sv_main.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // sv_main.c -- server main program
  21
  22 #include "quakedef.h"
  23 #include "sv_demo.h"
  24 #include "libcurl.h"
  25 #include "csprogs.h"
  26 #include "thread.h"
  27
  28 // current client
  29 client_t *host_client;
  30
  31 static void SV_SaveEntFile_f(cmd_state_t *cmd);
  32 static void SV_StartDownload_f(cmd_state_t *cmd);
  33 static void SV_Download_f(cmd_state_t *cmd);
  34 static void SV_VM_Setup(void);
  35 extern cvar_t net_connecttimeout;
  36
  37 cvar_t sv_worldmessage = {CF_SERVER | CF_READONLY, "sv_worldmessage", "", "title of current level"};
  38 cvar_t sv_worldname = {CF_SERVER | CF_READONLY, "sv_worldname", "", "name of current worldmodel"};
  39 cvar_t sv_worldnamenoextension = {CF_SERVER | CF_READONLY, "sv_worldnamenoextension", "", "name of current worldmodel without extension"};
  40 cvar_t sv_worldbasename = {CF_SERVER | CF_READONLY, "sv_worldbasename", "", "name of current worldmodel without maps/ prefix or extension"};
  41
  42 cvar_t sv_disablenotify = {CF_SERVER, "sv_disablenotify", "0", "suppress broadcast prints when certain cvars are changed (CF_NOTIFY flag in engine code)"};
  43 cvar_t coop = {CF_SERVER, "coop","0", "coop mode, 0 = no coop, 1 = coop mode, multiple players playing through the singleplayer game (coop mode also shuts off deathmatch)"};
  44 cvar_t deathmatch = {CF_SERVER, "deathmatch","0", "deathmatch mode, values depend on mod but typically 0 = no deathmatch, 1 = normal deathmatch with respawning weapons, 2 = weapons stay (players can only pick up new weapons)"};
  45 cvar_t fraglimit = {CF_SERVER | CF_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
  46 cvar_t gamecfg = {CF_SERVER, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
  47 cvar_t noexit = {CF_SERVER | CF_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
  48 cvar_t nomonsters = {CF_SERVER, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
  49 cvar_t pausable = {CF_SERVER, "pausable","1", "allow players to pause or not (otherwise, only the server admin can)"};
  50 cvar_t pr_checkextension = {CF_SERVER | CF_READONLY, "pr_checkextension", "1", "indicates to QuakeC that the standard quakec extensions system is available (if 0, quakec should not attempt to use extensions)"};
  51 cvar_t samelevel = {CF_SERVER | CF_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
  52 cvar_t skill = {CF_SERVER, "skill","1", "difficulty level of game, affects monster layouts in levels, 0 = easy, 1 = normal, 2 = hard, 3 = nightmare (same layout as hard but monsters fire twice)"};
  53 cvar_t host_timescale = {CF_CLIENT | CF_SERVER, "host_timescale", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
  54
  55 cvar_t sv_accelerate = {CF_SERVER, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
  56 cvar_t sv_aim = {CF_SERVER | CF_ARCHIVE, "sv_aim", "2", "maximum cosine angle for quake's vertical autoaim, a value above 1 completely disables the autoaim, quake used 0.93"};
  57 cvar_t sv_airaccel_qw = {CF_SERVER, "sv_airaccel_qw", "1", "ratio of QW-style air control as opposed to simple acceleration; when < 0, the speed is clamped against the maximum allowed forward speed after the move"};
  58 cvar_t sv_airaccel_qw_stretchfactor = {CF_SERVER, "sv_airaccel_qw_stretchfactor", "0", "when set, the maximum acceleration increase the player may get compared to forward-acceleration when strafejumping"};
  59 cvar_t sv_airaccel_sideways_friction = {CF_SERVER, "sv_airaccel_sideways_friction", "", "anti-sideways movement stabilization (reduces speed gain when zigzagging); when < 0, only so much friction is applied that braking (by accelerating backwards) cannot be stronger"};
  60 cvar_t sv_airaccelerate = {CF_SERVER, "sv_airaccelerate", "-1", "rate at which a player accelerates to sv_maxairspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
  61 cvar_t sv_airstopaccelerate = {CF_SERVER, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
  62 cvar_t sv_airspeedlimit_nonqw = {CF_SERVER, "sv_airspeedlimit_nonqw", "0", "when set, this is a soft speed limit while in air when using airaccel_qw not equal to 1"};
  63 cvar_t sv_airstrafeaccelerate = {CF_SERVER, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
  64 cvar_t sv_maxairstrafespeed = {CF_SERVER, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
  65 cvar_t sv_airstrafeaccel_qw = {CF_SERVER, "sv_airstrafeaccel_qw", "0", "when set, replacement for sv_airaccel_qw when just strafing"};
  66 cvar_t sv_aircontrol = {CF_SERVER, "sv_aircontrol", "0", "CPMA-style air control"};
  67 cvar_t sv_aircontrol_power = {CF_SERVER, "sv_aircontrol_power", "2", "CPMA-style air control exponent"};
  68 cvar_t sv_aircontrol_penalty = {CF_SERVER, "sv_aircontrol_penalty", "0", "deceleration while using CPMA-style air control"};
  69 cvar_t sv_allowdownloads = {CF_SERVER, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
  70 cvar_t sv_allowdownloads_archive = {CF_SERVER, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
  71 cvar_t sv_allowdownloads_config = {CF_SERVER, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
  72 cvar_t sv_allowdownloads_dlcache = {CF_SERVER, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
  73 cvar_t sv_allowdownloads_inarchive = {CF_SERVER, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
  74 cvar_t sv_areagrid_mingridsize = {CF_SERVER | CF_NOTIFY, "sv_areagrid_mingridsize", "128", "minimum areagrid cell size, smaller values work better for lots of small objects, higher values for large objects"};
  75 cvar_t sv_checkforpacketsduringsleep = {CF_SERVER, "sv_checkforpacketsduringsleep", "0", "uses select() function to wait between frames which can be interrupted by packets being received, instead of Sleep()/usleep()/SDL_Sleep() functions which do not check for packets"};
  76 cvar_t sv_clmovement_enable = {CF_SERVER, "sv_clmovement_enable", "1", "whether to allow clients to use cl_movement prediction, which can cause choppy movement on the server which may annoy other players"};
  77 cvar_t sv_clmovement_minping = {CF_SERVER, "sv_clmovement_minping", "0", "if client ping is below this time in milliseconds, then their ability to use cl_movement prediction is disabled for a while (as they don't need it)"};
  78 cvar_t sv_clmovement_minping_disabletime = {CF_SERVER, "sv_clmovement_minping_disabletime", "1000", "when client falls below minping, disable their prediction for this many milliseconds (should be at least 1000 or else their prediction may turn on/off frequently)"};
  79 cvar_t sv_clmovement_inputtimeout = {CF_SERVER, "sv_clmovement_inputtimeout", "0.2", "when a client does not send input for this many seconds, force them to move anyway (unlike QuakeWorld)"};
  80 cvar_t sv_cullentities_nevercullbmodels = {CF_SERVER, "sv_cullentities_nevercullbmodels", "0", "if enabled the clients are always notified of moving doors and lifts and other submodels of world (warning: eats a lot of network bandwidth on some levels!)"};
  81 cvar_t sv_cullentities_pvs = {CF_SERVER, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
  82 cvar_t sv_cullentities_stats = {CF_SERVER, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  83 cvar_t sv_cullentities_trace = {CF_SERVER, "sv_cullentities_trace", "0", "somewhat slow but very tight culling of hidden entities, minimizes network traffic and makes wallhack cheats useless"};
  84 cvar_t sv_cullentities_trace_delay = {CF_SERVER, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  85 cvar_t sv_cullentities_trace_delay_players = {CF_SERVER, "sv_cullentities_trace_delay_players", "0.2", "number of seconds until the entity gets actually culled if it is a player entity"};
  86 cvar_t sv_cullentities_trace_enlarge = {CF_SERVER, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  87 cvar_t sv_cullentities_trace_expand = {CF_SERVER, "sv_cullentities_trace_expand", "0", "box is expanded by this many units for entity culling"};
  88 cvar_t sv_cullentities_trace_eyejitter = {CF_SERVER, "sv_cullentities_trace_eyejitter", "16", "jitter the eye by this much for each trace"};
  89 cvar_t sv_cullentities_trace_prediction = {CF_SERVER, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
  90 cvar_t sv_cullentities_trace_prediction_time = {CF_SERVER, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
  91 cvar_t sv_cullentities_trace_entityocclusion = {CF_SERVER, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
  92 cvar_t sv_cullentities_trace_samples = {CF_SERVER, "sv_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
  93 cvar_t sv_cullentities_trace_samples_extra = {CF_SERVER, "sv_cullentities_trace_samples_extra", "2", "number of samples to test for entity culling when the entity affects its surroundings by e.g. dlight"};
  94 cvar_t sv_cullentities_trace_samples_players = {CF_SERVER, "sv_cullentities_trace_samples_players", "8", "number of samples to test for entity culling when the entity is a player entity"};
  95 cvar_t sv_debugmove = {CF_SERVER | CF_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
  96 cvar_t sv_echobprint = {CF_SERVER | CF_ARCHIVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
  97 cvar_t sv_edgefriction = {CF_SERVER, "edgefriction", "1", "how much you slow down when nearing a ledge you might fall off, multiplier of sv_friction (Quake used 2, QuakeWorld used 1 due to a bug in physics code)"};
  98 cvar_t sv_entpatch = {CF_SERVER, "sv_entpatch", "1", "enables loading of .ent files to override entities in the bsp (for example Threewave CTF server pack contains .ent patch files enabling play of CTF on id1 maps)"};
  99 cvar_t sv_freezenonclients = {CF_SERVER | CF_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
 100 cvar_t sv_friction = {CF_SERVER | CF_NOTIFY, "sv_friction","4", "how fast you slow down"};
 101 cvar_t sv_gameplayfix_blowupfallenzombies = {CF_SERVER, "sv_gameplayfix_blowupfallenzombies", "1", "causes findradius to detect SOLID_NOT entities such as zombies and corpses on the floor, allowing splash damage to apply to them"};
 102 cvar_t sv_gameplayfix_consistentplayerprethink = {CF_SERVER, "sv_gameplayfix_consistentplayerprethink", "0", "improves fairness in multiplayer by running all PlayerPreThink functions (which fire weapons) before performing physics, then running all PlayerPostThink functions"};
 103 cvar_t sv_gameplayfix_delayprojectiles = {CF_SERVER, "sv_gameplayfix_delayprojectiles", "1", "causes entities to not move on the same frame they are spawned, meaning that projectiles wait until the next frame to perform their first move, giving proper interpolation and rocket trails, but making weapons harder to use at low framerates"};
 104 cvar_t sv_gameplayfix_droptofloorstartsolid = {CF_SERVER, "sv_gameplayfix_droptofloorstartsolid", "1", "prevents items and monsters that start in a solid area from falling out of the level (makes droptofloor treat trace_startsolid as an acceptable outcome)"};
 105 cvar_t sv_gameplayfix_droptofloorstartsolid_nudgetocorrect = {CF_SERVER, "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect", "1", "tries to nudge stuck items and monsters out of walls before droptofloor is performed"};
 106 cvar_t sv_gameplayfix_easierwaterjump = {CF_SERVER, "sv_gameplayfix_easierwaterjump", "1", "changes water jumping to make it easier to get out of water (exactly like in QuakeWorld)"};
 107 cvar_t sv_gameplayfix_findradiusdistancetobox = {CF_SERVER, "sv_gameplayfix_findradiusdistancetobox", "1", "causes findradius to check the distance to the corner of a box rather than the center of the box, makes findradius detect bmodels such as very large doors that would otherwise be unaffected by splash damage"};
 108 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {CF_SERVER, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
 109 cvar_t sv_gameplayfix_grenadebouncedownslopes = {CF_SERVER, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
 110 cvar_t sv_gameplayfix_multiplethinksperframe = {CF_SERVER, "sv_gameplayfix_multiplethinksperframe", "1", "allows entities to think more often than the server framerate, primarily useful for very high fire rate weapons"};
 111 cvar_t sv_gameplayfix_noairborncorpse = {CF_SERVER, "sv_gameplayfix_noairborncorpse", "1", "causes entities (corpses, items, etc) sitting ontop of moving entities (players) to fall when the moving entity (player) is no longer supporting them"};
 112 cvar_t sv_gameplayfix_noairborncorpse_allowsuspendeditems = {CF_SERVER, "sv_gameplayfix_noairborncorpse_allowsuspendeditems", "1", "causes entities sitting ontop of objects that are instantaneously remove to float in midair (special hack to allow a common level design trick for floating items)"};
 113 cvar_t sv_gameplayfix_nudgeoutofsolid = {CF_SERVER, "sv_gameplayfix_nudgeoutofsolid", "0", "attempts to fix physics errors (where an object ended up in solid for some reason)"};
 114 cvar_t sv_gameplayfix_nudgeoutofsolid_separation = {CF_SERVER, "sv_gameplayfix_nudgeoutofsolid_separation", "0.03125", "keep objects this distance apart to prevent collision issues on seams"};
 115 cvar_t sv_gameplayfix_q2airaccelerate = {CF_SERVER, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
 116 cvar_t sv_gameplayfix_nogravityonground = {CF_SERVER, "sv_gameplayfix_nogravityonground", "0", "turn off gravity when on ground (to get rid of sliding)"};
 117 cvar_t sv_gameplayfix_setmodelrealbox = {CF_SERVER, "sv_gameplayfix_setmodelrealbox", "1", "fixes a bug in Quake that made setmodel always set the entity box to ('-16 -16 -16', '16 16 16') rather than properly checking the model box, breaks some poorly coded mods"};
 118 cvar_t sv_gameplayfix_slidemoveprojectiles = {CF_SERVER, "sv_gameplayfix_slidemoveprojectiles", "1", "allows MOVETYPE_FLY/FLYMISSILE/TOSS/BOUNCE/BOUNCEMISSILE entities to finish their move in a frame even if they hit something, fixes 'gravity accumulation' bug for grenades on steep slopes"};
 119 cvar_t sv_gameplayfix_stepdown = {CF_SERVER, "sv_gameplayfix_stepdown", "0", "attempts to step down stairs, not just up them (prevents the familiar thud..thud..thud.. when running down stairs and slopes)"};
 120 cvar_t sv_gameplayfix_stepmultipletimes = {CF_SERVER, "sv_gameplayfix_stepmultipletimes", "0", "applies step-up onto a ledge more than once in a single frame, when running quickly up stairs"};
 121 cvar_t sv_gameplayfix_nostepmoveonsteepslopes = {CF_SERVER, "sv_gameplayfix_nostepmoveonsteepslopes", "0", "crude fix which prevents MOVETYPE_STEP (not swimming or flying) to move on slopes whose angle is bigger than 45 degree"};
 122 cvar_t sv_gameplayfix_swiminbmodels = {CF_SERVER, "sv_gameplayfix_swiminbmodels", "1", "causes pointcontents (used to determine if you are in a liquid) to check bmodel entities as well as the world model, so you can swim around in (possibly moving) water bmodel entities"};
 123 cvar_t sv_gameplayfix_upwardvelocityclearsongroundflag = {CF_SERVER, "sv_gameplayfix_upwardvelocityclearsongroundflag", "1", "prevents monsters, items, and most other objects from being stuck to the floor when pushed around by damage, and other situations in mods"};
 124 cvar_t sv_gameplayfix_downtracesupportsongroundflag = {CF_SERVER, "sv_gameplayfix_downtracesupportsongroundflag", "1", "prevents very short moves from clearing onground (which may make the player stick to the floor at high netfps)"};
 125 cvar_t sv_gameplayfix_q1bsptracelinereportstexture = {CF_SERVER, "sv_gameplayfix_q1bsptracelinereportstexture", "1", "enables mods to get accurate trace_texture results on q1bsp by using a surface-hitting traceline implementation rather than the standard solidbsp method, q3bsp always reports texture accurately"};
 126 cvar_t sv_gameplayfix_unstickplayers = {CF_SERVER, "sv_gameplayfix_unstickplayers", "1", "big hack to try and fix the rare case of MOVETYPE_WALK entities getting stuck in the world clipping hull."};
 127 cvar_t sv_gameplayfix_unstickentities = {CF_SERVER, "sv_gameplayfix_unstickentities", "1", "hack to check if entities are crossing world collision hull and try to move them to the right position"};
 128 cvar_t sv_gameplayfix_fixedcheckwatertransition = {CF_SERVER, "sv_gameplayfix_fixedcheckwatertransition", "1", "fix two very stupid bugs in SV_CheckWaterTransition when watertype is CONTENTS_EMPTY (the bugs causes waterlevel to be 1 on first frame, -1 on second frame - the fix makes it 0 on both frames)"};
 129 cvar_t sv_gameplayfix_customstats = {CF_SERVER, "sv_gameplayfix_customstats", "0", "Disable stats higher than 220, for use by certain games such as Xonotic"};
 130 cvar_t sv_gravity = {CF_SERVER | CF_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 131 cvar_t sv_init_frame_count = {CF_SERVER, "sv_init_frame_count", "2", "number of frames to run to allow everything to settle before letting clients connect"};
 132 cvar_t sv_idealpitchscale = {CF_SERVER, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 133 cvar_t sv_jumpstep = {CF_SERVER | CF_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping"};
 134 cvar_t sv_jumpvelocity = {CF_SERVER, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 135 cvar_t sv_maxairspeed = {CF_SERVER, "sv_maxairspeed", "30", "maximum speed a player can accelerate to when airborn (note that it is possible to completely stop by moving the opposite direction)"};
 136 cvar_t sv_maxrate = {CF_SERVER | CF_ARCHIVE | CF_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 137 cvar_t sv_maxspeed = {CF_SERVER | CF_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 138 cvar_t sv_maxvelocity = {CF_SERVER | CF_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 139 cvar_t sv_nostep = {CF_SERVER | CF_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 140 cvar_t sv_playerphysicsqc = {CF_SERVER | CF_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 141 cvar_t sv_progs = {CF_SERVER, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 142 cvar_t sv_protocolname = {CF_SERVER, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 143 cvar_t sv_random_seed = {CF_SERVER, "sv_random_seed", "", "random seed; when set, on every map start this random seed is used to initialize the random number generator. Don't touch it unless for benchmarking or debugging"};
 144 cvar_t host_limitlocal = {CF_SERVER, "host_limitlocal", "0", "whether to apply rate limiting to the local player in a listen server (only useful for testing)"};
 145 cvar_t sv_sound_land = {CF_SERVER, "sv_sound_land", "demon/dland2.wav", "sound to play when MOVETYPE_STEP entity hits the ground at high speed (empty cvar disables the sound)"};
 146 cvar_t sv_sound_watersplash = {CF_SERVER, "sv_sound_watersplash", "misc/h2ohit1.wav", "sound to play when MOVETYPE_FLY/TOSS/BOUNCE/STEP entity enters or leaves water (empty cvar disables the sound)"};
 147 cvar_t sv_stepheight = {CF_SERVER | CF_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 148 cvar_t sv_stopspeed = {CF_SERVER | CF_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 149 cvar_t sv_wallfriction = {CF_SERVER | CF_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 150 cvar_t sv_wateraccelerate = {CF_SERVER, "sv_wateraccelerate", "-1", "rate at which a player accelerates to sv_maxspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
 151 cvar_t sv_waterfriction = {CF_SERVER | CF_NOTIFY, "sv_waterfriction","-1", "how fast you slow down, if less than 0 the sv_friction variable is used instead"};
 152 cvar_t sv_warsowbunny_airforwardaccel = {CF_SERVER, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 153 cvar_t sv_warsowbunny_accel = {CF_SERVER, "sv_warsowbunny_accel", "0.1585", "how fast you accelerate until after reaching sv_maxspeed (it gets harder as you near sv_warsowbunny_topspeed)"};
 154 cvar_t sv_warsowbunny_topspeed = {CF_SERVER, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 155 cvar_t sv_warsowbunny_turnaccel = {CF_SERVER, "sv_warsowbunny_turnaccel", "0", "max sharpness of turns (also master switch for the sv_warsowbunny_* mode; set this to 9 to enable)"};
 156 cvar_t sv_warsowbunny_backtosideratio = {CF_SERVER, "sv_warsowbunny_backtosideratio", "0.8", "lower values make it easier to change direction without losing speed; the drawback is \"understeering\" in sharp turns"};
 157 cvar_t sv_onlycsqcnetworking = {CF_SERVER, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
 158 cvar_t sv_areadebug = {CF_SERVER, "sv_areadebug", "0", "disables physics culling for debugging purposes (only for development)"};
 159 cvar_t sys_ticrate = {CF_SERVER | CF_ARCHIVE, "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"};
 160 cvar_t teamplay = {CF_SERVER | CF_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"};
 161 cvar_t timelimit = {CF_SERVER | CF_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 162 cvar_t sv_threaded = {CF_SERVER, "sv_threaded", "0", "enables a separate thread for server code, improving performance, especially when hosting a game while playing, EXPERIMENTAL, may be crashy"};
 163
 164 cvar_t sv_rollspeed = {CF_CLIENT, "sv_rollspeed", "200", "how much strafing is necessary to tilt the view"};
 165 cvar_t sv_rollangle = {CF_CLIENT, "sv_rollangle", "2.0", "how much to tilt the view when strafing"};
 166
 167 cvar_t saved1 = {CF_SERVER | CF_ARCHIVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 168 cvar_t saved2 = {CF_SERVER | CF_ARCHIVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 169 cvar_t saved3 = {CF_SERVER | CF_ARCHIVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 170 cvar_t saved4 = {CF_SERVER | CF_ARCHIVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 171 cvar_t savedgamecfg = {CF_SERVER | CF_ARCHIVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 172 cvar_t scratch1 = {CF_SERVER, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 173 cvar_t scratch2 = {CF_SERVER,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 174 cvar_t scratch3 = {CF_SERVER, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 175 cvar_t scratch4 = {CF_SERVER, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 176 cvar_t temp1 = {CF_SERVER, "temp1","0", "general cvar for mods to use, in stock id1 this selects which death animation to use on players (0 = random death, other values select specific death scenes)"};
 177
 178 cvar_t nehx00 = {CF_SERVER, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 179 cvar_t nehx01 = {CF_SERVER, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 180 cvar_t nehx02 = {CF_SERVER, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 181 cvar_t nehx03 = {CF_SERVER, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 182 cvar_t nehx04 = {CF_SERVER, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 183 cvar_t nehx05 = {CF_SERVER, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 184 cvar_t nehx06 = {CF_SERVER, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 185 cvar_t nehx07 = {CF_SERVER, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 186 cvar_t nehx08 = {CF_SERVER, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 187 cvar_t nehx09 = {CF_SERVER, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 188 cvar_t nehx10 = {CF_SERVER, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 189 cvar_t nehx11 = {CF_SERVER, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 190 cvar_t nehx12 = {CF_SERVER, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 191 cvar_t nehx13 = {CF_SERVER, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 192 cvar_t nehx14 = {CF_SERVER, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 193 cvar_t nehx15 = {CF_SERVER, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 194 cvar_t nehx16 = {CF_SERVER, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 195 cvar_t nehx17 = {CF_SERVER, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 196 cvar_t nehx18 = {CF_SERVER, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 197 cvar_t nehx19 = {CF_SERVER, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 198 cvar_t cutscene = {CF_SERVER, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 199
 200 cvar_t sv_autodemo_perclient = {CF_SERVER | CF_ARCHIVE, "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)"};
 201 cvar_t sv_autodemo_perclient_nameformat = {CF_SERVER | CF_ARCHIVE, "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)" };
 202 cvar_t sv_autodemo_perclient_discardable = {CF_SERVER | CF_ARCHIVE, "sv_autodemo_perclient_discardable", "0", "Allow game code to decide whether a demo should be kept or discarded."};
 203
 204 cvar_t halflifebsp = {CF_SERVER, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 205 cvar_t sv_mapformat_is_quake2 = {CF_SERVER, "sv_mapformat_is_quake2", "0", "indicates the current map is q2bsp format (useful to know because of different entity behaviors, .frame on submodels and other things)"};
 206 cvar_t sv_mapformat_is_quake3 = {CF_SERVER, "sv_mapformat_is_quake3", "0", "indicates the current map is q2bsp format (useful to know because of different entity behaviors)"};
 207
 208 server_t sv;
 209 server_static_t svs;
 210
 211 mempool_t *sv_mempool = NULL;
 212
 213 extern cvar_t host_timescale;
 214 extern float            scr_centertime_off;
 215
 216 // MUST match effectnameindex_t in client.h
 217 static const char *standardeffectnames[EFFECT_TOTAL] =
 218 {
 219         "",
 220         "TE_GUNSHOT",
 221         "TE_GUNSHOTQUAD",
 222         "TE_SPIKE",
 223         "TE_SPIKEQUAD",
 224         "TE_SUPERSPIKE",
 225         "TE_SUPERSPIKEQUAD",
 226         "TE_WIZSPIKE",
 227         "TE_KNIGHTSPIKE",
 228         "TE_EXPLOSION",
 229         "TE_EXPLOSIONQUAD",
 230         "TE_TAREXPLOSION",
 231         "TE_TELEPORT",
 232         "TE_LAVASPLASH",
 233         "TE_SMALLFLASH",
 234         "TE_FLAMEJET",
 235         "EF_FLAME",
 236         "TE_BLOOD",
 237         "TE_SPARK",
 238         "TE_PLASMABURN",
 239         "TE_TEI_G3",
 240         "TE_TEI_SMOKE",
 241         "TE_TEI_BIGEXPLOSION",
 242         "TE_TEI_PLASMAHIT",
 243         "EF_STARDUST",
 244         "TR_ROCKET",
 245         "TR_GRENADE",
 246         "TR_BLOOD",
 247         "TR_WIZSPIKE",
 248         "TR_SLIGHTBLOOD",
 249         "TR_KNIGHTSPIKE",
 250         "TR_VORESPIKE",
 251         "TR_NEHAHRASMOKE",
 252         "TR_NEXUIZPLASMA",
 253         "TR_GLOWTRAIL",
 254         "SVC_PARTICLE"
 255 };
 256
 257 #define SV_REQFUNCS 0
 258 #define sv_reqfuncs NULL
 259
 260 //#define SV_REQFUNCS (sizeof(sv_reqfuncs) / sizeof(const char *))
 261 //static const char *sv_reqfuncs[] = {
 262 //};
 263
 264 #define SV_REQFIELDS (sizeof(sv_reqfields) / sizeof(prvm_required_field_t))
 265
 266 prvm_required_field_t sv_reqfields[] =
 267 {
 268 #define PRVM_DECLARE_serverglobalfloat(x)
 269 #define PRVM_DECLARE_serverglobalvector(x)
 270 #define PRVM_DECLARE_serverglobalstring(x)
 271 #define PRVM_DECLARE_serverglobaledict(x)
 272 #define PRVM_DECLARE_serverglobalfunction(x)
 273 #define PRVM_DECLARE_clientglobalfloat(x)
 274 #define PRVM_DECLARE_clientglobalvector(x)
 275 #define PRVM_DECLARE_clientglobalstring(x)
 276 #define PRVM_DECLARE_clientglobaledict(x)
 277 #define PRVM_DECLARE_clientglobalfunction(x)
 278 #define PRVM_DECLARE_menuglobalfloat(x)
 279 #define PRVM_DECLARE_menuglobalvector(x)
 280 #define PRVM_DECLARE_menuglobalstring(x)
 281 #define PRVM_DECLARE_menuglobaledict(x)
 282 #define PRVM_DECLARE_menuglobalfunction(x)
 283 #define PRVM_DECLARE_serverfieldfloat(x) {ev_float, #x},
 284 #define PRVM_DECLARE_serverfieldvector(x) {ev_vector, #x},
 285 #define PRVM_DECLARE_serverfieldstring(x) {ev_string, #x},
 286 #define PRVM_DECLARE_serverfieldedict(x) {ev_entity, #x},
 287 #define PRVM_DECLARE_serverfieldfunction(x) {ev_function, #x},
 288 #define PRVM_DECLARE_clientfieldfloat(x)
 289 #define PRVM_DECLARE_clientfieldvector(x)
 290 #define PRVM_DECLARE_clientfieldstring(x)
 291 #define PRVM_DECLARE_clientfieldedict(x)
 292 #define PRVM_DECLARE_clientfieldfunction(x)
 293 #define PRVM_DECLARE_menufieldfloat(x)
 294 #define PRVM_DECLARE_menufieldvector(x)
 295 #define PRVM_DECLARE_menufieldstring(x)
 296 #define PRVM_DECLARE_menufieldedict(x)
 297 #define PRVM_DECLARE_menufieldfunction(x)
 298 #define PRVM_DECLARE_serverfunction(x)
 299 #define PRVM_DECLARE_clientfunction(x)
 300 #define PRVM_DECLARE_menufunction(x)
 301 #define PRVM_DECLARE_field(x)
 302 #define PRVM_DECLARE_global(x)
 303 #define PRVM_DECLARE_function(x)
 304 #include "prvm_offsets.h"
 305 #undef PRVM_DECLARE_serverglobalfloat
 306 #undef PRVM_DECLARE_serverglobalvector
 307 #undef PRVM_DECLARE_serverglobalstring
 308 #undef PRVM_DECLARE_serverglobaledict
 309 #undef PRVM_DECLARE_serverglobalfunction
 310 #undef PRVM_DECLARE_clientglobalfloat
 311 #undef PRVM_DECLARE_clientglobalvector
 312 #undef PRVM_DECLARE_clientglobalstring
 313 #undef PRVM_DECLARE_clientglobaledict
 314 #undef PRVM_DECLARE_clientglobalfunction
 315 #undef PRVM_DECLARE_menuglobalfloat
 316 #undef PRVM_DECLARE_menuglobalvector
 317 #undef PRVM_DECLARE_menuglobalstring
 318 #undef PRVM_DECLARE_menuglobaledict
 319 #undef PRVM_DECLARE_menuglobalfunction
 320 #undef PRVM_DECLARE_serverfieldfloat
 321 #undef PRVM_DECLARE_serverfieldvector
 322 #undef PRVM_DECLARE_serverfieldstring
 323 #undef PRVM_DECLARE_serverfieldedict
 324 #undef PRVM_DECLARE_serverfieldfunction
 325 #undef PRVM_DECLARE_clientfieldfloat
 326 #undef PRVM_DECLARE_clientfieldvector
 327 #undef PRVM_DECLARE_clientfieldstring
 328 #undef PRVM_DECLARE_clientfieldedict
 329 #undef PRVM_DECLARE_clientfieldfunction
 330 #undef PRVM_DECLARE_menufieldfloat
 331 #undef PRVM_DECLARE_menufieldvector
 332 #undef PRVM_DECLARE_menufieldstring
 333 #undef PRVM_DECLARE_menufieldedict
 334 #undef PRVM_DECLARE_menufieldfunction
 335 #undef PRVM_DECLARE_serverfunction
 336 #undef PRVM_DECLARE_clientfunction
 337 #undef PRVM_DECLARE_menufunction
 338 #undef PRVM_DECLARE_field
 339 #undef PRVM_DECLARE_global
 340 #undef PRVM_DECLARE_function
 341 };
 342
 343 #define SV_REQGLOBALS (sizeof(sv_reqglobals) / sizeof(prvm_required_field_t))
 344
 345 prvm_required_field_t sv_reqglobals[] =
 346 {
 347 #define PRVM_DECLARE_serverglobalfloat(x) {ev_float, #x},
 348 #define PRVM_DECLARE_serverglobalvector(x) {ev_vector, #x},
 349 #define PRVM_DECLARE_serverglobalstring(x) {ev_string, #x},
 350 #define PRVM_DECLARE_serverglobaledict(x) {ev_entity, #x},
 351 #define PRVM_DECLARE_serverglobalfunction(x) {ev_function, #x},
 352 #define PRVM_DECLARE_clientglobalfloat(x)
 353 #define PRVM_DECLARE_clientglobalvector(x)
 354 #define PRVM_DECLARE_clientglobalstring(x)
 355 #define PRVM_DECLARE_clientglobaledict(x)
 356 #define PRVM_DECLARE_clientglobalfunction(x)
 357 #define PRVM_DECLARE_menuglobalfloat(x)
 358 #define PRVM_DECLARE_menuglobalvector(x)
 359 #define PRVM_DECLARE_menuglobalstring(x)
 360 #define PRVM_DECLARE_menuglobaledict(x)
 361 #define PRVM_DECLARE_menuglobalfunction(x)
 362 #define PRVM_DECLARE_serverfieldfloat(x)
 363 #define PRVM_DECLARE_serverfieldvector(x)
 364 #define PRVM_DECLARE_serverfieldstring(x)
 365 #define PRVM_DECLARE_serverfieldedict(x)
 366 #define PRVM_DECLARE_serverfieldfunction(x)
 367 #define PRVM_DECLARE_clientfieldfloat(x)
 368 #define PRVM_DECLARE_clientfieldvector(x)
 369 #define PRVM_DECLARE_clientfieldstring(x)
 370 #define PRVM_DECLARE_clientfieldedict(x)
 371 #define PRVM_DECLARE_clientfieldfunction(x)
 372 #define PRVM_DECLARE_menufieldfloat(x)
 373 #define PRVM_DECLARE_menufieldvector(x)
 374 #define PRVM_DECLARE_menufieldstring(x)
 375 #define PRVM_DECLARE_menufieldedict(x)
 376 #define PRVM_DECLARE_menufieldfunction(x)
 377 #define PRVM_DECLARE_serverfunction(x)
 378 #define PRVM_DECLARE_clientfunction(x)
 379 #define PRVM_DECLARE_menufunction(x)
 380 #define PRVM_DECLARE_field(x)
 381 #define PRVM_DECLARE_global(x)
 382 #define PRVM_DECLARE_function(x)
 383 #include "prvm_offsets.h"
 384 #undef PRVM_DECLARE_serverglobalfloat
 385 #undef PRVM_DECLARE_serverglobalvector
 386 #undef PRVM_DECLARE_serverglobalstring
 387 #undef PRVM_DECLARE_serverglobaledict
 388 #undef PRVM_DECLARE_serverglobalfunction
 389 #undef PRVM_DECLARE_clientglobalfloat
 390 #undef PRVM_DECLARE_clientglobalvector
 391 #undef PRVM_DECLARE_clientglobalstring
 392 #undef PRVM_DECLARE_clientglobaledict
 393 #undef PRVM_DECLARE_clientglobalfunction
 394 #undef PRVM_DECLARE_menuglobalfloat
 395 #undef PRVM_DECLARE_menuglobalvector
 396 #undef PRVM_DECLARE_menuglobalstring
 397 #undef PRVM_DECLARE_menuglobaledict
 398 #undef PRVM_DECLARE_menuglobalfunction
 399 #undef PRVM_DECLARE_serverfieldfloat
 400 #undef PRVM_DECLARE_serverfieldvector
 401 #undef PRVM_DECLARE_serverfieldstring
 402 #undef PRVM_DECLARE_serverfieldedict
 403 #undef PRVM_DECLARE_serverfieldfunction
 404 #undef PRVM_DECLARE_clientfieldfloat
 405 #undef PRVM_DECLARE_clientfieldvector
 406 #undef PRVM_DECLARE_clientfieldstring
 407 #undef PRVM_DECLARE_clientfieldedict
 408 #undef PRVM_DECLARE_clientfieldfunction
 409 #undef PRVM_DECLARE_menufieldfloat
 410 #undef PRVM_DECLARE_menufieldvector
 411 #undef PRVM_DECLARE_menufieldstring
 412 #undef PRVM_DECLARE_menufieldedict
 413 #undef PRVM_DECLARE_menufieldfunction
 414 #undef PRVM_DECLARE_serverfunction
 415 #undef PRVM_DECLARE_clientfunction
 416 #undef PRVM_DECLARE_menufunction
 417 #undef PRVM_DECLARE_field
 418 #undef PRVM_DECLARE_global
 419 #undef PRVM_DECLARE_function
 420 };
 421
 422 static void Host_Timescale_c(cvar_t *var)
 423 {
 424         if(var->value < 0.00001 && var->value != 0)
 425                 Cvar_SetValueQuick(var, 0);
 426 }
 427
 428 //============================================================================
 429
 430 static void SV_AreaStats_f(cmd_state_t *cmd)
 431 {
 432         World_PrintAreaStats(&sv.world, "server");
 433 }
 434
 435 static qbool SV_CanSave(void)
 436 {
 437         prvm_prog_t *prog = SVVM_prog;
 438         if(SV_IsLocalServer() == 1)
 439         {
 440                 // singleplayer checks
 441                 if ((svs.clients[0].active && PRVM_serveredictfloat(svs.clients[0].edict, deadflag)))
 442                 {
 443                         Con_Print("Can't savegame with a dead player\n");
 444                         return false;
 445                 }
 446
 447                 if(host.hook.CL_Intermission && host.hook.CL_Intermission())
 448                 {
 449                         Con_Print("Can't save in intermission.\n");
 450                         return false;
 451                 }
 452         }
 453         else
 454                 Con_Print(CON_WARN "Warning: saving a multiplayer game may have strange results when restored (to properly resume, all players must join in the same player slots and then the game can be reloaded).\n");
 455         return true;
 456
 457 }
 458
 459 static void SV_ServerOptions (void)
 460 {
 461         int i;
 462
 463         // general default
 464         svs.maxclients = 8;
 465
 466 // COMMANDLINEOPTION: Server: -dedicated [playerlimit] starts a dedicated server (with a command console), default playerlimit is 8
 467 // COMMANDLINEOPTION: Server: -listen [playerlimit] starts a multiplayer server with graphical client, like singleplayer but other players can connect, default playerlimit is 8
 468         // if no client is in the executable or -dedicated is specified on
 469         // commandline, start a dedicated server
 470         i = Sys_CheckParm ("-dedicated");
 471         if (i || !cl_available)
 472         {
 473                 cls.state = ca_dedicated;
 474                 // check for -dedicated specifying how many players
 475                 if (i && i + 1 < sys.argc && atoi (sys.argv[i+1]) >= 1)
 476                         svs.maxclients = atoi (sys.argv[i+1]);
 477                 if (Sys_CheckParm ("-listen"))
 478                         Con_Printf ("Only one of -dedicated or -listen can be specified\n");
 479                 // default sv_public on for dedicated servers (often hosted by serious administrators), off for listen servers (often hosted by clueless users)
 480                 Cvar_SetValue(&cvars_all, "sv_public", 1);
 481         }
 482         else if (cl_available)
 483         {
 484                 // client exists and not dedicated, check if -listen is specified
 485                 cls.state = ca_disconnected;
 486                 i = Sys_CheckParm ("-listen");
 487                 if (i)
 488                 {
 489                         // default players unless specified
 490                         if (i + 1 < sys.argc && atoi (sys.argv[i+1]) >= 1)
 491                                 svs.maxclients = atoi (sys.argv[i+1]);
 492                 }
 493                 else
 494                 {
 495                         // default players in some games, singleplayer in most
 496                         if (gamemode != GAME_GOODVSBAD2 && !IS_NEXUIZ_DERIVED(gamemode) && gamemode != GAME_BATTLEMECH)
 497                                 svs.maxclients = 1;
 498                 }
 499         }
 500
 501         svs.maxclients = svs.maxclients_next = bound(1, svs.maxclients, MAX_SCOREBOARD);
 502
 503         svs.clients = (client_t *)Mem_Alloc(sv_mempool, sizeof(client_t) * svs.maxclients);
 504
 505         if (svs.maxclients > 1 && !deathmatch.integer && !coop.integer)
 506                 Cvar_SetValueQuick(&deathmatch, 1);
 507 }
 508
 509 /*
 510 ===============
 511 SV_Init
 512 ===============
 513 */
 514 void SV_Init (void)
 515 {
 516         // init the csqc progs cvars, since they are updated/used by the server code
 517         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 518         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 519         extern cvar_t csqc_progcrc;
 520         extern cvar_t csqc_progsize;
 521         extern cvar_t csqc_usedemoprogs;
 522
 523         Cvar_RegisterVariable(&sv_worldmessage);
 524         Cvar_RegisterVariable(&sv_worldname);
 525         Cvar_RegisterVariable(&sv_worldnamenoextension);
 526         Cvar_RegisterVariable(&sv_worldbasename);
 527
 528         Cvar_RegisterVariable (&csqc_progname);
 529         Cvar_RegisterVariable (&csqc_progcrc);
 530         Cvar_RegisterVariable (&csqc_progsize);
 531         Cvar_RegisterVariable (&csqc_usedemoprogs);
 532
 533         Cmd_AddCommand(CF_SHARED, "sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 534         Cmd_AddCommand(CF_SHARED, "sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 535         Cmd_AddCommand(CF_CLIENT | CF_SERVER_FROM_CLIENT, "sv_startdownload", SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 536         Cmd_AddCommand(CF_CLIENT | CF_SERVER_FROM_CLIENT, "download", SV_Download_f, "downloads a specified file from the server");
 537
 538         Cvar_RegisterVariable (&sv_disablenotify);
 539         Cvar_RegisterVariable (&coop);
 540         Cvar_RegisterVariable (&deathmatch);
 541         Cvar_RegisterVariable (&fraglimit);
 542         Cvar_RegisterVariable (&gamecfg);
 543         Cvar_RegisterVariable (&noexit);
 544         Cvar_RegisterVariable (&nomonsters);
 545         Cvar_RegisterVariable (&pausable);
 546         Cvar_RegisterVariable (&pr_checkextension);
 547         Cvar_RegisterVariable (&samelevel);
 548         Cvar_RegisterVariable (&skill);
 549         Cvar_RegisterVariable (&host_timescale);
 550         Cvar_RegisterCallback (&host_timescale, Host_Timescale_c);
 551         Cvar_RegisterAlias (&host_timescale, "slowmo");
 552         Cvar_RegisterAlias (&host_timescale, "timescale");
 553         Cvar_RegisterVariable (&sv_accelerate);
 554         Cvar_RegisterVariable (&sv_aim);
 555         Cvar_RegisterVariable (&sv_airaccel_qw);
 556         Cvar_RegisterVariable (&sv_airaccel_qw_stretchfactor);
 557         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 558         Cvar_RegisterVariable (&sv_airaccelerate);
 559         Cvar_RegisterVariable (&sv_airstopaccelerate);
 560         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 561         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 562         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
 563         Cvar_RegisterVariable (&sv_airspeedlimit_nonqw);
 564         Cvar_RegisterVariable (&sv_aircontrol);
 565         Cvar_RegisterVariable (&sv_aircontrol_power);
 566         Cvar_RegisterVariable (&sv_aircontrol_penalty);
 567         Cvar_RegisterVariable (&sv_allowdownloads);
 568         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 569         Cvar_RegisterVariable (&sv_allowdownloads_config);
 570         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 571         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 572         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 573         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 574         Cvar_RegisterVariable (&sv_clmovement_enable);
 575         Cvar_RegisterVariable (&sv_clmovement_minping);
 576         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 577         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 578         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 579         Cvar_RegisterVariable (&sv_cullentities_pvs);
 580         Cvar_RegisterVariable (&sv_cullentities_stats);
 581         Cvar_RegisterVariable (&sv_cullentities_trace);
 582         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 583         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 584         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 585         Cvar_RegisterVariable (&sv_cullentities_trace_expand);
 586         Cvar_RegisterVariable (&sv_cullentities_trace_eyejitter);
 587         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 588         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 589         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 590         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 591         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 592         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 593         Cvar_RegisterVariable (&sv_debugmove);
 594         Cvar_RegisterVariable (&sv_echobprint);
 595         Cvar_RegisterVariable (&sv_edgefriction);
 596         Cvar_RegisterVariable (&sv_entpatch);
 597         Cvar_RegisterVariable (&sv_freezenonclients);
 598         Cvar_RegisterVariable (&sv_friction);
 599         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 600         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
 601         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 602         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 603         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 604         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 605         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 606         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 607         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 608         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 609         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 610         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 611         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
 612         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_separation);
 613         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 614         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
 615         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 616         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 617         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 618         Cvar_RegisterVariable (&sv_gameplayfix_stepmultipletimes);
 619         Cvar_RegisterVariable (&sv_gameplayfix_nostepmoveonsteepslopes);
 620         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 621         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 622         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
 623         Cvar_RegisterVariable (&sv_gameplayfix_q1bsptracelinereportstexture);
 624         Cvar_RegisterVariable (&sv_gameplayfix_unstickplayers);
 625         Cvar_RegisterVariable (&sv_gameplayfix_unstickentities);
 626         Cvar_RegisterVariable (&sv_gameplayfix_fixedcheckwatertransition);
 627         Cvar_RegisterVariable (&sv_gameplayfix_customstats);
 628         Cvar_RegisterVariable (&sv_gravity);
 629         Cvar_RegisterVariable (&sv_init_frame_count);
 630         Cvar_RegisterVariable (&sv_idealpitchscale);
 631         Cvar_RegisterVariable (&sv_jumpstep);
 632         Cvar_RegisterVariable (&sv_jumpvelocity);
 633         Cvar_RegisterVariable (&sv_maxairspeed);
 634         Cvar_RegisterVariable (&sv_maxrate);
 635         Cvar_RegisterVariable (&sv_maxspeed);
 636         Cvar_RegisterVariable (&sv_maxvelocity);
 637         Cvar_RegisterVariable (&sv_nostep);
 638         Cvar_RegisterVariable (&sv_playerphysicsqc);
 639         Cvar_RegisterVariable (&sv_progs);
 640         Cvar_RegisterVariable (&sv_protocolname);
 641         Cvar_RegisterVariable (&sv_random_seed);
 642         Cvar_RegisterVariable (&host_limitlocal);
 643         Cvar_RegisterAlias(&host_limitlocal, "sv_ratelimitlocalplayer");
 644         Cvar_RegisterVariable (&sv_sound_land);
 645         Cvar_RegisterVariable (&sv_sound_watersplash);
 646         Cvar_RegisterVariable (&sv_stepheight);
 647         Cvar_RegisterVariable (&sv_stopspeed);
 648         Cvar_RegisterVariable (&sv_wallfriction);
 649         Cvar_RegisterVariable (&sv_wateraccelerate);
 650         Cvar_RegisterVariable (&sv_waterfriction);
 651         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 652         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 653         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 654         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 655         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 656         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 657         Cvar_RegisterVariable (&sv_areadebug);
 658         Cvar_RegisterVariable (&sys_ticrate);
 659         Cvar_RegisterVariable (&teamplay);
 660         Cvar_RegisterVariable (&timelimit);
 661         Cvar_RegisterVariable (&sv_threaded);
 662
 663         Cvar_RegisterVariable (&sv_rollangle);
 664         Cvar_RegisterVariable (&sv_rollspeed);
 665
 666         Cvar_RegisterVariable (&saved1);
 667         Cvar_RegisterVariable (&saved2);
 668         Cvar_RegisterVariable (&saved3);
 669         Cvar_RegisterVariable (&saved4);
 670         Cvar_RegisterVariable (&savedgamecfg);
 671         Cvar_RegisterVariable (&scratch1);
 672         Cvar_RegisterVariable (&scratch2);
 673         Cvar_RegisterVariable (&scratch3);
 674         Cvar_RegisterVariable (&scratch4);
 675         Cvar_RegisterVariable (&temp1);
 676
 677         // LadyHavoc: Nehahra uses these to pass data around cutscene demos
 678         Cvar_RegisterVariable (&nehx00);
 679         Cvar_RegisterVariable (&nehx01);
 680         Cvar_RegisterVariable (&nehx02);
 681         Cvar_RegisterVariable (&nehx03);
 682         Cvar_RegisterVariable (&nehx04);
 683         Cvar_RegisterVariable (&nehx05);
 684         Cvar_RegisterVariable (&nehx06);
 685         Cvar_RegisterVariable (&nehx07);
 686         Cvar_RegisterVariable (&nehx08);
 687         Cvar_RegisterVariable (&nehx09);
 688         Cvar_RegisterVariable (&nehx10);
 689         Cvar_RegisterVariable (&nehx11);
 690         Cvar_RegisterVariable (&nehx12);
 691         Cvar_RegisterVariable (&nehx13);
 692         Cvar_RegisterVariable (&nehx14);
 693         Cvar_RegisterVariable (&nehx15);
 694         Cvar_RegisterVariable (&nehx16);
 695         Cvar_RegisterVariable (&nehx17);
 696         Cvar_RegisterVariable (&nehx18);
 697         Cvar_RegisterVariable (&nehx19);
 698         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 699
 700         Cvar_RegisterVariable (&sv_autodemo_perclient);
 701         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 702         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
 703
 704         Cvar_RegisterVariable (&halflifebsp);
 705         Cvar_RegisterVariable (&sv_mapformat_is_quake2);
 706         Cvar_RegisterVariable (&sv_mapformat_is_quake3);
 707
 708         SV_ServerOptions();
 709         SV_InitOperatorCommands();
 710         host.hook.SV_CanSave = SV_CanSave;
 711
 712         sv_mempool = Mem_AllocPool("server", 0, NULL);
 713 }
 714
 715 static void SV_SaveEntFile_f(cmd_state_t *cmd)
 716 {
 717         char vabuf[1024];
 718         if (!sv.active || !sv.worldmodel)
 719         {
 720                 Con_Print("Not running a server\n");
 721                 return;
 722         }
 723         FS_WriteFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 724 }
 725
 726 /*
 727 ==============================================================================
 728
 729 CLIENT SPAWNING
 730
 731 ==============================================================================
 732 */
 733
 734 /*
 735 ================
 736 SV_SendServerinfo
 737
 738 Sends the first message from the server to a connected client.
 739 This will be sent on the initial connection and upon each server load.
 740 ================
 741 */
 742 void SV_SendServerinfo (client_t *client)
 743 {
 744         prvm_prog_t *prog = SVVM_prog;
 745         int i;
 746         char message[128];
 747         char vabuf[1024];
 748
 749         // we know that this client has a netconnection and thus is not a bot
 750
 751         // edicts get reallocated on level changes, so we need to update it here
 752         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 753
 754         // clear cached stuff that depends on the level
 755         client->weaponmodel[0] = 0;
 756         client->weaponmodelindex = 0;
 757
 758         // LadyHavoc: clear entityframe tracking
 759         client->latestframenum = 0;
 760
 761         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 762         client->cmd.time = sv.time;
 763
 764         if (client->entitydatabase)
 765                 EntityFrame_FreeDatabase(client->entitydatabase);
 766         if (client->entitydatabase4)
 767                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 768         if (client->entitydatabase5)
 769                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 770
 771         memset(client->stats, 0, sizeof(client->stats));
 772         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 773
 774         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)
 775         {
 776                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 777                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 778                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 779                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 780                 else
 781                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 782         }
 783
 784         // reset csqc entity versions
 785         for (i = 0;i < prog->max_edicts;i++)
 786         {
 787                 client->csqcentityscope[i] = 0;
 788                 client->csqcentitysendflags[i] = 0xFFFFFF;
 789         }
 790         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 791         {
 792                 client->csqcentityframehistory[i].num = 0;
 793                 client->csqcentityframehistory[i].framenum = -1;
 794         }
 795         client->csqcnumedicts = 0;
 796         client->csqcentityframehistory_next = 0;
 797
 798         SZ_Clear (&client->netconnection->message);
 799         MSG_WriteByte (&client->netconnection->message, svc_print);
 800         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
 801         MSG_WriteString (&client->netconnection->message,message);
 802
 803         SV_StopDemoRecording(client); // to split up demos into different files
 804         if(sv_autodemo_perclient.integer)
 805         {
 806                 char demofile[MAX_OSPATH];
 807                 char ipaddress[MAX_QPATH];
 808                 size_t j;
 809
 810                 // start a new demo file
 811                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 812                 for(j = 0; ipaddress[j]; ++j)
 813                         if(!isalnum(ipaddress[j]))
 814                                 ipaddress[j] = '-';
 815                 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);
 816
 817                 SV_StartDemoRecording(client, demofile, -1);
 818         }
 819
 820         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 821         if (sv.csqc_progname[0])
 822         {
 823                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 824                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 825                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progname %s\n", sv.csqc_progname));
 826                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 827                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progsize %i\n", sv.csqc_progsize));
 828                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 829                 MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "csqc_progcrc %i\n", sv.csqc_progcrc));
 830
 831                 if(client->sv_demo_file != NULL)
 832                 {
 833                         int k;
 834                         static char buf[NET_MAXMESSAGE];
 835                         sizebuf_t sb;
 836
 837                         sb.data = (unsigned char *) buf;
 838                         sb.maxsize = sizeof(buf);
 839                         k = 0;
 840                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, k++, &sb, sv.protocol))
 841                                 SV_WriteDemoMessage(client, &sb, false);
 842                 }
 843
 844                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 845                 if (PRVM_GetString(prog, PRVM_serverglobalstring(SV_InitCmd)))
 846                 {
 847                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 848                         MSG_WriteString (&client->netconnection->message, va(vabuf, sizeof(vabuf), "%s\n", PRVM_GetString(prog, PRVM_serverglobalstring(SV_InitCmd))));
 849                 }
 850         }
 851
 852         //if (sv_allowdownloads.integer)
 853         // always send the info that the server supports the protocol, even if downloads are forbidden
 854         // only because of that, the CSQC exception can work
 855         {
 856                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 857                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
 858         }
 859
 860         // send at this time so it's guaranteed to get executed at the right time
 861         {
 862                 client_t *save;
 863                 save = host_client;
 864                 host_client = client;
 865                 Curl_SendRequirements();
 866                 host_client = save;
 867         }
 868
 869         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
 870         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
 871         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
 872
 873         if (!coop.integer && deathmatch.integer)
 874                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
 875         else
 876                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
 877
 878         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)));
 879
 880         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
 881                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
 882         MSG_WriteByte (&client->netconnection->message, 0);
 883
 884         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
 885                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
 886         MSG_WriteByte (&client->netconnection->message, 0);
 887
 888 // send music
 889         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
 890         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
 891         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
 892
 893 // set view
 894 // store this in clientcamera, too
 895         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
 896         MSG_WriteByte (&client->netconnection->message, svc_setview);
 897         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
 898
 899         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
 900         MSG_WriteByte (&client->netconnection->message, 1);
 901
 902         client->prespawned = false;             // need prespawn, spawn, etc
 903         client->spawned = false;                // need prespawn, spawn, etc
 904         client->begun = false;                  // need prespawn, spawn, etc
 905         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
 906
 907         // clear movement info until client enters the new level properly
 908         memset(&client->cmd, 0, sizeof(client->cmd));
 909         client->movesequence = 0;
 910         client->movement_highestsequence_seen = 0;
 911         memset(&client->movement_count, 0, sizeof(client->movement_count));
 912 #ifdef NUM_PING_TIMES
 913         for (i = 0;i < NUM_PING_TIMES;i++)
 914                 client->ping_times[i] = 0;
 915         client->num_pings = 0;
 916 #endif
 917         client->ping = 0;
 918
 919         // allow the client some time to send his keepalives, even if map loading took ages
 920         client->netconnection->timeout = host.realtime + net_connecttimeout.value;
 921 }
 922
 923 /*
 924 ================
 925 SV_ConnectClient
 926
 927 Initializes a client_t for a new net connection.  This will only be called
 928 once for a player each game, not once for each level change.
 929 ================
 930 */
 931 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
 932 {
 933         prvm_prog_t *prog = SVVM_prog;
 934         client_t                *client;
 935         int                             i;
 936
 937         client = svs.clients + clientnum;
 938
 939 // set up the client_t
 940         if (sv.loadgame)
 941         {
 942                 float backupparms[NUM_SPAWN_PARMS];
 943                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
 944                 memset(client, 0, sizeof(*client));
 945                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
 946         }
 947         else
 948                 memset(client, 0, sizeof(*client));
 949         client->active = true;
 950         client->netconnection = netconnection;
 951
 952         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
 953
 954         if(client->netconnection && client->netconnection->crypto.authenticated)
 955         {
 956                 Con_Printf("%s connection to %s has been established: client is %s@%s%.*s, I am %.*s@%s%.*s\n",
 957                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
 958                                 client->netconnection->address,
 959                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
 960                                 (client->netconnection->crypto.client_issigned || !client->netconnection->crypto.client_keyfp[0]) ? "" : "~",
 961                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
 962                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
 963                                 (client->netconnection->crypto.server_issigned || !client->netconnection->crypto.server_keyfp[0]) ? "" : "~",
 964                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
 965                                 );
 966         }
 967
 968         strlcpy(client->name, "unconnected", sizeof(client->name));
 969         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
 970         client->prespawned = false;
 971         client->spawned = false;
 972         client->begun = false;
 973         client->edict = PRVM_EDICT_NUM(clientnum+1);
 974         if (client->netconnection)
 975                 client->netconnection->message.allowoverflow = true;            // we can catch it
 976         // prepare the unreliable message buffer
 977         client->unreliablemsg.data = client->unreliablemsg_data;
 978         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
 979         // updated by receiving "rate" command from client, this is also the default if not using a DP client
 980         client->rate = 1000000000;
 981         client->connecttime = host.realtime;
 982
 983         if (!sv.loadgame)
 984         {
 985                 // call the progs to get default spawn parms for the new client
 986                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
 987                 PRVM_serverglobalfloat(time) = sv.time;
 988                 PRVM_serverglobaledict(self) = 0;
 989                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetNewParms), "QC function SetNewParms is missing");
 990                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
 991                         client->spawn_parms[i] = (&PRVM_serverglobalfloat(parm1))[i];
 992
 993                 // set up the entity for this client (including .colormap, .team, etc)
 994                 PRVM_ED_ClearEdict(prog, client->edict);
 995         }
 996
 997         // don't call SendServerinfo for a fresh botclient because its fields have
 998         // not been set up by the qc yet
 999         if (client->netconnection)
1000                 SV_SendServerinfo (client);
1001         else
1002                 client->prespawned = client->spawned = client->begun = true;
1003 }
1004
1005 /*
1006 =====================
1007 SV_DropClient
1008
1009 Called when the player is getting totally kicked off the host
1010 if (crash = true), don't bother sending signofs
1011 =====================
1012 */
1013 void SV_DropClient(qbool crash)
1014 {
1015         prvm_prog_t *prog = SVVM_prog;
1016         int i;
1017         Con_Printf("Client \"%s\" dropped\n", host_client->name);
1018
1019         SV_StopDemoRecording(host_client);
1020
1021         // make sure edict is not corrupt (from a level change for example)
1022         host_client->edict = PRVM_EDICT_NUM(host_client - svs.clients + 1);
1023
1024         if (host_client->netconnection)
1025         {
1026                 // tell the client to be gone
1027                 if (!crash)
1028                 {
1029                         // LadyHavoc: no opportunity for resending, so use unreliable 3 times
1030                         unsigned char bufdata[8];
1031                         sizebuf_t buf;
1032                         memset(&buf, 0, sizeof(buf));
1033                         buf.data = bufdata;
1034                         buf.maxsize = sizeof(bufdata);
1035                         MSG_WriteByte(&buf, svc_disconnect);
1036                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, 0, false);
1037                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, 0, false);
1038                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, 0, false);
1039                 }
1040         }
1041
1042         // call qc ClientDisconnect function
1043         // LadyHavoc: don't call QC if server is dead (avoids recursive
1044         // Host_Error in some mods when they run out of edicts)
1045         if (host_client->clientconnectcalled && sv.active && host_client->edict)
1046         {
1047                 // call the prog function for removing a client
1048                 // this will set the body to a dead frame, among other things
1049                 int saveSelf = PRVM_serverglobaledict(self);
1050                 host_client->clientconnectcalled = false;
1051                 PRVM_serverglobalfloat(time) = sv.time;
1052                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
1053                 prog->ExecuteProgram(prog, PRVM_serverfunction(ClientDisconnect), "QC function ClientDisconnect is missing");
1054                 PRVM_serverglobaledict(self) = saveSelf;
1055         }
1056
1057         if (host_client->netconnection)
1058         {
1059                 // break the net connection
1060                 NetConn_Close(host_client->netconnection);
1061                 host_client->netconnection = NULL;
1062         }
1063
1064         // if a download is active, close it
1065         if (host_client->download_file)
1066         {
1067                 Con_DPrintf("Download of %s aborted when %s dropped\n", host_client->download_name, host_client->name);
1068                 FS_Close(host_client->download_file);
1069                 host_client->download_file = NULL;
1070                 host_client->download_name[0] = 0;
1071                 host_client->download_expectedposition = 0;
1072                 host_client->download_started = false;
1073         }
1074
1075         // remove leaving player from scoreboard
1076         host_client->name[0] = 0;
1077         host_client->colors = 0;
1078         host_client->frags = 0;
1079         // send notification to all clients
1080         // get number of client manually just to make sure we get it right...
1081         i = host_client - svs.clients;
1082         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
1083         MSG_WriteByte (&sv.reliable_datagram, i);
1084         MSG_WriteString (&sv.reliable_datagram, host_client->name);
1085         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
1086         MSG_WriteByte (&sv.reliable_datagram, i);
1087         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
1088         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
1089         MSG_WriteByte (&sv.reliable_datagram, i);
1090         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
1091
1092         // free the client now
1093         if (host_client->entitydatabase)
1094                 EntityFrame_FreeDatabase(host_client->entitydatabase);
1095         if (host_client->entitydatabase4)
1096                 EntityFrame4_FreeDatabase(host_client->entitydatabase4);
1097         if (host_client->entitydatabase5)
1098                 EntityFrame5_FreeDatabase(host_client->entitydatabase5);
1099
1100         if (sv.active)
1101         {
1102                 // clear a fields that matter to DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS, and also frags
1103                 PRVM_ED_ClearEdict(prog, host_client->edict);
1104         }
1105
1106         // clear the client struct (this sets active to false)
1107         memset(host_client, 0, sizeof(*host_client));
1108
1109         // update server listing on the master because player count changed
1110         // (which the master uses for filtering empty/full servers)
1111         NetConn_Heartbeat(1);
1112
1113         if (sv.loadgame)
1114         {
1115                 for (i = 0;i < svs.maxclients;i++)
1116                         if (svs.clients[i].active && !svs.clients[i].spawned)
1117                                 break;
1118                 if (i == svs.maxclients)
1119                 {
1120                         Con_Printf("Loaded game, everyone rejoined - unpausing\n");
1121                         sv.paused = sv.loadgame = false; // we're basically done with loading now
1122                 }
1123         }
1124 }
1125
1126 static void SV_StartDownload_f(cmd_state_t *cmd)
1127 {
1128         if (host_client->download_file)
1129                 host_client->download_started = true;
1130 }
1131
1132 /*
1133  * Compression extension negotiation:
1134  *
1135  * Server to client:
1136  *   cl_serverextension_download 2
1137  *
1138  * Client to server:
1139  *   download <filename> <list of zero or more suppported compressions in order of preference>
1140  * e.g.
1141  *   download maps/map1.bsp lzo deflate huffman
1142  *
1143  * Server to client:
1144  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
1145  * e.g.
1146  *   cl_downloadbegin 123456 maps/map1.bsp deflate
1147  *
1148  * The server may choose not to compress the file by sending no compression name, like:
1149  *   cl_downloadbegin 345678 maps/map1.bsp
1150  *
1151  * NOTE: the "download" command may only specify compression algorithms if
1152  *       cl_serverextension_download is 2!
1153  *       If cl_serverextension_download has a different value, the client must
1154  *       assume this extension is not supported!
1155  */
1156
1157 static void Download_CheckExtensions(cmd_state_t *cmd)
1158 {
1159         int i;
1160         int argc = Cmd_Argc(cmd);
1161
1162         // first reset them all
1163         host_client->download_deflate = false;
1164
1165         for(i = 2; i < argc; ++i)
1166         {
1167                 if(!strcmp(Cmd_Argv(cmd, i), "deflate"))
1168                 {
1169                         host_client->download_deflate = true;
1170                         break;
1171                 }
1172         }
1173 }
1174
1175 static void SV_Download_f(cmd_state_t *cmd)
1176 {
1177         const char *whichpack, *whichpack2, *extension;
1178         qbool is_csqc; // so we need to check only once
1179
1180         if (Cmd_Argc(cmd) < 2)
1181         {
1182                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
1183                 SV_ClientPrintf("       supported extensions: deflate\n");
1184                 return;
1185         }
1186
1187         if (FS_CheckNastyPath(Cmd_Argv(cmd, 1), false))
1188         {
1189                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(cmd, 1));
1190                 return;
1191         }
1192
1193         if (host_client->download_file)
1194         {
1195                 // at this point we'll assume the previous download should be aborted
1196                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
1197                 SV_ClientCommands("\nstopdownload\n");
1198
1199                 // close the file and reset variables
1200                 FS_Close(host_client->download_file);
1201                 host_client->download_file = NULL;
1202                 host_client->download_name[0] = 0;
1203                 host_client->download_expectedposition = 0;
1204                 host_client->download_started = false;
1205         }
1206
1207         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(cmd, 1), sv.csqc_progname) == 0);
1208
1209         if (!sv_allowdownloads.integer && !is_csqc)
1210         {
1211                 SV_ClientPrintf("Downloads are disabled on this server\n");
1212                 SV_ClientCommands("\nstopdownload\n");
1213                 return;
1214         }
1215
1216         Download_CheckExtensions(cmd);
1217
1218         strlcpy(host_client->download_name, Cmd_Argv(cmd, 1), sizeof(host_client->download_name));
1219         extension = FS_FileExtension(host_client->download_name);
1220
1221         // host_client is asking to download a specified file
1222         if (developer_extra.integer)
1223                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
1224
1225         if(is_csqc)
1226         {
1227                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
1228                 extensions[0] = '\0';
1229
1230                 if(host_client->download_deflate)
1231                         strlcat(extensions, " deflate", sizeof(extensions));
1232
1233                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
1234
1235                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
1236                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
1237                 else
1238                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
1239
1240                 // no, no space is needed between %s and %s :P
1241                 SV_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
1242
1243                 host_client->download_expectedposition = 0;
1244                 host_client->download_started = false;
1245                 host_client->sendsignon = true; // make sure this message is sent
1246                 return;
1247         }
1248
1249         if (!FS_FileExists(host_client->download_name))
1250         {
1251                 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);
1252                 SV_ClientCommands("\nstopdownload\n");
1253                 return;
1254         }
1255
1256         // check if the user is trying to download part of registered Quake(r)
1257         whichpack = FS_WhichPack(host_client->download_name);
1258         whichpack2 = FS_WhichPack("gfx/pop.lmp");
1259         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
1260         {
1261                 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);
1262                 SV_ClientCommands("\nstopdownload\n");
1263                 return;
1264         }
1265
1266         // check if the server has forbidden archive downloads entirely
1267         if (!sv_allowdownloads_inarchive.integer)
1268         {
1269                 whichpack = FS_WhichPack(host_client->download_name);
1270                 if (whichpack)
1271                 {
1272                         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);
1273                         SV_ClientCommands("\nstopdownload\n");
1274                         return;
1275                 }
1276         }
1277
1278         if (!sv_allowdownloads_config.integer)
1279         {
1280                 if (!strcasecmp(extension, "cfg"))
1281                 {
1282                         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);
1283                         SV_ClientCommands("\nstopdownload\n");
1284                         return;
1285                 }
1286         }
1287
1288         if (!sv_allowdownloads_dlcache.integer)
1289         {
1290                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
1291                 {
1292                         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);
1293                         SV_ClientCommands("\nstopdownload\n");
1294                         return;
1295                 }
1296         }
1297
1298         if (!sv_allowdownloads_archive.integer)
1299         {
1300                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
1301                 {
1302                         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);
1303                         SV_ClientCommands("\nstopdownload\n");
1304                         return;
1305                 }
1306         }
1307
1308         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
1309         if (!host_client->download_file)
1310         {
1311                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
1312                 SV_ClientCommands("\nstopdownload\n");
1313                 return;
1314         }
1315
1316         if (FS_FileSize(host_client->download_file) > 1<<30)
1317         {
1318                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
1319                 SV_ClientCommands("\nstopdownload\n");
1320                 FS_Close(host_client->download_file);
1321                 host_client->download_file = NULL;
1322                 return;
1323         }
1324
1325         if (FS_FileSize(host_client->download_file) < 0)
1326         {
1327                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
1328                 SV_ClientCommands("\nstopdownload\n");
1329                 FS_Close(host_client->download_file);
1330                 host_client->download_file = NULL;
1331                 return;
1332         }
1333
1334         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
1335
1336         /*
1337          * we can only do this if we would actually deflate on the fly
1338          * which we do not (yet)!
1339         {
1340                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
1341                 extensions[0] = '\0';
1342
1343                 if(host_client->download_deflate)
1344                         strlcat(extensions, " deflate", sizeof(extensions));
1345
1346                 // no, no space is needed between %s and %s :P
1347                 SV_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
1348         }
1349         */
1350         SV_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
1351
1352         host_client->download_expectedposition = 0;
1353         host_client->download_started = false;
1354         host_client->sendsignon = true; // make sure this message is sent
1355
1356         // the rest of the download process is handled in SV_SendClientDatagram
1357         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
1358         //
1359         // no svc_downloaddata messages will be sent until sv_startdownload is
1360         // sent by the client
1361 }
1362
1363 /*
1364 ==============================================================================
1365
1366 SERVER SPAWNING
1367
1368 ==============================================================================
1369 */
1370
1371 /*
1372 ================
1373 SV_ModelIndex
1374
1375 ================
1376 */
1377 int SV_ModelIndex(const char *s, int precachemode)
1378 {
1379         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);
1380         char filename[MAX_QPATH];
1381         if (!s || !*s)
1382                 return 0;
1383         // testing
1384         //if (precachemode == 2)
1385         //      return 0;
1386         strlcpy(filename, s, sizeof(filename));
1387         for (i = 2;i < limit;i++)
1388         {
1389                 if (!sv.model_precache[i][0])
1390                 {
1391                         if (precachemode)
1392                         {
1393                                 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))
1394                                 {
1395                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
1396                                         return 0;
1397                                 }
1398                                 if (precachemode == 1)
1399                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
1400                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
1401                                 if (sv.state == ss_loading)
1402                                 {
1403                                         // running from SV_SpawnServer which is launched from the client console command interpreter
1404                                         sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
1405                                 }
1406                                 else
1407                                 {
1408                                         if (svs.threaded)
1409                                         {
1410                                                 // this is running on the server thread, we can't load a model here (it would crash on renderer calls), so only look it up, the svc_precache will cause it to be loaded when it reaches the client
1411                                                 sv.models[i] = Mod_FindName (sv.model_precache[i], s[0] == '*' ? sv.worldname : NULL);
1412                                         }
1413                                         else
1414                                         {
1415                                                 // running single threaded, so we can load the model here
1416                                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
1417                                         }
1418                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
1419                                         MSG_WriteShort(&sv.reliable_datagram, i);
1420                                         MSG_WriteString(&sv.reliable_datagram, filename);
1421                                 }
1422                                 return i;
1423                         }
1424                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
1425                         return 0;
1426                 }
1427                 if (!strcmp(sv.model_precache[i], filename))
1428                         return i;
1429         }
1430         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
1431         return 0;
1432 }
1433
1434 /*
1435 ================
1436 SV_SoundIndex
1437
1438 ================
1439 */
1440 int SV_SoundIndex(const char *s, int precachemode)
1441 {
1442         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);
1443         char filename[MAX_QPATH];
1444         if (!s || !*s)
1445                 return 0;
1446         // testing
1447         //if (precachemode == 2)
1448         //      return 0;
1449         strlcpy(filename, s, sizeof(filename));
1450         for (i = 1;i < limit;i++)
1451         {
1452                 if (!sv.sound_precache[i][0])
1453                 {
1454                         if (precachemode)
1455                         {
1456                                 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))
1457                                 {
1458                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
1459                                         return 0;
1460                                 }
1461                                 if (precachemode == 1)
1462                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
1463                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
1464                                 if (sv.state != ss_loading)
1465                                 {
1466                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
1467                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
1468                                         MSG_WriteString(&sv.reliable_datagram, filename);
1469                                 }
1470                                 return i;
1471                         }
1472                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
1473                         return 0;
1474                 }
1475                 if (!strcmp(sv.sound_precache[i], filename))
1476                         return i;
1477         }
1478         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
1479         return 0;
1480 }
1481
1482 /*
1483 ================
1484 SV_ParticleEffectIndex
1485
1486 ================
1487 */
1488 int SV_ParticleEffectIndex(const char *name)
1489 {
1490         int i, argc, linenumber, effectnameindex;
1491         int filepass;
1492         fs_offset_t filesize;
1493         unsigned char *filedata;
1494         const char *text;
1495         const char *textstart;
1496         //const char *textend;
1497         char argv[16][1024];
1498         char filename[MAX_QPATH];
1499         if (!sv.particleeffectnamesloaded)
1500         {
1501                 sv.particleeffectnamesloaded = true;
1502                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
1503                 for (i = 0;i < EFFECT_TOTAL;i++)
1504                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
1505                 for (filepass = 0;;filepass++)
1506                 {
1507                         if (filepass == 0)
1508                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
1509                         else if (filepass == 1)
1510                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
1511                         else
1512                                 break;
1513                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
1514                         if (!filedata)
1515                                 continue;
1516                         textstart = (const char *)filedata;
1517                         //textend = (const char *)filedata + filesize;
1518                         text = textstart;
1519                         for (linenumber = 1;;linenumber++)
1520                         {
1521                                 argc = 0;
1522                                 for (;;)
1523                                 {
1524                                         if (!COM_ParseToken_Simple(&text, true, false, true) || !strcmp(com_token, "\n"))
1525                                                 break;
1526                                         if (argc < 16)
1527                                         {
1528                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
1529                                                 argc++;
1530                                         }
1531                                 }
1532                                 if (com_token[0] == 0)
1533                                         break; // if the loop exited and it's not a \n, it's EOF
1534                                 if (argc < 1)
1535                                         continue;
1536                                 if (!strcmp(argv[0], "effect"))
1537                                 {
1538                                         if (argc == 2)
1539                                         {
1540                                                 for (effectnameindex = 1;effectnameindex < MAX_PARTICLEEFFECTNAME;effectnameindex++)
1541                                                 {
1542                                                         if (sv.particleeffectname[effectnameindex][0])
1543                                                         {
1544                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
1545                                                                         break;
1546                                                         }
1547                                                         else
1548                                                         {
1549                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
1550                                                                 break;
1551                                                         }
1552                                                 }
1553                                                 // if we run out of names, abort
1554                                                 if (effectnameindex == MAX_PARTICLEEFFECTNAME)
1555                                                 {
1556                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
1557                                                         break;
1558                                                 }
1559                                         }
1560                                 }
1561                         }
1562                         Mem_Free(filedata);
1563                 }
1564         }
1565         // search for the name
1566         for (effectnameindex = 1;effectnameindex < MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
1567                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
1568                         return effectnameindex;
1569         // return 0 if we couldn't find it
1570         return 0;
1571 }
1572
1573 model_t *SV_GetModelByIndex(int modelindex)
1574 {
1575         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
1576 }
1577
1578 model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
1579 {
1580         prvm_prog_t *prog = SVVM_prog;
1581         int modelindex;
1582         if (!ed || ed->priv.server->free)
1583                 return NULL;
1584         modelindex = (int)PRVM_serveredictfloat(ed, modelindex);
1585         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
1586 }
1587
1588 /*
1589 ================
1590 SV_CreateBaseline
1591
1592 ================
1593 */
1594 static void SV_CreateBaseline (void)
1595 {
1596         prvm_prog_t *prog = SVVM_prog;
1597         int i, entnum, large;
1598         prvm_edict_t *svent;
1599
1600         // LadyHavoc: clear *all* baselines (not just active ones)
1601         for (entnum = 0;entnum < prog->max_edicts;entnum++)
1602         {
1603                 // get the current server version
1604                 svent = PRVM_EDICT_NUM(entnum);
1605
1606                 // LadyHavoc: always clear state values, whether the entity is in use or not
1607                 svent->priv.server->baseline = defaultstate;
1608
1609                 if (svent->priv.server->free)
1610                         continue;
1611                 if (entnum > svs.maxclients && !PRVM_serveredictfloat(svent, modelindex))
1612                         continue;
1613
1614                 // create entity baseline
1615                 VectorCopy (PRVM_serveredictvector(svent, origin), svent->priv.server->baseline.origin);
1616                 VectorCopy (PRVM_serveredictvector(svent, angles), svent->priv.server->baseline.angles);
1617                 svent->priv.server->baseline.frame = (int)PRVM_serveredictfloat(svent, frame);
1618                 svent->priv.server->baseline.skin = (int)PRVM_serveredictfloat(svent, skin);
1619                 if (entnum > 0 && entnum <= svs.maxclients)
1620                 {
1621                         svent->priv.server->baseline.colormap = entnum;
1622                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
1623                 }
1624                 else
1625                 {
1626                         svent->priv.server->baseline.colormap = 0;
1627                         svent->priv.server->baseline.modelindex = (int)PRVM_serveredictfloat(svent, modelindex);
1628                 }
1629
1630                 large = false;
1631                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
1632                 {
1633                         large = true;
1634                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
1635                                 large = false;
1636                 }
1637
1638                 // add to the message
1639                 if (large)
1640                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
1641                 else
1642                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
1643                 MSG_WriteShort (&sv.signon, entnum);
1644
1645                 if (large)
1646                 {
1647                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
1648                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
1649                 }
1650                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
1651                 {
1652                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
1653                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
1654                 }
1655                 else
1656                 {
1657                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
1658                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
1659                 }
1660                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
1661                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
1662                 for (i=0 ; i<3 ; i++)
1663                 {
1664                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
1665                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
1666                 }
1667         }
1668 }
1669
1670 /*
1671 ================
1672 SV_Prepare_CSQC
1673
1674 Load csprogs.dat and comperss it so it doesn't need to be
1675 reloaded on request.
1676 ================
1677 */
1678 static void SV_Prepare_CSQC(void)
1679 {
1680         fs_offset_t progsize;
1681
1682         if(svs.csqc_progdata)
1683         {
1684                 Con_DPrintf("Unloading old CSQC data.\n");
1685                 Mem_Free(svs.csqc_progdata);
1686                 if(svs.csqc_progdata_deflated)
1687                         Mem_Free(svs.csqc_progdata_deflated);
1688         }
1689
1690         svs.csqc_progdata = NULL;
1691         svs.csqc_progdata_deflated = NULL;
1692
1693         sv.csqc_progname[0] = 0;
1694         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
1695
1696         if(progsize > 0)
1697         {
1698                 size_t deflated_size;
1699
1700                 sv.csqc_progsize = (int)progsize;
1701                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
1702                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
1703                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
1704
1705                 Con_DPrint("Compressing csprogs.dat\n");
1706                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
1707                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
1708                 svs.csqc_progsize_deflated = (int)deflated_size;
1709                 if(svs.csqc_progdata_deflated)
1710                 {
1711                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
1712                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
1713                 }
1714                 else
1715                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
1716         }
1717 }
1718
1719 /*
1720 ================
1721 SV_SaveSpawnparms
1722
1723 Grabs the current state of each client for saving across the
1724 transition to another level
1725 ================
1726 */
1727 void SV_SaveSpawnparms (void)
1728 {
1729         prvm_prog_t *prog = SVVM_prog;
1730         int             i, j;
1731
1732         svs.serverflags = (int)PRVM_serverglobalfloat(serverflags);
1733
1734         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1735         {
1736                 if (!host_client->active)
1737                         continue;
1738
1739         // call the progs to get default spawn parms for the new client
1740                 PRVM_serverglobalfloat(time) = sv.time;
1741                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
1742                 prog->ExecuteProgram(prog, PRVM_serverfunction(SetChangeParms), "QC function SetChangeParms is missing");
1743                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1744                         host_client->spawn_parms[j] = (&PRVM_serverglobalfloat(parm1))[j];
1745         }
1746 }
1747
1748 // Returns 1 if we're singleplayer, > 1 if we're a listen server
1749 int SV_IsLocalServer(void)
1750 {
1751         return (host_isclient.integer && sv.active ? svs.maxclients : 0);
1752 }
1753
1754 /*
1755 ================
1756 SV_SpawnServer
1757
1758 This is called at the start of each level
1759 ================
1760 */
1761
1762 void SV_SpawnServer (const char *map)
1763 {
1764         prvm_prog_t *prog = SVVM_prog;
1765         prvm_edict_t *ent;
1766         int i;
1767         char *entities;
1768         model_t *worldmodel;
1769         char modelname[sizeof(sv.worldname)];
1770         char vabuf[1024];
1771
1772         Con_Printf("SpawnServer: %s\n", map);
1773
1774         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", map);
1775
1776         if (!FS_FileExists(modelname))
1777         {
1778                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", map);
1779                 if (!FS_FileExists(modelname))
1780                 {
1781                         Con_Printf("SpawnServer: no map file named %s\n", modelname);
1782                         return;
1783                 }
1784         }
1785
1786 //      SV_LockThreadMutex();
1787
1788         if(!host_isclient.integer)
1789                 Sys_MakeProcessNice();
1790         else
1791         {
1792                 SCR_BeginLoadingPlaque(false);
1793                 S_StopAllSounds();
1794         }
1795
1796         if(sv.active)
1797         {
1798                 client_t *client;
1799                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
1800                 {
1801                         if (client->netconnection)
1802                         {
1803                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
1804                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
1805                         }
1806                 }
1807                 World_End(&sv.world);
1808                 if(PRVM_serverfunction(SV_Shutdown))
1809                 {
1810                         func_t s = PRVM_serverfunction(SV_Shutdown);
1811                         PRVM_serverglobalfloat(time) = sv.time;
1812                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
1813                         prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
1814                 }
1815         }
1816
1817         // free q3 shaders so that any newly downloaded shaders will be active
1818         Mod_FreeQ3Shaders();
1819
1820         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
1821         if (!worldmodel || !worldmodel->TraceBox)
1822         {
1823                 Con_Printf("Couldn't load map %s\n", modelname);
1824
1825                 if(!host_isclient.integer)
1826                         Sys_MakeProcessMean();
1827
1828 //              SV_UnlockThreadMutex();
1829
1830                 return;
1831         }
1832
1833         Collision_Cache_Reset(true);
1834
1835         // let's not have any servers with no name
1836         if (hostname.string[0] == 0)
1837                 Cvar_SetQuick(&hostname, "UNNAMED");
1838         scr_centertime_off = 0;
1839
1840         svs.changelevel_issued = false;         // now safe to issue another
1841
1842         // make the map a required file for clients
1843         Curl_ClearRequirements();
1844         Curl_RequireFile(modelname);
1845
1846 //
1847 // tell all connected clients that we are going to a new level
1848 //
1849         if (!sv.active)
1850                 NetConn_OpenServerPorts(true);
1851
1852 //
1853 // make cvars consistant
1854 //
1855         if (coop.integer)
1856                 Cvar_SetValueQuick(&deathmatch, 0);
1857         // LadyHavoc: it can be useful to have skills outside the range 0-3...
1858         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
1859         //Cvar_SetValue ("skill", (float)current_skill);
1860         current_skill = (int)(skill.value + 0.5);
1861
1862 //
1863 // set up the new server
1864 //
1865         memset (&sv, 0, sizeof(sv));
1866         // if running a local client, make sure it doesn't try to access the last
1867         // level's data which is no longer valiud
1868         cls.signon = 0;
1869
1870         Cvar_SetValueQuick(&halflifebsp, worldmodel->brush.ishlbsp);
1871         Cvar_SetValueQuick(&sv_mapformat_is_quake2, worldmodel->brush.isq2bsp);
1872         Cvar_SetValueQuick(&sv_mapformat_is_quake3, worldmodel->brush.isq3bsp);
1873
1874         if(*sv_random_seed.string)
1875         {
1876                 srand(sv_random_seed.integer);
1877                 Con_Printf(CON_WARN "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);
1878         }
1879
1880         SV_VM_Setup();
1881
1882         sv.active = true;
1883
1884         // set level base name variables for later use
1885         strlcpy (sv.name, map, sizeof (sv.name));
1886         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
1887         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
1888         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
1889         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
1890         Cvar_SetQuick(&sv_worldname, sv.worldname);
1891         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
1892         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
1893
1894         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
1895         if (sv.protocol == PROTOCOL_UNKNOWN)
1896         {
1897                 char buffer[1024];
1898                 Protocol_Names(buffer, sizeof(buffer));
1899                 Con_Printf(CON_ERROR "Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
1900                 sv.protocol = PROTOCOL_QUAKE;
1901         }
1902
1903 // load progs to get entity field count
1904         //PR_LoadProgs ( sv_progs.string );
1905
1906         sv.datagram.maxsize = sizeof(sv.datagram_buf);
1907         sv.datagram.cursize = 0;
1908         sv.datagram.data = sv.datagram_buf;
1909
1910         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
1911         sv.reliable_datagram.cursize = 0;
1912         sv.reliable_datagram.data = sv.reliable_datagram_buf;
1913
1914         sv.signon.maxsize = sizeof(sv.signon_buf);
1915         sv.signon.cursize = 0;
1916         sv.signon.data = sv.signon_buf;
1917
1918 // leave slots at start for clients only
1919         //prog->num_edicts = svs.maxclients+1;
1920
1921         sv.state = ss_loading;
1922         prog->allowworldwrites = true;
1923         sv.paused = false;
1924
1925         sv.time = 1.0;
1926
1927         Mod_ClearUsed();
1928         worldmodel->used = true;
1929
1930         sv.worldmodel = worldmodel;
1931         sv.models[1] = sv.worldmodel;
1932
1933 //
1934 // clear world interaction links
1935 //
1936         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs, prog);
1937         World_Start(&sv.world);
1938
1939         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
1940
1941         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
1942         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
1943         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
1944         {
1945                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
1946                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
1947         }
1948         if(i < sv.worldmodel->brush.numsubmodels)
1949                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
1950
1951 //
1952 // load the rest of the entities
1953 //
1954         // AK possible hack since num_edicts is still 0
1955         ent = PRVM_EDICT_NUM(0);
1956         memset (ent->fields.fp, 0, prog->entityfields * sizeof(prvm_vec_t));
1957         ent->priv.server->free = false;
1958         PRVM_serveredictstring(ent, model) = PRVM_SetEngineString(prog, sv.worldname);
1959         PRVM_serveredictfloat(ent, modelindex) = 1;             // world model
1960         PRVM_serveredictfloat(ent, solid) = SOLID_BSP;
1961         PRVM_serveredictfloat(ent, movetype) = MOVETYPE_PUSH;
1962         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, mins));
1963         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, maxs));
1964         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, absmin));
1965         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, absmax));
1966
1967         if (coop.value)
1968                 PRVM_serverglobalfloat(coop) = coop.integer;
1969         else
1970                 PRVM_serverglobalfloat(deathmatch) = deathmatch.integer;
1971
1972         PRVM_serverglobalstring(mapname) = PRVM_SetEngineString(prog, sv.name);
1973
1974 // serverflags are for cross level information (sigils)
1975         PRVM_serverglobalfloat(serverflags) = svs.serverflags;
1976
1977         // we need to reset the spawned flag on all connected clients here so that
1978         // their thinks don't run during startup (before PutClientInServer)
1979         // we also need to set up the client entities now
1980         // and we need to set the ->edict pointers to point into the progs edicts
1981         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1982         {
1983                 host_client->begun = false;
1984                 host_client->edict = PRVM_EDICT_NUM(i + 1);
1985                 PRVM_ED_ClearEdict(prog, host_client->edict);
1986         }
1987
1988         // load replacement entity file if found
1989         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va(vabuf, sizeof(vabuf), "%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
1990         {
1991                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
1992                 PRVM_ED_LoadFromFile(prog, entities);
1993                 Mem_Free(entities);
1994         }
1995         else
1996                 PRVM_ED_LoadFromFile(prog, sv.worldmodel->brush.entities);
1997
1998
1999         // LadyHavoc: clear world angles (to fix e3m3.bsp)
2000         VectorClear(PRVM_serveredictvector(prog->edicts, angles));
2001
2002 // all setup is completed, any further precache statements are errors
2003 //      sv.state = ss_active; // LadyHavoc: workaround for svc_precache bug
2004         prog->allowworldwrites = false;
2005
2006 // run two frames to allow everything to settle
2007         sv.time = 1.0001;
2008         for (i = 0;i < sv_init_frame_count.integer;i++)
2009         {
2010                 sv.frametime = 0.1;
2011                 SV_Physics ();
2012         }
2013
2014         // Once all init frames have been run, we consider svqc code fully initialized.
2015         prog->inittime = host.realtime;
2016
2017         if(!host_isclient.integer)
2018                 Mod_PurgeUnused();
2019
2020 // create a baseline for more efficient communications
2021         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)
2022                 SV_CreateBaseline ();
2023
2024         sv.state = ss_active; // LadyHavoc: workaround for svc_precache bug
2025
2026 // send serverinfo to all connected clients, and set up botclients coming back from a level change
2027         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2028         {
2029                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
2030                 if (!host_client->active)
2031                         continue;
2032                 if (host_client->netconnection)
2033                         SV_SendServerinfo(host_client);
2034                 else
2035                 {
2036                         int j;
2037                         // if client is a botclient coming from a level change, we need to
2038                         // set up client info that normally requires networking
2039
2040                         // copy spawn parms out of the client_t
2041                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
2042                                 (&PRVM_serverglobalfloat(parm1))[j] = host_client->spawn_parms[j];
2043
2044                         // call the spawn function
2045                         host_client->clientconnectcalled = true;
2046                         PRVM_serverglobalfloat(time) = sv.time;
2047                         PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
2048                         prog->ExecuteProgram(prog, PRVM_serverfunction(ClientConnect), "QC function ClientConnect is missing");
2049                         prog->ExecuteProgram(prog, PRVM_serverfunction(PutClientInServer), "QC function PutClientInServer is missing");
2050                         host_client->begun = true;
2051                 }
2052         }
2053
2054         // update the map title cvar
2055         strlcpy(sv.worldmessage, PRVM_GetString(prog, PRVM_serveredictstring(prog->edicts, message)), sizeof(sv.worldmessage)); // map title (not related to filename)
2056         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
2057
2058         Con_Printf("Server spawned.\n");
2059         NetConn_Heartbeat (2);
2060
2061         if(!host_isclient.integer)
2062                 Sys_MakeProcessMean();
2063
2064 //      SV_UnlockThreadMutex();
2065 }
2066
2067 /*
2068 ==================
2069 SV_Shutdown
2070
2071 This only happens at the end of a game, not between levels
2072 ==================
2073 */
2074 void SV_Shutdown(void)
2075 {
2076         prvm_prog_t *prog = SVVM_prog;
2077         int i;
2078
2079         Con_DPrintf("SV_Shutdown\n");
2080
2081         if (!sv.active)
2082                 return;
2083
2084         NetConn_Heartbeat(2);
2085         NetConn_Heartbeat(2);
2086
2087 // make sure all the clients know we're disconnecting
2088         World_End(&sv.world);
2089         if(prog->loaded)
2090         {
2091                 if(PRVM_serverfunction(SV_Shutdown))
2092                 {
2093                         func_t s = PRVM_serverfunction(SV_Shutdown);
2094                         PRVM_serverglobalfloat(time) = sv.time;
2095                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
2096                         prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
2097                 }
2098         }
2099         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2100                 if (host_client->active)
2101                         SV_DropClient(false); // server shutdown
2102
2103         NetConn_CloseServerPorts();
2104
2105         sv.active = false;
2106 //
2107 // clear structures
2108 //
2109         memset(&sv, 0, sizeof(sv));
2110         memset(svs.clients, 0, svs.maxclients*sizeof(client_t));
2111
2112         cl.islocalgame = false;
2113 }
2114
2115 /////////////////////////////////////////////////////
2116 // SV VM stuff
2117
2118 static void SVVM_begin_increase_edicts(prvm_prog_t *prog)
2119 {
2120         // links don't survive the transition, so unlink everything
2121         World_UnlinkAll(&sv.world);
2122 }
2123
2124 static void SVVM_end_increase_edicts(prvm_prog_t *prog)
2125 {
2126         int i;
2127         prvm_edict_t *ent;
2128
2129         // link every entity except world
2130         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
2131                 if (!ent->priv.server->free && !VectorCompare(PRVM_serveredictvector(ent, absmin), PRVM_serveredictvector(ent, absmax)))
2132                         SV_LinkEdict(ent);
2133 }
2134
2135 static void SVVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
2136 {
2137         // LadyHavoc: for consistency set these here
2138         int num = PRVM_NUM_FOR_EDICT(e) - 1;
2139
2140         e->priv.server->move = false; // don't move on first frame
2141
2142         if (num >= 0 && num < svs.maxclients)
2143         {
2144                 // set colormap and team on newly created player entity
2145                 PRVM_serveredictfloat(e, colormap) = num + 1;
2146                 PRVM_serveredictfloat(e, team) = (svs.clients[num].colors & 15) + 1;
2147                 // set netname/clientcolors back to client values so that
2148                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
2149                 // reset them
2150                 PRVM_serveredictstring(e, netname) = PRVM_SetEngineString(prog, svs.clients[num].name);
2151                 PRVM_serveredictfloat(e, clientcolors) = svs.clients[num].colors;
2152                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
2153                 PRVM_serveredictstring(e, playermodel) = PRVM_SetEngineString(prog, svs.clients[num].playermodel);
2154                 PRVM_serveredictstring(e, playerskin) = PRVM_SetEngineString(prog, svs.clients[num].playerskin);
2155                 // Assign netaddress (IP Address, etc)
2156                 if(svs.clients[num].netconnection != NULL)
2157                 {
2158                         // Acquire Readable Address
2159                         LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
2160                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, svs.clients[num].netaddress);
2161                 }
2162                 else
2163                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(prog, "null/botclient");
2164                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
2165                         PRVM_serveredictstring(e, crypto_idfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_idfp);
2166                 else
2167                         PRVM_serveredictstring(e, crypto_idfp) = 0;
2168                 PRVM_serveredictfloat(e, crypto_idfp_signed) = (svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_issigned);
2169                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
2170                         PRVM_serveredictstring(e, crypto_keyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.client_keyfp);
2171                 else
2172                         PRVM_serveredictstring(e, crypto_keyfp) = 0;
2173                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
2174                         PRVM_serveredictstring(e, crypto_mykeyfp) = PRVM_SetEngineString(prog, svs.clients[num].netconnection->crypto.server_keyfp);
2175                 else
2176                         PRVM_serveredictstring(e, crypto_mykeyfp) = 0;
2177                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
2178                         PRVM_serveredictstring(e, crypto_encryptmethod) = PRVM_SetEngineString(prog, "AES128");
2179                 else
2180                         PRVM_serveredictstring(e, crypto_encryptmethod) = 0;
2181                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
2182                         PRVM_serveredictstring(e, crypto_signmethod) = PRVM_SetEngineString(prog, "HMAC-SHA256");
2183                 else
2184                         PRVM_serveredictstring(e, crypto_signmethod) = 0;
2185         }
2186 }
2187
2188 static void SVVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
2189 {
2190         int i;
2191         int e;
2192
2193         World_UnlinkEdict(ed);          // unlink from world bsp
2194
2195         PRVM_serveredictstring(ed, model) = 0;
2196         PRVM_serveredictfloat(ed, takedamage) = 0;
2197         PRVM_serveredictfloat(ed, modelindex) = 0;
2198         PRVM_serveredictfloat(ed, colormap) = 0;
2199         PRVM_serveredictfloat(ed, skin) = 0;
2200         PRVM_serveredictfloat(ed, frame) = 0;
2201         VectorClear(PRVM_serveredictvector(ed, origin));
2202         VectorClear(PRVM_serveredictvector(ed, angles));
2203         PRVM_serveredictfloat(ed, nextthink) = -1;
2204         PRVM_serveredictfloat(ed, solid) = 0;
2205
2206         VM_RemoveEdictSkeleton(prog, ed);
2207         World_Physics_RemoveFromEntity(&sv.world, ed);
2208         World_Physics_RemoveJointFromEntity(&sv.world, ed);
2209
2210         // make sure csqc networking is aware of the removed entity
2211         e = PRVM_NUM_FOR_EDICT(ed);
2212         sv.csqcentityversion[e] = 0;
2213         for (i = 0;i < svs.maxclients;i++)
2214                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
2215 }
2216
2217 static void SVVM_count_edicts(prvm_prog_t *prog)
2218 {
2219         int             i;
2220         prvm_edict_t    *ent;
2221         int             active, models, solid, step;
2222
2223         active = models = solid = step = 0;
2224         for (i=0 ; i<prog->num_edicts ; i++)
2225         {
2226                 ent = PRVM_EDICT_NUM(i);
2227                 if (ent->priv.server->free)
2228                         continue;
2229                 active++;
2230                 if (PRVM_serveredictfloat(ent, solid))
2231                         solid++;
2232                 if (PRVM_serveredictstring(ent, model))
2233                         models++;
2234                 if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
2235                         step++;
2236         }
2237
2238         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
2239         Con_Printf("active    :%3i\n", active);
2240         Con_Printf("view      :%3i\n", models);
2241         Con_Printf("touch     :%3i\n", solid);
2242         Con_Printf("step      :%3i\n", step);
2243 }
2244
2245 static qbool SVVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
2246 {
2247         // remove things from different skill levels or deathmatch
2248         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
2249         {
2250                 if (deathmatch.integer)
2251                 {
2252                         if (((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_DEATHMATCH))
2253                         {
2254                                 return false;
2255                         }
2256                 }
2257                 else if ((current_skill <= 0 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_EASY  ))
2258                         || (current_skill == 1 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_MEDIUM))
2259                         || (current_skill >= 2 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_HARD  )))
2260                 {
2261                         return false;
2262                 }
2263         }
2264         return true;
2265 }
2266
2267 static void SV_VM_Setup(void)
2268 {
2269         prvm_prog_t *prog = SVVM_prog;
2270         PRVM_Prog_Init(prog, &cmd_server);
2271
2272         // allocate the mempools
2273         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
2274         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
2275         prog->builtins = vm_sv_builtins;
2276         prog->numbuiltins = vm_sv_numbuiltins;
2277         prog->max_edicts = 512;
2278         if (sv.protocol == PROTOCOL_QUAKE)
2279                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
2280         else if (sv.protocol == PROTOCOL_QUAKEDP)
2281                 prog->limit_edicts = 2048; // guessing
2282         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
2283                 prog->limit_edicts = 2048; // guessing!
2284         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2285                 prog->limit_edicts = 4096; // guessing!
2286         else
2287                 prog->limit_edicts = MAX_EDICTS;
2288         prog->reserved_edicts = svs.maxclients;
2289         prog->edictprivate_size = sizeof(edict_engineprivate_t);
2290         prog->name = "server";
2291         prog->extensionstring = vm_sv_extensions;
2292         prog->loadintoworld = true;
2293
2294         // all callbacks must be defined (pointers are not checked before calling)
2295         prog->begin_increase_edicts = SVVM_begin_increase_edicts;
2296         prog->end_increase_edicts   = SVVM_end_increase_edicts;
2297         prog->init_edict            = SVVM_init_edict;
2298         prog->free_edict            = SVVM_free_edict;
2299         prog->count_edicts          = SVVM_count_edicts;
2300         prog->load_edict            = SVVM_load_edict;
2301         prog->init_cmd              = SVVM_init_cmd;
2302         prog->reset_cmd             = SVVM_reset_cmd;
2303         prog->error_cmd             = Host_Error;
2304         prog->ExecuteProgram        = SVVM_ExecuteProgram;
2305
2306         PRVM_Prog_Load(prog, sv_progs.string, NULL, 0, SV_REQFUNCS, sv_reqfuncs, SV_REQFIELDS, sv_reqfields, SV_REQGLOBALS, sv_reqglobals);
2307
2308         // some mods compiled with scrambling compilers lack certain critical
2309         // global names and field names such as "self" and "time" and "nextthink"
2310         // so we have to set these offsets manually, matching the entvars_t
2311         // but we only do this if the prog header crc matches, otherwise it's totally freeform
2312         if (prog->progs_crc == PROGHEADER_CRC || prog->progs_crc == PROGHEADER_CRC_TENEBRAE)
2313         {
2314                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, modelindex);
2315                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmin);
2316                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmax);
2317                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ltime);
2318                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movetype);
2319                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, solid);
2320                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, origin);
2321                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, oldorigin);
2322                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, velocity);
2323                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
2324                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, avelocity);
2325                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, punchangle);
2326                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
2327                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, model);
2328                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
2329                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, skin);
2330                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, effects);
2331                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, mins);
2332                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, maxs);
2333                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, size);
2334                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, touch);
2335                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, use);
2336                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
2337                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, blocked);
2338                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
2339                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
2340                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, health);
2341                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frags);
2342                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weapon);
2343                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponmodel);
2344                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponframe);
2345                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, currentammo);
2346                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_shells);
2347                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_nails);
2348                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_rockets);
2349                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_cells);
2350                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, items);
2351                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, takedamage);
2352                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
2353                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, deadflag);
2354                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, view_ofs);
2355                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button0);
2356                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button1);
2357                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button2);
2358                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, impulse);
2359                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, fixangle);
2360                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, v_angle);
2361                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, idealpitch);
2362                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, netname);
2363                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, enemy);
2364                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, flags);
2365                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, colormap);
2366                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, team);
2367                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, max_health);
2368                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, teleport_time);
2369                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armortype);
2370                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armorvalue);
2371                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, waterlevel);
2372                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, watertype);
2373                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
2374                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
2375                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, aiment);
2376                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, goalentity);
2377                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, spawnflags);
2378                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, target);
2379                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, targetname);
2380                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_take);
2381                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_save);
2382                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_inflictor);
2383                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, owner);
2384                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movedir);
2385                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, message);
2386                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, sounds);
2387                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise);
2388                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise1);
2389                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise2);
2390                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise3);
2391                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
2392                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, other);
2393                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, world);
2394                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
2395                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, frametime);
2396                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, force_retouch);
2397                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, mapname);
2398                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, deathmatch);
2399                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, coop);
2400                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, teamplay);
2401                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, serverflags);
2402                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_secrets);
2403                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_monsters);
2404                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, found_secrets);
2405                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, killed_monsters);
2406                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm1);
2407                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm2);
2408                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm3);
2409                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm4);
2410                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm5);
2411                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm6);
2412                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm7);
2413                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm8);
2414                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm9);
2415                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm10);
2416                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm11);
2417                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm12);
2418                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm13);
2419                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm14);
2420                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm15);
2421                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm16);
2422                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
2423                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
2424                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
2425                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
2426                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
2427                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
2428                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
2429                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
2430                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
2431                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
2432                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
2433                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
2434                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, msg_entity);
2435 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, main);
2436 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, StartFrame);
2437 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPreThink);
2438 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPostThink);
2439 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientKill);
2440 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientConnect);
2441 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PutClientInServer);
2442 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientDisconnect);
2443 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetNewParms);
2444 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetChangeParms);
2445         }
2446         else
2447                 Con_DPrintf("%s: %s system vars have been modified (CRC %i != engine %i), will not load in other engines\n", prog->name, sv_progs.string, prog->progs_crc, PROGHEADER_CRC);
2448
2449         // OP_STATE is always supported on server because we add fields/globals for it
2450         prog->flag |= PRVM_OP_STATE;
2451
2452         VM_CustomStats_Clear();//[515]: csqc
2453
2454         SV_Prepare_CSQC();
2455 }
2456
2457 static void SV_CheckTimeouts(void)
2458 {
2459         int i;
2460
2461         // never timeout loopback connections
2462         for (i = (host_isclient.integer ? 1 : 0), host_client = &svs.clients[i]; i < svs.maxclients; i++, host_client++)
2463         {
2464                 if (host_client->netconnection && host.realtime > host_client->netconnection->timeout)
2465                 {
2466                         Con_Printf("Client \"%s\" connection timed out\n", host_client->name);
2467                         SV_DropClient(false);
2468                 }
2469         }
2470 }
2471
2472 extern cvar_t host_maxwait;
2473 extern cvar_t host_framerate;
2474 extern cvar_t cl_maxphysicsframesperserverframe;
2475 double SV_Frame(double time)
2476 {
2477         static double sv_timer;
2478         int i;
2479         char vabuf[1024];
2480         qbool playing = false;
2481
2482         if (!svs.threaded)
2483         {
2484                 svs.perf_acc_sleeptime = host.sleeptime;
2485                 svs.perf_acc_realtime += time;
2486
2487                 // Look for clients who have spawned
2488                 for (i = 0, host_client = svs.clients; i < svs.maxclients; i++, host_client++)
2489                         if(host_client->begun && host_client->netconnection)
2490                                 playing = true;
2491
2492                 if(svs.perf_acc_realtime > 5)
2493                 {
2494                         svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
2495                         svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
2496
2497                         if(svs.perf_acc_offset_samples > 0)
2498                         {
2499                                 svs.perf_offset_max = svs.perf_acc_offset_max;
2500                                 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
2501                                 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
2502                         }
2503
2504                         if(svs.perf_lost > 0 && developer_extra.integer && playing) // only complain if anyone is looking
2505                                 Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport(vabuf, sizeof(vabuf)));
2506                 }
2507
2508                 if(svs.perf_acc_realtime > 5 || sv.time < 10)
2509                 {
2510                         /*
2511                          * Don't accumulate time for the first 10 seconds of a match
2512                          * so things can settle
2513                          */
2514                         svs.perf_acc_realtime = svs.perf_acc_sleeptime =
2515                         svs.perf_acc_lost = svs.perf_acc_offset =
2516                         svs.perf_acc_offset_squared = svs.perf_acc_offset_max =
2517                         svs.perf_acc_offset_samples = host.sleeptime = 0;
2518                 }
2519
2520                 /*
2521                  * Receive packets on each main loop iteration, as the main loop may
2522                  * be undersleeping due to select() detecting a new packet
2523                  */
2524                 if (sv.active)
2525                 {
2526                         NetConn_ServerFrame();
2527                         SV_CheckTimeouts();
2528                 }
2529         }
2530
2531         /*
2532          * If the accumulator hasn't become positive, don't
2533          * run the frame. Everything that happens before this
2534          * point will happen even if we're sleeping this frame.
2535          */
2536         if((sv_timer += time) < 0)
2537                 return sv_timer;
2538
2539         // limit the frametime steps to no more than 100ms each
2540         if (sv_timer > 0.1)
2541         {
2542                 if (!svs.threaded)
2543                         svs.perf_acc_lost += (sv_timer - 0.1);
2544                 sv_timer = 0.1;
2545         }
2546
2547         if (sv.active && sv_timer > 0 && !svs.threaded)
2548         {
2549                 /*
2550                  * Execute one or more server frames, with an upper limit on how much
2551                  * execution time to spend on server frames to avoid freezing the game if
2552                  * the server is overloaded. This execution time limit means the game will
2553                  * slow down if the server is taking too long.
2554                  */
2555                 int framecount, framelimit = 1;
2556                 double advancetime, aborttime = 0;
2557                 float offset;
2558                 prvm_prog_t *prog = SVVM_prog;
2559
2560                 // run the world state
2561                 // don't allow simulation to run too fast or too slow or logic glitches can occur
2562
2563                 // stop running server frames if the wall time reaches this value
2564                 if (sys_ticrate.value <= 0)
2565                         advancetime = sv_timer;
2566                 else
2567                 {
2568                         advancetime = sys_ticrate.value;
2569                         // listen servers can run multiple server frames per client frame
2570                         framelimit = cl_maxphysicsframesperserverframe.integer;
2571                         aborttime = Sys_DirtyTime() + 0.1;
2572                 }
2573
2574                 if(host_timescale.value > 0 && host_timescale.value < 1)
2575                         advancetime = min(advancetime, 0.1 / host_timescale.value);
2576                 else
2577                         advancetime = min(advancetime, 0.1);
2578
2579                 if(advancetime > 0)
2580                 {
2581                         offset = Sys_DirtyTime() - host.dirtytime;
2582                         if (offset < 0 || offset >= 1800)
2583                                 offset = 0;
2584
2585                         offset += sv_timer;
2586                         ++svs.perf_acc_offset_samples;
2587                         svs.perf_acc_offset += offset;
2588                         svs.perf_acc_offset_squared += offset * offset;
2589
2590                         if(svs.perf_acc_offset_max < offset)
2591                                 svs.perf_acc_offset_max = offset;
2592                 }
2593
2594                 // only advance time if not paused
2595                 // the game also pauses in singleplayer when menu or console is used
2596                 sv.frametime = advancetime * host_timescale.value;
2597                 if (host_framerate.value)
2598                         sv.frametime = host_framerate.value;
2599                 if (sv.paused || host.paused)
2600                         sv.frametime = 0;
2601
2602                 for (framecount = 0; framecount < framelimit && sv_timer > 0; framecount++)
2603                 {
2604                         sv_timer -= advancetime;
2605
2606                         // move things around and think unless paused
2607                         if (sv.frametime)
2608                                 SV_Physics();
2609
2610                         // if this server frame took too long, break out of the loop
2611                         if (framelimit > 1 && Sys_DirtyTime() >= aborttime)
2612                                 break;
2613                 }
2614
2615                 R_TimeReport("serverphysics");
2616
2617                 // send all messages to the clients
2618                 SV_SendClientMessages();
2619
2620                 if (sv.paused == 1 && host.realtime > sv.pausedstart && sv.pausedstart > 0) {
2621                         prog->globals.fp[OFS_PARM0] = host.realtime - sv.pausedstart;
2622                         PRVM_serverglobalfloat(time) = sv.time;
2623                         prog->ExecuteProgram(prog, PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
2624                 }
2625
2626                 // send an heartbeat if enough time has passed since the last one
2627                 NetConn_Heartbeat(0);
2628                 R_TimeReport("servernetwork");
2629         }
2630         else
2631         {
2632                 // don't let r_speeds display jump around
2633                 R_TimeReport("serverphysics");
2634                 R_TimeReport("servernetwork");
2635         }
2636
2637         // if there is some time remaining from this frame, reset the timer
2638         if (sv_timer >= 0)
2639         {
2640                 if (!svs.threaded)
2641                         svs.perf_acc_lost += sv_timer;
2642                 sv_timer = 0;
2643         }
2644
2645         return sv_timer;
2646 }
2647
2648 static int SV_ThreadFunc(void *voiddata)
2649 {
2650         prvm_prog_t *prog = SVVM_prog;
2651         qbool playing = false;
2652         double sv_timer = 0;
2653         double sv_deltarealtime, sv_oldrealtime, sv_realtime;
2654         double wait;
2655         int i;
2656         char vabuf[1024];
2657         sv_realtime = Sys_DirtyTime();
2658         while (!svs.threadstop)
2659         {
2660                 // FIXME: we need to handle Host_Error in the server thread somehow
2661 //              if (setjmp(sv_abortframe))
2662 //                      continue;                       // something bad happened in the server game
2663
2664                 sv_oldrealtime = sv_realtime;
2665                 sv_realtime = Sys_DirtyTime();
2666                 sv_deltarealtime = sv_realtime - sv_oldrealtime;
2667                 if (sv_deltarealtime < 0 || sv_deltarealtime >= 1800) sv_deltarealtime = 0;
2668
2669                 sv_timer += sv_deltarealtime;
2670
2671                 svs.perf_acc_realtime += sv_deltarealtime;
2672
2673                 // at this point we start doing real server work, and must block on any client activity pertaining to the server (such as executing SV_SpawnServer)
2674                 SV_LockThreadMutex();
2675
2676                 // Look for clients who have spawned
2677                 playing = false;
2678                 if (sv.active)
2679                         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2680                                 if(host_client->begun)
2681                                         if(host_client->netconnection)
2682                                                 playing = true;
2683                 if(sv.time < 10)
2684                 {
2685                         // don't accumulate time for the first 10 seconds of a match
2686                         // so things can settle
2687                         svs.perf_acc_realtime = svs.perf_acc_sleeptime = svs.perf_acc_lost = svs.perf_acc_offset = svs.perf_acc_offset_squared = svs.perf_acc_offset_max = svs.perf_acc_offset_samples = 0;
2688                 }
2689                 else if(svs.perf_acc_realtime > 5)
2690                 {
2691                         svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
2692                         svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
2693                         if(svs.perf_acc_offset_samples > 0)
2694                         {
2695                                 svs.perf_offset_max = svs.perf_acc_offset_max;
2696                                 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
2697                                 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
2698                         }
2699                         if(svs.perf_lost > 0 && developer_extra.integer)
2700                                 if(playing)
2701                                         Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport(vabuf, sizeof(vabuf)));
2702                         svs.perf_acc_realtime = svs.perf_acc_sleeptime = svs.perf_acc_lost = svs.perf_acc_offset = svs.perf_acc_offset_squared = svs.perf_acc_offset_max = svs.perf_acc_offset_samples = 0;
2703                 }
2704
2705                 // get new packets
2706                 if (sv.active)
2707                 {
2708                         NetConn_ServerFrame();
2709                         SV_CheckTimeouts();
2710                 }
2711
2712                 // if the accumulators haven't become positive yet, wait a while
2713                 wait = sv_timer * -1000000.0;
2714                 if (wait >= 1)
2715                 {
2716                         double time0, delta;
2717                         SV_UnlockThreadMutex(); // don't keep mutex locked while sleeping
2718                         if (host_maxwait.value <= 0)
2719                                 wait = min(wait, 1000000.0);
2720                         else
2721                                 wait = min(wait, host_maxwait.value * 1000.0);
2722                         if(wait < 1)
2723                                 wait = 1; // because we cast to int
2724                         time0 = Sys_DirtyTime();
2725                         Sys_Sleep((int)wait);
2726                         delta = Sys_DirtyTime() - time0;if (delta < 0 || delta >= 1800) delta = 0;
2727                         svs.perf_acc_sleeptime += delta;
2728                         continue;
2729                 }
2730
2731                 if (sv.active && sv_timer > 0)
2732                 {
2733                         // execute one server frame
2734                         double advancetime;
2735                         float offset;
2736
2737                         if (sys_ticrate.value <= 0)
2738                                 advancetime = min(sv_timer, 0.1); // don't step more than 100ms
2739                         else
2740                                 advancetime = sys_ticrate.value;
2741
2742                         if(advancetime > 0)
2743                         {
2744                                 offset = sv_timer + (Sys_DirtyTime() - sv_realtime); // LadyHavoc: FIXME: I don't understand this line
2745                                 ++svs.perf_acc_offset_samples;
2746                                 svs.perf_acc_offset += offset;
2747                                 svs.perf_acc_offset_squared += offset * offset;
2748                                 if(svs.perf_acc_offset_max < offset)
2749                                         svs.perf_acc_offset_max = offset;
2750                         }
2751
2752                         // only advance time if not paused
2753                         // the game also pauses in singleplayer when menu or console is used
2754                         sv.frametime = advancetime * host_timescale.value;
2755                         if (host_framerate.value)
2756                                 sv.frametime = host_framerate.value;
2757                         if (sv.paused || host.paused)
2758                                 sv.frametime = 0;
2759
2760                         sv_timer -= advancetime;
2761
2762                         // move things around and think unless paused
2763                         if (sv.frametime)
2764                                 SV_Physics();
2765
2766                         // send all messages to the clients
2767                         SV_SendClientMessages();
2768
2769                         if (sv.paused == 1 && sv_realtime > sv.pausedstart && sv.pausedstart > 0)
2770                         {
2771                                 PRVM_serverglobalfloat(time) = sv.time;
2772                                 prog->globals.fp[OFS_PARM0] = sv_realtime - sv.pausedstart;
2773                                 prog->ExecuteProgram(prog, PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
2774                         }
2775
2776                         // send an heartbeat if enough time has passed since the last one
2777                         NetConn_Heartbeat(0);
2778
2779                 }
2780
2781                 // we're back to safe code now
2782                 SV_UnlockThreadMutex();
2783
2784                 // if there is some time remaining from this frame, reset the timers
2785                 if (sv_timer >= 0)
2786                 {
2787                         svs.perf_acc_lost += sv_timer;
2788                         sv_timer = 0;
2789                 }
2790         }
2791         return 0;
2792 }
2793
2794 void SV_StartThread(void)
2795 {
2796         if (!sv_threaded.integer || !Thread_HasThreads())
2797                 return;
2798         svs.threaded = true;
2799         svs.threadstop = false;
2800         svs.threadmutex = Thread_CreateMutex();
2801         svs.thread = Thread_CreateThread(SV_ThreadFunc, NULL);
2802 }
2803
2804 void SV_StopThread(void)
2805 {
2806         if (!svs.threaded)
2807                 return;
2808         svs.threadstop = true;
2809         Thread_WaitThread(svs.thread, 0);
2810         Thread_DestroyMutex(svs.threadmutex);
2811         svs.threaded = false;
2812 }