvector);
1997
1998         // cache weapon model name and index in client struct to save time
1999         // (this search can be almost 1% of cpu time!)
2000         s = PRVM_GetString(PRVM_serveredictstring(ent, weaponmodel));
2001         if (strcmp(s, client->weaponmodel))
2002         {
2003                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
2004                 client->weaponmodelindex = SV_ModelIndex(s, 1);
2005         }
2006
2007         viewzoom = (int)(PRVM_serveredictfloat(ent, viewzoom) * 255.0f);
2008         if (viewzoom == 0)
2009                 viewzoom = 255;
2010
2011         bits = 0;
2012
2013         if ((int)PRVM_serveredictfloat(ent, flags) & FL_ONGROUND)
2014                 bits |= SU_ONGROUND;
2015         if (PRVM_serveredictfloat(ent, waterlevel) >= 2)
2016                 bits |= SU_INWATER;
2017         if (PRVM_serveredictfloat(ent, idealpitch))
2018                 bits |= SU_IDEALPITCH;
2019
2020         for (i=0 ; i<3 ; i++)
2021         {
2022                 if (PRVM_serveredictvector(ent, punchangle)[i])
2023                         bits |= (SU_PUNCH1<<i);
2024                 if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_NEHAHRABJP && sv.protocol != PROTOCOL_NEHAHRABJP2 && sv.protocol != PROTOCOL_NEHAHRABJP3)
2025                         if (punchvector[i])
2026                                 bits |= (SU_PUNCHVEC1<<i);
2027                 if (PRVM_serveredictvector(ent, velocity)[i])
2028                         bits |= (SU_VELOCITY1<<i);
2029         }
2030
2031         gravity = PRVM_serveredictfloat(ent, gravity);if (!gravity) gravity = 1.0f;
2032
2033         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
2034         stats[STAT_VIEWHEIGHT] = (int)PRVM_serveredictvector(ent, view_ofs)[2];
2035         stats[STAT_ITEMS] = items;
2036         stats[STAT_WEAPONFRAME] = (int)PRVM_serveredictfloat(ent, weaponframe);
2037         stats[STAT_ARMOR] = (int)PRVM_serveredictfloat(ent, armorvalue);
2038         stats[STAT_WEAPON] = client->weaponmodelindex;
2039         stats[STAT_HEALTH] = (int)PRVM_serveredictfloat(ent, health);
2040         stats[STAT_AMMO] = (int)PRVM_serveredictfloat(ent, currentammo);
2041         stats[STAT_SHELLS] = (int)PRVM_serveredictfloat(ent, ammo_shells);
2042         stats[STAT_NAILS] = (int)PRVM_serveredictfloat(ent, ammo_nails);
2043         stats[STAT_ROCKETS] = (int)PRVM_serveredictfloat(ent, ammo_rockets);
2044         stats[STAT_CELLS] = (int)PRVM_serveredictfloat(ent, ammo_cells);
2045         stats[STAT_ACTIVEWEAPON] = (int)PRVM_serveredictfloat(ent, weapon);
2046         stats[STAT_VIEWZOOM] = viewzoom;
2047         stats[STAT_TOTALSECRETS] = (int)PRVM_serverglobalfloat(total_secrets);
2048         stats[STAT_TOTALMONSTERS] = (int)PRVM_serverglobalfloat(total_monsters);
2049         // the QC bumps these itself by sending svc_'s, so we have to keep them
2050         // zero or they'll be corrected by the engine
2051         //stats[STAT_SECRETS] = PRVM_serverglobalfloat(found_secrets);
2052         //stats[STAT_MONSTERS] = PRVM_serverglobalfloat(killed_monsters);
2053
2054         // movement settings for prediction
2055         // note: these are not sent in protocols with lower MAX_CL_STATS limits
2056         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
2057                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
2058                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
2059                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
2060         ;
2061         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
2062         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
2063         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
2064         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
2065         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
2066         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
2067         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
2068         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
2069         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
2070         statsf[STAT_MOVEVARS_ENTGRAVITY] = gravity;
2071         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
2072         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
2073         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
2074         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
2075         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
2076         statsf[STAT_MOVEVARS_AIRACCEL_QW_STRETCHFACTOR] = sv_airaccel_qw_stretchfactor.value;
2077         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
2078         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
2079         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
2080         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
2081         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
2082         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
2083         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
2084         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
2085         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
2086         statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
2087         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
2088         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
2089         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2090         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2091         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2092         statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2093         statsf[STAT_FRAGLIMIT] = fraglimit.value;
2094         statsf[STAT_TIMELIMIT] = timelimit.value;
2095
2096         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2097         {
2098                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2099                 bits |= SU_ITEMS;
2100                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2101                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2102                 bits |= SU_WEAPON;
2103                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2104                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2105                         if (viewzoom != 255)
2106                                 bits |= SU_VIEWZOOM;
2107         }
2108
2109         if (bits >= 65536)
2110                 bits |= SU_EXTEND1;
2111         if (bits >= 16777216)
2112                 bits |= SU_EXTEND2;
2113
2114         // send the data
2115         MSG_WriteByte (msg, svc_clientdata);
2116         MSG_WriteShort (msg, bits);
2117         if (bits & SU_EXTEND1)
2118                 MSG_WriteByte(msg, bits >> 16);
2119         if (bits & SU_EXTEND2)
2120                 MSG_WriteByte(msg, bits >> 24);
2121
2122         if (bits & SU_VIEWHEIGHT)
2123                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2124
2125         if (bits & SU_IDEALPITCH)
2126                 MSG_WriteChar (msg, (int)PRVM_serveredictfloat(ent, idealpitch));
2127
2128         for (i=0 ; i<3 ; i++)
2129         {
2130                 if (bits & (SU_PUNCH1<<i))
2131                 {
2132                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2133                                 MSG_WriteChar(msg, (int)PRVM_serveredictvector(ent, punchangle)[i]);
2134                         else
2135                                 MSG_WriteAngle16i(msg, PRVM_serveredictvector(ent, punchangle)[i]);
2136                 }
2137                 if (bits & (SU_PUNCHVEC1<<i))
2138                 {
2139                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2140                                 MSG_WriteCoord16i(msg, punchvector[i]);
2141                         else
2142                                 MSG_WriteCoord32f(msg, punchvector[i]);
2143                 }
2144                 if (bits & (SU_VELOCITY1<<i))
2145                 {
2146                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2147                                 MSG_WriteChar(msg, (int)(PRVM_serveredictvector(ent, velocity)[i] * (1.0f / 16.0f)));
2148                         else
2149                                 MSG_WriteCoord32f(msg, PRVM_serveredictvector(ent, velocity)[i]);
2150                 }
2151         }
2152
2153         if (bits & SU_ITEMS)
2154                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2155
2156         if (sv.protocol == PROTOCOL_DARKPLACES5)
2157         {
2158                 if (bits & SU_WEAPONFRAME)
2159                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2160                 if (bits & SU_ARMOR)
2161                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2162                 if (bits & SU_WEAPON)
2163                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2164                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2165                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2166                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2167                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2168                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2169                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2170                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2171                 if (bits & SU_VIEWZOOM)
2172                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2173         }
2174         else if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2175         {
2176                 if (bits & SU_WEAPONFRAME)
2177                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2178                 if (bits & SU_ARMOR)
2179                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2180                 if (bits & SU_WEAPON)
2181                 {
2182                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2183                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2184                         else
2185                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2186                 }
2187                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2188                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2189                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2190                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2191                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2192                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2193                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
2194                 {
2195                         for (i = 0;i < 32;i++)
2196                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2197                                         break;
2198                         MSG_WriteByte (msg, i);
2199                 }
2200                 else
2201                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2202                 if (bits & SU_VIEWZOOM)
2203                 {
2204                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2205                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2206                         else
2207                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2208                 }
2209         }
2210 }
2211
2212 void SV_FlushBroadcastMessages(void)
2213 {
2214         int i;
2215         client_t *client;
2216         if (sv.datagram.cursize <= 0)
2217                 return;
2218         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2219         {
2220                 if (!client->spawned || !client->netconnection || client->unreliablemsg.cursize + sv.datagram.cursize > client->unreliablemsg.maxsize || client->unreliablemsg_splitpoints >= (int)(sizeof(client->unreliablemsg_splitpoint)/sizeof(client->unreliablemsg_splitpoint[0])))
2221                         continue;
2222                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2223                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2224         }
2225         SZ_Clear(&sv.datagram);
2226 }
2227
2228 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2229 {
2230         // scan the splitpoints to find out how many we can fit in
2231         int numsegments, j, split;
2232         if (!client->unreliablemsg_splitpoints)
2233                 return;
2234         // always accept the first one if it's within 1024 bytes, this ensures
2235         // that very big datagrams which are over the rate limit still get
2236         // through, just to keep it working
2237         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2238                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2239                         break;
2240         // the first segment gets an exemption from the rate limiting, otherwise
2241         // it could get dropped consistently due to a low rate limit
2242         if (numsegments == 1)
2243                 maxsize = maxsize2;
2244         // some will fit, so add the ones that will fit
2245         split = client->unreliablemsg_splitpoint[numsegments-1];
2246         // note this discards ones that were accepted by the segments scan but
2247         // can not fit, such as a really huge first one that will never ever
2248         // fit in a packet...
2249         if (msg->cursize + split <= maxsize)
2250                 SZ_Write(msg, client->unreliablemsg.data, split);
2251         // remove the part we sent, keeping any remaining data
2252         client->unreliablemsg.cursize -= split;
2253         if (client->unreliablemsg.cursize > 0)
2254                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2255         // adjust remaining splitpoints
2256         client->unreliablemsg_splitpoints -= numsegments;
2257         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2258                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2259 }
2260
2261 /*
2262 =======================
2263 SV_SendClientDatagram
2264 =======================
2265 */
2266 static void SV_SendClientDatagram (client_t *client)
2267 {
2268         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2269         sizebuf_t msg;
2270         int stats[MAX_CL_STATS];
2271         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2272
2273         // obey rate limit by limiting packet frequency if the packet size
2274         // limiting fails
2275         // (usually this is caused by reliable messages)
2276         if (!NetConn_CanSend(client->netconnection))
2277                 return;
2278
2279         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2280         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2281         if (sv_maxrate.integer != maxrate)
2282                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2283
2284         // clientrate determines the 'cleartime' of a packet
2285         // (how long to wait before sending another, based on this packet's size)
2286         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2287
2288         switch (sv.protocol)
2289         {
2290         case PROTOCOL_QUAKE:
2291         case PROTOCOL_QUAKEDP:
2292         case PROTOCOL_NEHAHRAMOVIE:
2293         case PROTOCOL_NEHAHRABJP:
2294         case PROTOCOL_NEHAHRABJP2:
2295         case PROTOCOL_NEHAHRABJP3:
2296         case PROTOCOL_QUAKEWORLD:
2297                 // no packet size limit support on Quake protocols because it just
2298                 // causes missing entities/effects
2299                 // packets are simply sent less often to obey the rate limit
2300                 maxsize = 1024;
2301                 maxsize2 = 1024;
2302                 break;
2303         case PROTOCOL_DARKPLACES1:
2304         case PROTOCOL_DARKPLACES2:
2305         case PROTOCOL_DARKPLACES3:
2306         case PROTOCOL_DARKPLACES4:
2307                 // no packet size limit support on DP1-4 protocols because they kick
2308                 // the client off if they overflow, and miss effects
2309                 // packets are simply sent less often to obey the rate limit
2310                 maxsize = sizeof(sv_sendclientdatagram_buf);
2311                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2312                 break;
2313         default:
2314                 // DP5 and later protocols support packet size limiting which is a
2315                 // better method than limiting packet frequency as QW does
2316                 //
2317                 // at very low rates (or very small sys_ticrate) the packet size is
2318                 // not reduced below 128, but packets may be sent less often
2319                 maxsize = (int)(clientrate * sys_ticrate.value);
2320                 maxsize = bound(128, maxsize, 1400);
2321                 maxsize2 = 1400;
2322                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2323                 // mods that use csqc (they are likely to use less bandwidth anyway)
2324                 if (sv.csqc_progsize > 0)
2325                         maxsize = maxsize2;
2326                 break;
2327         }
2328
2329         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2330         {
2331                 // for good singleplayer, send huge packets
2332                 maxsize = sizeof(sv_sendclientdatagram_buf);
2333                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2334                 // never limit frequency in singleplayer
2335                 clientrate = 1000000000;
2336         }
2337
2338         // while downloading, limit entity updates to half the packet
2339         // (any leftover space will be used for downloading)
2340         if (host_client->download_file)
2341                 maxsize /= 2;
2342
2343         msg.data = sv_sendclientdatagram_buf;
2344         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2345         msg.cursize = 0;
2346         msg.allowoverflow = false;
2347
2348         if (host_client->spawned)
2349         {
2350                 // the player is in the game
2351                 MSG_WriteByte (&msg, svc_time);
2352                 MSG_WriteFloat (&msg, sv.time);
2353
2354                 // add the client specific data to the datagram
2355                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2356                 // now update the stats[] array using any registered custom fields
2357                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2358                 // set host_client->statsdeltabits
2359                 Protocol_UpdateClientStats (stats);
2360
2361                 // add as many queued unreliable messages (effects) as we can fit
2362                 // limit effects to half of the remaining space
2363                 if (client->unreliablemsg.cursize)
2364                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2365
2366                 // now write as many entities as we can fit, and also sends stats
2367                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2368         }
2369         else if (realtime > client->keepalivetime)
2370         {
2371                 // the player isn't totally in the game yet
2372                 // send small keepalive messages if too much time has passed
2373                 // (may also be sending downloads)
2374                 client->keepalivetime = realtime + 5;
2375                 MSG_WriteChar (&msg, svc_nop);
2376         }
2377
2378         // if a download is active, see if there is room to fit some download data
2379         // in this packet
2380         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2381         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2382         {
2383                 fs_offset_t downloadstart;
2384                 unsigned char data[1400];
2385                 downloadstart = FS_Tell(host_client->download_file);
2386                 downloadsize = min(downloadsize, (int)sizeof(data));
2387                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2388                 // note this sends empty messages if at the end of the file, which is
2389                 // necessary to keep the packet loss logic working
2390                 // (the last blocks may be lost and need to be re-sent, and that will
2391                 //  only occur if the client acks the empty end messages, revealing
2392                 //  a gap in the download progress, causing the last blocks to be
2393                 //  sent again)
2394                 MSG_WriteChar (&msg, svc_downloaddata);
2395                 MSG_WriteLong (&msg, downloadstart);
2396                 MSG_WriteShort (&msg, downloadsize);
2397                 if (downloadsize > 0)
2398                         SZ_Write (&msg, data, downloadsize);
2399         }
2400
2401         // reliable only if none is in progress
2402         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2403                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2404         // unreliable
2405         SV_WriteDemoMessage(client, &msg, false);
2406
2407 // send the datagram
2408         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2409         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2410                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2411 }
2412
2413 /*
2414 =======================
2415 SV_UpdateToReliableMessages
2416 =======================
2417 */
2418 static void SV_UpdateToReliableMessages (void)
2419 {
2420         int i, j;
2421         client_t *client;
2422         const char *name;
2423         const char *model;
2424         const char *skin;
2425         int clientcamera;
2426
2427 // check for changes to be sent over the reliable streams
2428         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2429         {
2430                 // update the host_client fields we care about according to the entity fields
2431                 host_client->edict = PRVM_EDICT_NUM(i+1);
2432
2433                 // DP_SV_CLIENTNAME
2434                 name = PRVM_GetString(PRVM_serveredictstring(host_client->edict, netname));
2435                 if (name == NULL)
2436                         name = "";
2437                 // always point the string back at host_client->name to keep it safe
2438                 strlcpy (host_client->name, name, sizeof (host_client->name));
2439                 PRVM_serveredictstring(host_client->edict, netname) = PRVM_SetEngineString(host_client->name);
2440                 if (strcmp(host_client->old_name, host_client->name))
2441                 {
2442                         if (host_client->spawned)
2443                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2444                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2445                         // send notification to all clients
2446                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2447                         MSG_WriteByte (&sv.reliable_datagram, i);
2448                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2449                         SV_WriteNetnameIntoDemo(host_client);
2450                 }
2451
2452                 // DP_SV_CLIENTCOLORS
2453                 host_client->colors = (int)PRVM_serveredictfloat(host_client->edict, clientcolors);
2454                 if (host_client->old_colors != host_client->colors)
2455                 {
2456                         host_client->old_colors = host_client->colors;
2457                         // send notification to all clients
2458                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2459                         MSG_WriteByte (&sv.reliable_datagram, i);
2460                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2461                 }
2462
2463                 // NEXUIZ_PLAYERMODEL
2464                 model = PRVM_GetString(PRVM_serveredictstring(host_client->edict, playermodel));
2465                 if (model == NULL)
2466                         model = "";
2467                 // always point the string back at host_client->name to keep it safe
2468                 strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2469                 PRVM_serveredictstring(host_client->edict, playermodel) = PRVM_SetEngineString(host_client->playermodel);
2470
2471                 // NEXUIZ_PLAYERSKIN
2472                 skin = PRVM_GetString(PRVM_serveredictstring(host_client->edict, playerskin));
2473                 if (skin == NULL)
2474                         skin = "";
2475                 // always point the string back at host_client->name to keep it safe
2476                 strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2477                 PRVM_serveredictstring(host_client->edict, playerskin) = PRVM_SetEngineString(host_client->playerskin);
2478
2479                 // TODO: add an extension name for this [1/17/2008 Black]
2480                 clientcamera = PRVM_serveredictedict(host_client->edict, clientcamera);
2481                 if (clientcamera > 0)
2482                 {
2483                         int oldclientcamera = host_client->clientcamera;
2484                         if (clientcamera >= prog->max_edicts || PRVM_EDICT_NUM(clientcamera)->priv.required->free)
2485                                 clientcamera = PRVM_NUM_FOR_EDICT(host_client->edict);
2486                         host_client->clientcamera = clientcamera;
2487
2488                         if (oldclientcamera != host_client->clientcamera && host_client->netconnection)
2489                         {
2490                                 MSG_WriteByte(&host_client->netconnection->message, svc_setview);
2491                                 MSG_WriteShort(&host_client->netconnection->message, host_client->clientcamera);
2492                         }
2493                 }
2494
2495                 // frags
2496                 host_client->frags = (int)PRVM_serveredictfloat(host_client->edict, frags);
2497                 if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2498                         if(!host_client->spawned && host_client->netconnection)
2499                                 host_client->frags = -666;
2500                 if (host_client->old_frags != host_client->frags)
2501                 {
2502                         host_client->old_frags = host_client->frags;
2503                         // send notification to all clients
2504                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2505                         MSG_WriteByte (&sv.reliable_datagram, i);
2506                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2507                 }
2508         }
2509
2510         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2511                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2512                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2513
2514         SZ_Clear (&sv.reliable_datagram);
2515 }
2516
2517
2518 /*
2519 =======================
2520 SV_SendClientMessages
2521 =======================
2522 */
2523 void SV_SendClientMessages (void)
2524 {
2525         int i, prepared = false;
2526
2527         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2528                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2529
2530         SV_FlushBroadcastMessages();
2531
2532 // update frags, names, etc
2533         SV_UpdateToReliableMessages();
2534
2535 // build individual updates
2536         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2537         {
2538                 if (!host_client->active)
2539                         continue;
2540                 if (!host_client->netconnection)
2541                         continue;
2542
2543                 if (host_client->netconnection->message.overflowed)
2544                 {
2545                         SV_DropClient (true);   // if the message couldn't send, kick off
2546                         continue;
2547                 }
2548
2549                 if (!prepared)
2550                 {
2551                         prepared = true;
2552                         // only prepare entities once per frame
2553                         SV_PrepareEntitiesForSending();
2554                 }
2555                 SV_SendClientDatagram (host_client);
2556         }
2557
2558 // clear muzzle flashes
2559         SV_CleanupEnts();
2560 }
2561
2562 static void SV_StartDownload_f(void)
2563 {
2564         if (host_client->download_file)
2565                 host_client->download_started = true;
2566 }
2567
2568 /*
2569  * Compression extension negotiation:
2570  *
2571  * Server to client:
2572  *   cl_serverextension_download 2
2573  *
2574  * Client to server:
2575  *   download <filename> <list of zero or more suppported compressions in order of preference>
2576  * e.g.
2577  *   download maps/map1.bsp lzo deflate huffman
2578  *
2579  * Server to client:
2580  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2581  * e.g.
2582  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2583  *
2584  * The server may choose not to compress the file by sending no compression name, like:
2585  *   cl_downloadbegin 345678 maps/map1.bsp
2586  *
2587  * NOTE: the "download" command may only specify compression algorithms if
2588  *       cl_serverextension_download is 2!
2589  *       If cl_serverextension_download has a different value, the client must
2590  *       assume this extension is not supported!
2591  */
2592
2593 static void Download_CheckExtensions(void)
2594 {
2595         int i;
2596         int argc = Cmd_Argc();
2597
2598         // first reset them all
2599         host_client->download_deflate = false;
2600
2601         for(i = 2; i < argc; ++i)
2602         {
2603                 if(!strcmp(Cmd_Argv(i), "deflate"))
2604                 {
2605                         host_client->download_deflate = true;
2606                         break;
2607                 }
2608         }
2609 }
2610
2611 static void SV_Download_f(void)
2612 {
2613         const char *whichpack, *whichpack2, *extension;
2614         qboolean is_csqc; // so we need to check only once
2615
2616         if (Cmd_Argc() < 2)
2617         {
2618                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2619                 SV_ClientPrintf("       supported extensions: deflate\n");
2620                 return;
2621         }
2622
2623         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2624         {
2625                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2626                 return;
2627         }
2628
2629         if (host_client->download_file)
2630         {
2631                 // at this point we'll assume the previous download should be aborted
2632                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2633                 Host_ClientCommands("\nstopdownload\n");
2634
2635                 // close the file and reset variables
2636                 FS_Close(host_client->download_file);
2637                 host_client->download_file = NULL;
2638                 host_client->download_name[0] = 0;
2639                 host_client->download_expectedposition = 0;
2640                 host_client->download_started = false;
2641         }
2642
2643         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2644
2645         if (!sv_allowdownloads.integer && !is_csqc)
2646         {
2647                 SV_ClientPrintf("Downloads are disabled on this server\n");
2648                 Host_ClientCommands("\nstopdownload\n");
2649                 return;
2650         }
2651
2652         Download_CheckExtensions();
2653
2654         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2655         extension = FS_FileExtension(host_client->download_name);
2656
2657         // host_client is asking to download a specified file
2658         if (developer_extra.integer)
2659                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2660
2661         if(is_csqc)
2662         {
2663                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2664                 extensions[0] = '\0';
2665
2666                 if(host_client->download_deflate)
2667                         strlcat(extensions, " deflate", sizeof(extensions));
2668
2669                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2670
2671                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2672                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2673                 else
2674                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2675
2676                 // no, no space is needed between %s and %s :P
2677                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2678
2679                 host_client->download_expectedposition = 0;
2680                 host_client->download_started = false;
2681                 host_client->sendsignon = true; // make sure this message is sent
2682                 return;
2683         }
2684
2685         if (!FS_FileExists(host_client->download_name))
2686         {
2687                 SV_ClientPrintf("Download rejected: server does not have the file \"%s\"\nYou may need to separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
2688                 Host_ClientCommands("\nstopdownload\n");
2689                 return;
2690         }
2691
2692         // check if the user is trying to download part of registered Quake(r)
2693         whichpack = FS_WhichPack(host_client->download_name);
2694         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2695         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2696         {
2697                 SV_ClientPrintf("Download rejected: file \"%s\" is part of registered Quake(r)\nYou must purchase Quake(r) from id Software or a retailer to get this file\nPlease go to http://www.idsoftware.com/games/quake/quake/index.php?game_section=buy\n", host_client->download_name);
2698                 Host_ClientCommands("\nstopdownload\n");
2699                 return;
2700         }
2701
2702         // check if the server has forbidden archive downloads entirely
2703         if (!sv_allowdownloads_inarchive.integer)
2704         {
2705                 whichpack = FS_WhichPack(host_client->download_name);
2706                 if (whichpack)
2707                 {
2708                         SV_ClientPrintf("Download rejected: file \"%s\" is in an archive (\"%s\")\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name, whichpack);
2709                         Host_ClientCommands("\nstopdownload\n");
2710                         return;
2711                 }
2712         }
2713
2714         if (!sv_allowdownloads_config.integer)
2715         {
2716                 if (!strcasecmp(extension, "cfg"))
2717                 {
2718                         SV_ClientPrintf("Download rejected: file \"%s\" is a .cfg file which is forbidden for security reasons\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
2719                         Host_ClientCommands("\nstopdownload\n");
2720                         return;
2721                 }
2722         }
2723
2724         if (!sv_allowdownloads_dlcache.integer)
2725         {
2726                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2727                 {
2728                         SV_ClientPrintf("Download rejected: file \"%s\" is in the dlcache/ directory which is forbidden for security reasons\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
2729                         Host_ClientCommands("\nstopdownload\n");
2730                         return;
2731                 }
2732         }
2733
2734         if (!sv_allowdownloads_archive.integer)
2735         {
2736                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2737                 {
2738                         SV_ClientPrintf("Download rejected: file \"%s\" is an archive\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
2739                         Host_ClientCommands("\nstopdownload\n");
2740                         return;
2741                 }
2742         }
2743
2744         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2745         if (!host_client->download_file)
2746         {
2747                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2748                 Host_ClientCommands("\nstopdownload\n");
2749                 return;
2750         }
2751
2752         if (FS_FileSize(host_client->download_file) > 1<<30)
2753         {
2754                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2755                 Host_ClientCommands("\nstopdownload\n");
2756                 FS_Close(host_client->download_file);
2757                 host_client->download_file = NULL;
2758                 return;
2759         }
2760
2761         if (FS_FileSize(host_client->download_file) < 0)
2762         {
2763                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2764                 Host_ClientCommands("\nstopdownload\n");
2765                 FS_Close(host_client->download_file);
2766                 host_client->download_file = NULL;
2767                 return;
2768         }
2769
2770         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2771
2772         /*
2773          * we can only do this if we would actually deflate on the fly
2774          * which we do not (yet)!
2775         {
2776                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2777                 extensions[0] = '\0';
2778
2779                 if(host_client->download_deflate)
2780                         strlcat(extensions, " deflate", sizeof(extensions));
2781
2782                 // no, no space is needed between %s and %s :P
2783                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2784         }
2785         */
2786         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2787
2788         host_client->download_expectedposition = 0;
2789         host_client->download_started = false;
2790         host_client->sendsignon = true; // make sure this message is sent
2791
2792         // the rest of the download process is handled in SV_SendClientDatagram
2793         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2794         //
2795         // no svc_downloaddata messages will be sent until sv_startdownload is
2796         // sent by the client
2797 }
2798
2799 /*
2800 ==============================================================================
2801
2802 SERVER SPAWNING
2803
2804 ==============================================================================
2805 */
2806
2807 /*
2808 ================
2809 SV_ModelIndex
2810
2811 ================
2812 */
2813 int SV_ModelIndex(const char *s, int precachemode)
2814 {
2815         int i, limit = ((sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3) ? 256 : MAX_MODELS);
2816         char filename[MAX_QPATH];
2817         if (!s || !*s)
2818                 return 0;
2819         // testing
2820         //if (precachemode == 2)
2821         //      return 0;
2822         strlcpy(filename, s, sizeof(filename));
2823         for (i = 2;i < limit;i++)
2824         {
2825                 if (!sv.model_precache[i][0])
2826                 {
2827                         if (precachemode)
2828                         {
2829                                 if (sv.state != ss_loading && (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5))
2830                                 {
2831                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2832                                         return 0;
2833                                 }
2834                                 if (precachemode == 1)
2835                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2836                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2837                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2838                                 if (sv.state != ss_loading)
2839                                 {
2840                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2841                                         MSG_WriteShort(&sv.reliable_datagram, i);
2842                                         MSG_WriteString(&sv.reliable_datagram, filename);
2843                                 }
2844                                 return i;
2845                         }
2846                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2847                         return 0;
2848                 }
2849                 if (!strcmp(sv.model_precache[i], filename))
2850                         return i;
2851         }
2852         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2853         return 0;
2854 }
2855
2856 /*
2857 ================
2858 SV_SoundIndex
2859
2860 ================
2861 */
2862 int SV_SoundIndex(const char *s, int precachemode)
2863 {
2864         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);
2865         char filename[MAX_QPATH];
2866         if (!s || !*s)
2867                 return 0;
2868         // testing
2869         //if (precachemode == 2)
2870         //      return 0;
2871         strlcpy(filename, s, sizeof(filename));
2872         for (i = 1;i < limit;i++)
2873         {
2874                 if (!sv.sound_precache[i][0])
2875                 {
2876                         if (precachemode)
2877                         {
2878                                 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))
2879                                 {
2880                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2881                                         return 0;
2882                                 }
2883                                 if (precachemode == 1)
2884                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2885                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2886                                 if (sv.state != ss_loading)
2887                                 {
2888                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2889                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2890                                         MSG_WriteString(&sv.reliable_datagram, filename);
2891                                 }
2892                                 return i;
2893                         }
2894                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2895                         return 0;
2896                 }
2897                 if (!strcmp(sv.sound_precache[i], filename))
2898                         return i;
2899         }
2900         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2901         return 0;
2902 }
2903
2904 /*
2905 ================
2906 SV_ParticleEffectIndex
2907
2908 ================
2909 */
2910 int SV_ParticleEffectIndex(const char *name)
2911 {
2912         int i, argc, linenumber, effectnameindex;
2913         int filepass;
2914         fs_offset_t filesize;
2915         unsigned char *filedata;
2916         const char *text;
2917         const char *textstart;
2918         //const char *textend;
2919         char argv[16][1024];
2920         char filename[MAX_QPATH];
2921         if (!sv.particleeffectnamesloaded)
2922         {
2923                 sv.particleeffectnamesloaded = true;
2924                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2925                 for (i = 0;i < EFFECT_TOTAL;i++)
2926                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2927                 for (filepass = 0;;filepass++)
2928                 {
2929                         if (filepass == 0)
2930                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2931                         else if (filepass == 1)
2932                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
2933                         else
2934                                 break;
2935                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2936                         if (!filedata)
2937                                 continue;
2938                         textstart = (const char *)filedata;
2939                         //textend = (const char *)filedata + filesize;
2940                         text = textstart;
2941                         for (linenumber = 1;;linenumber++)
2942                         {
2943                                 argc = 0;
2944                                 for (;;)
2945                                 {
2946                                         if (!COM_ParseToken_Simple(&text, true, false, true) || !strcmp(com_token, "\n"))
2947                                                 break;
2948                                         if (argc < 16)
2949                                         {
2950                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2951                                                 argc++;
2952                                         }
2953                                 }
2954                                 if (com_token[0] == 0)
2955                                         break; // if the loop exited and it's not a \n, it's EOF
2956                                 if (argc < 1)
2957                                         continue;
2958                                 if (!strcmp(argv[0], "effect"))
2959                                 {
2960                                         if (argc == 2)
2961                                         {
2962                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2963                                                 {
2964                                                         if (sv.particleeffectname[effectnameindex][0])
2965                                                         {
2966                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2967                                                                         break;
2968                                                         }
2969                                                         else
2970                                                         {
2971                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2972                                                                 break;
2973                                                         }
2974                                                 }
2975                                                 // if we run out of names, abort
2976                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2977                                                 {
2978                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
2979                                                         break;
2980                                                 }
2981                                         }
2982                                 }
2983                         }
2984                         Mem_Free(filedata);
2985                 }
2986         }
2987         // search for the name
2988         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2989                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2990                         return effectnameindex;
2991         // return 0 if we couldn't find it
2992         return 0;
2993 }
2994
2995 dp_model_t *SV_GetModelByIndex(int modelindex)
2996 {
2997         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2998 }
2999
3000 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
3001 {
3002         int modelindex;
3003         if (!ed || ed->priv.server->free)
3004                 return NULL;
3005         modelindex = (int)PRVM_serveredictfloat(ed, modelindex);
3006         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3007 }
3008
3009 /*
3010 ================
3011 SV_CreateBaseline
3012
3013 ================
3014 */
3015 static void SV_CreateBaseline (void)
3016 {
3017         int i, entnum, large;
3018         prvm_edict_t *svent;
3019
3020         // LordHavoc: clear *all* states (note just active ones)
3021         for (entnum = 0;entnum < prog->max_edicts;entnum++)
3022         {
3023                 // get the current server version
3024                 svent = PRVM_EDICT_NUM(entnum);
3025
3026                 // LordHavoc: always clear state values, whether the entity is in use or not
3027                 svent->priv.server->baseline = defaultstate;
3028
3029                 if (svent->priv.server->free)
3030                         continue;
3031                 if (entnum > svs.maxclients && !PRVM_serveredictfloat(svent, modelindex))
3032                         continue;
3033
3034                 // create entity baseline
3035                 VectorCopy (PRVM_serveredictvector(svent, origin), svent->priv.server->baseline.origin);
3036                 VectorCopy (PRVM_serveredictvector(svent, angles), svent->priv.server->baseline.angles);
3037                 svent->priv.server->baseline.frame = (int)PRVM_serveredictfloat(svent, frame);
3038                 svent->priv.server->baseline.skin = (int)PRVM_serveredictfloat(svent, skin);
3039                 if (entnum > 0 && entnum <= svs.maxclients)
3040                 {
3041                         svent->priv.server->baseline.colormap = entnum;
3042                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
3043                 }
3044                 else
3045                 {
3046                         svent->priv.server->baseline.colormap = 0;
3047                         svent->priv.server->baseline.modelindex = (int)PRVM_serveredictfloat(svent, modelindex);
3048                 }
3049
3050                 large = false;
3051                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
3052                 {
3053                         large = true;
3054                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3055                                 large = false;
3056                 }
3057
3058                 // add to the message
3059                 if (large)
3060                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
3061                 else
3062                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
3063                 MSG_WriteShort (&sv.signon, entnum);
3064
3065                 if (large)
3066                 {
3067                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3068                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
3069                 }
3070                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3071                 {
3072                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3073                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3074                 }
3075                 else
3076                 {
3077                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
3078                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3079                 }
3080                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
3081                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
3082                 for (i=0 ; i<3 ; i++)
3083                 {
3084                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3085                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3086                 }
3087         }
3088 }
3089
3090 /*
3091 ================
3092 SV_Prepare_CSQC
3093
3094 Load csprogs.dat and comperss it so it doesn't need to be
3095 reloaded on request.
3096 ================
3097 */
3098 void SV_Prepare_CSQC(void)
3099 {
3100         fs_offset_t progsize;
3101
3102         if(svs.csqc_progdata)
3103         {
3104                 Con_DPrintf("Unloading old CSQC data.\n");
3105                 Mem_Free(svs.csqc_progdata);
3106                 if(svs.csqc_progdata_deflated)
3107                         Mem_Free(svs.csqc_progdata_deflated);
3108         }
3109
3110         svs.csqc_progdata = NULL;
3111         svs.csqc_progdata_deflated = NULL;
3112
3113         sv.csqc_progname[0] = 0;
3114         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3115
3116         if(progsize > 0)
3117         {
3118                 size_t deflated_size;
3119
3120                 sv.csqc_progsize = (int)progsize;
3121                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3122                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3123                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3124
3125                 Con_DPrint("Compressing csprogs.dat\n");
3126                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3127                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3128                 svs.csqc_progsize_deflated = (int)deflated_size;
3129                 if(svs.csqc_progdata_deflated)
3130                 {
3131                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3132                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3133                 }
3134                 else
3135                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3136         }
3137 }
3138
3139 /*
3140 ================
3141 SV_SaveSpawnparms
3142
3143 Grabs the current state of each client for saving across the
3144 transition to another level
3145 ================
3146 */
3147 void SV_SaveSpawnparms (void)
3148 {
3149         int             i, j;
3150
3151         svs.serverflags = (int)PRVM_serverglobalfloat(serverflags);
3152
3153         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3154         {
3155                 if (!host_client->active)
3156                         continue;
3157
3158         // call the progs to get default spawn parms for the new client
3159                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3160                 PRVM_ExecuteProgram (PRVM_serverfunction(SetChangeParms), "QC function SetChangeParms is missing");
3161                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3162                         host_client->spawn_parms[j] = (&PRVM_serverglobalfloat(parm1))[j];
3163         }
3164 }
3165
3166 /*
3167 ================
3168 SV_SpawnServer
3169
3170 This is called at the start of each level
3171 ================
3172 */
3173
3174 void SV_SpawnServer (const char *server)
3175 {
3176         prvm_edict_t *ent;
3177         int i;
3178         char *entities;
3179         dp_model_t *worldmodel;
3180         char modelname[sizeof(sv.worldname)];
3181
3182         Con_DPrintf("SpawnServer: %s\n", server);
3183
3184         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3185
3186         if (!FS_FileExists(modelname))
3187         {
3188                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3189                 if (!FS_FileExists(modelname))
3190                 {
3191                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3192                         return;
3193                 }
3194         }
3195
3196         if(cls.state == ca_dedicated)
3197                 Sys_MakeProcessNice();
3198
3199         if (cls.state != ca_dedicated)
3200         {
3201                 SCR_BeginLoadingPlaque();
3202                 S_StopAllSounds();
3203         }
3204
3205         if(sv.active)
3206         {
3207                 SV_VM_Begin();
3208                 World_End(&sv.world);
3209                 if(PRVM_serverfunction(SV_Shutdown))
3210                 {
3211                         func_t s = PRVM_serverfunction(SV_Shutdown);
3212                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3213                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
3214                 }
3215                 SV_VM_End();
3216         }
3217
3218         // free q3 shaders so that any newly downloaded shaders will be active
3219         Mod_FreeQ3Shaders();
3220
3221         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3222         if (!worldmodel || !worldmodel->TraceBox)
3223         {
3224                 Con_Printf("Couldn't load map %s\n", modelname);
3225
3226                 if(cls.state == ca_dedicated)
3227                         Sys_MakeProcessMean();
3228
3229                 return;
3230         }
3231
3232         Collision_Cache_Reset(true);
3233
3234         // let's not have any servers with no name
3235         if (hostname.string[0] == 0)
3236                 Cvar_Set ("hostname", "UNNAMED");
3237         scr_centertime_off = 0;
3238
3239         svs.changelevel_issued = false;         // now safe to issue another
3240
3241         // make the map a required file for clients
3242         Curl_ClearRequirements();
3243         Curl_RequireFile(modelname);
3244
3245 //
3246 // tell all connected clients that we are going to a new level
3247 //
3248         if (sv.active)
3249         {
3250                 client_t *client;
3251                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3252                 {
3253                         if (client->netconnection)
3254                         {
3255                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3256                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3257                         }
3258                 }
3259         }
3260         else
3261         {
3262                 // open server port
3263                 NetConn_OpenServerPorts(true);
3264         }
3265
3266 //
3267 // make cvars consistant
3268 //
3269         if (coop.integer)
3270                 Cvar_SetValue ("deathmatch", 0);
3271         // LordHavoc: it can be useful to have skills outside the range 0-3...
3272         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3273         //Cvar_SetValue ("skill", (float)current_skill);
3274         current_skill = (int)(skill.value + 0.5);
3275
3276 //
3277 // set up the new server
3278 //
3279         memset (&sv, 0, sizeof(sv));
3280         // if running a local client, make sure it doesn't try to access the last
3281         // level's data which is no longer valiud
3282         cls.signon = 0;
3283
3284         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3285
3286         if(*sv_random_seed.string)
3287         {
3288                 srand(sv_random_seed.integer);
3289                 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);
3290         }
3291
3292         SV_VM_Setup();
3293
3294         sv.active = true;
3295
3296         // set level base name variables for later use
3297         strlcpy (sv.name, server, sizeof (sv.name));
3298         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3299         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3300         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3301         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3302         Cvar_SetQuick(&sv_worldname, sv.worldname);
3303         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3304         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3305
3306         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3307         if (sv.protocol == PROTOCOL_UNKNOWN)
3308         {
3309                 char buffer[1024];
3310                 Protocol_Names(buffer, sizeof(buffer));
3311                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3312                 sv.protocol = PROTOCOL_QUAKE;
3313         }
3314
3315         SV_VM_Begin();
3316
3317 // load progs to get entity field count
3318         //PR_LoadProgs ( sv_progs.string );
3319
3320         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3321         sv.datagram.cursize = 0;
3322         sv.datagram.data = sv.datagram_buf;
3323
3324         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3325         sv.reliable_datagram.cursize = 0;
3326         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3327
3328         sv.signon.maxsize = sizeof(sv.signon_buf);
3329         sv.signon.cursize = 0;
3330         sv.signon.data = sv.signon_buf;
3331
3332 // leave slots at start for clients only
3333         //prog->num_edicts = svs.maxclients+1;
3334
3335         sv.state = ss_loading;
3336         prog->allowworldwrites = true;
3337         sv.paused = false;
3338
3339         PRVM_serverglobalfloat(time) = sv.time = 1.0;
3340
3341         Mod_ClearUsed();
3342         worldmodel->used = true;
3343
3344         sv.worldmodel = worldmodel;
3345         sv.models[1] = sv.worldmodel;
3346
3347 //
3348 // clear world interaction links
3349 //
3350         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
3351         World_Start(&sv.world);
3352
3353         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3354
3355         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3356         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3357         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3358         {
3359                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3360                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3361         }
3362         if(i < sv.worldmodel->brush.numsubmodels)
3363                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3364
3365 //
3366 // load the rest of the entities
3367 //
3368         // AK possible hack since num_edicts is still 0
3369         ent = PRVM_EDICT_NUM(0);
3370         memset (ent->fields.vp, 0, prog->entityfields * 4);
3371         ent->priv.server->free = false;
3372         PRVM_serveredictstring(ent, model) = PRVM_SetEngineString(sv.worldname);
3373         PRVM_serveredictfloat(ent, modelindex) = 1;             // world model
3374         PRVM_serveredictfloat(ent, solid) = SOLID_BSP;
3375         PRVM_serveredictfloat(ent, movetype) = MOVETYPE_PUSH;
3376         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, mins));
3377         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, maxs));
3378         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, absmin));
3379         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, absmax));
3380
3381         if (coop.value)
3382                 PRVM_serverglobalfloat(coop) = coop.integer;
3383         else
3384                 PRVM_serverglobalfloat(deathmatch) = deathmatch.integer;
3385
3386         PRVM_serverglobalstring(mapname) = PRVM_SetEngineString(sv.name);
3387
3388 // serverflags are for cross level information (sigils)
3389         PRVM_serverglobalfloat(serverflags) = svs.serverflags;
3390
3391         // we need to reset the spawned flag on all connected clients here so that
3392         // their thinks don't run during startup (before PutClientInServer)
3393         // we also need to set up the client entities now
3394         // and we need to set the ->edict pointers to point into the progs edicts
3395         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3396         {
3397                 host_client->spawned = false;
3398                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3399                 PRVM_ED_ClearEdict(host_client->edict);
3400         }
3401
3402         // load replacement entity file if found
3403         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3404         {
3405                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3406                 PRVM_ED_LoadFromFile (entities);
3407                 Mem_Free(entities);
3408         }
3409         else
3410                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
3411
3412
3413         // LordHavoc: clear world angles (to fix e3m3.bsp)
3414         VectorClear(PRVM_serveredictvector(prog->edicts, angles));
3415
3416 // all setup is completed, any further precache statements are errors
3417 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3418         prog->allowworldwrites = false;
3419
3420 // run two frames to allow everything to settle
3421         PRVM_serverglobalfloat(time) = sv.time = 1.0001;
3422         for (i = 0;i < 2;i++)
3423         {
3424                 sv.frametime = 0.1;
3425                 SV_Physics ();
3426         }
3427
3428         if (cls.state == ca_dedicated)
3429                 Mod_PurgeUnused();
3430
3431 // create a baseline for more efficient communications
3432         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)
3433                 SV_CreateBaseline ();
3434
3435         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3436
3437         // to prevent network timeouts
3438         realtime = Sys_DoubleTime();
3439
3440 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3441         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3442         {
3443                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3444                 if (!host_client->active)
3445                         continue;
3446                 if (host_client->netconnection)
3447                         SV_SendServerinfo(host_client);
3448                 else
3449                 {
3450                         int j;
3451                         // if client is a botclient coming from a level change, we need to
3452                         // set up client info that normally requires networking
3453
3454                         // copy spawn parms out of the client_t
3455                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3456                                 (&PRVM_serverglobalfloat(parm1))[j] = host_client->spawn_parms[j];
3457
3458                         // call the spawn function
3459                         host_client->clientconnectcalled = true;
3460                         PRVM_serverglobalfloat(time) = sv.time;
3461                         PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3462                         PRVM_ExecuteProgram (PRVM_serverfunction(ClientConnect), "QC function ClientConnect is missing");
3463                         PRVM_ExecuteProgram (PRVM_serverfunction(PutClientInServer), "QC function PutClientInServer is missing");
3464                         host_client->spawned = true;
3465                 }
3466         }
3467
3468         // update the map title cvar
3469         strlcpy(sv.worldmessage, PRVM_GetString(PRVM_serveredictstring(prog->edicts, message)), sizeof(sv.worldmessage)); // map title (not related to filename)
3470         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3471
3472         Con_DPrint("Server spawned.\n");
3473         NetConn_Heartbeat (2);
3474
3475         SV_VM_End();
3476
3477         if(cls.state == ca_dedicated)
3478                 Sys_MakeProcessMean();
3479 }
3480
3481 /////////////////////////////////////////////////////
3482 // SV VM stuff
3483
3484 static void SV_VM_CB_BeginIncreaseEdicts(void)
3485 {
3486         // links don't survive the transition, so unlink everything
3487         World_UnlinkAll(&sv.world);
3488 }
3489
3490 static void SV_VM_CB_EndIncreaseEdicts(void)
3491 {
3492         int i;
3493         prvm_edict_t *ent;
3494
3495         // link every entity except world
3496         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3497                 if (!ent->priv.server->free)
3498                         SV_LinkEdict(ent);
3499 }
3500
3501 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3502 {
3503         // LordHavoc: for consistency set these here
3504         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3505
3506         e->priv.server->move = false; // don't move on first frame
3507
3508         if (num >= 0 && num < svs.maxclients)
3509         {
3510                 // set colormap and team on newly created player entity
3511                 PRVM_serveredictfloat(e, colormap) = num + 1;
3512                 PRVM_serveredictfloat(e, team) = (svs.clients[num].colors & 15) + 1;
3513                 // set netname/clientcolors back to client values so that
3514                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3515                 // reset them
3516                 PRVM_serveredictstring(e, netname) = PRVM_SetEngineString(svs.clients[num].name);
3517                 PRVM_serveredictfloat(e, clientcolors) = svs.clients[num].colors;
3518                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3519                 PRVM_serveredictstring(e, playermodel) = PRVM_SetEngineString(svs.clients[num].playermodel);
3520                 PRVM_serveredictstring(e, playerskin) = PRVM_SetEngineString(svs.clients[num].playerskin);
3521                 // Assign netaddress (IP Address, etc)
3522                 if(svs.clients[num].netconnection != NULL)
3523                 {
3524                         // Acquire Readable Address
3525                         LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3526                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(svs.clients[num].netaddress);
3527                 }
3528                 else
3529                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString("null/botclient");
3530                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
3531                         PRVM_serveredictstring(e, crypto_idfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.client_idfp);
3532                 else
3533                         PRVM_serveredictstring(e, crypto_idfp) = 0;
3534                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
3535                         PRVM_serveredictstring(e, crypto_keyfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.client_keyfp);
3536                 else
3537                         PRVM_serveredictstring(e, crypto_keyfp) = 0;
3538                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
3539                         PRVM_serveredictstring(e, crypto_mykeyfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.server_keyfp);
3540                 else
3541                         PRVM_serveredictstring(e, crypto_mykeyfp) = 0;
3542                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
3543                         PRVM_serveredictstring(e, crypto_encryptmethod) = PRVM_SetEngineString("AES128");
3544                 else
3545                         PRVM_serveredictstring(e, crypto_encryptmethod) = 0;
3546                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
3547                         PRVM_serveredictstring(e, crypto_signmethod) = PRVM_SetEngineString("HMAC-SHA256");
3548                 else
3549                         PRVM_serveredictstring(e, crypto_signmethod) = 0;
3550         }
3551 }
3552
3553 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3554 {
3555         int i;
3556         int e;
3557
3558         World_UnlinkEdict(ed);          // unlink from world bsp
3559
3560         PRVM_serveredictstring(ed, model) = 0;
3561         PRVM_serveredictfloat(ed, takedamage) = 0;
3562         PRVM_serveredictfloat(ed, modelindex) = 0;
3563         PRVM_serveredictfloat(ed, colormap) = 0;
3564         PRVM_serveredictfloat(ed, skin) = 0;
3565         PRVM_serveredictfloat(ed, frame) = 0;
3566         VectorClear(PRVM_serveredictvector(ed, origin));
3567         VectorClear(PRVM_serveredictvector(ed, angles));
3568         PRVM_serveredictfloat(ed, nextthink) = -1;
3569         PRVM_serveredictfloat(ed, solid) = 0;
3570
3571         VM_RemoveEdictSkeleton(ed);
3572         World_Physics_RemoveFromEntity(&sv.world, ed);
3573         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3574
3575         // make sure csqc networking is aware of the removed entity
3576         e = PRVM_NUM_FOR_EDICT(ed);
3577         sv.csqcentityversion[e] = 0;
3578         for (i = 0;i < svs.maxclients;i++)
3579         {
3580                 if (svs.clients[i].csqcentityscope[e])
3581                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3582                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3583         }
3584 }
3585
3586 static void SV_VM_CB_CountEdicts(void)
3587 {
3588         int             i;
3589         prvm_edict_t    *ent;
3590         int             active, models, solid, step;
3591
3592         active = models = solid = step = 0;
3593         for (i=0 ; i<prog->num_edicts ; i++)
3594         {
3595                 ent = PRVM_EDICT_NUM(i);
3596                 if (ent->priv.server->free)
3597                         continue;
3598                 active++;
3599                 if (PRVM_serveredictfloat(ent, solid))
3600                         solid++;
3601                 if (PRVM_serveredictstring(ent, model))
3602                         models++;
3603                 if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
3604                         step++;
3605         }
3606
3607         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3608         Con_Printf("active    :%3i\n", active);
3609         Con_Printf("view      :%3i\n", models);
3610         Con_Printf("touch     :%3i\n", solid);
3611         Con_Printf("step      :%3i\n", step);
3612 }
3613
3614 static qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
3615 {
3616         // remove things from different skill levels or deathmatch
3617         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3618         {
3619                 if (deathmatch.integer)
3620                 {
3621                         if (((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_DEATHMATCH))
3622                         {
3623                                 return false;
3624                         }
3625                 }
3626                 else if ((current_skill <= 0 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_EASY  ))
3627                         || (current_skill == 1 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_MEDIUM))
3628                         || (current_skill >= 2 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_HARD  )))
3629                 {
3630                         return false;
3631                 }
3632         }
3633         return true;
3634 }
3635
3636 static void SV_VM_Setup(void)
3637 {
3638         PRVM_Begin;
3639         PRVM_InitProg( PRVM_SERVERPROG );
3640
3641         // allocate the mempools
3642         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3643         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3644         prog->builtins = vm_sv_builtins;
3645         prog->numbuiltins = vm_sv_numbuiltins;
3646         prog->max_edicts = 512;
3647         if (sv.protocol == PROTOCOL_QUAKE)
3648                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3649         else if (sv.protocol == PROTOCOL_QUAKEDP)
3650                 prog->limit_edicts = 2048; // guessing
3651         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3652                 prog->limit_edicts = 2048; // guessing!
3653         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3654                 prog->limit_edicts = 4096; // guessing!
3655         else
3656                 prog->limit_edicts = MAX_EDICTS;
3657         prog->reserved_edicts = svs.maxclients;
3658         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3659         prog->name = "server";
3660         prog->extensionstring = vm_sv_extensions;
3661         prog->loadintoworld = true;
3662
3663         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
3664         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
3665         prog->init_edict = SV_VM_CB_InitEdict;
3666         prog->free_edict = SV_VM_CB_FreeEdict;
3667         prog->count_edicts = SV_VM_CB_CountEdicts;
3668         prog->load_edict = SV_VM_CB_LoadEdict;
3669         prog->init_cmd = VM_SV_Cmd_Init;
3670         prog->reset_cmd = VM_SV_Cmd_Reset;
3671         prog->error_cmd = Host_Error;
3672         prog->ExecuteProgram = SVVM_ExecuteProgram;
3673
3674         PRVM_LoadProgs( sv_progs.string, SV_REQFUNCS, sv_reqfuncs, SV_REQFIELDS, sv_reqfields, SV_REQGLOBALS, sv_reqglobals);
3675
3676         // some mods compiled with scrambling compilers lack certain critical
3677         // global names and field names such as "self" and "time" and "nextthink"
3678         // so we have to set these offsets manually, matching the entvars_t
3679         // but we only do this if the prog header crc matches, otherwise it's totally freeform
3680         if (prog->progs_crc == PROGHEADER_CRC || prog->progs_crc == PROGHEADER_CRC_TENEBRAE)
3681         {
3682                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, modelindex);
3683                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmin);
3684                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmax);
3685                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ltime);
3686                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movetype);
3687                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, solid);
3688                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, origin);
3689                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, oldorigin);
3690                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, velocity);
3691                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3692                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, avelocity);
3693                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, punchangle);
3694                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3695                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, model);
3696                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3697                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, skin);
3698                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, effects);
3699                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, mins);
3700                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, maxs);
3701                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, size);
3702                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, touch);
3703                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, use);
3704                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3705                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, blocked);
3706                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3707                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3708                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, health);
3709                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frags);
3710                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weapon);
3711                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponmodel);
3712                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponframe);
3713                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, currentammo);
3714                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_shells);
3715                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_nails);
3716                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_rockets);
3717                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_cells);
3718                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, items);
3719                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, takedamage);
3720                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3721                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, deadflag);
3722                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, view_ofs);
3723                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button0);
3724                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button1);
3725                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button2);
3726                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, impulse);
3727                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, fixangle);
3728                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, v_angle);
3729                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, idealpitch);
3730                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, netname);
3731                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, enemy);
3732                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, flags);
3733                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, colormap);
3734                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, team);
3735                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, max_health);
3736                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, teleport_time);
3737                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armortype);
3738                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armorvalue);
3739                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, waterlevel);
3740                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, watertype);
3741                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3742                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3743                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, aiment);
3744                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, goalentity);
3745                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, spawnflags);
3746                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, target);
3747                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, targetname);
3748                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_take);
3749                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_save);
3750                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_inflictor);
3751                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, owner);
3752                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movedir);
3753                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, message);
3754                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, sounds);
3755                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise);
3756                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise1);
3757                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise2);
3758                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise3);
3759                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3760                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, other);
3761                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, world);
3762                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3763                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, frametime);
3764                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, force_retouch);
3765                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, mapname);
3766                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, deathmatch);
3767                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, coop);
3768                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, teamplay);
3769                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, serverflags);
3770                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_secrets);
3771                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_monsters);
3772                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, found_secrets);
3773                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, killed_monsters);
3774                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm1);
3775                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm2);
3776                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm3);
3777                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm4);
3778                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm5);
3779                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm6);
3780                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm7);
3781                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm8);
3782                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm9);
3783                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm10);
3784                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm11);
3785                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm12);
3786                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm13);
3787                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm14);
3788                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm15);
3789                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm16);
3790                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3791                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3792                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3793                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3794                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3795                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3796                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3797                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3798                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3799                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3800                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3801                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3802                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, msg_entity);
3803 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, main);
3804 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, StartFrame);
3805 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPreThink);
3806 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPostThink);
3807 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientKill);
3808 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientConnect);
3809 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PutClientInServer);
3810 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientDisconnect);
3811 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetNewParms);
3812 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetChangeParms);
3813         }
3814         else
3815                 Con_DPrintf("%s: %s system vars have been modified (CRC %i != engine %i), will not load in other engines", PRVM_NAME, sv_progs.string, prog->progs_crc, PROGHEADER_CRC);
3816
3817         // OP_STATE is always supported on server because we add fields/globals for it
3818         prog->flag |= PRVM_OP_STATE;
3819
3820         VM_CustomStats_Clear();//[515]: csqc
3821
3822         PRVM_End;
3823
3824         SV_Prepare_CSQC();
3825 }
3826
3827 void SV_VM_Begin(void)
3828 {
3829         PRVM_Begin;
3830         PRVM_SetProg( PRVM_SERVERPROG );
3831
3832         PRVM_serverglobalfloat(time) = (float) sv.time;
3833 }
3834
3835 void SV_VM_End(void)
3836 {
3837         PRVM_End;
3838 }