sv_main.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // sv_main.c -- server main program
  21
  22 #include "quakedef.h"
  23 #include "sv_demo.h"
  24 #include "libcurl.h"
  25 #include "csprogs.h"
  26
  27 static void SV_SaveEntFile_f(void);
  28 static void SV_StartDownload_f(void);
  29 static void SV_Download_f(void);
  30 static void SV_VM_Setup(void);
  31 extern cvar_t net_connecttimeout;
  32
  33 void VM_CustomStats_Clear (void);
  34 void VM_SV_UpdateCustomStats (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats);
  35
  36 cvar_t sv_worldmessage = {CVAR_READONLY, "sv_worldmessage", "", "title of current level"};
  37 cvar_t sv_worldname = {CVAR_READONLY, "sv_worldname", "", "name of current worldmodel"};
  38 cvar_t sv_worldnamenoextension = {CVAR_READONLY, "sv_worldnamenoextension", "", "name of current worldmodel without extension"};
  39 cvar_t sv_worldbasename = {CVAR_READONLY, "sv_worldbasename", "", "name of current worldmodel without maps/ prefix or extension"};
  40
  41 cvar_t coop = {0, "coop","0", "coop mode, 0 = no coop, 1 = coop mode, multiple players playing through the singleplayer game (coop mode also shuts off deathmatch)"};
  42 cvar_t deathmatch = {0, "deathmatch","0", "deathmatch mode, values depend on mod but typically 0 = no deathmatch, 1 = normal deathmatch with respawning weapons, 2 = weapons stay (players can only pick up new weapons)"};
  43 cvar_t fraglimit = {CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
  44 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
  45 cvar_t noexit = {CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
  46 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
  47 cvar_t pausable = {0, "pausable","1", "allow players to pause or not"};
  48 cvar_t pr_checkextension = {CVAR_READONLY, "pr_checkextension", "1", "indicates to QuakeC that the standard quakec extensions system is available (if 0, quakec should not attempt to use extensions)"};
  49 cvar_t samelevel = {CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
  50 cvar_t skill = {0, "skill","1", "difficulty level of game, affects monster layouts in levels, 0 = easy, 1 = normal, 2 = hard, 3 = nightmare (same layout as hard but monsters fire twice)"};
  51 cvar_t slowmo = {0, "slowmo", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
  52
  53 cvar_t sv_accelerate = {0, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
  54 cvar_t sv_aim = {CVAR_SAVE, "sv_aim", "2", "maximum cosine angle for quake's vertical autoaim, a value above 1 completely disables the autoaim, quake used 0.93"};
  55 cvar_t sv_airaccel_qw = {0, "sv_airaccel_qw", "1", "ratio of QW-style air control as opposed to simple acceleration; when < 0, the speed is clamped against the maximum allowed forward speed after the move"};
  56 cvar_t sv_airaccel_qw_stretchfactor = {0, "sv_airaccel_qw_stretchfactor", "0", "when set, the maximum acceleration increase the player may get compared to forward-acceleration when strafejumping"};
  57 cvar_t sv_airaccel_sideways_friction = {0, "sv_airaccel_sideways_friction", "", "anti-sideways movement stabilization (reduces speed gain when zigzagging); when < 0, only so much friction is applied that braking (by accelerating backwards) cannot be stronger"};
  58 cvar_t sv_airaccelerate = {0, "sv_airaccelerate", "-1", "rate at which a player accelerates to sv_maxairspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
  59 cvar_t sv_airstopaccelerate = {0, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
  60 cvar_t sv_airspeedlimit_nonqw = {0, "sv_airspeedlimit_nonqw", "0", "when set, this is a soft speed limit while in air when using airaccel_qw not equal to 1"};
  61 cvar_t sv_airstrafeaccelerate = {0, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
  62 cvar_t sv_maxairstrafespeed = {0, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
  63 cvar_t sv_airstrafeaccel_qw = {0, "sv_airstrafeaccel_qw", "0", "when set, replacement for sv_airaccel_qw when just strafing"};
  64 cvar_t sv_aircontrol = {0, "sv_aircontrol", "0", "CPMA-style air control"};
  65 cvar_t sv_aircontrol_power = {0, "sv_aircontrol_power", "2", "CPMA-style air control exponent"};
  66 cvar_t sv_aircontrol_penalty = {0, "sv_aircontrol_penalty", "0", "deceleration while using CPMA-style air control"};
  67 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
  68 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
  69 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
  70 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
  71 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
  72 cvar_t sv_areagrid_mingridsize = {CVAR_NOTIFY, "sv_areagrid_mingridsize", "128", "minimum areagrid cell size, smaller values work better for lots of small objects, higher values for large objects"};
  73 cvar_t sv_checkforpacketsduringsleep = {0, "sv_checkforpacketsduringsleep", "0", "uses select() function to wait between frames which can be interrupted by packets being received, instead of Sleep()/usleep()/SDL_Sleep() functions which do not check for packets"};
  74 cvar_t sv_clmovement_enable = {0, "sv_clmovement_enable", "1", "whether to allow clients to use cl_movement prediction, which can cause choppy movement on the server which may annoy other players"};
  75 cvar_t sv_clmovement_minping = {0, "sv_clmovement_minping", "0", "if client ping is below this time in milliseconds, then their ability to use cl_movement prediction is disabled for a while (as they don't need it)"};
  76 cvar_t sv_clmovement_minping_disabletime = {0, "sv_clmovement_minping_disabletime", "1000", "when client falls below minping, disable their prediction for this many milliseconds (should be at least 1000 or else their prediction may turn on/off frequently)"};
  77 cvar_t sv_clmovement_inputtimeout = {0, "sv_clmovement_inputtimeout", "0.2", "when a client does not send input for this many seconds, force them to move anyway (unlike QuakeWorld)"};
  78 cvar_t sv_cullentities_nevercullbmodels = {0, "sv_cullentities_nevercullbmodels", "0", "if enabled the clients are always notified of moving doors and lifts and other submodels of world (warning: eats a lot of network bandwidth on some levels!)"};
  79 cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
  80 cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  81 cvar_t sv_cullentities_trace = {0, "sv_cullentities_trace", "0", "somewhat slow but very tight culling of hidden entities, minimizes network traffic and makes wallhack cheats useless"};
  82 cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  83 cvar_t sv_cullentities_trace_delay_players = {0, "sv_cullentities_trace_delay_players", "0.2", "number of seconds until the entity gets actually culled if it is a player entity"};
  84 cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  85 cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
  86 cvar_t sv_cullentities_trace_prediction_time = {0, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
  87 cvar_t sv_cullentities_trace_entityocclusion = {0, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
  88 cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
  89 cvar_t sv_cullentities_trace_samples_extra = {0, "sv_cullentities_trace_samples_extra", "2", "number of samples to test for entity culling when the entity affects its surroundings by e.g. dlight"};
  90 cvar_t sv_cullentities_trace_samples_players = {0, "sv_cullentities_trace_samples_players", "8", "number of samples to test for entity culling when the entity is a player entity"};
  91 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
  92 cvar_t sv_echobprint = {CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
  93 cvar_t sv_edgefriction = {0, "edgefriction", "1", "how much you slow down when nearing a ledge you might fall off, multiplier of sv_friction (Quake used 2, QuakeWorld used 1 due to a bug in physics code)"};
  94 cvar_t sv_entpatch = {0, "sv_entpatch", "1", "enables loading of .ent files to override entities in the bsp (for example Threewave CTF server pack contains .ent patch files enabling play of CTF on id1 maps)"};
  95 cvar_t sv_fixedframeratesingleplayer = {0, "sv_fixedframeratesingleplayer", "1", "allows you to use server-style timing system in singleplayer (don't run faster than sys_ticrate)"};
  96 cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
  97 cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
  98 cvar_t sv_gameplayfix_blowupfallenzombies = {0, "sv_gameplayfix_blowupfallenzombies", "1", "causes findradius to detect SOLID_NOT entities such as zombies and corpses on the floor, allowing splash damage to apply to them"};
  99 cvar_t sv_gameplayfix_consistentplayerprethink = {0, "sv_gameplayfix_consistentplayerprethink", "0", "improves fairness in multiplayer by running all PlayerPreThink functions (which fire weapons) before performing physics, then running all PlayerPostThink functions"};
 100 cvar_t sv_gameplayfix_delayprojectiles = {0, "sv_gameplayfix_delayprojectiles", "1", "causes entities to not move on the same frame they are spawned, meaning that projectiles wait until the next frame to perform their first move, giving proper interpolation and rocket trails, but making weapons harder to use at low framerates"};
 101 cvar_t sv_gameplayfix_droptofloorstartsolid = {0, "sv_gameplayfix_droptofloorstartsolid", "1", "prevents items and monsters that start in a solid area from falling out of the level (makes droptofloor treat trace_startsolid as an acceptable outcome)"};
 102 cvar_t sv_gameplayfix_droptofloorstartsolid_nudgetocorrect = {0, "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect", "1", "tries to nudge stuck items and monsters out of walls before droptofloor is performed"};
 103 cvar_t sv_gameplayfix_easierwaterjump = {0, "sv_gameplayfix_easierwaterjump", "1", "changes water jumping to make it easier to get out of water (exactly like in QuakeWorld)"};
 104 cvar_t sv_gameplayfix_findradiusdistancetobox = {0, "sv_gameplayfix_findradiusdistancetobox", "1", "causes findradius to check the distance to the corner of a box rather than the center of the box, makes findradius detect bmodels such as very large doors that would otherwise be unaffected by splash damage"};
 105 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
 106 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
 107 cvar_t sv_gameplayfix_multiplethinksperframe = {0, "sv_gameplayfix_multiplethinksperframe", "1", "allows entities to think more often than the server framerate, primarily useful for very high fire rate weapons"};
 108 cvar_t sv_gameplayfix_noairborncorpse = {0, "sv_gameplayfix_noairborncorpse", "1", "causes entities (corpses, items, etc) sitting ontop of moving entities (players) to fall when the moving entity (player) is no longer supporting them"};
 109 cvar_t sv_gameplayfix_noairborncorpse_allowsuspendeditems = {0, "sv_gameplayfix_noairborncorpse_allowsuspendeditems", "1", "causes entities sitting ontop of objects that are instantaneously remove to float in midair (special hack to allow a common level design trick for floating items)"};
 110 cvar_t sv_gameplayfix_nudgeoutofsolid = {0, "sv_gameplayfix_nudgeoutofsolid", "0", "attempts to fix physics errors (where an object ended up in solid for some reason)"};
 111 cvar_t sv_gameplayfix_nudgeoutofsolid_separation = {0, "sv_gameplayfix_nudgeoutofsolid_separation", "0.03125", "keep objects this distance apart to prevent collision issues on seams"};
 112 cvar_t sv_gameplayfix_q2airaccelerate = {0, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
 113 cvar_t sv_gameplayfix_nogravityonground = {0, "sv_gameplayfix_nogravityonground", "0", "turn off gravity when on ground (to get rid of sliding)"};
 114 cvar_t sv_gameplayfix_setmodelrealbox = {0, "sv_gameplayfix_setmodelrealbox", "1", "fixes a bug in Quake that made setmodel always set the entity box to ('-16 -16 -16', '16 16 16') rather than properly checking the model box, breaks some poorly coded mods"};
 115 cvar_t sv_gameplayfix_slidemoveprojectiles = {0, "sv_gameplayfix_slidemoveprojectiles", "1", "allows MOVETYPE_FLY/FLYMISSILE/TOSS/BOUNCE/BOUNCEMISSILE entities to finish their move in a frame even if they hit something, fixes 'gravity accumulation' bug for grenades on steep slopes"};
 116 cvar_t sv_gameplayfix_stepdown = {0, "sv_gameplayfix_stepdown", "0", "attempts to step down stairs, not just up them (prevents the familiar thud..thud..thud.. when running down stairs and slopes)"};
 117 cvar_t sv_gameplayfix_stepwhilejumping = {0, "sv_gameplayfix_stepwhilejumping", "1", "applies step-up onto a ledge even while airborn, useful if you would otherwise just-miss the floor when running across small areas with gaps (for instance running across the moving platforms in dm2, or jumping to the megahealth and red armor in dm2 rather than using the bridge)"};
 118 cvar_t sv_gameplayfix_stepmultipletimes = {0, "sv_gameplayfix_stepmultipletimes", "0", "applies step-up onto a ledge more than once in a single frame, when running quickly up stairs"};
 119 cvar_t sv_gameplayfix_nostepmoveonsteepslopes = {0, "sv_gameplayfix_nostepmoveonsteepslopes", "0", "grude fix which prevents MOVETYPE_STEP (not swimming or flying) to move on slopes whose angle is bigger than 45 degree"};
 120 cvar_t sv_gameplayfix_swiminbmodels = {0, "sv_gameplayfix_swiminbmodels", "1", "causes pointcontents (used to determine if you are in a liquid) to check bmodel entities as well as the world model, so you can swim around in (possibly moving) water bmodel entities"};
 121 cvar_t sv_gameplayfix_upwardvelocityclearsongroundflag = {0, "sv_gameplayfix_upwardvelocityclearsongroundflag", "1", "prevents monsters, items, and most other objects from being stuck to the floor when pushed around by damage, and other situations in mods"};
 122 cvar_t sv_gameplayfix_downtracesupportsongroundflag = {0, "sv_gameplayfix_downtracesupportsongroundflag", "1", "prevents very short moves from clearing onground (which may make the player stick to the floor at high netfps)"};
 123 cvar_t sv_gameplayfix_q1bsptracelinereportstexture = {0, "sv_gameplayfix_q1bsptracelinereportstexture", "1", "enables mods to get accurate trace_texture results on q1bsp by using a surface-hitting traceline implementation rather than the standard solidbsp method, q3bsp always reports texture accurately"};
 124 cvar_t sv_gameplayfix_unstickplayers = {0, "sv_gameplayfix_unstickplayers", "1", "big hack to try and fix the rare case of MOVETYPE_WALK entities getting stuck in the world clipping hull."};
 125 cvar_t sv_gameplayfix_unstickentities = {0, "sv_gameplayfix_unstickentities", "1", "hack to check if entities are crossing world collision hull and try to move them to the right position"};
 126 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 127 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 128 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
 129 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 130 cvar_t sv_maxairspeed = {0, "sv_maxairspeed", "30", "maximum speed a player can accelerate to when airborn (note that it is possible to completely stop by moving the opposite direction)"};
 131 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 132 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 133 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 134 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 135 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 136 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 137 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 138 cvar_t sv_random_seed = {0, "sv_random_seed", "", "random seed; when set, on every map start this random seed is used to initialize the random number generator. Don't touch it unless for benchmarking or debugging"};
 139 cvar_t sv_ratelimitlocalplayer = {0, "sv_ratelimitlocalplayer", "0", "whether to apply rate limiting to the local player in a listen server (only useful for testing)"};
 140 cvar_t sv_sound_land = {0, "sv_sound_land", "demon/dland2.wav", "sound to play when MOVETYPE_STEP entity hits the ground at high speed (empty cvar disables the sound)"};
 141 cvar_t sv_sound_watersplash = {0, "sv_sound_watersplash", "misc/h2ohit1.wav", "sound to play when MOVETYPE_FLY/TOSS/BOUNCE/STEP entity enters or leaves water (empty cvar disables the sound)"};
 142 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 143 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 144 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 145 cvar_t sv_wateraccelerate = {0, "sv_wateraccelerate", "-1", "rate at which a player accelerates to sv_maxspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
 146 cvar_t sv_waterfriction = {CVAR_NOTIFY, "sv_waterfriction","-1", "how fast you slow down, if less than 0 the sv_friction variable is used instead"};
 147 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 148 cvar_t sv_warsowbunny_accel = {0, "sv_warsowbunny_accel", "0.1585", "how fast you accelerate until after reaching sv_maxspeed (it gets harder as you near sv_warsowbunny_topspeed)"};
 149 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 150 cvar_t sv_warsowbunny_turnaccel = {0, "sv_warsowbunny_turnaccel", "0", "max sharpness of turns (also master switch for the sv_warsowbunny_* mode; set this to 9 to enable)"};
 151 cvar_t sv_warsowbunny_backtosideratio = {0, "sv_warsowbunny_backtosideratio", "0.8", "lower values make it easier to change direction without losing speed; the drawback is \"understeering\" in sharp turns"};
 152 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
 153 cvar_t sys_ticrate = {CVAR_SAVE, "sys_ticrate","0.0138889", "how long a server frame is in seconds, 0.05 is 20fps server rate, 0.1 is 10fps (can not be set higher than 0.1), 0 runs as many server frames as possible (makes games against bots a little smoother, overwhelms network players), 0.0138889 matches QuakeWorld physics"};
 154 cvar_t teamplay = {CVAR_NOTIFY, "teamplay","0", "teamplay mode, values depend on mod but typically 0 = no teams, 1 = no team damage no self damage, 2 = team damage and self damage, some mods support 3 = no team damage but can damage self"};
 155 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 156
 157 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 158 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 159 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 160 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 161 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 162 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 163 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 164 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 165 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 166 cvar_t temp1 = {0, "temp1","0", "general cvar for mods to use, in stock id1 this selects which death animation to use on players (0 = random death, other values select specific death scenes)"};
 167
 168 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 169 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 170 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 171 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 172 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 173 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 174 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 175 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 176 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 177 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 178 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 179 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 180 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 181 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 182 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 183 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 184 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 185 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 186 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 187 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 188 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 189
 190 cvar_t sv_autodemo_perclient = {CVAR_SAVE, "sv_autodemo_perclient", "0", "set to 1 to enable autorecorded per-client demos (they'll start to record at the beginning of a match); set it to 2 to also record client->server packets (for debugging)"};
 191 cvar_t sv_autodemo_perclient_nameformat = {CVAR_SAVE, "sv_autodemo_perclient_nameformat", "sv_autodemos/%Y-%m-%d_%H-%M", "The format of the sv_autodemo_perclient filename, followed by the map name, the client number and the IP address + port number, separated by underscores (the date is encoded using strftime escapes)" };
 192 cvar_t sv_autodemo_perclient_discardable = {CVAR_SAVE, "sv_autodemo_perclient_discardable", "0", "Allow game code to decide whether a demo should be kept or discarded."};
 193
 194 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 195
 196 server_t sv;
 197 server_static_t svs;
 198
 199 mempool_t *sv_mempool = NULL;
 200
 201 extern cvar_t slowmo;
 202 extern float            scr_centertime_off;
 203
 204 // MUST match effectnameindex_t in client.h
 205 static const char *standardeffectnames[EFFECT_TOTAL] =
 206 {
 207         "",
 208         "TE_GUNSHOT",
 209         "TE_GUNSHOTQUAD",
 210         "TE_SPIKE",
 211         "TE_SPIKEQUAD",
 212         "TE_SUPERSPIKE",
 213         "TE_SUPERSPIKEQUAD",
 214         "TE_WIZSPIKE",
 215         "TE_KNIGHTSPIKE",
 216         "TE_EXPLOSION",
 217         "TE_EXPLOSIONQUAD",
 218         "TE_TAREXPLOSION",
 219         "TE_TELEPORT",
 220         "TE_LAVASPLASH",
 221         "TE_SMALLFLASH",
 222         "TE_FLAMEJET",
 223         "EF_FLAME",
 224         "TE_BLOOD",
 225         "TE_SPARK",
 226         "TE_PLASMABURN",
 227         "TE_TEI_G3",
 228         "TE_TEI_SMOKE",
 229         "TE_TEI_BIGEXPLOSION",
 230         "TE_TEI_PLASMAHIT",
 231         "EF_STARDUST",
 232         "TR_ROCKET",
 233         "TR_GRENADE",
 234         "TR_BLOOD",
 235         "TR_WIZSPIKE",
 236         "TR_SLIGHTBLOOD",
 237         "TR_KNIGHTSPIKE",
 238         "TR_VORESPIKE",
 239         "TR_NEHAHRASMOKE",
 240         "TR_NEXUIZPLASMA",
 241         "TR_GLOWTRAIL",
 242         "SVC_PARTICLE"
 243 };
 244
 245 #define SV_REQFUNCS 0
 246 #define sv_reqfuncs NULL
 247
 248 //#define SV_REQFUNCS (sizeof(sv_reqfuncs) / sizeof(const char *))
 249 //static const char *sv_reqfuncs[] = {
 250 //};
 251
 252 #define SV_REQFIELDS (sizeof(sv_reqfields) / sizeof(prvm_required_field_t))
 253
 254 prvm_required_field_t sv_reqfields[] =
 255 {
 256 #define PRVM_DECLARE_serverglobalfloat(x)
 257 #define PRVM_DECLARE_serverglobalvector(x)
 258 #define PRVM_DECLARE_serverglobalstring(x)
 259 #define PRVM_DECLARE_serverglobaledict(x)
 260 #define PRVM_DECLARE_serverglobalfunction(x)
 261 #define PRVM_DECLARE_clientglobalfloat(x)
 262 #define PRVM_DECLARE_clientglobalvector(x)
 263 #define PRVM_DECLARE_clientglobalstring(x)
 264 #define PRVM_DECLARE_clientglobaledict(x)
 265 #define PRVM_DECLARE_clientglobalfunction(x)
 266 #define PRVM_DECLARE_menuglobalfloat(x)
 267 #define PRVM_DECLARE_menuglobalvector(x)
 268 #define PRVM_DECLARE_menuglobalstring(x)
 269 #define PRVM_DECLARE_menuglobaledict(x)
 270 #define PRVM_DECLARE_menuglobalfunction(x)
 271 #define PRVM_DECLARE_serverfieldfloat(x) {ev_float, #x},
 272 #define PRVM_DECLARE_serverfieldvector(x) {ev_vector, #x},
 273 #define PRVM_DECLARE_serverfieldstring(x) {ev_string, #x},
 274 #define PRVM_DECLARE_serverfieldedict(x) {ev_entity, #x},
 275 #define PRVM_DECLARE_serverfieldfunction(x) {ev_function, #x},
 276 #define PRVM_DECLARE_clientfieldfloat(x)
 277 #define PRVM_DECLARE_clientfieldvector(x)
 278 #define PRVM_DECLARE_clientfieldstring(x)
 279 #define PRVM_DECLARE_clientfieldedict(x)
 280 #define PRVM_DECLARE_clientfieldfunction(x)
 281 #define PRVM_DECLARE_menufieldfloat(x)
 282 #define PRVM_DECLARE_menufieldvector(x)
 283 #define PRVM_DECLARE_menufieldstring(x)
 284 #define PRVM_DECLARE_menufieldedict(x)
 285 #define PRVM_DECLARE_menufieldfunction(x)
 286 #define PRVM_DECLARE_serverfunction(x)
 287 #define PRVM_DECLARE_clientfunction(x)
 288 #define PRVM_DECLARE_menufunction(x)
 289 #define PRVM_DECLARE_field(x)
 290 #define PRVM_DECLARE_global(x)
 291 #define PRVM_DECLARE_function(x)
 292 #include "prvm_offsets.h"
 293 #undef PRVM_DECLARE_serverglobalfloat
 294 #undef PRVM_DECLARE_serverglobalvector
 295 #undef PRVM_DECLARE_serverglobalstring
 296 #undef PRVM_DECLARE_serverglobaledict
 297 #undef PRVM_DECLARE_serverglobalfunction
 298 #undef PRVM_DECLARE_clientglobalfloat
 299 #undef PRVM_DECLARE_clientglobalvector
 300 #undef PRVM_DECLARE_clientglobalstring
 301 #undef PRVM_DECLARE_clientglobaledict
 302 #undef PRVM_DECLARE_clientglobalfunction
 303 #undef PRVM_DECLARE_menuglobalfloat
 304 #undef PRVM_DECLARE_menuglobalvector
 305 #undef PRVM_DECLARE_menuglobalstring
 306 #undef PRVM_DECLARE_menuglobaledict
 307 #undef PRVM_DECLARE_menuglobalfunction
 308 #undef PRVM_DECLARE_serverfieldfloat
 309 #undef PRVM_DECLARE_serverfieldvector
 310 #undef PRVM_DECLARE_serverfieldstring
 311 #undef PRVM_DECLARE_serverfieldedict
 312 #undef PRVM_DECLARE_serverfieldfunction
 313 #undef PRVM_DECLARE_clientfieldfloat
 314 #undef PRVM_DECLARE_clientfieldvector
 315 #undef PRVM_DECLARE_clientfieldstring
 316 #undef PRVM_DECLARE_clientfieldedict
 317 #undef PRVM_DECLARE_clientfieldfunction
 318 #undef PRVM_DECLARE_menufieldfloat
 319 #undef PRVM_DECLARE_menufieldvector
 320 #undef PRVM_DECLARE_menufieldstring
 321 #undef PRVM_DECLARE_menufieldedict
 322 #undef PRVM_DECLARE_menufieldfunction
 323 #undef PRVM_DECLARE_serverfunction
 324 #undef PRVM_DECLARE_clientfunction
 325 #undef PRVM_DECLARE_menufunction
 326 #undef PRVM_DECLARE_field
 327 #undef PRVM_DECLARE_global
 328 #undef PRVM_DECLARE_function
 329 };
 330
 331 #define SV_REQGLOBALS (sizeof(sv_reqglobals) / sizeof(prvm_required_field_t))
 332
 333 prvm_required_field_t sv_reqglobals[] =
 334 {
 335 #define PRVM_DECLARE_serverglobalfloat(x) {ev_float, #x},
 336 #define PRVM_DECLARE_serverglobalvector(x) {ev_vector, #x},
 337 #define PRVM_DECLARE_serverglobalstring(x) {ev_string, #x},
 338 #define PRVM_DECLARE_serverglobaledict(x) {ev_entity, #x},
 339 #define PRVM_DECLARE_serverglobalfunction(x) {ev_function, #x},
 340 #define PRVM_DECLARE_clientglobalfloat(x)
 341 #define PRVM_DECLARE_clientglobalvector(x)
 342 #define PRVM_DECLARE_clientglobalstring(x)
 343 #define PRVM_DECLARE_clientglobaledict(x)
 344 #define PRVM_DECLARE_clientglobalfunction(x)
 345 #define PRVM_DECLARE_menuglobalfloat(x)
 346 #define PRVM_DECLARE_menuglobalvector(x)
 347 #define PRVM_DECLARE_menuglobalstring(x)
 348 #define PRVM_DECLARE_menuglobaledict(x)
 349 #define PRVM_DECLARE_menuglobalfunction(x)
 350 #define PRVM_DECLARE_serverfieldfloat(x)
 351 #define PRVM_DECLARE_serverfieldvector(x)
 352 #define PRVM_DECLARE_serverfieldstring(x)
 353 #define PRVM_DECLARE_serverfieldedict(x)
 354 #define PRVM_DECLARE_serverfieldfunction(x)
 355 #define PRVM_DECLARE_clientfieldfloat(x)
 356 #define PRVM_DECLARE_clientfieldvector(x)
 357 #define PRVM_DECLARE_clientfieldstring(x)
 358 #define PRVM_DECLARE_clientfieldedict(x)
 359 #define PRVM_DECLARE_clientfieldfunction(x)
 360 #define PRVM_DECLARE_menufieldfloat(x)
 361 #define PRVM_DECLARE_menufieldvector(x)
 362 #define PRVM_DECLARE_menufieldstring(x)
 363 #define PRVM_DECLARE_menufieldedict(x)
 364 #define PRVM_DECLARE_menufieldfunction(x)
 365 #define PRVM_DECLARE_serverfunction(x)
 366 #define PRVM_DECLARE_clientfunction(x)
 367 #define PRVM_DECLARE_menufunction(x)
 368 #define PRVM_DECLARE_field(x)
 369 #define PRVM_DECLARE_global(x)
 370 #define PRVM_DECLARE_function(x)
 371 #include "prvm_offsets.h"
 372 #undef PRVM_DECLARE_serverglobalfloat
 373 #undef PRVM_DECLARE_serverglobalvector
 374 #undef PRVM_DECLARE_serverglobalstring
 375 #undef PRVM_DECLARE_serverglobaledict
 376 #undef PRVM_DECLARE_serverglobalfunction
 377 #undef PRVM_DECLARE_clientglobalfloat
 378 #undef PRVM_DECLARE_clientglobalvector
 379 #undef PRVM_DECLARE_clientglobalstring
 380 #undef PRVM_DECLARE_clientglobaledict
 381 #undef PRVM_DECLARE_clientglobalfunction
 382 #undef PRVM_DECLARE_menuglobalfloat
 383 #undef PRVM_DECLARE_menuglobalvector
 384 #undef PRVM_DECLARE_menuglobalstring
 385 #undef PRVM_DECLARE_menuglobaledict
 386 #undef PRVM_DECLARE_menuglobalfunction
 387 #undef PRVM_DECLARE_serverfieldfloat
 388 #undef PRVM_DECLARE_serverfieldvector
 389 #undef PRVM_DECLARE_serverfieldstring
 390 #undef PRVM_DECLARE_serverfieldedict
 391 #undef PRVM_DECLARE_serverfieldfunction
 392 #undef PRVM_DECLARE_clientfieldfloat
 393 #undef PRVM_DECLARE_clientfieldvector
 394 #undef PRVM_DECLARE_clientfieldstring
 395 #undef PRVM_DECLARE_clientfieldedict
 396 #undef PRVM_DECLARE_clientfieldfunction
 397 #undef PRVM_DECLARE_menufieldfloat
 398 #undef PRVM_DECLARE_menufieldvector
 399 #undef PRVM_DECLARE_menufieldstring
 400 #undef PRVM_DECLARE_menufieldedict
 401 #undef PRVM_DECLARE_menufieldfunction
 402 #undef PRVM_DECLARE_serverfunction
 403 #undef PRVM_DECLARE_clientfunction
 404 #undef PRVM_DECLARE_menufunction
 405 #undef PRVM_DECLARE_field
 406 #undef PRVM_DECLARE_global
 407 #undef PRVM_DECLARE_function
 408 };
 409
 410
 411
 412 //============================================================================
 413
 414 void SV_AreaStats_f(void)
 415 {
 416         World_PrintAreaStats(&sv.world, "server");
 417 }
 418
 419 /*
 420 ===============
 421 SV_Init
 422 ===============
 423 */
 424 void SV_Init (void)
 425 {
 426         // init the csqc progs cvars, since they are updated/used by the server code
 427         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 428         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 429         extern cvar_t csqc_progcrc;
 430         extern cvar_t csqc_progsize;
 431         extern cvar_t csqc_usedemoprogs;
 432
 433         Cvar_RegisterVariable(&sv_worldmessage);
 434         Cvar_RegisterVariable(&sv_worldname);
 435         Cvar_RegisterVariable(&sv_worldnamenoextension);
 436         Cvar_RegisterVariable(&sv_worldbasename);
 437
 438         Cvar_RegisterVariable (&csqc_progname);
 439         Cvar_RegisterVariable (&csqc_progcrc);
 440         Cvar_RegisterVariable (&csqc_progsize);
 441         Cvar_RegisterVariable (&csqc_usedemoprogs);
 442
 443         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 444         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 445         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 446         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
 447
 448         Cvar_RegisterVariable (&coop);
 449         Cvar_RegisterVariable (&deathmatch);
 450         Cvar_RegisterVariable (&fraglimit);
 451         Cvar_RegisterVariable (&gamecfg);
 452         Cvar_RegisterVariable (&noexit);
 453         Cvar_RegisterVariable (&nomonsters);
 454         Cvar_RegisterVariable (&pausable);
 455         Cvar_RegisterVariable (&pr_checkextension);
 456         Cvar_RegisterVariable (&samelevel);
 457         Cvar_RegisterVariable (&skill);
 458         Cvar_RegisterVariable (&slowmo);
 459         Cvar_RegisterVariable (&sv_accelerate);
 460         Cvar_RegisterVariable (&sv_aim);
 461         Cvar_RegisterVariable (&sv_airaccel_qw);
 462         Cvar_RegisterVariable (&sv_airaccel_qw_stretchfactor);
 463         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 464         Cvar_RegisterVariable (&sv_airaccelerate);
 465         Cvar_RegisterVariable (&sv_airstopaccelerate);
 466         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 467         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 468         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
 469         Cvar_RegisterVariable (&sv_airspeedlimit_nonqw);
 470         Cvar_RegisterVariable (&sv_aircontrol);
 471         Cvar_RegisterVariable (&sv_aircontrol_power);
 472         Cvar_RegisterVariable (&sv_aircontrol_penalty);
 473         Cvar_RegisterVariable (&sv_allowdownloads);
 474         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 475         Cvar_RegisterVariable (&sv_allowdownloads_config);
 476         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 477         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 478         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 479         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 480         Cvar_RegisterVariable (&sv_clmovement_enable);
 481         Cvar_RegisterVariable (&sv_clmovement_minping);
 482         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 483         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 484         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 485         Cvar_RegisterVariable (&sv_cullentities_pvs);
 486         Cvar_RegisterVariable (&sv_cullentities_stats);
 487         Cvar_RegisterVariable (&sv_cullentities_trace);
 488         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 489         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 490         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 491         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 492         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 493         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 494         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 495         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 496         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 497         Cvar_RegisterVariable (&sv_debugmove);
 498         Cvar_RegisterVariable (&sv_echobprint);
 499         Cvar_RegisterVariable (&sv_edgefriction);
 500         Cvar_RegisterVariable (&sv_entpatch);
 501         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 502         Cvar_RegisterVariable (&sv_freezenonclients);
 503         Cvar_RegisterVariable (&sv_friction);
 504         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 505         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
 506         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 507         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 508         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 509         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 510         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 511         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 512         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 513         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 514         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 515         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 516         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
 517         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_separation);
 518         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 519         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
 520         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 521         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 522         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 523         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
 524         Cvar_RegisterVariable (&sv_gameplayfix_stepmultipletimes);
 525         Cvar_RegisterVariable (&sv_gameplayfix_nostepmoveonsteepslopes);
 526         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 527         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 528         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
 529         Cvar_RegisterVariable (&sv_gameplayfix_q1bsptracelinereportstexture);
 530         Cvar_RegisterVariable (&sv_gameplayfix_unstickplayers);
 531         Cvar_RegisterVariable (&sv_gameplayfix_unstickentities);
 532         Cvar_RegisterVariable (&sv_gravity);
 533         Cvar_RegisterVariable (&sv_idealpitchscale);
 534         Cvar_RegisterVariable (&sv_jumpstep);
 535         Cvar_RegisterVariable (&sv_jumpvelocity);
 536         Cvar_RegisterVariable (&sv_maxairspeed);
 537         Cvar_RegisterVariable (&sv_maxrate);
 538         Cvar_RegisterVariable (&sv_maxspeed);
 539         Cvar_RegisterVariable (&sv_maxvelocity);
 540         Cvar_RegisterVariable (&sv_nostep);
 541         Cvar_RegisterVariable (&sv_playerphysicsqc);
 542         Cvar_RegisterVariable (&sv_progs);
 543         Cvar_RegisterVariable (&sv_protocolname);
 544         Cvar_RegisterVariable (&sv_random_seed);
 545         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
 546         Cvar_RegisterVariable (&sv_sound_land);
 547         Cvar_RegisterVariable (&sv_sound_watersplash);
 548         Cvar_RegisterVariable (&sv_stepheight);
 549         Cvar_RegisterVariable (&sv_stopspeed);
 550         Cvar_RegisterVariable (&sv_wallfriction);
 551         Cvar_RegisterVariable (&sv_wateraccelerate);
 552         Cvar_RegisterVariable (&sv_waterfriction);
 553         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 554         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 555         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 556         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 557         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 558         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 559         Cvar_RegisterVariable (&sys_ticrate);
 560         Cvar_RegisterVariable (&teamplay);
 561         Cvar_RegisterVariable (&timelimit);
 562
 563         Cvar_RegisterVariable (&saved1);
 564         Cvar_RegisterVariable (&saved2);
 565         Cvar_RegisterVariable (&saved3);
 566         Cvar_RegisterVariable (&saved4);
 567         Cvar_RegisterVariable (&savedgamecfg);
 568         Cvar_RegisterVariable (&scratch1);
 569         Cvar_RegisterVariable (&scratch2);
 570         Cvar_RegisterVariable (&scratch3);
 571         Cvar_RegisterVariable (&scratch4);
 572         Cvar_RegisterVariable (&temp1);
 573
 574         // LordHavoc: Nehahra uses these to pass data around cutscene demos
 575         Cvar_RegisterVariable (&nehx00);
 576         Cvar_RegisterVariable (&nehx01);
 577         Cvar_RegisterVariable (&nehx02);
 578         Cvar_RegisterVariable (&nehx03);
 579         Cvar_RegisterVariable (&nehx04);
 580         Cvar_RegisterVariable (&nehx05);
 581         Cvar_RegisterVariable (&nehx06);
 582         Cvar_RegisterVariable (&nehx07);
 583         Cvar_RegisterVariable (&nehx08);
 584         Cvar_RegisterVariable (&nehx09);
 585         Cvar_RegisterVariable (&nehx10);
 586         Cvar_RegisterVariable (&nehx11);
 587         Cvar_RegisterVariable (&nehx12);
 588         Cvar_RegisterVariable (&nehx13);
 589         Cvar_RegisterVariable (&nehx14);
 590         Cvar_RegisterVariable (&nehx15);
 591         Cvar_RegisterVariable (&nehx16);
 592         Cvar_RegisterVariable (&nehx17);
 593         Cvar_RegisterVariable (&nehx18);
 594         Cvar_RegisterVariable (&nehx19);
 595         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 596
 597         Cvar_RegisterVariable (&sv_autodemo_perclient);
 598         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 599         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
 600
 601         Cvar_RegisterVariable (&halflifebsp);
 602
 603         sv_mempool = Mem_AllocPool("server", 0, NULL);
 604 }
 605
 606 static void SV_SaveEntFile_f(void)
 607 {
 608         if (!sv.active || !sv.worldmodel)
 609         {
 610                 Con_Print("Not running a server\n");
 611                 return;
 612         }
 613         FS_WriteFile(va("%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 614 }
 615
 616
 617 /*
 618 =============================================================================
 619
 620 EVENT MESSAGES
 621
 622 =============================================================================
 623 */
 624
 625 /*
 626 ==================
 627 SV_StartParticle
 628
 629 Make sure the event gets sent to all clients
 630 ==================
 631 */
 632 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 633 {
 634         int i;
 635
 636         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 637                 return;
 638         MSG_WriteByte (&sv.datagram, svc_particle);
 639         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 640         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 641         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 642         for (i=0 ; i<3 ; i++)
 643                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 644         MSG_WriteByte (&sv.datagram, count);
 645         MSG_WriteByte (&sv.datagram, color);
 646         SV_FlushBroadcastMessages();
 647 }
 648
 649 /*
 650 ==================
 651 SV_StartEffect
 652
 653 Make sure the event gets sent to all clients
 654 ==================
 655 */
 656 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 657 {
 658         if (modelindex >= 256 || startframe >= 256)
 659         {
 660                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 661                         return;
 662                 MSG_WriteByte (&sv.datagram, svc_effect2);
 663                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 664                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 665                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 666                 MSG_WriteShort (&sv.datagram, modelindex);
 667                 MSG_WriteShort (&sv.datagram, startframe);
 668                 MSG_WriteByte (&sv.datagram, framecount);
 669                 MSG_WriteByte (&sv.datagram, framerate);
 670         }
 671         else
 672         {
 673                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 674                         return;
 675                 MSG_WriteByte (&sv.datagram, svc_effect);
 676                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 677                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 678                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 679                 MSG_WriteByte (&sv.datagram, modelindex);
 680                 MSG_WriteByte (&sv.datagram, startframe);
 681                 MSG_WriteByte (&sv.datagram, framecount);
 682                 MSG_WriteByte (&sv.datagram, framerate);
 683         }
 684         SV_FlushBroadcastMessages();
 685 }
 686
 687 /*
 688 ==================
 689 SV_StartSound
 690
 691 Each entity can have eight independant sound sources, like voice,
 692 weapon, feet, etc.
 693
 694 Channel 0 is an auto-allocate channel, the others override anything
 695 already running on that entity/channel pair.
 696
 697 An attenuation of 0 will play full volume everywhere in the level.
 698 Larger attenuations will drop off.  (max 4 attenuation)
 699
 700 ==================
 701 */
 702 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation, qboolean reliable, float speed)
 703 {
 704         sizebuf_t *dest;
 705         int sound_num, field_mask, i, ent, speed4000;
 706
 707         dest = (reliable ? &sv.reliable_datagram : &sv.datagram);
 708
 709         if (volume < 0 || volume > 255)
 710         {
 711                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
 712                 return;
 713         }
 714
 715         if (attenuation < 0 || attenuation > 4)
 716         {
 717                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 718                 return;
 719         }
 720
 721         if (!IS_CHAN(channel))
 722         {
 723                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 724                 return;
 725         }
 726
 727         channel = CHAN_ENGINE2NET(channel);
 728
 729         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 730                 return;
 731
 732 // find precache number for sound
 733         sound_num = SV_SoundIndex(sample, 1);
 734         if (!sound_num)
 735                 return;
 736
 737         ent = PRVM_NUM_FOR_EDICT(entity);
 738
 739         speed4000 = (int)(speed * 40.0f);
 740         field_mask = 0;
 741         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 742                 field_mask |= SND_VOLUME;
 743         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 744                 field_mask |= SND_ATTENUATION;
 745         if (ent >= 8192 || channel < 0 || channel > 7)
 746                 field_mask |= SND_LARGEENTITY;
 747         if (sound_num >= 256)
 748                 field_mask |= SND_LARGESOUND;
 749         if (speed4000 && speed4000 != 4000)
 750                 field_mask |= SND_SPEEDUSHORT4000;
 751
 752 // directed messages go only to the entity they are targeted on
 753         MSG_WriteByte (dest, svc_sound);
 754         MSG_WriteByte (dest, field_mask);
 755         if (field_mask & SND_VOLUME)
 756                 MSG_WriteByte (dest, volume);
 757         if (field_mask & SND_ATTENUATION)
 758                 MSG_WriteByte (dest, (int)(attenuation*64));
 759         if (field_mask & SND_SPEEDUSHORT4000)
 760                 MSG_WriteShort (dest, speed4000);
 761         if (field_mask & SND_LARGEENTITY)
 762         {
 763                 MSG_WriteShort (dest, ent);
 764                 MSG_WriteChar (dest, channel);
 765         }
 766         else
 767                 MSG_WriteShort (dest, (ent<<3) | channel);
 768         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 769                 MSG_WriteShort (dest, sound_num);
 770         else
 771                 MSG_WriteByte (dest, sound_num);
 772         for (i = 0;i < 3;i++)
 773                 MSG_WriteCoord (dest, PRVM_serveredictvector(entity, origin)[i]+0.5*(PRVM_serveredictvector(entity, mins)[i]+PRVM_serveredictvector(entity, maxs)[i]), sv.protocol);
 774
 775         // TODO do we have to do anything here when dest is &sv.reliable_datagram?
 776         if(!reliable)
 777                 SV_FlushBroadcastMessages();
 778 }
 779
 780 /*
 781 ==================
 782 SV_StartPointSound
 783
 784 Nearly the same logic as SV_StartSound, except an origin
 785 instead of an entity is provided and channel is omitted.
 786
 787 The entity sent to the client is 0 (world) and the channel
 788 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 789 function, therefore the check for it is omitted.
 790
 791 ==================
 792 */
 793 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation, float speed)
 794 {
 795         int sound_num, field_mask, i, speed4000;
 796
 797         if (volume < 0 || volume > 255)
 798         {
 799                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
 800                 return;
 801         }
 802
 803         if (attenuation < 0 || attenuation > 4)
 804         {
 805                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 806                 return;
 807         }
 808
 809         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 810                 return;
 811
 812         // find precache number for sound
 813         sound_num = SV_SoundIndex(sample, 1);
 814         if (!sound_num)
 815                 return;
 816
 817         speed4000 = (int)(speed * 40.0f);
 818         field_mask = 0;
 819         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 820                 field_mask |= SND_VOLUME;
 821         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 822                 field_mask |= SND_ATTENUATION;
 823         if (sound_num >= 256)
 824                 field_mask |= SND_LARGESOUND;
 825         if (speed4000 && speed4000 != 4000)
 826                 field_mask |= SND_SPEEDUSHORT4000;
 827
 828 // directed messages go only to the entity they are targeted on
 829         MSG_WriteByte (&sv.datagram, svc_sound);
 830         MSG_WriteByte (&sv.datagram, field_mask);
 831         if (field_mask & SND_VOLUME)
 832                 MSG_WriteByte (&sv.datagram, volume);
 833         if (field_mask & SND_ATTENUATION)
 834                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 835         if (field_mask & SND_SPEEDUSHORT4000)
 836                 MSG_WriteShort (&sv.datagram, speed4000);
 837         // Always write entnum 0 for the world entity
 838         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 839         if (field_mask & SND_LARGESOUND)
 840                 MSG_WriteShort (&sv.datagram, sound_num);
 841         else
 842                 MSG_WriteByte (&sv.datagram, sound_num);
 843         for (i = 0;i < 3;i++)
 844                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 845         SV_FlushBroadcastMessages();
 846 }
 847
 848 /*
 849 ==============================================================================
 850
 851 CLIENT SPAWNING
 852
 853 ==============================================================================
 854 */
 855
 856 /*
 857 ================
 858 SV_SendServerinfo
 859
 860 Sends the first message from the server to a connected client.
 861 This will be sent on the initial connection and upon each server load.
 862 ================
 863 */
 864 void SV_SendServerinfo (client_t *client)
 865 {
 866         int i;
 867         char message[128];
 868
 869         // we know that this client has a netconnection and thus is not a bot
 870
 871         // edicts get reallocated on level changes, so we need to update it here
 872         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 873
 874         // clear cached stuff that depends on the level
 875         client->weaponmodel[0] = 0;
 876         client->weaponmodelindex = 0;
 877
 878         // LordHavoc: clear entityframe tracking
 879         client->latestframenum = 0;
 880
 881         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 882         client->cmd.time = sv.time;
 883
 884         if (client->entitydatabase)
 885                 EntityFrame_FreeDatabase(client->entitydatabase);
 886         if (client->entitydatabase4)
 887                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 888         if (client->entitydatabase5)
 889                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 890
 891         memset(client->stats, 0, sizeof(client->stats));
 892         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 893
 894         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)
 895         {
 896                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 897                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 898                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 899                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 900                 else
 901                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 902         }
 903
 904         // reset csqc entity versions
 905         for (i = 0;i < prog->max_edicts;i++)
 906         {
 907                 client->csqcentityscope[i] = 0;
 908                 client->csqcentitysendflags[i] = 0xFFFFFF;
 909                 client->csqcentityglobalhistory[i] = 0;
 910         }
 911         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 912         {
 913                 client->csqcentityframehistory[i].num = 0;
 914                 client->csqcentityframehistory[i].framenum = -1;
 915         }
 916         client->csqcnumedicts = 0;
 917         client->csqcentityframehistory_next = 0;
 918
 919         SZ_Clear (&client->netconnection->message);
 920         MSG_WriteByte (&client->netconnection->message, svc_print);
 921         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
 922         MSG_WriteString (&client->netconnection->message,message);
 923
 924         SV_StopDemoRecording(client); // to split up demos into different files
 925         if(sv_autodemo_perclient.integer && client->netconnection)
 926         {
 927                 char demofile[MAX_OSPATH];
 928                 char ipaddress[MAX_QPATH];
 929                 size_t i;
 930
 931                 // start a new demo file
 932                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 933                 for(i = 0; ipaddress[i]; ++i)
 934                         if(!isalnum(ipaddress[i]))
 935                                 ipaddress[i] = '-';
 936                 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);
 937
 938                 SV_StartDemoRecording(client, demofile, -1);
 939         }
 940
 941         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 942         if (sv.csqc_progname[0])
 943         {
 944                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 945                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 946                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
 947                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 948                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
 949                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 950                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
 951
 952                 if(client->sv_demo_file != NULL)
 953                 {
 954                         int i;
 955                         static char buf[NET_MAXMESSAGE];
 956                         sizebuf_t sb;
 957
 958                         sb.data = (unsigned char *) buf;
 959                         sb.maxsize = sizeof(buf);
 960                         i = 0;
 961                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
 962                                 SV_WriteDemoMessage(client, &sb, false);
 963                 }
 964
 965                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 966                 if (PRVM_GetString(PRVM_serverglobalstring(SV_InitCmd)))
 967                 {
 968                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 969                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(PRVM_serverglobalstring(SV_InitCmd))));
 970                 }
 971         }
 972
 973         //if (sv_allowdownloads.integer)
 974         // always send the info that the server supports the protocol, even if downloads are forbidden
 975         // only because of that, the CSQC exception can work
 976         {
 977                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 978                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
 979         }
 980
 981         // send at this time so it's guaranteed to get executed at the right time
 982         {
 983                 client_t *save;
 984                 save = host_client;
 985                 host_client = client;
 986                 Curl_SendRequirements();
 987                 host_client = save;
 988         }
 989
 990         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
 991         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
 992         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
 993
 994         if (!coop.integer && deathmatch.integer)
 995                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
 996         else
 997                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
 998
 999         MSG_WriteString (&client->netconnection->message,PRVM_GetString(PRVM_serveredictstring(prog->edicts, message)));
1000
1001         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
1002                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
1003         MSG_WriteByte (&client->netconnection->message, 0);
1004
1005         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
1006                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
1007         MSG_WriteByte (&client->netconnection->message, 0);
1008
1009 // send music
1010         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
1011         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1012         MSG_WriteByte (&client->netconnection->message, (int)PRVM_serveredictfloat(prog->edicts, sounds));
1013
1014 // set view
1015 // store this in clientcamera, too
1016         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
1017         MSG_WriteByte (&client->netconnection->message, svc_setview);
1018         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
1019
1020         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
1021         MSG_WriteByte (&client->netconnection->message, 1);
1022
1023         client->spawned = false;                // need prespawn, spawn, etc
1024         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
1025
1026         // clear movement info until client enters the new level properly
1027         memset(&client->cmd, 0, sizeof(client->cmd));
1028         client->movesequence = 0;
1029         client->movement_highestsequence_seen = 0;
1030         memset(&client->movement_count, 0, sizeof(client->movement_count));
1031 #ifdef NUM_PING_TIMES
1032         for (i = 0;i < NUM_PING_TIMES;i++)
1033                 client->ping_times[i] = 0;
1034         client->num_pings = 0;
1035 #endif
1036         client->ping = 0;
1037
1038         // allow the client some time to send his keepalives, even if map loading took ages
1039         client->netconnection->timeout = realtime + net_connecttimeout.value;
1040 }
1041
1042 /*
1043 ================
1044 SV_ConnectClient
1045
1046 Initializes a client_t for a new net connection.  This will only be called
1047 once for a player each game, not once for each level change.
1048 ================
1049 */
1050 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
1051 {
1052         client_t                *client;
1053         int                             i;
1054
1055         client = svs.clients + clientnum;
1056
1057 // set up the client_t
1058         if (sv.loadgame)
1059         {
1060                 float backupparms[NUM_SPAWN_PARMS];
1061                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
1062                 memset(client, 0, sizeof(*client));
1063                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
1064         }
1065         else
1066                 memset(client, 0, sizeof(*client));
1067         client->active = true;
1068         client->netconnection = netconnection;
1069
1070         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
1071
1072         if(client->netconnection && client->netconnection->crypto.authenticated)
1073         {
1074                 Con_Printf("%s connection to %s has been established: client is %s@%.*s, I am %.*s@%.*s\n",
1075                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
1076                                 client->netconnection->address,
1077                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
1078                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1079                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1080                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1081                                 );
1082         }
1083
1084         strlcpy(client->name, "unconnected", sizeof(client->name));
1085         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1086         client->spawned = false;
1087         client->edict = PRVM_EDICT_NUM(clientnum+1);
1088         if (client->netconnection)
1089                 client->netconnection->message.allowoverflow = true;            // we can catch it
1090         // prepare the unreliable message buffer
1091         client->unreliablemsg.data = client->unreliablemsg_data;
1092         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1093         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1094         client->rate = 1000000000;
1095         // no limits for local player
1096         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
1097                 client->rate = 1000000000;
1098         client->connecttime = realtime;
1099
1100         if (!sv.loadgame)
1101         {
1102                 // call the progs to get default spawn parms for the new client
1103                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1104                 PRVM_serverglobaledict(self) = 0;
1105                 PRVM_ExecuteProgram (PRVM_serverfunction(SetNewParms), "QC function SetNewParms is missing");
1106                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1107                         client->spawn_parms[i] = (&PRVM_serverglobalfloat(parm1))[i];
1108
1109                 // set up the entity for this client (including .colormap, .team, etc)
1110                 PRVM_ED_ClearEdict(client->edict);
1111         }
1112
1113         // don't call SendServerinfo for a fresh botclient because its fields have
1114         // not been set up by the qc yet
1115         if (client->netconnection)
1116                 SV_SendServerinfo (client);
1117         else
1118                 client->spawned = true;
1119 }
1120
1121
1122 /*
1123 ===============================================================================
1124
1125 FRAME UPDATES
1126
1127 ===============================================================================
1128 */
1129
1130 /*
1131 =============================================================================
1132
1133 The PVS must include a small area around the client to allow head bobbing
1134 or other small motion on the client side.  Otherwise, a bob might cause an
1135 entity that should be visible to not show up, especially when the bob
1136 crosses a waterline.
1137
1138 =============================================================================
1139 */
1140
1141 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1142 {
1143         int i;
1144         unsigned int sendflags;
1145         unsigned int version;
1146         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1147         unsigned int customizeentityforclient;
1148         unsigned int sendentity;
1149         float f;
1150         float *v;
1151         vec3_t cullmins, cullmaxs;
1152         dp_model_t *model;
1153
1154         // fast path for games that do not use legacy entity networking
1155         // note: still networks clients even if they are legacy
1156         sendentity = PRVM_serveredictfunction(ent, SendEntity);
1157         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1158                 return false;
1159
1160         // this 2 billion unit check is actually to detect NAN origins
1161         // (we really don't want to send those)
1162         if (!(VectorLength2(PRVM_serveredictvector(ent, origin)) < 2000000000.0*2000000000.0))
1163                 return false;
1164
1165         // EF_NODRAW prevents sending for any reason except for your own
1166         // client, so we must keep all clients in this superset
1167         effects = (unsigned)PRVM_serveredictfloat(ent, effects);
1168
1169         // we can omit invisible entities with no effects that are not clients
1170         // LordHavoc: this could kill tags attached to an invisible entity, I
1171         // just hope we never have to support that case
1172         i = (int)PRVM_serveredictfloat(ent, modelindex);
1173         modelindex = (i >= 1 && i < MAX_MODELS && PRVM_serveredictstring(ent, model) && *PRVM_GetString(PRVM_serveredictstring(ent, model)) && sv.models[i]) ? i : 0;
1174
1175         flags = 0;
1176         i = (int)(PRVM_serveredictfloat(ent, glow_size) * 0.25f);
1177         glowsize = (unsigned char)bound(0, i, 255);
1178         if (PRVM_serveredictfloat(ent, glow_trail))
1179                 flags |= RENDER_GLOWTRAIL;
1180         if (PRVM_serveredictedict(ent, viewmodelforclient))
1181                 flags |= RENDER_VIEWMODEL;
1182
1183         v = PRVM_serveredictvector(ent, color);
1184         f = v[0]*256;
1185         light[0] = (unsigned short)bound(0, f, 65535);
1186         f = v[1]*256;
1187         light[1] = (unsigned short)bound(0, f, 65535);
1188         f = v[2]*256;
1189         light[2] = (unsigned short)bound(0, f, 65535);
1190         f = PRVM_serveredictfloat(ent, light_lev);
1191         light[3] = (unsigned short)bound(0, f, 65535);
1192         lightstyle = (unsigned char)PRVM_serveredictfloat(ent, style);
1193         lightpflags = (unsigned char)PRVM_serveredictfloat(ent, pflags);
1194
1195         if (gamemode == GAME_TENEBRAE)
1196         {
1197                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1198                 if (effects & 16)
1199                 {
1200                         effects &= ~16;
1201                         lightpflags |= PFLAGS_FULLDYNAMIC;
1202                 }
1203                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1204                 if (effects & 32)
1205                 {
1206                         effects &= ~32;
1207                         light[0] = (int)(0.2*256);
1208                         light[1] = (int)(1.0*256);
1209                         light[2] = (int)(0.2*256);
1210                         light[3] = 200;
1211                         lightpflags |= PFLAGS_FULLDYNAMIC;
1212                 }
1213         }
1214
1215         specialvisibilityradius = 0;
1216         if (lightpflags & PFLAGS_FULLDYNAMIC)
1217                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1218         if (glowsize)
1219                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1220         if (flags & RENDER_GLOWTRAIL)
1221                 specialvisibilityradius = max(specialvisibilityradius, 100);
1222         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1223         {
1224                 if (effects & EF_BRIGHTFIELD)
1225                         specialvisibilityradius = max(specialvisibilityradius, 80);
1226                 if (effects & EF_MUZZLEFLASH)
1227                         specialvisibilityradius = max(specialvisibilityradius, 100);
1228                 if (effects & EF_BRIGHTLIGHT)
1229                         specialvisibilityradius = max(specialvisibilityradius, 400);
1230                 if (effects & EF_DIMLIGHT)
1231                         specialvisibilityradius = max(specialvisibilityradius, 200);
1232                 if (effects & EF_RED)
1233                         specialvisibilityradius = max(specialvisibilityradius, 200);
1234                 if (effects & EF_BLUE)
1235                         specialvisibilityradius = max(specialvisibilityradius, 200);
1236                 if (effects & EF_FLAME)
1237                         specialvisibilityradius = max(specialvisibilityradius, 250);
1238                 if (effects & EF_STARDUST)
1239                         specialvisibilityradius = max(specialvisibilityradius, 100);
1240         }
1241
1242         // early culling checks
1243         // (final culling is done by SV_MarkWriteEntityStateToClient)
1244         customizeentityforclient = PRVM_serveredictfunction(ent, customizeentityforclient);
1245         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1246                 return false;
1247
1248         *cs = defaultstate;
1249         cs->active = ACTIVE_NETWORK;
1250         cs->number = enumber;
1251         VectorCopy(PRVM_serveredictvector(ent, origin), cs->origin);
1252         VectorCopy(PRVM_serveredictvector(ent, angles), cs->angles);
1253         cs->flags = flags;
1254         cs->effects = effects;
1255         cs->colormap = (unsigned)PRVM_serveredictfloat(ent, colormap);
1256         cs->modelindex = modelindex;
1257         cs->skin = (unsigned)PRVM_serveredictfloat(ent, skin);
1258         cs->frame = (unsigned)PRVM_serveredictfloat(ent, frame);
1259         cs->viewmodelforclient = PRVM_serveredictedict(ent, viewmodelforclient);
1260         cs->exteriormodelforclient = PRVM_serveredictedict(ent, exteriormodeltoclient);
1261         cs->nodrawtoclient = PRVM_serveredictedict(ent, nodrawtoclient);
1262         cs->drawonlytoclient = PRVM_serveredictedict(ent, drawonlytoclient);
1263         cs->customizeentityforclient = customizeentityforclient;
1264         cs->tagentity = PRVM_serveredictedict(ent, tag_entity);
1265         cs->tagindex = (unsigned char)PRVM_serveredictfloat(ent, tag_index);
1266         cs->glowsize = glowsize;
1267         cs->traileffectnum = PRVM_serveredictfloat(ent, traileffectnum);
1268
1269         // don't need to init cs->colormod because the defaultstate did that for us
1270         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1271         v = PRVM_serveredictvector(ent, colormod);
1272         if (VectorLength2(v))
1273         {
1274                 i = (int)(v[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1275                 i = (int)(v[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1276                 i = (int)(v[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1277         }
1278
1279         // don't need to init cs->glowmod because the defaultstate did that for us
1280         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1281         v = PRVM_serveredictvector(ent, glowmod);
1282         if (VectorLength2(v))
1283         {
1284                 i = (int)(v[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1285                 i = (int)(v[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1286                 i = (int)(v[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1287         }
1288
1289         cs->modelindex = modelindex;
1290
1291         cs->alpha = 255;
1292         f = (PRVM_serveredictfloat(ent, alpha) * 255.0f);
1293         if (f)
1294         {
1295                 i = (int)f;
1296                 cs->alpha = (unsigned char)bound(0, i, 255);
1297         }
1298         // halflife
1299         f = (PRVM_serveredictfloat(ent, renderamt));
1300         if (f)
1301         {
1302                 i = (int)f;
1303                 cs->alpha = (unsigned char)bound(0, i, 255);
1304         }
1305
1306         cs->scale = 16;
1307         f = (PRVM_serveredictfloat(ent, scale) * 16.0f);
1308         if (f)
1309         {
1310                 i = (int)f;
1311                 cs->scale = (unsigned char)bound(0, i, 255);
1312         }
1313
1314         cs->glowcolor = 254;
1315         f = PRVM_serveredictfloat(ent, glow_color);
1316         if (f)
1317                 cs->glowcolor = (int)f;
1318
1319         if (PRVM_serveredictfloat(ent, fullbright))
1320                 cs->effects |= EF_FULLBRIGHT;
1321
1322         f = PRVM_serveredictfloat(ent, modelflags);
1323         if (f)
1324                 cs->effects |= ((unsigned int)f & 0xff) << 24;
1325
1326         if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
1327                 cs->flags |= RENDER_STEP;
1328         if (cs->number != sv.writeentitiestoclient_cliententitynumber && (cs->effects & EF_LOWPRECISION) && cs->origin[0] >= -32768 && cs->origin[1] >= -32768 && cs->origin[2] >= -32768 && cs->origin[0] <= 32767 && cs->origin[1] <= 32767 && cs->origin[2] <= 32767)
1329                 cs->flags |= RENDER_LOWPRECISION;
1330         if (PRVM_serveredictfloat(ent, colormap) >= 1024)
1331                 cs->flags |= RENDER_COLORMAPPED;
1332         if (cs->viewmodelforclient)
1333                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1334
1335         if (PRVM_serveredictfloat(ent, sendcomplexanimation))
1336         {
1337                 cs->flags |= RENDER_COMPLEXANIMATION;
1338                 if (PRVM_serveredictfloat(ent, skeletonindex) >= 1)
1339                         cs->skeletonobject = ent->priv.server->skeleton;
1340                 cs->framegroupblend[0].frame = PRVM_serveredictfloat(ent, frame);
1341                 cs->framegroupblend[1].frame = PRVM_serveredictfloat(ent, frame2);
1342                 cs->framegroupblend[2].frame = PRVM_serveredictfloat(ent, frame3);
1343                 cs->framegroupblend[3].frame = PRVM_serveredictfloat(ent, frame4);
1344                 cs->framegroupblend[0].start = PRVM_serveredictfloat(ent, frame1time);
1345                 cs->framegroupblend[1].start = PRVM_serveredictfloat(ent, frame2time);
1346                 cs->framegroupblend[2].start = PRVM_serveredictfloat(ent, frame3time);
1347                 cs->framegroupblend[3].start = PRVM_serveredictfloat(ent, frame4time);
1348                 cs->framegroupblend[1].lerp = PRVM_serveredictfloat(ent, lerpfrac);
1349                 cs->framegroupblend[2].lerp = PRVM_serveredictfloat(ent, lerpfrac3);
1350                 cs->framegroupblend[3].lerp = PRVM_serveredictfloat(ent, lerpfrac4);
1351                 cs->framegroupblend[0].lerp = 1.0f - cs->framegroupblend[1].lerp - cs->framegroupblend[2].lerp - cs->framegroupblend[3].lerp;
1352         }
1353
1354         cs->light[0] = light[0];
1355         cs->light[1] = light[1];
1356         cs->light[2] = light[2];
1357         cs->light[3] = light[3];
1358         cs->lightstyle = lightstyle;
1359         cs->lightpflags = lightpflags;
1360
1361         cs->specialvisibilityradius = specialvisibilityradius;
1362
1363         // calculate the visible box of this entity (don't use the physics box
1364         // as that is often smaller than a model, and would not count
1365         // specialvisibilityradius)
1366         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1367         {
1368                 float scale = cs->scale * (1.0f / 16.0f);
1369                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1370                 {
1371                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1372                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1373                 }
1374                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1375                 {
1376                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1377                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1378                 }
1379                 else
1380                 {
1381                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1382                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1383                 }
1384         }
1385         else
1386         {
1387                 // if there is no model (or it could not be loaded), use the physics box
1388                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, mins), cullmins);
1389                 VectorAdd(cs->origin, PRVM_serveredictvector(ent, maxs), cullmaxs);
1390         }
1391         if (specialvisibilityradius)
1392         {
1393                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1394                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1395                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1396                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1397                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1398                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1399         }
1400
1401         // calculate center of bbox for network prioritization purposes
1402         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1403
1404         // if culling box has moved, update pvs cluster links
1405         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1406         {
1407                 VectorCopy(cullmins, ent->priv.server->cullmins);
1408                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1409                 // a value of -1 for pvs_numclusters indicates that the links are not
1410                 // cached, and should be re-tested each time, this is the case if the
1411                 // culling box touches too many pvs clusters to store, or if the world
1412                 // model does not support FindBoxClusters
1413                 ent->priv.server->pvs_numclusters = -1;
1414                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1415                 {
1416                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1417                         if (i <= MAX_ENTITYCLUSTERS)
1418                                 ent->priv.server->pvs_numclusters = i;
1419                 }
1420         }
1421
1422         // we need to do some csqc entity upkeep here
1423         // get self.SendFlags and clear them
1424         // (to let the QC know that they've been read)
1425         if (sendentity)
1426         {
1427                 sendflags = (unsigned int)PRVM_serveredictfloat(ent, SendFlags);
1428                 PRVM_serveredictfloat(ent, SendFlags) = 0;
1429                 // legacy self.Version system
1430                 if ((version = (unsigned int)PRVM_serveredictfloat(ent, Version)))
1431                 {
1432                         if (sv.csqcentityversion[enumber] != version)
1433                                 sendflags = 0xFFFFFF;
1434                         sv.csqcentityversion[enumber] = version;
1435                 }
1436                 // move sendflags into the per-client sendflags
1437                 if (sendflags)
1438                         for (i = 0;i < svs.maxclients;i++)
1439                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1440                 // mark it as inactive for non-csqc networking
1441                 cs->active = ACTIVE_SHARED;
1442         }
1443
1444         return true;
1445 }
1446
1447 void SV_PrepareEntitiesForSending(void)
1448 {
1449         int e;
1450         prvm_edict_t *ent;
1451         // send all entities that touch the pvs
1452         sv.numsendentities = 0;
1453         sv.sendentitiesindex[0] = NULL;
1454         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1455         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1456         {
1457                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1458                 {
1459                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1460                         sv.numsendentities++;
1461                 }
1462         }
1463 }
1464
1465 #define MAX_LINEOFSIGHTTRACES 64
1466
1467 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1468 {
1469         float pitchsign;
1470         float alpha;
1471         float starttransformed[3], endtransformed[3];
1472         int blocked = 0;
1473         int traceindex;
1474         int originalnumtouchedicts;
1475         int numtouchedicts = 0;
1476         int touchindex;
1477         matrix4x4_t matrix, imatrix;
1478         dp_model_t *model;
1479         prvm_edict_t *touch;
1480         static prvm_edict_t *touchedicts[MAX_EDICTS];
1481         vec3_t boxmins, boxmaxs;
1482         vec3_t clipboxmins, clipboxmaxs;
1483         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1484
1485         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1486
1487         // expand the box a little
1488         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1489         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1490         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1491         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1492         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1493         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1494
1495         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1496         for (traceindex = 1;traceindex < numtraces;traceindex++)
1497                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1498
1499         // calculate sweep box for the entire swarm of traces
1500         VectorCopy(eye, clipboxmins);
1501         VectorCopy(eye, clipboxmaxs);
1502         for (traceindex = 0;traceindex < numtraces;traceindex++)
1503         {
1504                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1505                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1506                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1507                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1508                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1509                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1510         }
1511
1512         // get the list of entities in the sweep box
1513         if (sv_cullentities_trace_entityocclusion.integer)
1514                 numtouchedicts = World_EntitiesInBox(&sv.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1515         if (numtouchedicts > MAX_EDICTS)
1516         {
1517                 // this never happens
1518                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1519                 numtouchedicts = MAX_EDICTS;
1520         }
1521         // iterate the entities found in the sweep box and filter them
1522         originalnumtouchedicts = numtouchedicts;
1523         numtouchedicts = 0;
1524         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1525         {
1526                 touch = touchedicts[touchindex];
1527                 if (PRVM_serveredictfloat(touch, solid) != SOLID_BSP)
1528                         continue;
1529                 model = SV_GetModelFromEdict(touch);
1530                 if (!model || !model->brush.TraceLineOfSight)
1531                         continue;
1532                 // skip obviously transparent entities
1533                 alpha = PRVM_serveredictfloat(touch, alpha);
1534                 if (alpha && alpha < 1)
1535                         continue;
1536                 if ((int)PRVM_serveredictfloat(touch, effects) & EF_ADDITIVE)
1537                         continue;
1538                 touchedicts[numtouchedicts++] = touch;
1539         }
1540
1541         // now that we have a filtered list of "interesting" entities, fire each
1542         // ray against all of them, this gives us an early-out case when something
1543         // is visible (which it often is)
1544
1545         for (traceindex = 0;traceindex < numtraces;traceindex++)
1546         {
1547                 // check world occlusion
1548                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1549                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1550                                 continue;
1551                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1552                 {
1553                         touch = touchedicts[touchindex];
1554                         model = SV_GetModelFromEdict(touch);
1555                         if(model && model->brush.TraceLineOfSight)
1556                         {
1557                                 // get the entity matrix
1558                                 pitchsign = SV_GetPitchSign(touch);
1559                                 Matrix4x4_CreateFromQuakeEntity(&matrix, PRVM_serveredictvector(touch, origin)[0], PRVM_serveredictvector(touch, origin)[1], PRVM_serveredictvector(touch, origin)[2], pitchsign * PRVM_serveredictvector(touch, angles)[0], PRVM_serveredictvector(touch, angles)[1], PRVM_serveredictvector(touch, angles)[2], 1);
1560                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1561                                 // see if the ray hits this entity
1562                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1563                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1564                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1565                                 {
1566                                         blocked++;
1567                                         break;
1568                                 }
1569                         }
1570                 }
1571                 // check if the ray was blocked
1572                 if (touchindex < numtouchedicts)
1573                         continue;
1574                 // return if the ray was not blocked
1575                 return true;
1576         }
1577
1578         // no rays survived
1579         return false;
1580 }
1581
1582 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1583 {
1584         int isbmodel;
1585         dp_model_t *model;
1586         prvm_edict_t *ed;
1587         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1588                 return;
1589         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1590         sv.writeentitiestoclient_stats_totalentities++;
1591
1592         if (s->customizeentityforclient)
1593         {
1594                 PRVM_serverglobaledict(self) = s->number;
1595                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1596                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1597                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1598                         return;
1599         }
1600
1601         // never reject player
1602         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1603         {
1604                 // check various rejection conditions
1605                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1606                         return;
1607                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1608                         return;
1609                 if (s->effects & EF_NODRAW)
1610                         return;
1611                 // LordHavoc: only send entities with a model or important effects
1612                 if (!s->modelindex && s->specialvisibilityradius == 0)
1613                         return;
1614
1615                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1616                 // viewmodels don't have visibility checking
1617                 if (s->viewmodelforclient)
1618                 {
1619                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1620                                 return;
1621                 }
1622                 else if (s->tagentity)
1623                 {
1624                         // tag attached entities simply check their parent
1625                         if (!sv.sendentitiesindex[s->tagentity])
1626                                 return;
1627                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1628                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1629                                 return;
1630                 }
1631                 // always send world submodels in newer protocols because they don't
1632                 // generate much traffic (in old protocols they hog bandwidth)
1633                 // but only if sv_cullentities_nevercullbmodels is off
1634                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1635                 {
1636                         // entity has survived every check so far, check if visible
1637                         ed = PRVM_EDICT_NUM(s->number);
1638
1639                         // if not touching a visible leaf
1640                         if (sv_cullentities_pvs.integer && !r_novis.integer && !r_trippy.integer && sv.writeentitiestoclient_pvsbytes)
1641                         {
1642                                 if (ed->priv.server->pvs_numclusters < 0)
1643                                 {
1644                                         // entity too big for clusters list
1645                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1646                                         {
1647                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1648                                                 return;
1649                                         }
1650                                 }
1651                                 else
1652                                 {
1653                                         int i;
1654                                         // check cached clusters list
1655                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1656                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1657                                                         break;
1658                                         if (i == ed->priv.server->pvs_numclusters)
1659                                         {
1660                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1661                                                 return;
1662                                         }
1663                                 }
1664                         }
1665
1666                         // or not seen by random tracelines
1667                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight && !r_trippy.integer)
1668                         {
1669                                 int samples =
1670                                         s->number <= svs.maxclients
1671                                                 ? sv_cullentities_trace_samples_players.integer
1672                                                 :
1673                                         s->specialvisibilityradius
1674                                                 ? sv_cullentities_trace_samples_extra.integer
1675                                                 : sv_cullentities_trace_samples.integer;
1676                                 float enlarge = sv_cullentities_trace_enlarge.value;
1677
1678                                 if(samples > 0)
1679                                 {
1680                                         int eyeindex;
1681                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1682                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1683                                                         break;
1684                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1685                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1686                                                         realtime + (
1687                                                                 s->number <= svs.maxclients
1688                                                                         ? sv_cullentities_trace_delay_players.value
1689                                                                         : sv_cullentities_trace_delay.value
1690                                                         );
1691                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1692                                         {
1693                                                 sv.writeentitiestoclient_stats_culled_trace++;
1694                                                 return;
1695                                         }
1696                                 }
1697                         }
1698                 }
1699         }
1700
1701         // this just marks it for sending
1702         // FIXME: it would be more efficient to send here, but the entity
1703         // compressor isn't that flexible
1704         sv.writeentitiestoclient_stats_visibleentities++;
1705         sv.sententities[s->number] = sv.sententitiesmark;
1706 }
1707
1708 #if MAX_LEVELNETWORKEYES > 0
1709 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1710 void SV_AddCameraEyes(void)
1711 {
1712         int e, i, j, k;
1713         prvm_edict_t *ed;
1714         static int cameras[MAX_LEVELNETWORKEYES];
1715         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1716         static int eye_levels[MAX_CLIENTNETWORKEYES];
1717         int n_cameras = 0;
1718         vec3_t mi, ma;
1719
1720         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1721                 eye_levels[i] = 0;
1722
1723         // check line of sight to portal entities and add them to PVS
1724         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1725         {
1726                 if (!ed->priv.server->free)
1727                 {
1728                         if(PRVM_serveredictfunction(ed, camera_transform))
1729                         {
1730                                 PRVM_serverglobaledict(self) = e;
1731                                 PRVM_serverglobaledict(other) = sv.writeentitiestoclient_cliententitynumber;
1732                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_serverglobalvector(trace_endpos));
1733                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1734                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1735                                 PRVM_ExecuteProgram(PRVM_serveredictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1736                                 if(!VectorCompare(PRVM_serverglobalvector(trace_endpos), sv.writeentitiestoclient_eyes[0]))
1737                                 {
1738                                         VectorCopy(PRVM_serverglobalvector(trace_endpos), camera_origins[n_cameras]);
1739                                         cameras[n_cameras] = e;
1740                                         ++n_cameras;
1741                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1742                                                 break;
1743                                 }
1744                         }
1745                 }
1746         }
1747
1748         if(!n_cameras)
1749                 return;
1750
1751         // i is loop counter, is reset to 0 when an eye got added
1752         // j is camera index to check
1753         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1754         {
1755                 if(!cameras[j])
1756                         continue;
1757                 ed = PRVM_EDICT_NUM(cameras[j]);
1758                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, mins), mi);
1759                 VectorAdd(PRVM_serveredictvector(ed, origin), PRVM_serveredictvector(ed, maxs), ma);
1760                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1761                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1762                 {
1763                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1764                         {
1765                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1766                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1767                                 // Con_Printf("added eye %d: %f %f %f because we can see %f %f %f .. %f %f %f from eye %d\n", j, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes][0], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes][1], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes][2], mi[0], mi[1], mi[2], ma[0], ma[1], ma[2], k);
1768                                 sv.writeentitiestoclient_numeyes++;
1769                                 cameras[j] = 0;
1770                                 i = 0;
1771                                 break;
1772                         }
1773                 }
1774         }
1775 }
1776 #else
1777 void SV_AddCameraEyes(void)
1778 {
1779 }
1780 #endif
1781
1782 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1783 {
1784         qboolean need_empty = false;
1785         int i, numsendstates, numcsqcsendstates;
1786         entity_state_t *s;
1787         prvm_edict_t *camera;
1788         qboolean success;
1789         vec3_t eye;
1790
1791         // if there isn't enough space to accomplish anything, skip it
1792         if (msg->cursize + 25 > maxsize)
1793                 return;
1794
1795         sv.writeentitiestoclient_msg = msg;
1796         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1797
1798         sv.writeentitiestoclient_stats_culled_pvs = 0;
1799         sv.writeentitiestoclient_stats_culled_trace = 0;
1800         sv.writeentitiestoclient_stats_visibleentities = 0;
1801         sv.writeentitiestoclient_stats_totalentities = 0;
1802         sv.writeentitiestoclient_numeyes = 0;
1803
1804         // get eye location
1805         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1806         camera = PRVM_EDICT_NUM( client->clientcamera );
1807         VectorAdd(PRVM_serveredictvector(camera, origin), PRVM_serveredictvector(clent, view_ofs), eye);
1808         sv.writeentitiestoclient_pvsbytes = 0;
1809         // get the PVS values for the eye location, later FatPVS calls will merge
1810         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1811                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1812
1813         // add the eye to a list for SV_CanSeeBox tests
1814         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1815         sv.writeentitiestoclient_numeyes++;
1816
1817         // calculate predicted eye origin for SV_CanSeeBox tests
1818         if (sv_cullentities_trace_prediction.integer)
1819         {
1820                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1821                 vec3_t predeye;
1822                 VectorMA(eye, predtime, PRVM_serveredictvector(camera, velocity), predeye);
1823                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1824                 {
1825                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1826                         sv.writeentitiestoclient_numeyes++;
1827                 }
1828                 //if (!sv.writeentitiestoclient_useprediction)
1829                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1830         }
1831
1832         SV_AddCameraEyes();
1833
1834         // build PVS from the new eyes
1835         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1836                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1837                         sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv.writeentitiestoclient_eyes[i], 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1838
1839         sv.sententitiesmark++;
1840
1841         for (i = 0;i < sv.numsendentities;i++)
1842                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1843
1844         numsendstates = 0;
1845         numcsqcsendstates = 0;
1846         for (i = 0;i < sv.numsendentities;i++)
1847         {
1848                 s = &sv.sendentities[i];
1849                 if (sv.sententities[s->number] == sv.sententitiesmark)
1850                 {
1851                         if(s->active == ACTIVE_NETWORK)
1852                         {
1853                                 if (s->exteriormodelforclient)
1854                                 {
1855                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1856                                                 s->flags |= RENDER_EXTERIORMODEL;
1857                                         else
1858                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1859                                 }
1860                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1861                         }
1862                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1863                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1864                         else
1865                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1866                 }
1867         }
1868
1869         if (sv_cullentities_stats.integer)
1870                 Con_Printf("client \"%s\" entities: %d total, %d visible, %d culled by: %d pvs %d trace\n", client->name, sv.writeentitiestoclient_stats_totalentities, sv.writeentitiestoclient_stats_visibleentities, sv.writeentitiestoclient_stats_culled_pvs + sv.writeentitiestoclient_stats_culled_trace, sv.writeentitiestoclient_stats_culled_pvs, sv.writeentitiestoclient_stats_culled_trace);
1871
1872         if(client->entitydatabase5)
1873                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1874         else
1875                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1876
1877         if(client->num_skippedentityframes >= 10)
1878                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1879
1880         if (client->entitydatabase5)
1881                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1882         else if (client->entitydatabase4)
1883         {
1884                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1885                 Protocol_WriteStatsReliable();
1886         }
1887         else if (client->entitydatabase)
1888         {
1889                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1890                 Protocol_WriteStatsReliable();
1891         }
1892         else
1893         {
1894                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1895                 Protocol_WriteStatsReliable();
1896         }
1897
1898         if(success)
1899                 client->num_skippedentityframes = 0;
1900         else
1901                 ++client->num_skippedentityframes;
1902 }
1903
1904 /*
1905 =============
1906 SV_CleanupEnts
1907
1908 =============
1909 */
1910 static void SV_CleanupEnts (void)
1911 {
1912         int             e;
1913         prvm_edict_t    *ent;
1914
1915         ent = PRVM_NEXT_EDICT(prog->edicts);
1916         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1917                 PRVM_serveredictfloat(ent, effects) = (int)PRVM_serveredictfloat(ent, effects) & ~EF_MUZZLEFLASH;
1918 }
1919
1920 /*
1921 ==================
1922 SV_WriteClientdataToMessage
1923
1924 ==================
1925 */
1926 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1927 {
1928         int             bits;
1929         int             i;
1930         prvm_edict_t    *other;
1931         int             items;
1932         vec3_t  punchvector;
1933         int             viewzoom;
1934         const char *s;
1935         float   *statsf = (float *)stats;
1936         float gravity;
1937
1938 //
1939 // send a damage message
1940 //
1941         if (PRVM_serveredictfloat(ent, dmg_take) || PRVM_serveredictfloat(ent, dmg_save))
1942         {
1943                 other = PRVM_PROG_TO_EDICT(PRVM_serveredictedict(ent, dmg_inflictor));
1944                 MSG_WriteByte (msg, svc_damage);
1945                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_save));
1946                 MSG_WriteByte (msg, (int)PRVM_serveredictfloat(ent, dmg_take));
1947                 for (i=0 ; i<3 ; i++)
1948                         MSG_WriteCoord (msg, PRVM_serveredictvector(other, origin)[i] + 0.5*(PRVM_serveredictvector(other, mins)[i] + PRVM_serveredictvector(other, maxs)[i]), sv.protocol);
1949
1950                 PRVM_serveredictfloat(ent, dmg_take) = 0;
1951                 PRVM_serveredictfloat(ent, dmg_save) = 0;
1952         }
1953
1954 //
1955 // send the current viewpos offset from the view entity
1956 //
1957         SV_SetIdealPitch ();            // how much to look up / down ideally
1958
1959 // a fixangle might get lost in a dropped packet.  Oh well.
1960         if(PRVM_serveredictfloat(ent, fixangle))
1961         {
1962                 // angle fixing was requested by global thinking code...
1963                 // so store the current angles for later use
1964                 memcpy(host_client->fixangle_angles, PRVM_serveredictvector(ent, angles), sizeof(host_client->fixangle_angles));
1965                 host_client->fixangle_angles_set = TRUE;
1966
1967                 // and clear fixangle for the next frame
1968                 PRVM_serveredictfloat(ent, fixangle) = 0;
1969         }
1970
1971         if (host_client->fixangle_angles_set)
1972         {
1973                 MSG_WriteByte (msg, svc_setangle);
1974                 for (i=0 ; i < 3 ; i++)
1975                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1976                 host_client->fixangle_angles_set = FALSE;
1977         }
1978
1979         // stuff the sigil bits into the high bits of items for sbar, or else
1980         // mix in items2
1981         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1982                 items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serveredictfloat(ent, items2) << 23);
1983         else
1984                 items = (int)PRVM_serveredictfloat(ent, items) | ((int)PRVM_serverglobalfloat(serverflags) << 28);
1985
1986         VectorCopy(PRVM_serveredictvector(ent, punchvector), punchvector);
1987
1988         // cache weapon model name and index in client struct to save time
1989         // (this search can be almost 1% of cpu time!)
1990         s = PRVM_GetString(PRVM_serveredictstring(ent, weaponmodel));
1991         if (strcmp(s, client->weaponmodel))
1992         {
1993                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1994                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1995         }
1996
1997         viewzoom = (int)(PRVM_serveredictfloat(ent, viewzoom) * 255.0f);
1998         if (viewzoom == 0)
1999                 viewzoom = 255;
2000
2001         bits = 0;
2002
2003         if ((int)PRVM_serveredictfloat(ent, flags) & FL_ONGROUND)
2004                 bits |= SU_ONGROUND;
2005         if (PRVM_serveredictfloat(ent, waterlevel) >= 2)
2006                 bits |= SU_INWATER;
2007         if (PRVM_serveredictfloat(ent, idealpitch))
2008                 bits |= SU_IDEALPITCH;
2009
2010         for (i=0 ; i<3 ; i++)
2011         {
2012                 if (PRVM_serveredictvector(ent, punchangle)[i])
2013                         bits |= (SU_PUNCH1<<i);
2014                 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)
2015                         if (punchvector[i])
2016                                 bits |= (SU_PUNCHVEC1<<i);
2017                 if (PRVM_serveredictvector(ent, velocity)[i])
2018                         bits |= (SU_VELOCITY1<<i);
2019         }
2020
2021         gravity = PRVM_serveredictfloat(ent, gravity);if (!gravity) gravity = 1.0f;
2022
2023         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
2024         stats[STAT_VIEWHEIGHT] = (int)PRVM_serveredictvector(ent, view_ofs)[2];
2025         stats[STAT_ITEMS] = items;
2026         stats[STAT_WEAPONFRAME] = (int)PRVM_serveredictfloat(ent, weaponframe);
2027         stats[STAT_ARMOR] = (int)PRVM_serveredictfloat(ent, armorvalue);
2028         stats[STAT_WEAPON] = client->weaponmodelindex;
2029         stats[STAT_HEALTH] = (int)PRVM_serveredictfloat(ent, health);
2030         stats[STAT_AMMO] = (int)PRVM_serveredictfloat(ent, currentammo);
2031         stats[STAT_SHELLS] = (int)PRVM_serveredictfloat(ent, ammo_shells);
2032         stats[STAT_NAILS] = (int)PRVM_serveredictfloat(ent, ammo_nails);
2033         stats[STAT_ROCKETS] = (int)PRVM_serveredictfloat(ent, ammo_rockets);
2034         stats[STAT_CELLS] = (int)PRVM_serveredictfloat(ent, ammo_cells);
2035         stats[STAT_ACTIVEWEAPON] = (int)PRVM_serveredictfloat(ent, weapon);
2036         stats[STAT_VIEWZOOM] = viewzoom;
2037         stats[STAT_TOTALSECRETS] = (int)PRVM_serverglobalfloat(total_secrets);
2038         stats[STAT_TOTALMONSTERS] = (int)PRVM_serverglobalfloat(total_monsters);
2039         // the QC bumps these itself by sending svc_'s, so we have to keep them
2040         // zero or they'll be corrected by the engine
2041         //stats[STAT_SECRETS] = PRVM_serverglobalfloat(found_secrets);
2042         //stats[STAT_MONSTERS] = PRVM_serverglobalfloat(killed_monsters);
2043
2044         // movement settings for prediction
2045         // note: these are not sent in protocols with lower MAX_CL_STATS limits
2046         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
2047                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
2048                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
2049                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
2050         ;
2051         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
2052         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
2053         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
2054         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
2055         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
2056         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
2057         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
2058         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
2059         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
2060         statsf[STAT_MOVEVARS_ENTGRAVITY] = gravity;
2061         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
2062         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
2063         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
2064         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
2065         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
2066         statsf[STAT_MOVEVARS_AIRACCEL_QW_STRETCHFACTOR] = sv_airaccel_qw_stretchfactor.value;
2067         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
2068         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
2069         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
2070         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
2071         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
2072         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
2073         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
2074         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
2075         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
2076         statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
2077         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
2078         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
2079         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2080         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2081         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2082         statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2083         statsf[STAT_FRAGLIMIT] = fraglimit.value;
2084         statsf[STAT_TIMELIMIT] = timelimit.value;
2085
2086         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2087         {
2088                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2089                 bits |= SU_ITEMS;
2090                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2091                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2092                 bits |= SU_WEAPON;
2093                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2094                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2095                         if (viewzoom != 255)
2096                                 bits |= SU_VIEWZOOM;
2097         }
2098
2099         if (bits >= 65536)
2100                 bits |= SU_EXTEND1;
2101         if (bits >= 16777216)
2102                 bits |= SU_EXTEND2;
2103
2104         // send the data
2105         MSG_WriteByte (msg, svc_clientdata);
2106         MSG_WriteShort (msg, bits);
2107         if (bits & SU_EXTEND1)
2108                 MSG_WriteByte(msg, bits >> 16);
2109         if (bits & SU_EXTEND2)
2110                 MSG_WriteByte(msg, bits >> 24);
2111
2112         if (bits & SU_VIEWHEIGHT)
2113                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2114
2115         if (bits & SU_IDEALPITCH)
2116                 MSG_WriteChar (msg, (int)PRVM_serveredictfloat(ent, idealpitch));
2117
2118         for (i=0 ; i<3 ; i++)
2119         {
2120                 if (bits & (SU_PUNCH1<<i))
2121                 {
2122                         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)
2123                                 MSG_WriteChar(msg, (int)PRVM_serveredictvector(ent, punchangle)[i]);
2124                         else
2125                                 MSG_WriteAngle16i(msg, PRVM_serveredictvector(ent, punchangle)[i]);
2126                 }
2127                 if (bits & (SU_PUNCHVEC1<<i))
2128                 {
2129                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2130                                 MSG_WriteCoord16i(msg, punchvector[i]);
2131                         else
2132                                 MSG_WriteCoord32f(msg, punchvector[i]);
2133                 }
2134                 if (bits & (SU_VELOCITY1<<i))
2135                 {
2136                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2137                                 MSG_WriteChar(msg, (int)(PRVM_serveredictvector(ent, velocity)[i] * (1.0f / 16.0f)));
2138                         else
2139                                 MSG_WriteCoord32f(msg, PRVM_serveredictvector(ent, velocity)[i]);
2140                 }
2141         }
2142
2143         if (bits & SU_ITEMS)
2144                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2145
2146         if (sv.protocol == PROTOCOL_DARKPLACES5)
2147         {
2148                 if (bits & SU_WEAPONFRAME)
2149                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2150                 if (bits & SU_ARMOR)
2151                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2152                 if (bits & SU_WEAPON)
2153                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2154                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2155                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2156                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2157                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2158                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2159                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2160                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2161                 if (bits & SU_VIEWZOOM)
2162                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2163         }
2164         else if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2165         {
2166                 if (bits & SU_WEAPONFRAME)
2167                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2168                 if (bits & SU_ARMOR)
2169                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2170                 if (bits & SU_WEAPON)
2171                 {
2172                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2173                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2174                         else
2175                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2176                 }
2177                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2178                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2179                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2180                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2181                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2182                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2183                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
2184                 {
2185                         for (i = 0;i < 32;i++)
2186                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2187                                         break;
2188                         MSG_WriteByte (msg, i);
2189                 }
2190                 else
2191                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2192                 if (bits & SU_VIEWZOOM)
2193                 {
2194                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2195                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2196                         else
2197                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2198                 }
2199         }
2200 }
2201
2202 void SV_FlushBroadcastMessages(void)
2203 {
2204         int i;
2205         client_t *client;
2206         if (sv.datagram.cursize <= 0)
2207                 return;
2208         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2209         {
2210                 if (!client->spawned || !client->netconnection || client->unreliablemsg.cursize + sv.datagram.cursize > client->unreliablemsg.maxsize || client->unreliablemsg_splitpoints >= (int)(sizeof(client->unreliablemsg_splitpoint)/sizeof(client->unreliablemsg_splitpoint[0])))
2211                         continue;
2212                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2213                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2214         }
2215         SZ_Clear(&sv.datagram);
2216 }
2217
2218 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2219 {
2220         // scan the splitpoints to find out how many we can fit in
2221         int numsegments, j, split;
2222         if (!client->unreliablemsg_splitpoints)
2223                 return;
2224         // always accept the first one if it's within 1024 bytes, this ensures
2225         // that very big datagrams which are over the rate limit still get
2226         // through, just to keep it working
2227         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2228                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2229                         break;
2230         // the first segment gets an exemption from the rate limiting, otherwise
2231         // it could get dropped consistently due to a low rate limit
2232         if (numsegments == 1)
2233                 maxsize = maxsize2;
2234         // some will fit, so add the ones that will fit
2235         split = client->unreliablemsg_splitpoint[numsegments-1];
2236         // note this discards ones that were accepted by the segments scan but
2237         // can not fit, such as a really huge first one that will never ever
2238         // fit in a packet...
2239         if (msg->cursize + split <= maxsize)
2240                 SZ_Write(msg, client->unreliablemsg.data, split);
2241         // remove the part we sent, keeping any remaining data
2242         client->unreliablemsg.cursize -= split;
2243         if (client->unreliablemsg.cursize > 0)
2244                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2245         // adjust remaining splitpoints
2246         client->unreliablemsg_splitpoints -= numsegments;
2247         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2248                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2249 }
2250
2251 /*
2252 =======================
2253 SV_SendClientDatagram
2254 =======================
2255 */
2256 static void SV_SendClientDatagram (client_t *client)
2257 {
2258         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2259         sizebuf_t msg;
2260         int stats[MAX_CL_STATS];
2261         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2262
2263         // obey rate limit by limiting packet frequency if the packet size
2264         // limiting fails
2265         // (usually this is caused by reliable messages)
2266         if (!NetConn_CanSend(client->netconnection))
2267                 return;
2268
2269         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2270         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2271         if (sv_maxrate.integer != maxrate)
2272                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2273
2274         // clientrate determines the 'cleartime' of a packet
2275         // (how long to wait before sending another, based on this packet's size)
2276         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2277
2278         switch (sv.protocol)
2279         {
2280         case PROTOCOL_QUAKE:
2281         case PROTOCOL_QUAKEDP:
2282         case PROTOCOL_NEHAHRAMOVIE:
2283         case PROTOCOL_NEHAHRABJP:
2284         case PROTOCOL_NEHAHRABJP2:
2285         case PROTOCOL_NEHAHRABJP3:
2286         case PROTOCOL_QUAKEWORLD:
2287                 // no packet size limit support on Quake protocols because it just
2288                 // causes missing entities/effects
2289                 // packets are simply sent less often to obey the rate limit
2290                 maxsize = 1024;
2291                 maxsize2 = 1024;
2292                 break;
2293         case PROTOCOL_DARKPLACES1:
2294         case PROTOCOL_DARKPLACES2:
2295         case PROTOCOL_DARKPLACES3:
2296         case PROTOCOL_DARKPLACES4:
2297                 // no packet size limit support on DP1-4 protocols because they kick
2298                 // the client off if they overflow, and miss effects
2299                 // packets are simply sent less often to obey the rate limit
2300                 maxsize = sizeof(sv_sendclientdatagram_buf);
2301                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2302                 break;
2303         default:
2304                 // DP5 and later protocols support packet size limiting which is a
2305                 // better method than limiting packet frequency as QW does
2306                 //
2307                 // at very low rates (or very small sys_ticrate) the packet size is
2308                 // not reduced below 128, but packets may be sent less often
2309                 maxsize = (int)(clientrate * sys_ticrate.value);
2310                 maxsize = bound(128, maxsize, 1400);
2311                 maxsize2 = 1400;
2312                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2313                 // mods that use csqc (they are likely to use less bandwidth anyway)
2314                 if (sv.csqc_progsize > 0)
2315                         maxsize = maxsize2;
2316                 break;
2317         }
2318
2319         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2320         {
2321                 // for good singleplayer, send huge packets
2322                 maxsize = sizeof(sv_sendclientdatagram_buf);
2323                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2324                 // never limit frequency in singleplayer
2325                 clientrate = 1000000000;
2326         }
2327
2328         // while downloading, limit entity updates to half the packet
2329         // (any leftover space will be used for downloading)
2330         if (host_client->download_file)
2331                 maxsize /= 2;
2332
2333         msg.data = sv_sendclientdatagram_buf;
2334         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2335         msg.cursize = 0;
2336         msg.allowoverflow = false;
2337
2338         if (host_client->spawned)
2339         {
2340                 // the player is in the game
2341                 MSG_WriteByte (&msg, svc_time);
2342                 MSG_WriteFloat (&msg, sv.time);
2343
2344                 // add the client specific data to the datagram
2345                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2346                 // now update the stats[] array using any registered custom fields
2347                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2348                 // set host_client->statsdeltabits
2349                 Protocol_UpdateClientStats (stats);
2350
2351                 // add as many queued unreliable messages (effects) as we can fit
2352                 // limit effects to half of the remaining space
2353                 if (client->unreliablemsg.cursize)
2354                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2355
2356                 // now write as many entities as we can fit, and also sends stats
2357                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2358         }
2359         else if (realtime > client->keepalivetime)
2360         {
2361                 // the player isn't totally in the game yet
2362                 // send small keepalive messages if too much time has passed
2363                 // (may also be sending downloads)
2364                 client->keepalivetime = realtime + 5;
2365                 MSG_WriteChar (&msg, svc_nop);
2366         }
2367
2368         // if a download is active, see if there is room to fit some download data
2369         // in this packet
2370         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2371         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2372         {
2373                 fs_offset_t downloadstart;
2374                 unsigned char data[1400];
2375                 downloadstart = FS_Tell(host_client->download_file);
2376                 downloadsize = min(downloadsize, (int)sizeof(data));
2377                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2378                 // note this sends empty messages if at the end of the file, which is
2379                 // necessary to keep the packet loss logic working
2380                 // (the last blocks may be lost and need to be re-sent, and that will
2381                 //  only occur if the client acks the empty end messages, revealing
2382                 //  a gap in the download progress, causing the last blocks to be
2383                 //  sent again)
2384                 MSG_WriteChar (&msg, svc_downloaddata);
2385                 MSG_WriteLong (&msg, downloadstart);
2386                 MSG_WriteShort (&msg, downloadsize);
2387                 if (downloadsize > 0)
2388                         SZ_Write (&msg, data, downloadsize);
2389         }
2390
2391         // reliable only if none is in progress
2392         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2393                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2394         // unreliable
2395         SV_WriteDemoMessage(client, &msg, false);
2396
2397 // send the datagram
2398         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2399         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2400                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2401 }
2402
2403 /*
2404 =======================
2405 SV_UpdateToReliableMessages
2406 =======================
2407 */
2408 static void SV_UpdateToReliableMessages (void)
2409 {
2410         int i, j;
2411         client_t *client;
2412         const char *name;
2413         const char *model;
2414         const char *skin;
2415         int clientcamera;
2416
2417 // check for changes to be sent over the reliable streams
2418         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2419         {
2420                 // update the host_client fields we care about according to the entity fields
2421                 host_client->edict = PRVM_EDICT_NUM(i+1);
2422
2423                 // DP_SV_CLIENTNAME
2424                 name = PRVM_GetString(PRVM_serveredictstring(host_client->edict, netname));
2425                 if (name == NULL)
2426                         name = "";
2427                 // always point the string back at host_client->name to keep it safe
2428                 strlcpy (host_client->name, name, sizeof (host_client->name));
2429                 PRVM_serveredictstring(host_client->edict, netname) = PRVM_SetEngineString(host_client->name);
2430                 if (strcmp(host_client->old_name, host_client->name))
2431                 {
2432                         if (host_client->spawned)
2433                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2434                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2435                         // send notification to all clients
2436                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2437                         MSG_WriteByte (&sv.reliable_datagram, i);
2438                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2439                         SV_WriteNetnameIntoDemo(host_client);
2440                 }
2441
2442                 // DP_SV_CLIENTCOLORS
2443                 host_client->colors = (int)PRVM_serveredictfloat(host_client->edict, clientcolors);
2444                 if (host_client->old_colors != host_client->colors)
2445                 {
2446                         host_client->old_colors = host_client->colors;
2447                         // send notification to all clients
2448                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2449                         MSG_WriteByte (&sv.reliable_datagram, i);
2450                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2451                 }
2452
2453                 // NEXUIZ_PLAYERMODEL
2454                 model = PRVM_GetString(PRVM_serveredictstring(host_client->edict, playermodel));
2455                 if (model == NULL)
2456                         model = "";
2457                 // always point the string back at host_client->name to keep it safe
2458                 strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2459                 PRVM_serveredictstring(host_client->edict, playermodel) = PRVM_SetEngineString(host_client->playermodel);
2460
2461                 // NEXUIZ_PLAYERSKIN
2462                 skin = PRVM_GetString(PRVM_serveredictstring(host_client->edict, playerskin));
2463                 if (skin == NULL)
2464                         skin = "";
2465                 // always point the string back at host_client->name to keep it safe
2466                 strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2467                 PRVM_serveredictstring(host_client->edict, playerskin) = PRVM_SetEngineString(host_client->playerskin);
2468
2469                 // TODO: add an extension name for this [1/17/2008 Black]
2470                 clientcamera = PRVM_serveredictedict(host_client->edict, clientcamera);
2471                 if (clientcamera > 0)
2472                 {
2473                         int oldclientcamera = host_client->clientcamera;
2474                         if (clientcamera >= prog->max_edicts || PRVM_EDICT_NUM(clientcamera)->priv.required->free)
2475                                 clientcamera = PRVM_NUM_FOR_EDICT(host_client->edict);
2476                         host_client->clientcamera = clientcamera;
2477
2478                         if (oldclientcamera != host_client->clientcamera)
2479                         {
2480                                 MSG_WriteByte(&host_client->netconnection->message, svc_setview);
2481                                 MSG_WriteShort(&host_client->netconnection->message, host_client->clientcamera);
2482                         }
2483                 }
2484
2485                 // frags
2486                 host_client->frags = (int)PRVM_serveredictfloat(host_client->edict, frags);
2487                 if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2488                         if(!host_client->spawned && host_client->netconnection)
2489                                 host_client->frags = -666;
2490                 if (host_client->old_frags != host_client->frags)
2491                 {
2492                         host_client->old_frags = host_client->frags;
2493                         // send notification to all clients
2494                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2495                         MSG_WriteByte (&sv.reliable_datagram, i);
2496                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2497                 }
2498         }
2499
2500         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2501                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2502                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2503
2504         SZ_Clear (&sv.reliable_datagram);
2505 }
2506
2507
2508 /*
2509 =======================
2510 SV_SendClientMessages
2511 =======================
2512 */
2513 void SV_SendClientMessages (void)
2514 {
2515         int i, prepared = false;
2516
2517         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2518                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2519
2520         SV_FlushBroadcastMessages();
2521
2522 // update frags, names, etc
2523         SV_UpdateToReliableMessages();
2524
2525 // build individual updates
2526         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2527         {
2528                 if (!host_client->active)
2529                         continue;
2530                 if (!host_client->netconnection)
2531                         continue;
2532
2533                 if (host_client->netconnection->message.overflowed)
2534                 {
2535                         SV_DropClient (true);   // if the message couldn't send, kick off
2536                         continue;
2537                 }
2538
2539                 if (!prepared)
2540                 {
2541                         prepared = true;
2542                         // only prepare entities once per frame
2543                         SV_PrepareEntitiesForSending();
2544                 }
2545                 SV_SendClientDatagram (host_client);
2546         }
2547
2548 // clear muzzle flashes
2549         SV_CleanupEnts();
2550 }
2551
2552 static void SV_StartDownload_f(void)
2553 {
2554         if (host_client->download_file)
2555                 host_client->download_started = true;
2556 }
2557
2558 /*
2559  * Compression extension negotiation:
2560  *
2561  * Server to client:
2562  *   cl_serverextension_download 2
2563  *
2564  * Client to server:
2565  *   download <filename> <list of zero or more suppported compressions in order of preference>
2566  * e.g.
2567  *   download maps/map1.bsp lzo deflate huffman
2568  *
2569  * Server to client:
2570  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2571  * e.g.
2572  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2573  *
2574  * The server may choose not to compress the file by sending no compression name, like:
2575  *   cl_downloadbegin 345678 maps/map1.bsp
2576  *
2577  * NOTE: the "download" command may only specify compression algorithms if
2578  *       cl_serverextension_download is 2!
2579  *       If cl_serverextension_download has a different value, the client must
2580  *       assume this extension is not supported!
2581  */
2582
2583 static void Download_CheckExtensions(void)
2584 {
2585         int i;
2586         int argc = Cmd_Argc();
2587
2588         // first reset them all
2589         host_client->download_deflate = false;
2590
2591         for(i = 2; i < argc; ++i)
2592         {
2593                 if(!strcmp(Cmd_Argv(i), "deflate"))
2594                 {
2595                         host_client->download_deflate = true;
2596                         break;
2597                 }
2598         }
2599 }
2600
2601 static void SV_Download_f(void)
2602 {
2603         const char *whichpack, *whichpack2, *extension;
2604         qboolean is_csqc; // so we need to check only once
2605
2606         if (Cmd_Argc() < 2)
2607         {
2608                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2609                 SV_ClientPrintf("       supported extensions: deflate\n");
2610                 return;
2611         }
2612
2613         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2614         {
2615                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2616                 return;
2617         }
2618
2619         if (host_client->download_file)
2620         {
2621                 // at this point we'll assume the previous download should be aborted
2622                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2623                 Host_ClientCommands("\nstopdownload\n");
2624
2625                 // close the file and reset variables
2626                 FS_Close(host_client->download_file);
2627                 host_client->download_file = NULL;
2628                 host_client->download_name[0] = 0;
2629                 host_client->download_expectedposition = 0;
2630                 host_client->download_started = false;
2631         }
2632
2633         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2634
2635         if (!sv_allowdownloads.integer && !is_csqc)
2636         {
2637                 SV_ClientPrintf("Downloads are disabled on this server\n");
2638                 Host_ClientCommands("\nstopdownload\n");
2639                 return;
2640         }
2641
2642         Download_CheckExtensions();
2643
2644         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2645         extension = FS_FileExtension(host_client->download_name);
2646
2647         // host_client is asking to download a specified file
2648         if (developer_extra.integer)
2649                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2650
2651         if(is_csqc)
2652         {
2653                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2654                 extensions[0] = '\0';
2655
2656                 if(host_client->download_deflate)
2657                         strlcat(extensions, " deflate", sizeof(extensions));
2658
2659                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2660
2661                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2662                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2663                 else
2664                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2665
2666                 // no, no space is needed between %s and %s :P
2667                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2668
2669                 host_client->download_expectedposition = 0;
2670                 host_client->download_started = false;
2671                 host_client->sendsignon = true; // make sure this message is sent
2672                 return;
2673         }
2674
2675         if (!FS_FileExists(host_client->download_name))
2676         {
2677                 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);
2678                 Host_ClientCommands("\nstopdownload\n");
2679                 return;
2680         }
2681
2682         // check if the user is trying to download part of registered Quake(r)
2683         whichpack = FS_WhichPack(host_client->download_name);
2684         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2685         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2686         {
2687                 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);
2688                 Host_ClientCommands("\nstopdownload\n");
2689                 return;
2690         }
2691
2692         // check if the server has forbidden archive downloads entirely
2693         if (!sv_allowdownloads_inarchive.integer)
2694         {
2695                 whichpack = FS_WhichPack(host_client->download_name);
2696                 if (whichpack)
2697                 {
2698                         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);
2699                         Host_ClientCommands("\nstopdownload\n");
2700                         return;
2701                 }
2702         }
2703
2704         if (!sv_allowdownloads_config.integer)
2705         {
2706                 if (!strcasecmp(extension, "cfg"))
2707                 {
2708                         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);
2709                         Host_ClientCommands("\nstopdownload\n");
2710                         return;
2711                 }
2712         }
2713
2714         if (!sv_allowdownloads_dlcache.integer)
2715         {
2716                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2717                 {
2718                         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);
2719                         Host_ClientCommands("\nstopdownload\n");
2720                         return;
2721                 }
2722         }
2723
2724         if (!sv_allowdownloads_archive.integer)
2725         {
2726                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2727                 {
2728                         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);
2729                         Host_ClientCommands("\nstopdownload\n");
2730                         return;
2731                 }
2732         }
2733
2734         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2735         if (!host_client->download_file)
2736         {
2737                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2738                 Host_ClientCommands("\nstopdownload\n");
2739                 return;
2740         }
2741
2742         if (FS_FileSize(host_client->download_file) > 1<<30)
2743         {
2744                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2745                 Host_ClientCommands("\nstopdownload\n");
2746                 FS_Close(host_client->download_file);
2747                 host_client->download_file = NULL;
2748                 return;
2749         }
2750
2751         if (FS_FileSize(host_client->download_file) < 0)
2752         {
2753                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2754                 Host_ClientCommands("\nstopdownload\n");
2755                 FS_Close(host_client->download_file);
2756                 host_client->download_file = NULL;
2757                 return;
2758         }
2759
2760         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2761
2762         /*
2763          * we can only do this if we would actually deflate on the fly
2764          * which we do not (yet)!
2765         {
2766                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2767                 extensions[0] = '\0';
2768
2769                 if(host_client->download_deflate)
2770                         strlcat(extensions, " deflate", sizeof(extensions));
2771
2772                 // no, no space is needed between %s and %s :P
2773                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2774         }
2775         */
2776         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2777
2778         host_client->download_expectedposition = 0;
2779         host_client->download_started = false;
2780         host_client->sendsignon = true; // make sure this message is sent
2781
2782         // the rest of the download process is handled in SV_SendClientDatagram
2783         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2784         //
2785         // no svc_downloaddata messages will be sent until sv_startdownload is
2786         // sent by the client
2787 }
2788
2789 /*
2790 ==============================================================================
2791
2792 SERVER SPAWNING
2793
2794 ==============================================================================
2795 */
2796
2797 /*
2798 ================
2799 SV_ModelIndex
2800
2801 ================
2802 */
2803 int SV_ModelIndex(const char *s, int precachemode)
2804 {
2805         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);
2806         char filename[MAX_QPATH];
2807         if (!s || !*s)
2808                 return 0;
2809         // testing
2810         //if (precachemode == 2)
2811         //      return 0;
2812         strlcpy(filename, s, sizeof(filename));
2813         for (i = 2;i < limit;i++)
2814         {
2815                 if (!sv.model_precache[i][0])
2816                 {
2817                         if (precachemode)
2818                         {
2819                                 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))
2820                                 {
2821                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2822                                         return 0;
2823                                 }
2824                                 if (precachemode == 1)
2825                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2826                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2827                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2828                                 if (sv.state != ss_loading)
2829                                 {
2830                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2831                                         MSG_WriteShort(&sv.reliable_datagram, i);
2832                                         MSG_WriteString(&sv.reliable_datagram, filename);
2833                                 }
2834                                 return i;
2835                         }
2836                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2837                         return 0;
2838                 }
2839                 if (!strcmp(sv.model_precache[i], filename))
2840                         return i;
2841         }
2842         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2843         return 0;
2844 }
2845
2846 /*
2847 ================
2848 SV_SoundIndex
2849
2850 ================
2851 */
2852 int SV_SoundIndex(const char *s, int precachemode)
2853 {
2854         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);
2855         char filename[MAX_QPATH];
2856         if (!s || !*s)
2857                 return 0;
2858         // testing
2859         //if (precachemode == 2)
2860         //      return 0;
2861         strlcpy(filename, s, sizeof(filename));
2862         for (i = 1;i < limit;i++)
2863         {
2864                 if (!sv.sound_precache[i][0])
2865                 {
2866                         if (precachemode)
2867                         {
2868                                 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))
2869                                 {
2870                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2871                                         return 0;
2872                                 }
2873                                 if (precachemode == 1)
2874                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2875                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2876                                 if (sv.state != ss_loading)
2877                                 {
2878                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2879                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2880                                         MSG_WriteString(&sv.reliable_datagram, filename);
2881                                 }
2882                                 return i;
2883                         }
2884                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2885                         return 0;
2886                 }
2887                 if (!strcmp(sv.sound_precache[i], filename))
2888                         return i;
2889         }
2890         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2891         return 0;
2892 }
2893
2894 /*
2895 ================
2896 SV_ParticleEffectIndex
2897
2898 ================
2899 */
2900 int SV_ParticleEffectIndex(const char *name)
2901 {
2902         int i, argc, linenumber, effectnameindex;
2903         int filepass;
2904         fs_offset_t filesize;
2905         unsigned char *filedata;
2906         const char *text;
2907         const char *textstart;
2908         //const char *textend;
2909         char argv[16][1024];
2910         char filename[MAX_QPATH];
2911         if (!sv.particleeffectnamesloaded)
2912         {
2913                 sv.particleeffectnamesloaded = true;
2914                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2915                 for (i = 0;i < EFFECT_TOTAL;i++)
2916                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2917                 for (filepass = 0;;filepass++)
2918                 {
2919                         if (filepass == 0)
2920                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2921                         else if (filepass == 1)
2922                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
2923                         else
2924                                 break;
2925                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2926                         if (!filedata)
2927                                 continue;
2928                         textstart = (const char *)filedata;
2929                         //textend = (const char *)filedata + filesize;
2930                         text = textstart;
2931                         for (linenumber = 1;;linenumber++)
2932                         {
2933                                 argc = 0;
2934                                 for (;;)
2935                                 {
2936                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2937                                                 break;
2938                                         if (argc < 16)
2939                                         {
2940                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2941                                                 argc++;
2942                                         }
2943                                 }
2944                                 if (com_token[0] == 0)
2945                                         break; // if the loop exited and it's not a \n, it's EOF
2946                                 if (argc < 1)
2947                                         continue;
2948                                 if (!strcmp(argv[0], "effect"))
2949                                 {
2950                                         if (argc == 2)
2951                                         {
2952                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2953                                                 {
2954                                                         if (sv.particleeffectname[effectnameindex][0])
2955                                                         {
2956                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2957                                                                         break;
2958                                                         }
2959                                                         else
2960                                                         {
2961                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2962                                                                 break;
2963                                                         }
2964                                                 }
2965                                                 // if we run out of names, abort
2966                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2967                                                 {
2968                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
2969                                                         break;
2970                                                 }
2971                                         }
2972                                 }
2973                         }
2974                         Mem_Free(filedata);
2975                 }
2976         }
2977         // search for the name
2978         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2979                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2980                         return effectnameindex;
2981         // return 0 if we couldn't find it
2982         return 0;
2983 }
2984
2985 dp_model_t *SV_GetModelByIndex(int modelindex)
2986 {
2987         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2988 }
2989
2990 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
2991 {
2992         int modelindex;
2993         if (!ed || ed->priv.server->free)
2994                 return NULL;
2995         modelindex = (int)PRVM_serveredictfloat(ed, modelindex);
2996         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2997 }
2998
2999 /*
3000 ================
3001 SV_CreateBaseline
3002
3003 ================
3004 */
3005 static void SV_CreateBaseline (void)
3006 {
3007         int i, entnum, large;
3008         prvm_edict_t *svent;
3009
3010         // LordHavoc: clear *all* states (note just active ones)
3011         for (entnum = 0;entnum < prog->max_edicts;entnum++)
3012         {
3013                 // get the current server version
3014                 svent = PRVM_EDICT_NUM(entnum);
3015
3016                 // LordHavoc: always clear state values, whether the entity is in use or not
3017                 svent->priv.server->baseline = defaultstate;
3018
3019                 if (svent->priv.server->free)
3020                         continue;
3021                 if (entnum > svs.maxclients && !PRVM_serveredictfloat(svent, modelindex))
3022                         continue;
3023
3024                 // create entity baseline
3025                 VectorCopy (PRVM_serveredictvector(svent, origin), svent->priv.server->baseline.origin);
3026                 VectorCopy (PRVM_serveredictvector(svent, angles), svent->priv.server->baseline.angles);
3027                 svent->priv.server->baseline.frame = (int)PRVM_serveredictfloat(svent, frame);
3028                 svent->priv.server->baseline.skin = (int)PRVM_serveredictfloat(svent, skin);
3029                 if (entnum > 0 && entnum <= svs.maxclients)
3030                 {
3031                         svent->priv.server->baseline.colormap = entnum;
3032                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
3033                 }
3034                 else
3035                 {
3036                         svent->priv.server->baseline.colormap = 0;
3037                         svent->priv.server->baseline.modelindex = (int)PRVM_serveredictfloat(svent, modelindex);
3038                 }
3039
3040                 large = false;
3041                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
3042                 {
3043                         large = true;
3044                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3045                                 large = false;
3046                 }
3047
3048                 // add to the message
3049                 if (large)
3050                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
3051                 else
3052                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
3053                 MSG_WriteShort (&sv.signon, entnum);
3054
3055                 if (large)
3056                 {
3057                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3058                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
3059                 }
3060                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3061                 {
3062                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3063                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3064                 }
3065                 else
3066                 {
3067                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
3068                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3069                 }
3070                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
3071                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
3072                 for (i=0 ; i<3 ; i++)
3073                 {
3074                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3075                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3076                 }
3077         }
3078 }
3079
3080 /*
3081 ================
3082 SV_Prepare_CSQC
3083
3084 Load csprogs.dat and comperss it so it doesn't need to be
3085 reloaded on request.
3086 ================
3087 */
3088 void SV_Prepare_CSQC(void)
3089 {
3090         fs_offset_t progsize;
3091
3092         if(svs.csqc_progdata)
3093         {
3094                 Con_DPrintf("Unloading old CSQC data.\n");
3095                 Mem_Free(svs.csqc_progdata);
3096                 if(svs.csqc_progdata_deflated)
3097                         Mem_Free(svs.csqc_progdata_deflated);
3098         }
3099
3100         svs.csqc_progdata = NULL;
3101         svs.csqc_progdata_deflated = NULL;
3102
3103         sv.csqc_progname[0] = 0;
3104         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3105
3106         if(progsize > 0)
3107         {
3108                 size_t deflated_size;
3109
3110                 sv.csqc_progsize = (int)progsize;
3111                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3112                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3113                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3114
3115                 Con_DPrint("Compressing csprogs.dat\n");
3116                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3117                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3118                 svs.csqc_progsize_deflated = (int)deflated_size;
3119                 if(svs.csqc_progdata_deflated)
3120                 {
3121                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3122                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3123                 }
3124                 else
3125                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3126         }
3127 }
3128
3129 /*
3130 ================
3131 SV_SaveSpawnparms
3132
3133 Grabs the current state of each client for saving across the
3134 transition to another level
3135 ================
3136 */
3137 void SV_SaveSpawnparms (void)
3138 {
3139         int             i, j;
3140
3141         svs.serverflags = (int)PRVM_serverglobalfloat(serverflags);
3142
3143         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3144         {
3145                 if (!host_client->active)
3146                         continue;
3147
3148         // call the progs to get default spawn parms for the new client
3149                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3150                 PRVM_ExecuteProgram (PRVM_serverfunction(SetChangeParms), "QC function SetChangeParms is missing");
3151                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3152                         host_client->spawn_parms[j] = (&PRVM_serverglobalfloat(parm1))[j];
3153         }
3154 }
3155
3156 /*
3157 ================
3158 SV_SpawnServer
3159
3160 This is called at the start of each level
3161 ================
3162 */
3163
3164 void SV_SpawnServer (const char *server)
3165 {
3166         prvm_edict_t *ent;
3167         int i;
3168         char *entities;
3169         dp_model_t *worldmodel;
3170         char modelname[sizeof(sv.worldname)];
3171
3172         Con_DPrintf("SpawnServer: %s\n", server);
3173
3174         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3175
3176         if (!FS_FileExists(modelname))
3177         {
3178                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3179                 if (!FS_FileExists(modelname))
3180                 {
3181                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3182                         return;
3183                 }
3184         }
3185
3186         if (cls.state != ca_dedicated)
3187         {
3188                 SCR_BeginLoadingPlaque();
3189                 S_StopAllSounds();
3190         }
3191
3192         if(sv.active)
3193         {
3194                 SV_VM_Begin();
3195                 World_End(&sv.world);
3196                 if(PRVM_serverfunction(SV_Shutdown))
3197                 {
3198                         func_t s = PRVM_serverfunction(SV_Shutdown);
3199                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3200                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
3201                 }
3202                 SV_VM_End();
3203         }
3204
3205         // free q3 shaders so that any newly downloaded shaders will be active
3206         Mod_FreeQ3Shaders();
3207
3208         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3209         if (!worldmodel || !worldmodel->TraceBox)
3210         {
3211                 Con_Printf("Couldn't load map %s\n", modelname);
3212                 return;
3213         }
3214
3215         Collision_Cache_Reset(true);
3216
3217         // let's not have any servers with no name
3218         if (hostname.string[0] == 0)
3219                 Cvar_Set ("hostname", "UNNAMED");
3220         scr_centertime_off = 0;
3221
3222         svs.changelevel_issued = false;         // now safe to issue another
3223
3224         // make the map a required file for clients
3225         Curl_ClearRequirements();
3226         Curl_RequireFile(modelname);
3227
3228 //
3229 // tell all connected clients that we are going to a new level
3230 //
3231         if (sv.active)
3232         {
3233                 client_t *client;
3234                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3235                 {
3236                         if (client->netconnection)
3237                         {
3238                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3239                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3240                         }
3241                 }
3242         }
3243         else
3244         {
3245                 // open server port
3246                 NetConn_OpenServerPorts(true);
3247         }
3248
3249 //
3250 // make cvars consistant
3251 //
3252         if (coop.integer)
3253                 Cvar_SetValue ("deathmatch", 0);
3254         // LordHavoc: it can be useful to have skills outside the range 0-3...
3255         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3256         //Cvar_SetValue ("skill", (float)current_skill);
3257         current_skill = (int)(skill.value + 0.5);
3258
3259 //
3260 // set up the new server
3261 //
3262         memset (&sv, 0, sizeof(sv));
3263         // if running a local client, make sure it doesn't try to access the last
3264         // level's data which is no longer valiud
3265         cls.signon = 0;
3266
3267         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3268
3269         if(*sv_random_seed.string)
3270         {
3271                 srand(sv_random_seed.integer);
3272                 Con_Printf("NOTE: random seed is %d; use for debugging/benchmarking only!\nUnset sv_random_seed to get real random numbers again.\n", sv_random_seed.integer);
3273         }
3274
3275         SV_VM_Setup();
3276
3277         sv.active = true;
3278
3279         // set level base name variables for later use
3280         strlcpy (sv.name, server, sizeof (sv.name));
3281         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3282         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3283         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3284         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3285         Cvar_SetQuick(&sv_worldname, sv.worldname);
3286         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3287         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3288
3289         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3290         if (sv.protocol == PROTOCOL_UNKNOWN)
3291         {
3292                 char buffer[1024];
3293                 Protocol_Names(buffer, sizeof(buffer));
3294                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3295                 sv.protocol = PROTOCOL_QUAKE;
3296         }
3297
3298         SV_VM_Begin();
3299
3300 // load progs to get entity field count
3301         //PR_LoadProgs ( sv_progs.string );
3302
3303         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3304         sv.datagram.cursize = 0;
3305         sv.datagram.data = sv.datagram_buf;
3306
3307         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3308         sv.reliable_datagram.cursize = 0;
3309         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3310
3311         sv.signon.maxsize = sizeof(sv.signon_buf);
3312         sv.signon.cursize = 0;
3313         sv.signon.data = sv.signon_buf;
3314
3315 // leave slots at start for clients only
3316         //prog->num_edicts = svs.maxclients+1;
3317
3318         sv.state = ss_loading;
3319         prog->allowworldwrites = true;
3320         sv.paused = false;
3321
3322         PRVM_serverglobalfloat(time) = sv.time = 1.0;
3323
3324         Mod_ClearUsed();
3325         worldmodel->used = true;
3326
3327         sv.worldmodel = worldmodel;
3328         sv.models[1] = sv.worldmodel;
3329
3330 //
3331 // clear world interaction links
3332 //
3333         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
3334         World_Start(&sv.world);
3335
3336         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3337
3338         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3339         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3340         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3341         {
3342                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3343                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3344         }
3345         if(i < sv.worldmodel->brush.numsubmodels)
3346                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3347
3348 //
3349 // load the rest of the entities
3350 //
3351         // AK possible hack since num_edicts is still 0
3352         ent = PRVM_EDICT_NUM(0);
3353         memset (ent->fields.vp, 0, prog->entityfields * 4);
3354         ent->priv.server->free = false;
3355         PRVM_serveredictstring(ent, model) = PRVM_SetEngineString(sv.worldname);
3356         PRVM_serveredictfloat(ent, modelindex) = 1;             // world model
3357         PRVM_serveredictfloat(ent, solid) = SOLID_BSP;
3358         PRVM_serveredictfloat(ent, movetype) = MOVETYPE_PUSH;
3359         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, mins));
3360         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, maxs));
3361         VectorCopy(sv.world.mins, PRVM_serveredictvector(ent, absmin));
3362         VectorCopy(sv.world.maxs, PRVM_serveredictvector(ent, absmax));
3363
3364         if (coop.value)
3365                 PRVM_serverglobalfloat(coop) = coop.integer;
3366         else
3367                 PRVM_serverglobalfloat(deathmatch) = deathmatch.integer;
3368
3369         PRVM_serverglobalstring(mapname) = PRVM_SetEngineString(sv.name);
3370
3371 // serverflags are for cross level information (sigils)
3372         PRVM_serverglobalfloat(serverflags) = svs.serverflags;
3373
3374         // we need to reset the spawned flag on all connected clients here so that
3375         // their thinks don't run during startup (before PutClientInServer)
3376         // we also need to set up the client entities now
3377         // and we need to set the ->edict pointers to point into the progs edicts
3378         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3379         {
3380                 host_client->spawned = false;
3381                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3382                 PRVM_ED_ClearEdict(host_client->edict);
3383         }
3384
3385         // load replacement entity file if found
3386         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3387         {
3388                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3389                 PRVM_ED_LoadFromFile (entities);
3390                 Mem_Free(entities);
3391         }
3392         else
3393                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
3394
3395
3396         // LordHavoc: clear world angles (to fix e3m3.bsp)
3397         VectorClear(PRVM_serveredictvector(prog->edicts, angles));
3398
3399 // all setup is completed, any further precache statements are errors
3400 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3401         prog->allowworldwrites = false;
3402
3403 // run two frames to allow everything to settle
3404         PRVM_serverglobalfloat(time) = sv.time = 1.0001;
3405         for (i = 0;i < 2;i++)
3406         {
3407                 sv.frametime = 0.1;
3408                 SV_Physics ();
3409         }
3410
3411         if (cls.state == ca_dedicated)
3412                 Mod_PurgeUnused();
3413
3414 // create a baseline for more efficient communications
3415         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)
3416                 SV_CreateBaseline ();
3417
3418         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3419
3420         // to prevent network timeouts
3421         realtime = Sys_DoubleTime();
3422
3423 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3424         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3425         {
3426                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3427                 if (!host_client->active)
3428                         continue;
3429                 if (host_client->netconnection)
3430                         SV_SendServerinfo(host_client);
3431                 else
3432                 {
3433                         int j;
3434                         // if client is a botclient coming from a level change, we need to
3435                         // set up client info that normally requires networking
3436
3437                         // copy spawn parms out of the client_t
3438                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3439                                 (&PRVM_serverglobalfloat(parm1))[j] = host_client->spawn_parms[j];
3440
3441                         // call the spawn function
3442                         host_client->clientconnectcalled = true;
3443                         PRVM_serverglobalfloat(time) = sv.time;
3444                         PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
3445                         PRVM_ExecuteProgram (PRVM_serverfunction(ClientConnect), "QC function ClientConnect is missing");
3446                         PRVM_ExecuteProgram (PRVM_serverfunction(PutClientInServer), "QC function PutClientInServer is missing");
3447                         host_client->spawned = true;
3448                 }
3449         }
3450
3451         // update the map title cvar
3452         strlcpy(sv.worldmessage, PRVM_GetString(PRVM_serveredictstring(prog->edicts, message)), sizeof(sv.worldmessage)); // map title (not related to filename)
3453         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3454
3455         Con_DPrint("Server spawned.\n");
3456         NetConn_Heartbeat (2);
3457
3458         SV_VM_End();
3459 }
3460
3461 /////////////////////////////////////////////////////
3462 // SV VM stuff
3463
3464 static void SV_VM_CB_BeginIncreaseEdicts(void)
3465 {
3466         // links don't survive the transition, so unlink everything
3467         World_UnlinkAll(&sv.world);
3468 }
3469
3470 static void SV_VM_CB_EndIncreaseEdicts(void)
3471 {
3472         int i;
3473         prvm_edict_t *ent;
3474
3475         // link every entity except world
3476         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3477                 if (!ent->priv.server->free)
3478                         SV_LinkEdict(ent);
3479 }
3480
3481 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3482 {
3483         // LordHavoc: for consistency set these here
3484         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3485
3486         e->priv.server->move = false; // don't move on first frame
3487
3488         if (num >= 0 && num < svs.maxclients)
3489         {
3490                 // set colormap and team on newly created player entity
3491                 PRVM_serveredictfloat(e, colormap) = num + 1;
3492                 PRVM_serveredictfloat(e, team) = (svs.clients[num].colors & 15) + 1;
3493                 // set netname/clientcolors back to client values so that
3494                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3495                 // reset them
3496                 PRVM_serveredictstring(e, netname) = PRVM_SetEngineString(svs.clients[num].name);
3497                 PRVM_serveredictfloat(e, clientcolors) = svs.clients[num].colors;
3498                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3499                 PRVM_serveredictstring(e, playermodel) = PRVM_SetEngineString(svs.clients[num].playermodel);
3500                 PRVM_serveredictstring(e, playerskin) = PRVM_SetEngineString(svs.clients[num].playerskin);
3501                 // Assign netaddress (IP Address, etc)
3502                 if(svs.clients[num].netconnection != NULL)
3503                 {
3504                         // Acquire Readable Address
3505                         LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3506                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(svs.clients[num].netaddress);
3507                 }
3508                 else
3509                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString("null/botclient");
3510                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
3511                         PRVM_serveredictstring(e, crypto_idfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.client_idfp);
3512                 else
3513                         PRVM_serveredictstring(e, crypto_idfp) = 0;
3514                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
3515                         PRVM_serveredictstring(e, crypto_keyfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.client_keyfp);
3516                 else
3517                         PRVM_serveredictstring(e, crypto_keyfp) = 0;
3518                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
3519                         PRVM_serveredictstring(e, crypto_mykeyfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.server_keyfp);
3520                 else
3521                         PRVM_serveredictstring(e, crypto_mykeyfp) = 0;
3522                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
3523                         PRVM_serveredictstring(e, crypto_encryptmethod) = PRVM_SetEngineString("AES128");
3524                 else
3525                         PRVM_serveredictstring(e, crypto_encryptmethod) = 0;
3526                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
3527                         PRVM_serveredictstring(e, crypto_signmethod) = PRVM_SetEngineString("HMAC-SHA256");
3528                 else
3529                         PRVM_serveredictstring(e, crypto_signmethod) = 0;
3530         }
3531 }
3532
3533 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3534 {
3535         int i;
3536         int e;
3537
3538         World_UnlinkEdict(ed);          // unlink from world bsp
3539
3540         PRVM_serveredictstring(ed, model) = 0;
3541         PRVM_serveredictfloat(ed, takedamage) = 0;
3542         PRVM_serveredictfloat(ed, modelindex) = 0;
3543         PRVM_serveredictfloat(ed, colormap) = 0;
3544         PRVM_serveredictfloat(ed, skin) = 0;
3545         PRVM_serveredictfloat(ed, frame) = 0;
3546         VectorClear(PRVM_serveredictvector(ed, origin));
3547         VectorClear(PRVM_serveredictvector(ed, angles));
3548         PRVM_serveredictfloat(ed, nextthink) = -1;
3549         PRVM_serveredictfloat(ed, solid) = 0;
3550
3551         VM_RemoveEdictSkeleton(ed);
3552         World_Physics_RemoveFromEntity(&sv.world, ed);
3553         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3554
3555         // make sure csqc networking is aware of the removed entity
3556         e = PRVM_NUM_FOR_EDICT(ed);
3557         sv.csqcentityversion[e] = 0;
3558         for (i = 0;i < svs.maxclients;i++)
3559         {
3560                 if (svs.clients[i].csqcentityscope[e])
3561                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3562                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3563         }
3564 }
3565
3566 static void SV_VM_CB_CountEdicts(void)
3567 {
3568         int             i;
3569         prvm_edict_t    *ent;
3570         int             active, models, solid, step;
3571
3572         active = models = solid = step = 0;
3573         for (i=0 ; i<prog->num_edicts ; i++)
3574         {
3575                 ent = PRVM_EDICT_NUM(i);
3576                 if (ent->priv.server->free)
3577                         continue;
3578                 active++;
3579                 if (PRVM_serveredictfloat(ent, solid))
3580                         solid++;
3581                 if (PRVM_serveredictstring(ent, model))
3582                         models++;
3583                 if (PRVM_serveredictfloat(ent, movetype) == MOVETYPE_STEP)
3584                         step++;
3585         }
3586
3587         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3588         Con_Printf("active    :%3i\n", active);
3589         Con_Printf("view      :%3i\n", models);
3590         Con_Printf("touch     :%3i\n", solid);
3591         Con_Printf("step      :%3i\n", step);
3592 }
3593
3594 static qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
3595 {
3596         // remove things from different skill levels or deathmatch
3597         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3598         {
3599                 if (deathmatch.integer)
3600                 {
3601                         if (((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_DEATHMATCH))
3602                         {
3603                                 return false;
3604                         }
3605                 }
3606                 else if ((current_skill <= 0 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_EASY  ))
3607                         || (current_skill == 1 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_MEDIUM))
3608                         || (current_skill >= 2 && ((int)PRVM_serveredictfloat(ent, spawnflags) & SPAWNFLAG_NOT_HARD  )))
3609                 {
3610                         return false;
3611                 }
3612         }
3613         return true;
3614 }
3615
3616 static void SV_VM_Setup(void)
3617 {
3618         PRVM_Begin;
3619         PRVM_InitProg( PRVM_SERVERPROG );
3620
3621         // allocate the mempools
3622         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3623         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3624         prog->builtins = vm_sv_builtins;
3625         prog->numbuiltins = vm_sv_numbuiltins;
3626         prog->max_edicts = 512;
3627         if (sv.protocol == PROTOCOL_QUAKE)
3628                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3629         else if (sv.protocol == PROTOCOL_QUAKEDP)
3630                 prog->limit_edicts = 2048; // guessing
3631         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3632                 prog->limit_edicts = 2048; // guessing!
3633         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3634                 prog->limit_edicts = 4096; // guessing!
3635         else
3636                 prog->limit_edicts = MAX_EDICTS;
3637         prog->reserved_edicts = svs.maxclients;
3638         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3639         prog->name = "server";
3640         prog->extensionstring = vm_sv_extensions;
3641         prog->loadintoworld = true;
3642
3643         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
3644         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
3645         prog->init_edict = SV_VM_CB_InitEdict;
3646         prog->free_edict = SV_VM_CB_FreeEdict;
3647         prog->count_edicts = SV_VM_CB_CountEdicts;
3648         prog->load_edict = SV_VM_CB_LoadEdict;
3649         prog->init_cmd = VM_SV_Cmd_Init;
3650         prog->reset_cmd = VM_SV_Cmd_Reset;
3651         prog->error_cmd = Host_Error;
3652         prog->ExecuteProgram = SVVM_ExecuteProgram;
3653
3654         PRVM_LoadProgs( sv_progs.string, SV_REQFUNCS, sv_reqfuncs, SV_REQFIELDS, sv_reqfields, SV_REQGLOBALS, sv_reqglobals);
3655
3656         // some mods compiled with scrambling compilers lack certain critical
3657         // global names and field names such as "self" and "time" and "nextthink"
3658         // so we have to set these offsets manually, matching the entvars_t
3659         // but we only do this if the prog header crc matches, otherwise it's totally freeform
3660         if (prog->progs_crc == PROGHEADER_CRC || prog->progs_crc == PROGHEADER_CRC_TENEBRAE)
3661         {
3662                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, modelindex);
3663                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmin);
3664                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, absmax);
3665                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ltime);
3666                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movetype);
3667                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, solid);
3668                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, origin);
3669                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, oldorigin);
3670                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, velocity);
3671                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3672                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, avelocity);
3673                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, punchangle);
3674                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3675                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, model);
3676                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3677                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, skin);
3678                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, effects);
3679                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, mins);
3680                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, maxs);
3681                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, size);
3682                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, touch);
3683                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, use);
3684                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3685                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, blocked);
3686                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3687                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3688                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, health);
3689                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frags);
3690                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weapon);
3691                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponmodel);
3692                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, weaponframe);
3693                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, currentammo);
3694                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_shells);
3695                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_nails);
3696                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_rockets);
3697                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ammo_cells);
3698                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, items);
3699                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, takedamage);
3700                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3701                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, deadflag);
3702                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, view_ofs);
3703                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button0);
3704                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button1);
3705                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, button2);
3706                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, impulse);
3707                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, fixangle);
3708                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, v_angle);
3709                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, idealpitch);
3710                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, netname);
3711                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, enemy);
3712                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, flags);
3713                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, colormap);
3714                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, team);
3715                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, max_health);
3716                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, teleport_time);
3717                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armortype);
3718                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, armorvalue);
3719                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, waterlevel);
3720                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, watertype);
3721                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3722                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3723                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, aiment);
3724                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, goalentity);
3725                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, spawnflags);
3726                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, target);
3727                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, targetname);
3728                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_take);
3729                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_save);
3730                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, dmg_inflictor);
3731                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, owner);
3732                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, movedir);
3733                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, message);
3734                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, sounds);
3735                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise);
3736                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise1);
3737                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise2);
3738                 PRVM_ED_FindFieldOffset_FromStruct(entvars_t, noise3);
3739                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3740                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, other);
3741                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, world);
3742                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3743                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, frametime);
3744                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, force_retouch);
3745                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, mapname);
3746                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, deathmatch);
3747                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, coop);
3748                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, teamplay);
3749                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, serverflags);
3750                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_secrets);
3751                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, total_monsters);
3752                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, found_secrets);
3753                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, killed_monsters);
3754                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm1);
3755                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm2);
3756                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm3);
3757                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm4);
3758                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm5);
3759                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm6);
3760                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm7);
3761                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm8);
3762                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm9);
3763                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm10);
3764                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm11);
3765                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm12);
3766                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm13);
3767                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm14);
3768                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm15);
3769                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, parm16);
3770                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3771                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3772                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3773                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3774                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3775                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3776                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3777                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3778                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3779                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3780                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3781                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3782                 PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, msg_entity);
3783 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, main);
3784 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, StartFrame);
3785 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPreThink);
3786 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PlayerPostThink);
3787 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientKill);
3788 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientConnect);
3789 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, PutClientInServer);
3790 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, ClientDisconnect);
3791 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetNewParms);
3792 //              PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, SetChangeParms);
3793         }
3794         else
3795                 Con_DPrintf("%s: %s system vars have been modified (CRC %i != engine %i), will not load in other engines", PRVM_NAME, sv_progs.string, prog->progs_crc, PROGHEADER_CRC);
3796
3797         // OP_STATE is always supported on server because we add fields/globals for it
3798         prog->flag |= PRVM_OP_STATE;
3799
3800         VM_CustomStats_Clear();//[515]: csqc
3801
3802         PRVM_End;
3803
3804         SV_Prepare_CSQC();
3805 }
3806
3807 void SV_VM_Begin(void)
3808 {
3809         PRVM_Begin;
3810         PRVM_SetProg( PRVM_SERVERPROG );
3811
3812         PRVM_serverglobalfloat(time) = (float) sv.time;
3813 }
3814
3815 void SV_VM_End(void)
3816 {
3817         PRVM_End;
3818 }