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_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"};
  57 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"};
  58 cvar_t sv_airstopaccelerate = {0, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
  59 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"};
  60 cvar_t sv_airstrafeaccelerate = {0, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
  61 cvar_t sv_maxairstrafespeed = {0, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
  62 cvar_t sv_airstrafeaccel_qw = {0, "sv_airstrafeaccel_qw", "0", "when set, replacement for sv_airaccel_qw when just strafing"};
  63 cvar_t sv_aircontrol = {0, "sv_aircontrol", "0", "CPMA-style air control"};
  64 cvar_t sv_aircontrol_power = {0, "sv_aircontrol_power", "2", "CPMA-style air control exponent"};
  65 cvar_t sv_aircontrol_penalty = {0, "sv_aircontrol_penalty", "0", "deceleration while using CPMA-style air control"};
  66 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
  67 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
  68 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
  69 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
  70 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
  71 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"};
  72 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"};
  73 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"};
  74 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)"};
  75 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)"};
  76 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)"};
  77 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!)"};
  78 cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
  79 cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  80 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"};
  81 cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  82 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"};
  83 cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  84 cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
  85 cvar_t sv_cullentities_trace_prediction_time = {0, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
  86 cvar_t sv_cullentities_trace_entityocclusion = {0, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
  87 cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
  88 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"};
  89 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"};
  90 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
  91 cvar_t sv_echobprint = {CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
  92 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)"};
  93 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)"};
  94 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)"};
  95 cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
  96 cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
  97 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"};
  98 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"};
  99 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"};
 100 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)"};
 101 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"};
 102 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)"};
 103 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"};
 104 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
 105 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
 106 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"};
 107 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"};
 108 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)"};
 109 cvar_t sv_gameplayfix_nudgeoutofsolid = {0, "sv_gameplayfix_nudgeoutofsolid", "1", "attempts to fix physics errors (where an object ended up in solid for some reason)"};
 110 cvar_t sv_gameplayfix_nudgeoutofsolid_bias = {0, "sv_gameplayfix_nudgeoutofsolid_bias", "0", "over-correction on nudgeoutofsolid logic, to prevent constant contact"};
 111 cvar_t sv_gameplayfix_q2airaccelerate = {0, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
 112 cvar_t sv_gameplayfix_nogravityonground = {0, "sv_gameplayfix_nogravityonground", "0", "turn off gravity when on ground (to get rid of sliding)"};
 113 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"};
 114 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"};
 115 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)"};
 116 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)"};
 117 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"};
 118 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"};
 119 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"};
 120 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"};
 121 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)"};
 122 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 123 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 124 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
 125 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 126 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)"};
 127 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 128 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 129 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 130 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 131 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 132 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 133 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 134 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"};
 135 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)"};
 136 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)"};
 137 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)"};
 138 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 139 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 140 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 141 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"};
 142 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"};
 143 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 144 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)"};
 145 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 146 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)"};
 147 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"};
 148 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
 149 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"};
 150 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"};
 151 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 152
 153 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 154 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 155 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 156 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 157 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 158 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 159 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 160 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 161 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 162 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)"};
 163
 164 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 165 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 166 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 167 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 168 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 169 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 170 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 171 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 172 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 173 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 174 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 175 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 176 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 177 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 178 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 179 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 180 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 181 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 182 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 183 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 184 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 185
 186 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)"};
 187 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)" };
 188 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."};
 189
 190 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 191
 192 server_t sv;
 193 server_static_t svs;
 194
 195 mempool_t *sv_mempool = NULL;
 196
 197 extern cvar_t slowmo;
 198 extern float            scr_centertime_off;
 199
 200 // MUST match effectnameindex_t in client.h
 201 static const char *standardeffectnames[EFFECT_TOTAL] =
 202 {
 203         "",
 204         "TE_GUNSHOT",
 205         "TE_GUNSHOTQUAD",
 206         "TE_SPIKE",
 207         "TE_SPIKEQUAD",
 208         "TE_SUPERSPIKE",
 209         "TE_SUPERSPIKEQUAD",
 210         "TE_WIZSPIKE",
 211         "TE_KNIGHTSPIKE",
 212         "TE_EXPLOSION",
 213         "TE_EXPLOSIONQUAD",
 214         "TE_TAREXPLOSION",
 215         "TE_TELEPORT",
 216         "TE_LAVASPLASH",
 217         "TE_SMALLFLASH",
 218         "TE_FLAMEJET",
 219         "EF_FLAME",
 220         "TE_BLOOD",
 221         "TE_SPARK",
 222         "TE_PLASMABURN",
 223         "TE_TEI_G3",
 224         "TE_TEI_SMOKE",
 225         "TE_TEI_BIGEXPLOSION",
 226         "TE_TEI_PLASMAHIT",
 227         "EF_STARDUST",
 228         "TR_ROCKET",
 229         "TR_GRENADE",
 230         "TR_BLOOD",
 231         "TR_WIZSPIKE",
 232         "TR_SLIGHTBLOOD",
 233         "TR_KNIGHTSPIKE",
 234         "TR_VORESPIKE",
 235         "TR_NEHAHRASMOKE",
 236         "TR_NEXUIZPLASMA",
 237         "TR_GLOWTRAIL",
 238         "SVC_PARTICLE"
 239 };
 240
 241 #define SV_REQFUNCS 0
 242 #define sv_reqfuncs NULL
 243
 244 //#define SV_REQFUNCS (sizeof(sv_reqfuncs) / sizeof(const char *))
 245 //static const char *sv_reqfuncs[] = {
 246 //};
 247
 248 #define SV_REQFIELDS (sizeof(sv_reqfields) / sizeof(prvm_required_field_t))
 249
 250 prvm_required_field_t sv_reqfields[] =
 251 {
 252         {ev_entity, "aiment"},
 253         {ev_entity, "chain"},
 254         {ev_entity, "clientcamera"},
 255         {ev_entity, "cursor_trace_ent"},
 256         {ev_entity, "drawonlytoclient"},
 257         {ev_entity, "enemy"},
 258         {ev_entity, "exteriormodeltoclient"},
 259         {ev_entity, "groundentity"},
 260         {ev_entity, "nodrawtoclient"},
 261         {ev_entity, "tag_entity"},
 262         {ev_entity, "viewmodelforclient"},
 263         {ev_float, "SendFlags"},
 264         {ev_float, "Version"},
 265         {ev_float, "alpha"},
 266         {ev_float, "ammo_cells1"},
 267         {ev_float, "ammo_lava_nails"},
 268         {ev_float, "ammo_multi_rockets"},
 269         {ev_float, "ammo_nails1"},
 270         {ev_float, "ammo_plasma"},
 271         {ev_float, "ammo_rockets1"},
 272         {ev_float, "ammo_shells1"},
 273         {ev_float, "bouncefactor"},
 274         {ev_float, "bouncestop"},
 275         {ev_float, "button3"},
 276         {ev_float, "button4"},
 277         {ev_float, "button5"},
 278         {ev_float, "button6"},
 279         {ev_float, "button7"},
 280         {ev_float, "button8"},
 281         {ev_float, "button9"},
 282         {ev_float, "button10"},
 283         {ev_float, "button11"},
 284         {ev_float, "button12"},
 285         {ev_float, "button13"},
 286         {ev_float, "button14"},
 287         {ev_float, "button15"},
 288         {ev_float, "button16"},
 289         {ev_float, "buttonchat"},
 290         {ev_float, "buttonuse"},
 291         {ev_float, "clientcolors"},
 292         {ev_float, "color"},
 293         {ev_float, "colormod"},
 294         {ev_float, "cursor_active"},
 295         {ev_float, "cursor_screen"},
 296         {ev_float, "cursor_trace_endpos"},
 297         {ev_float, "cursor_trace_start"},
 298         {ev_float, "dimension_hit"},
 299         {ev_float, "dimension_solid"},
 300         {ev_float, "disableclientprediction"},
 301         {ev_float, "discardabledemo"},
 302         {ev_float, "dphitcontentsmask"},
 303         {ev_float, "fatness"},
 304         {ev_float, "forceshader"},
 305         {ev_float, "frame"},
 306         {ev_float, "frame1time"},
 307         {ev_float, "frame2"},
 308         {ev_float, "frame2time"},
 309         {ev_float, "frame3"},
 310         {ev_float, "frame3time"},
 311         {ev_float, "frame4"},
 312         {ev_float, "frame4time"},
 313         {ev_float, "fullbright"},
 314         {ev_float, "glow_color"},
 315         {ev_float, "glow_size"},
 316         {ev_float, "glow_trail"},
 317         {ev_float, "gravity"},
 318         {ev_float, "hull"},
 319         {ev_float, "ideal_yaw"},
 320         {ev_float, "idealpitch"},
 321         {ev_float, "items2"},
 322         {ev_float, "jointtype"},
 323         {ev_float, "lerpfrac"},
 324         {ev_float, "lerpfrac3"},
 325         {ev_float, "lerpfrac4"},
 326         {ev_float, "light_lev"},
 327         {ev_float, "mass"},
 328         {ev_float, "modelflags"},
 329         {ev_float, "modelindex"},
 330         {ev_float, "movetype"},
 331         {ev_float, "nextthink"},
 332         {ev_float, "packetloss"},
 333         {ev_float, "pflags"},
 334         {ev_float, "ping"},
 335         {ev_float, "ping_packetloss"},
 336         {ev_float, "ping_movementloss"},
 337         {ev_float, "pitch_speed"},
 338         {ev_float, "pmodel"},
 339         {ev_float, "renderamt"},
 340         {ev_float, "renderflags"},
 341         {ev_float, "rendermode"},
 342         {ev_float, "scale"},
 343         {ev_float, "sendcomplexanimation"},
 344         {ev_float, "shadertime"},
 345         {ev_float, "skeletonindex"},
 346         {ev_float, "solid"},
 347         {ev_float, "style"},
 348         {ev_float, "tag_index"},
 349         {ev_float, "think"},
 350         {ev_float, "userwavefunc_param0"},
 351         {ev_float, "userwavefunc_param1"},
 352         {ev_float, "userwavefunc_param2"},
 353         {ev_float, "userwavefunc_param3"},
 354         {ev_float, "viewzoom"},
 355         {ev_float, "yaw_speed"},
 356         {ev_function, "SendEntity"},
 357         {ev_function, "camera_transform"},
 358         {ev_function, "contentstransition"},
 359         {ev_function, "customizeentityforclient"},
 360         {ev_function, "movetypesteplandevent"},
 361         {ev_string, "classname"},
 362         {ev_string, "clientstatus"},
 363         {ev_string, "crypto_encryptmethod"},
 364         {ev_string, "crypto_idfp"},
 365         {ev_string, "crypto_keyfp"},
 366         {ev_string, "crypto_mykeyfp"},
 367         {ev_string, "crypto_signmethod"},
 368         {ev_string, "message"},
 369         {ev_string, "netaddress"},
 370         {ev_string, "playermodel"},
 371         {ev_string, "playerskin"},
 372         {ev_vector, "angles"},
 373         {ev_vector, "angles"},
 374         {ev_vector, "avelocity"},
 375 //      {ev_vector, "axis_forward"},
 376 //      {ev_vector, "axis_left"},
 377 //      {ev_vector, "axis_up"},
 378         {ev_vector, "glowmod"},
 379         {ev_vector, "maxs"},
 380         {ev_vector, "mins"},
 381         {ev_vector, "movedir"},
 382         {ev_vector, "movement"},
 383         {ev_vector, "origin"},
 384         {ev_vector, "punchvector"},
 385 //      {ev_vector, "spinvelocity"},
 386         {ev_vector, "velocity"},
 387 };
 388
 389 #define SV_REQGLOBALS (sizeof(sv_reqglobals) / sizeof(prvm_required_field_t))
 390
 391 prvm_required_field_t sv_reqglobals[] =
 392 {
 393         {ev_entity, "self"},
 394         {ev_entity, "trace_ent"},
 395         {ev_entity, "trace_networkentity"},
 396         {ev_float, "coop"},
 397         {ev_float, "deathmatch"},
 398         {ev_float, "dmg_save"},
 399         {ev_float, "dmg_take"},
 400         {ev_float, "drawfont"},
 401         {ev_float, "drawfontscale"},
 402         {ev_float, "gettaginfo_parent"},
 403         {ev_float, "intermission"},
 404         {ev_float, "particles_alphamax"},
 405         {ev_float, "particles_alphamin"},
 406         {ev_float, "require_spawnfunc_prefix"},
 407         {ev_float, "sb_showscores"},
 408         {ev_float, "serverdeltatime"},
 409         {ev_float, "serverprevtime"},
 410         {ev_float, "servertime"},
 411         {ev_float, "time"},
 412         {ev_float, "trace_allsolid"},
 413         {ev_float, "trace_dphitcontents"},
 414         {ev_float, "trace_dphitq3surfaceflags"},
 415         {ev_float, "trace_dpstartcontents"},
 416         {ev_float, "trace_fraction"},
 417         {ev_float, "trace_inopen"},
 418         {ev_float, "trace_inwater"},
 419         {ev_float, "trace_plane_dist"},
 420         {ev_float, "trace_startsolid"},
 421         {ev_float, "transparent_offset"},
 422         {ev_string, "SV_InitCmd"},
 423         {ev_string, "gettaginfo_name"},
 424         {ev_string, "trace_dphittexturename"},
 425         {ev_string, "worldstatus"},
 426         {ev_vector, "dmg_origin"},
 427         {ev_vector, "gettaginfo_forward"},
 428         {ev_vector, "gettaginfo_offset"},
 429         {ev_vector, "gettaginfo_right"},
 430         {ev_vector, "gettaginfo_up"},
 431         {ev_vector, "particles_colormax"},
 432         {ev_vector, "particles_colormin"},
 433         {ev_vector, "trace_endpos"},
 434         {ev_vector, "trace_plane_normal"},
 435         {ev_vector, "v_forward"},
 436         {ev_vector, "v_right"},
 437         {ev_vector, "v_up"},
 438         {ev_vector, "view_angles"},
 439         {ev_vector, "view_punchangle"},
 440         {ev_vector, "view_punchvector"},
 441 };
 442
 443
 444
 445 //============================================================================
 446
 447 void SV_AreaStats_f(void)
 448 {
 449         World_PrintAreaStats(&sv.world, "server");
 450 }
 451
 452 /*
 453 ===============
 454 SV_Init
 455 ===============
 456 */
 457 void SV_Init (void)
 458 {
 459         // init the csqc progs cvars, since they are updated/used by the server code
 460         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 461         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 462         extern cvar_t csqc_progcrc;
 463         extern cvar_t csqc_progsize;
 464
 465         Cvar_RegisterVariable(&sv_worldmessage);
 466         Cvar_RegisterVariable(&sv_worldname);
 467         Cvar_RegisterVariable(&sv_worldnamenoextension);
 468         Cvar_RegisterVariable(&sv_worldbasename);
 469
 470         Cvar_RegisterVariable (&csqc_progname);
 471         Cvar_RegisterVariable (&csqc_progcrc);
 472         Cvar_RegisterVariable (&csqc_progsize);
 473
 474         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 475         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 476         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 477         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
 478
 479         Cvar_RegisterVariable (&coop);
 480         Cvar_RegisterVariable (&deathmatch);
 481         Cvar_RegisterVariable (&fraglimit);
 482         Cvar_RegisterVariable (&gamecfg);
 483         Cvar_RegisterVariable (&noexit);
 484         Cvar_RegisterVariable (&nomonsters);
 485         Cvar_RegisterVariable (&pausable);
 486         Cvar_RegisterVariable (&pr_checkextension);
 487         Cvar_RegisterVariable (&samelevel);
 488         Cvar_RegisterVariable (&skill);
 489         Cvar_RegisterVariable (&slowmo);
 490         Cvar_RegisterVariable (&sv_accelerate);
 491         Cvar_RegisterVariable (&sv_aim);
 492         Cvar_RegisterVariable (&sv_airaccel_qw);
 493         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 494         Cvar_RegisterVariable (&sv_airaccelerate);
 495         Cvar_RegisterVariable (&sv_airstopaccelerate);
 496         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 497         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 498         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
 499         Cvar_RegisterVariable (&sv_airspeedlimit_nonqw);
 500         Cvar_RegisterVariable (&sv_aircontrol);
 501         Cvar_RegisterVariable (&sv_aircontrol_power);
 502         Cvar_RegisterVariable (&sv_aircontrol_penalty);
 503         Cvar_RegisterVariable (&sv_allowdownloads);
 504         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 505         Cvar_RegisterVariable (&sv_allowdownloads_config);
 506         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 507         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 508         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 509         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 510         Cvar_RegisterVariable (&sv_clmovement_enable);
 511         Cvar_RegisterVariable (&sv_clmovement_minping);
 512         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 513         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 514         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 515         Cvar_RegisterVariable (&sv_cullentities_pvs);
 516         Cvar_RegisterVariable (&sv_cullentities_stats);
 517         Cvar_RegisterVariable (&sv_cullentities_trace);
 518         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 519         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 520         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 521         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 522         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 523         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 524         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 525         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 526         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 527         Cvar_RegisterVariable (&sv_debugmove);
 528         Cvar_RegisterVariable (&sv_echobprint);
 529         Cvar_RegisterVariable (&sv_edgefriction);
 530         Cvar_RegisterVariable (&sv_entpatch);
 531         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 532         Cvar_RegisterVariable (&sv_freezenonclients);
 533         Cvar_RegisterVariable (&sv_friction);
 534         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 535         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
 536         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 537         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 538         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 539         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 540         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 541         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 542         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 543         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 544         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 545         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 546         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
 547         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_bias);
 548         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 549         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
 550         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 551         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 552         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 553         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
 554         Cvar_RegisterVariable (&sv_gameplayfix_stepmultipletimes);
 555         Cvar_RegisterVariable (&sv_gameplayfix_nostepmoveonsteepslopes);
 556         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 557         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 558         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
 559         Cvar_RegisterVariable (&sv_gravity);
 560         Cvar_RegisterVariable (&sv_idealpitchscale);
 561         Cvar_RegisterVariable (&sv_jumpstep);
 562         Cvar_RegisterVariable (&sv_jumpvelocity);
 563         Cvar_RegisterVariable (&sv_maxairspeed);
 564         Cvar_RegisterVariable (&sv_maxrate);
 565         Cvar_RegisterVariable (&sv_maxspeed);
 566         Cvar_RegisterVariable (&sv_maxvelocity);
 567         Cvar_RegisterVariable (&sv_nostep);
 568         Cvar_RegisterVariable (&sv_playerphysicsqc);
 569         Cvar_RegisterVariable (&sv_progs);
 570         Cvar_RegisterVariable (&sv_protocolname);
 571         Cvar_RegisterVariable (&sv_random_seed);
 572         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
 573         Cvar_RegisterVariable (&sv_sound_land);
 574         Cvar_RegisterVariable (&sv_sound_watersplash);
 575         Cvar_RegisterVariable (&sv_stepheight);
 576         Cvar_RegisterVariable (&sv_stopspeed);
 577         Cvar_RegisterVariable (&sv_wallfriction);
 578         Cvar_RegisterVariable (&sv_wateraccelerate);
 579         Cvar_RegisterVariable (&sv_waterfriction);
 580         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 581         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 582         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 583         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 584         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 585         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 586         Cvar_RegisterVariable (&sys_ticrate);
 587         Cvar_RegisterVariable (&teamplay);
 588         Cvar_RegisterVariable (&timelimit);
 589
 590         Cvar_RegisterVariable (&saved1);
 591         Cvar_RegisterVariable (&saved2);
 592         Cvar_RegisterVariable (&saved3);
 593         Cvar_RegisterVariable (&saved4);
 594         Cvar_RegisterVariable (&savedgamecfg);
 595         Cvar_RegisterVariable (&scratch1);
 596         Cvar_RegisterVariable (&scratch2);
 597         Cvar_RegisterVariable (&scratch3);
 598         Cvar_RegisterVariable (&scratch4);
 599         Cvar_RegisterVariable (&temp1);
 600
 601         // LordHavoc: Nehahra uses these to pass data around cutscene demos
 602         Cvar_RegisterVariable (&nehx00);
 603         Cvar_RegisterVariable (&nehx01);
 604         Cvar_RegisterVariable (&nehx02);
 605         Cvar_RegisterVariable (&nehx03);
 606         Cvar_RegisterVariable (&nehx04);
 607         Cvar_RegisterVariable (&nehx05);
 608         Cvar_RegisterVariable (&nehx06);
 609         Cvar_RegisterVariable (&nehx07);
 610         Cvar_RegisterVariable (&nehx08);
 611         Cvar_RegisterVariable (&nehx09);
 612         Cvar_RegisterVariable (&nehx10);
 613         Cvar_RegisterVariable (&nehx11);
 614         Cvar_RegisterVariable (&nehx12);
 615         Cvar_RegisterVariable (&nehx13);
 616         Cvar_RegisterVariable (&nehx14);
 617         Cvar_RegisterVariable (&nehx15);
 618         Cvar_RegisterVariable (&nehx16);
 619         Cvar_RegisterVariable (&nehx17);
 620         Cvar_RegisterVariable (&nehx18);
 621         Cvar_RegisterVariable (&nehx19);
 622         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 623
 624         Cvar_RegisterVariable (&sv_autodemo_perclient);
 625         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 626         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
 627
 628         Cvar_RegisterVariable (&halflifebsp);
 629
 630         sv_mempool = Mem_AllocPool("server", 0, NULL);
 631 }
 632
 633 static void SV_SaveEntFile_f(void)
 634 {
 635         if (!sv.active || !sv.worldmodel)
 636         {
 637                 Con_Print("Not running a server\n");
 638                 return;
 639         }
 640         FS_WriteFile(va("%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 641 }
 642
 643
 644 /*
 645 =============================================================================
 646
 647 EVENT MESSAGES
 648
 649 =============================================================================
 650 */
 651
 652 /*
 653 ==================
 654 SV_StartParticle
 655
 656 Make sure the event gets sent to all clients
 657 ==================
 658 */
 659 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 660 {
 661         int i;
 662
 663         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 664                 return;
 665         MSG_WriteByte (&sv.datagram, svc_particle);
 666         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 667         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 668         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 669         for (i=0 ; i<3 ; i++)
 670                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 671         MSG_WriteByte (&sv.datagram, count);
 672         MSG_WriteByte (&sv.datagram, color);
 673         SV_FlushBroadcastMessages();
 674 }
 675
 676 /*
 677 ==================
 678 SV_StartEffect
 679
 680 Make sure the event gets sent to all clients
 681 ==================
 682 */
 683 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 684 {
 685         if (modelindex >= 256 || startframe >= 256)
 686         {
 687                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 688                         return;
 689                 MSG_WriteByte (&sv.datagram, svc_effect2);
 690                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 691                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 692                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 693                 MSG_WriteShort (&sv.datagram, modelindex);
 694                 MSG_WriteShort (&sv.datagram, startframe);
 695                 MSG_WriteByte (&sv.datagram, framecount);
 696                 MSG_WriteByte (&sv.datagram, framerate);
 697         }
 698         else
 699         {
 700                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 701                         return;
 702                 MSG_WriteByte (&sv.datagram, svc_effect);
 703                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 704                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 705                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 706                 MSG_WriteByte (&sv.datagram, modelindex);
 707                 MSG_WriteByte (&sv.datagram, startframe);
 708                 MSG_WriteByte (&sv.datagram, framecount);
 709                 MSG_WriteByte (&sv.datagram, framerate);
 710         }
 711         SV_FlushBroadcastMessages();
 712 }
 713
 714 /*
 715 ==================
 716 SV_StartSound
 717
 718 Each entity can have eight independant sound sources, like voice,
 719 weapon, feet, etc.
 720
 721 Channel 0 is an auto-allocate channel, the others override anything
 722 already running on that entity/channel pair.
 723
 724 An attenuation of 0 will play full volume everywhere in the level.
 725 Larger attenuations will drop off.  (max 4 attenuation)
 726
 727 ==================
 728 */
 729 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
 730 {
 731         int sound_num, field_mask, i, ent;
 732
 733         if (volume < 0 || volume > 255)
 734         {
 735                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
 736                 return;
 737         }
 738
 739         if (attenuation < 0 || attenuation > 4)
 740         {
 741                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 742                 return;
 743         }
 744
 745         if (channel < 0 || channel > 7)
 746         {
 747                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 748                 return;
 749         }
 750
 751         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 752                 return;
 753
 754 // find precache number for sound
 755         sound_num = SV_SoundIndex(sample, 1);
 756         if (!sound_num)
 757                 return;
 758
 759         ent = PRVM_NUM_FOR_EDICT(entity);
 760
 761         field_mask = 0;
 762         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 763                 field_mask |= SND_VOLUME;
 764         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 765                 field_mask |= SND_ATTENUATION;
 766         if (ent >= 8192)
 767                 field_mask |= SND_LARGEENTITY;
 768         if (sound_num >= 256 || channel >= 8)
 769                 field_mask |= SND_LARGESOUND;
 770
 771 // directed messages go only to the entity they are targeted on
 772         MSG_WriteByte (&sv.datagram, svc_sound);
 773         MSG_WriteByte (&sv.datagram, field_mask);
 774         if (field_mask & SND_VOLUME)
 775                 MSG_WriteByte (&sv.datagram, volume);
 776         if (field_mask & SND_ATTENUATION)
 777                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 778         if (field_mask & SND_LARGEENTITY)
 779         {
 780                 MSG_WriteShort (&sv.datagram, ent);
 781                 MSG_WriteByte (&sv.datagram, channel);
 782         }
 783         else
 784                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
 785         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 786                 MSG_WriteShort (&sv.datagram, sound_num);
 787         else
 788                 MSG_WriteByte (&sv.datagram, sound_num);
 789         for (i = 0;i < 3;i++)
 790                 MSG_WriteCoord (&sv.datagram, entity->fields.server->origin[i]+0.5*(entity->fields.server->mins[i]+entity->fields.server->maxs[i]), sv.protocol);
 791         SV_FlushBroadcastMessages();
 792 }
 793
 794 /*
 795 ==================
 796 SV_StartPointSound
 797
 798 Nearly the same logic as SV_StartSound, except an origin
 799 instead of an entity is provided and channel is omitted.
 800
 801 The entity sent to the client is 0 (world) and the channel
 802 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 803 function, therefore the check for it is omitted.
 804
 805 ==================
 806 */
 807 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation)
 808 {
 809         int sound_num, field_mask, i;
 810
 811         if (volume < 0 || volume > 255)
 812         {
 813                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
 814                 return;
 815         }
 816
 817         if (attenuation < 0 || attenuation > 4)
 818         {
 819                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 820                 return;
 821         }
 822
 823         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 824                 return;
 825
 826         // find precache number for sound
 827         sound_num = SV_SoundIndex(sample, 1);
 828         if (!sound_num)
 829                 return;
 830
 831         field_mask = 0;
 832         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 833                 field_mask |= SND_VOLUME;
 834         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 835                 field_mask |= SND_ATTENUATION;
 836         if (sound_num >= 256)
 837                 field_mask |= SND_LARGESOUND;
 838
 839 // directed messages go only to the entity they are targeted on
 840         MSG_WriteByte (&sv.datagram, svc_sound);
 841         MSG_WriteByte (&sv.datagram, field_mask);
 842         if (field_mask & SND_VOLUME)
 843                 MSG_WriteByte (&sv.datagram, volume);
 844         if (field_mask & SND_ATTENUATION)
 845                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 846         // Always write entnum 0 for the world entity
 847         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 848         if (field_mask & SND_LARGESOUND)
 849                 MSG_WriteShort (&sv.datagram, sound_num);
 850         else
 851                 MSG_WriteByte (&sv.datagram, sound_num);
 852         for (i = 0;i < 3;i++)
 853                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 854         SV_FlushBroadcastMessages();
 855 }
 856
 857 /*
 858 ==============================================================================
 859
 860 CLIENT SPAWNING
 861
 862 ==============================================================================
 863 */
 864
 865 /*
 866 ================
 867 SV_SendServerinfo
 868
 869 Sends the first message from the server to a connected client.
 870 This will be sent on the initial connection and upon each server load.
 871 ================
 872 */
 873 void SV_SendServerinfo (client_t *client)
 874 {
 875         int i;
 876         char message[128];
 877
 878         // we know that this client has a netconnection and thus is not a bot
 879
 880         // edicts get reallocated on level changes, so we need to update it here
 881         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 882
 883         // clear cached stuff that depends on the level
 884         client->weaponmodel[0] = 0;
 885         client->weaponmodelindex = 0;
 886
 887         // LordHavoc: clear entityframe tracking
 888         client->latestframenum = 0;
 889
 890         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 891         client->cmd.time = sv.time;
 892
 893         if (client->entitydatabase)
 894                 EntityFrame_FreeDatabase(client->entitydatabase);
 895         if (client->entitydatabase4)
 896                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 897         if (client->entitydatabase5)
 898                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 899
 900         memset(client->stats, 0, sizeof(client->stats));
 901         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 902
 903         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)
 904         {
 905                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 906                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 907                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 908                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 909                 else
 910                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 911         }
 912
 913         // reset csqc entity versions
 914         for (i = 0;i < prog->max_edicts;i++)
 915         {
 916                 client->csqcentityscope[i] = 0;
 917                 client->csqcentitysendflags[i] = 0xFFFFFF;
 918                 client->csqcentityglobalhistory[i] = 0;
 919         }
 920         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 921         {
 922                 client->csqcentityframehistory[i].num = 0;
 923                 client->csqcentityframehistory[i].framenum = -1;
 924         }
 925         client->csqcnumedicts = 0;
 926         client->csqcentityframehistory_next = 0;
 927
 928         SZ_Clear (&client->netconnection->message);
 929         MSG_WriteByte (&client->netconnection->message, svc_print);
 930         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
 931         MSG_WriteString (&client->netconnection->message,message);
 932
 933         SV_StopDemoRecording(client); // to split up demos into different files
 934         if(sv_autodemo_perclient.integer && client->netconnection)
 935         {
 936                 char demofile[MAX_OSPATH];
 937                 char ipaddress[MAX_QPATH];
 938                 size_t i;
 939
 940                 // start a new demo file
 941                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 942                 for(i = 0; ipaddress[i]; ++i)
 943                         if(!isalnum(ipaddress[i]))
 944                                 ipaddress[i] = '-';
 945                 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);
 946
 947                 SV_StartDemoRecording(client, demofile, -1);
 948         }
 949
 950         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 951         if (sv.csqc_progname[0])
 952         {
 953                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 954                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 955                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
 956                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 957                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
 958                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 959                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
 960
 961                 if(client->sv_demo_file != NULL)
 962                 {
 963                         int i;
 964                         static char buf[NET_MAXMESSAGE];
 965                         sizebuf_t sb;
 966
 967                         sb.data = (unsigned char *) buf;
 968                         sb.maxsize = sizeof(buf);
 969                         i = 0;
 970                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
 971                                 SV_WriteDemoMessage(client, &sb, false);
 972                 }
 973
 974                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 975                 if (PRVM_GetString(PRVM_GLOBALFIELDSTRING(prog->globaloffsets.SV_InitCmd)))
 976                 {
 977                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 978                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(PRVM_GLOBALFIELDSTRING(prog->globaloffsets.SV_InitCmd))));
 979                 }
 980         }
 981
 982         //if (sv_allowdownloads.integer)
 983         // always send the info that the server supports the protocol, even if downloads are forbidden
 984         // only because of that, the CSQC exception can work
 985         {
 986                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 987                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
 988         }
 989
 990         // send at this time so it's guaranteed to get executed at the right time
 991         {
 992                 client_t *save;
 993                 save = host_client;
 994                 host_client = client;
 995                 Curl_SendRequirements();
 996                 host_client = save;
 997         }
 998
 999         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
1000         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
1001         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
1002
1003         if (!coop.integer && deathmatch.integer)
1004                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
1005         else
1006                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
1007
1008         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog->edicts->fields.server->message));
1009
1010         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
1011                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
1012         MSG_WriteByte (&client->netconnection->message, 0);
1013
1014         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
1015                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
1016         MSG_WriteByte (&client->netconnection->message, 0);
1017
1018 // send music
1019         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
1020         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
1021         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
1022
1023 // set view
1024 // store this in clientcamera, too
1025         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
1026         MSG_WriteByte (&client->netconnection->message, svc_setview);
1027         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
1028
1029         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
1030         MSG_WriteByte (&client->netconnection->message, 1);
1031
1032         client->spawned = false;                // need prespawn, spawn, etc
1033         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
1034
1035         // clear movement info until client enters the new level properly
1036         memset(&client->cmd, 0, sizeof(client->cmd));
1037         client->movesequence = 0;
1038         client->movement_highestsequence_seen = 0;
1039         memset(&client->movement_count, 0, sizeof(client->movement_count));
1040 #ifdef NUM_PING_TIMES
1041         for (i = 0;i < NUM_PING_TIMES;i++)
1042                 client->ping_times[i] = 0;
1043         client->num_pings = 0;
1044 #endif
1045         client->ping = 0;
1046
1047         // allow the client some time to send his keepalives, even if map loading took ages
1048         client->netconnection->timeout = realtime + net_connecttimeout.value;
1049 }
1050
1051 /*
1052 ================
1053 SV_ConnectClient
1054
1055 Initializes a client_t for a new net connection.  This will only be called
1056 once for a player each game, not once for each level change.
1057 ================
1058 */
1059 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
1060 {
1061         client_t                *client;
1062         int                             i;
1063
1064         client = svs.clients + clientnum;
1065
1066 // set up the client_t
1067         if (sv.loadgame)
1068         {
1069                 float backupparms[NUM_SPAWN_PARMS];
1070                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
1071                 memset(client, 0, sizeof(*client));
1072                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
1073         }
1074         else
1075                 memset(client, 0, sizeof(*client));
1076         client->active = true;
1077         client->netconnection = netconnection;
1078
1079         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
1080
1081         if(client->netconnection && client->netconnection->crypto.authenticated)
1082         {
1083                 Con_Printf("%s connection to %s has been established: client is %s@%.*s, I am %.*s@%.*s\n",
1084                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
1085                                 client->netconnection->address,
1086                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
1087                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1088                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1089                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1090                                 );
1091         }
1092
1093         strlcpy(client->name, "unconnected", sizeof(client->name));
1094         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1095         client->spawned = false;
1096         client->edict = PRVM_EDICT_NUM(clientnum+1);
1097         if (client->netconnection)
1098                 client->netconnection->message.allowoverflow = true;            // we can catch it
1099         // prepare the unreliable message buffer
1100         client->unreliablemsg.data = client->unreliablemsg_data;
1101         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1102         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1103         client->rate = 1000000000;
1104         // no limits for local player
1105         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
1106                 client->rate = 1000000000;
1107         client->connecttime = realtime;
1108
1109         if (!sv.loadgame)
1110         {
1111                 // call the progs to get default spawn parms for the new client
1112                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1113                 prog->globals.server->self = 0;
1114                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
1115                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1116                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
1117
1118                 // set up the entity for this client (including .colormap, .team, etc)
1119                 PRVM_ED_ClearEdict(client->edict);
1120         }
1121
1122         // don't call SendServerinfo for a fresh botclient because its fields have
1123         // not been set up by the qc yet
1124         if (client->netconnection)
1125                 SV_SendServerinfo (client);
1126         else
1127                 client->spawned = true;
1128 }
1129
1130
1131 /*
1132 ===============================================================================
1133
1134 FRAME UPDATES
1135
1136 ===============================================================================
1137 */
1138
1139 /*
1140 =============================================================================
1141
1142 The PVS must include a small area around the client to allow head bobbing
1143 or other small motion on the client side.  Otherwise, a bob might cause an
1144 entity that should be visible to not show up, especially when the bob
1145 crosses a waterline.
1146
1147 =============================================================================
1148 */
1149
1150 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1151 {
1152         int i;
1153         unsigned int sendflags;
1154         unsigned int version;
1155         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1156         unsigned int customizeentityforclient;
1157         unsigned int sendentity;
1158         float f;
1159         float *v;
1160         vec3_t cullmins, cullmaxs;
1161         dp_model_t *model;
1162
1163         // fast path for games that do not use legacy entity networking
1164         // note: still networks clients even if they are legacy
1165         sendentity = PRVM_EDICTFIELDFUNCTION(ent, prog->fieldoffsets.SendEntity);
1166         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1167                 return false;
1168
1169         // this 2 billion unit check is actually to detect NAN origins
1170         // (we really don't want to send those)
1171         if (!(VectorLength2(ent->fields.server->origin) < 2000000000.0*2000000000.0))
1172                 return false;
1173
1174         // EF_NODRAW prevents sending for any reason except for your own
1175         // client, so we must keep all clients in this superset
1176         effects = (unsigned)ent->fields.server->effects;
1177
1178         // we can omit invisible entities with no effects that are not clients
1179         // LordHavoc: this could kill tags attached to an invisible entity, I
1180         // just hope we never have to support that case
1181         i = (int)ent->fields.server->modelindex;
1182         modelindex = (i >= 1 && i < MAX_MODELS && ent->fields.server->model && *PRVM_GetString(ent->fields.server->model) && sv.models[i]) ? i : 0;
1183
1184         flags = 0;
1185         i = (int)(PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.glow_size) * 0.25f);
1186         glowsize = (unsigned char)bound(0, i, 255);
1187         if (PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.glow_trail))
1188                 flags |= RENDER_GLOWTRAIL;
1189         if (PRVM_EDICTFIELDEDICT(ent, prog->fieldoffsets.viewmodelforclient))
1190                 flags |= RENDER_VIEWMODEL;
1191
1192         v = PRVM_EDICTFIELDVECTOR(ent, prog->fieldoffsets.color);
1193         f = v[0]*256;
1194         light[0] = (unsigned short)bound(0, f, 65535);
1195         f = v[1]*256;
1196         light[1] = (unsigned short)bound(0, f, 65535);
1197         f = v[2]*256;
1198         light[2] = (unsigned short)bound(0, f, 65535);
1199         f = PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.light_lev);
1200         light[3] = (unsigned short)bound(0, f, 65535);
1201         lightstyle = (unsigned char)PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.style);
1202         lightpflags = (unsigned char)PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.pflags);
1203
1204         if (gamemode == GAME_TENEBRAE)
1205         {
1206                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1207                 if (effects & 16)
1208                 {
1209                         effects &= ~16;
1210                         lightpflags |= PFLAGS_FULLDYNAMIC;
1211                 }
1212                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1213                 if (effects & 32)
1214                 {
1215                         effects &= ~32;
1216                         light[0] = (int)(0.2*256);
1217                         light[1] = (int)(1.0*256);
1218                         light[2] = (int)(0.2*256);
1219                         light[3] = 200;
1220                         lightpflags |= PFLAGS_FULLDYNAMIC;
1221                 }
1222         }
1223
1224         specialvisibilityradius = 0;
1225         if (lightpflags & PFLAGS_FULLDYNAMIC)
1226                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1227         if (glowsize)
1228                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1229         if (flags & RENDER_GLOWTRAIL)
1230                 specialvisibilityradius = max(specialvisibilityradius, 100);
1231         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1232         {
1233                 if (effects & EF_BRIGHTFIELD)
1234                         specialvisibilityradius = max(specialvisibilityradius, 80);
1235                 if (effects & EF_MUZZLEFLASH)
1236                         specialvisibilityradius = max(specialvisibilityradius, 100);
1237                 if (effects & EF_BRIGHTLIGHT)
1238                         specialvisibilityradius = max(specialvisibilityradius, 400);
1239                 if (effects & EF_DIMLIGHT)
1240                         specialvisibilityradius = max(specialvisibilityradius, 200);
1241                 if (effects & EF_RED)
1242                         specialvisibilityradius = max(specialvisibilityradius, 200);
1243                 if (effects & EF_BLUE)
1244                         specialvisibilityradius = max(specialvisibilityradius, 200);
1245                 if (effects & EF_FLAME)
1246                         specialvisibilityradius = max(specialvisibilityradius, 250);
1247                 if (effects & EF_STARDUST)
1248                         specialvisibilityradius = max(specialvisibilityradius, 100);
1249         }
1250
1251         // early culling checks
1252         // (final culling is done by SV_MarkWriteEntityStateToClient)
1253         customizeentityforclient = PRVM_EDICTFIELDFUNCTION(ent, prog->fieldoffsets.customizeentityforclient);
1254         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1255                 return false;
1256
1257         *cs = defaultstate;
1258         cs->active = ACTIVE_NETWORK;
1259         cs->number = enumber;
1260         VectorCopy(ent->fields.server->origin, cs->origin);
1261         VectorCopy(ent->fields.server->angles, cs->angles);
1262         cs->flags = flags;
1263         cs->effects = effects;
1264         cs->colormap = (unsigned)ent->fields.server->colormap;
1265         cs->modelindex = modelindex;
1266         cs->skin = (unsigned)ent->fields.server->skin;
1267         cs->frame = (unsigned)ent->fields.server->frame;
1268         cs->viewmodelforclient = PRVM_EDICTFIELDEDICT(ent, prog->fieldoffsets.viewmodelforclient);
1269         cs->exteriormodelforclient = PRVM_EDICTFIELDEDICT(ent, prog->fieldoffsets.exteriormodeltoclient);
1270         cs->nodrawtoclient = PRVM_EDICTFIELDEDICT(ent, prog->fieldoffsets.nodrawtoclient);
1271         cs->drawonlytoclient = PRVM_EDICTFIELDEDICT(ent, prog->fieldoffsets.drawonlytoclient);
1272         cs->customizeentityforclient = customizeentityforclient;
1273         cs->tagentity = PRVM_EDICTFIELDEDICT(ent, prog->fieldoffsets.tag_entity);
1274         cs->tagindex = (unsigned char)PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.tag_index);
1275         cs->glowsize = glowsize;
1276
1277         // don't need to init cs->colormod because the defaultstate did that for us
1278         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1279         v = PRVM_EDICTFIELDVECTOR(ent, prog->fieldoffsets.colormod);
1280         if (VectorLength2(v))
1281         {
1282                 i = (int)(v[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1283                 i = (int)(v[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1284                 i = (int)(v[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1285         }
1286
1287         // don't need to init cs->glowmod because the defaultstate did that for us
1288         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1289         v = PRVM_EDICTFIELDVECTOR(ent, prog->fieldoffsets.glowmod);
1290         if (VectorLength2(v))
1291         {
1292                 i = (int)(v[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1293                 i = (int)(v[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1294                 i = (int)(v[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1295         }
1296
1297         cs->modelindex = modelindex;
1298
1299         cs->alpha = 255;
1300         f = (PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.alpha) * 255.0f);
1301         if (f)
1302         {
1303                 i = (int)f;
1304                 cs->alpha = (unsigned char)bound(0, i, 255);
1305         }
1306         // halflife
1307         f = (PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.renderamt));
1308         if (f)
1309         {
1310                 i = (int)f;
1311                 cs->alpha = (unsigned char)bound(0, i, 255);
1312         }
1313
1314         cs->scale = 16;
1315         f = (PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.scale) * 16.0f);
1316         if (f)
1317         {
1318                 i = (int)f;
1319                 cs->scale = (unsigned char)bound(0, i, 255);
1320         }
1321
1322         cs->glowcolor = 254;
1323         f = PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.glow_color);
1324         if (f)
1325                 cs->glowcolor = (int)f;
1326
1327         if (PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.fullbright))
1328                 cs->effects |= EF_FULLBRIGHT;
1329
1330         f = PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.modelflags);
1331         if (f)
1332                 cs->effects |= ((unsigned int)f & 0xff) << 24;
1333
1334         if (ent->fields.server->movetype == MOVETYPE_STEP)
1335                 cs->flags |= RENDER_STEP;
1336         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)
1337                 cs->flags |= RENDER_LOWPRECISION;
1338         if (ent->fields.server->colormap >= 1024)
1339                 cs->flags |= RENDER_COLORMAPPED;
1340         if (cs->viewmodelforclient)
1341                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1342
1343         if (PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.sendcomplexanimation))
1344         {
1345                 cs->flags |= RENDER_COMPLEXANIMATION;
1346                 if (PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.skeletonindex) >= 1)
1347                         cs->skeletonobject = ent->priv.server->skeleton;
1348                 cs->framegroupblend[0].frame = PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.frame);
1349                 cs->framegroupblend[1].frame = PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.frame2);
1350                 cs->framegroupblend[2].frame = PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.frame3);
1351                 cs->framegroupblend[3].frame = PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.frame4);
1352                 cs->framegroupblend[0].start = PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.frame1time);
1353                 cs->framegroupblend[1].start = PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.frame2time);
1354                 cs->framegroupblend[2].start = PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.frame3time);
1355                 cs->framegroupblend[3].start = PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.frame4time);
1356                 cs->framegroupblend[1].lerp = PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.lerpfrac);
1357                 cs->framegroupblend[2].lerp = PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.lerpfrac3);
1358                 cs->framegroupblend[3].lerp = PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.lerpfrac4);
1359                 cs->framegroupblend[0].lerp = 1.0f - cs->framegroupblend[1].lerp - cs->framegroupblend[2].lerp - cs->framegroupblend[3].lerp;
1360         }
1361
1362         cs->light[0] = light[0];
1363         cs->light[1] = light[1];
1364         cs->light[2] = light[2];
1365         cs->light[3] = light[3];
1366         cs->lightstyle = lightstyle;
1367         cs->lightpflags = lightpflags;
1368
1369         cs->specialvisibilityradius = specialvisibilityradius;
1370
1371         // calculate the visible box of this entity (don't use the physics box
1372         // as that is often smaller than a model, and would not count
1373         // specialvisibilityradius)
1374         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1375         {
1376                 float scale = cs->scale * (1.0f / 16.0f);
1377                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1378                 {
1379                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1380                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1381                 }
1382                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1383                 {
1384                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1385                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1386                 }
1387                 else
1388                 {
1389                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1390                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1391                 }
1392         }
1393         else
1394         {
1395                 // if there is no model (or it could not be loaded), use the physics box
1396                 VectorAdd(cs->origin, ent->fields.server->mins, cullmins);
1397                 VectorAdd(cs->origin, ent->fields.server->maxs, cullmaxs);
1398         }
1399         if (specialvisibilityradius)
1400         {
1401                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1402                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1403                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1404                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1405                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1406                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1407         }
1408
1409         // calculate center of bbox for network prioritization purposes
1410         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1411
1412         // if culling box has moved, update pvs cluster links
1413         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1414         {
1415                 VectorCopy(cullmins, ent->priv.server->cullmins);
1416                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1417                 // a value of -1 for pvs_numclusters indicates that the links are not
1418                 // cached, and should be re-tested each time, this is the case if the
1419                 // culling box touches too many pvs clusters to store, or if the world
1420                 // model does not support FindBoxClusters
1421                 ent->priv.server->pvs_numclusters = -1;
1422                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1423                 {
1424                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1425                         if (i <= MAX_ENTITYCLUSTERS)
1426                                 ent->priv.server->pvs_numclusters = i;
1427                 }
1428         }
1429
1430         // we need to do some csqc entity upkeep here
1431         // get self.SendFlags and clear them
1432         // (to let the QC know that they've been read)
1433         if (sendentity)
1434         {
1435                 sendflags = (unsigned int)PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.SendFlags);
1436                 PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.SendFlags) = 0;
1437                 // legacy self.Version system
1438                 if ((version = (unsigned int)PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.Version)))
1439                 {
1440                         if (sv.csqcentityversion[enumber] != version)
1441                                 sendflags = 0xFFFFFF;
1442                         sv.csqcentityversion[enumber] = version;
1443                 }
1444                 // move sendflags into the per-client sendflags
1445                 if (sendflags)
1446                         for (i = 0;i < svs.maxclients;i++)
1447                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1448                 // mark it as inactive for non-csqc networking
1449                 cs->active = ACTIVE_SHARED;
1450         }
1451
1452         return true;
1453 }
1454
1455 void SV_PrepareEntitiesForSending(void)
1456 {
1457         int e;
1458         prvm_edict_t *ent;
1459         // send all entities that touch the pvs
1460         sv.numsendentities = 0;
1461         sv.sendentitiesindex[0] = NULL;
1462         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1463         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1464         {
1465                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1466                 {
1467                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1468                         sv.numsendentities++;
1469                 }
1470         }
1471 }
1472
1473 #define MAX_LINEOFSIGHTTRACES 64
1474
1475 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1476 {
1477         float pitchsign;
1478         float alpha;
1479         float starttransformed[3], endtransformed[3];
1480         int blocked = 0;
1481         int traceindex;
1482         int originalnumtouchedicts;
1483         int numtouchedicts = 0;
1484         int touchindex;
1485         matrix4x4_t matrix, imatrix;
1486         dp_model_t *model;
1487         prvm_edict_t *touch;
1488         static prvm_edict_t *touchedicts[MAX_EDICTS];
1489         vec3_t boxmins, boxmaxs;
1490         vec3_t clipboxmins, clipboxmaxs;
1491         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1492
1493         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1494
1495         // expand the box a little
1496         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1497         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1498         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1499         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1500         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1501         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1502
1503         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1504         for (traceindex = 1;traceindex < numtraces;traceindex++)
1505                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1506
1507         // calculate sweep box for the entire swarm of traces
1508         VectorCopy(eye, clipboxmins);
1509         VectorCopy(eye, clipboxmaxs);
1510         for (traceindex = 0;traceindex < numtraces;traceindex++)
1511         {
1512                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1513                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1514                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1515                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1516                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1517                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1518         }
1519
1520         // get the list of entities in the sweep box
1521         if (sv_cullentities_trace_entityocclusion.integer)
1522                 numtouchedicts = World_EntitiesInBox(&sv.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1523         if (numtouchedicts > MAX_EDICTS)
1524         {
1525                 // this never happens
1526                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1527                 numtouchedicts = MAX_EDICTS;
1528         }
1529         // iterate the entities found in the sweep box and filter them
1530         originalnumtouchedicts = numtouchedicts;
1531         numtouchedicts = 0;
1532         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1533         {
1534                 touch = touchedicts[touchindex];
1535                 if (touch->fields.server->solid != SOLID_BSP)
1536                         continue;
1537                 model = SV_GetModelFromEdict(touch);
1538                 if (!model || !model->brush.TraceLineOfSight)
1539                         continue;
1540                 // skip obviously transparent entities
1541                 alpha = PRVM_EDICTFIELDFLOAT(touch, prog->fieldoffsets.alpha);
1542                 if (alpha && alpha < 1)
1543                         continue;
1544                 if ((int)touch->fields.server->effects & EF_ADDITIVE)
1545                         continue;
1546                 touchedicts[numtouchedicts++] = touch;
1547         }
1548
1549         // now that we have a filtered list of "interesting" entities, fire each
1550         // ray against all of them, this gives us an early-out case when something
1551         // is visible (which it often is)
1552
1553         for (traceindex = 0;traceindex < numtraces;traceindex++)
1554         {
1555                 // check world occlusion
1556                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1557                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1558                                 continue;
1559                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1560                 {
1561                         touch = touchedicts[touchindex];
1562                         model = SV_GetModelFromEdict(touch);
1563                         if(model && model->brush.TraceLineOfSight)
1564                         {
1565                                 // get the entity matrix
1566                                 pitchsign = SV_GetPitchSign(touch);
1567                                 Matrix4x4_CreateFromQuakeEntity(&matrix, touch->fields.server->origin[0], touch->fields.server->origin[1], touch->fields.server->origin[2], pitchsign * touch->fields.server->angles[0], touch->fields.server->angles[1], touch->fields.server->angles[2], 1);
1568                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1569                                 // see if the ray hits this entity
1570                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1571                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1572                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1573                                 {
1574                                         blocked++;
1575                                         break;
1576                                 }
1577                         }
1578                 }
1579                 // check if the ray was blocked
1580                 if (touchindex < numtouchedicts)
1581                         continue;
1582                 // return if the ray was not blocked
1583                 return true;
1584         }
1585
1586         // no rays survived
1587         return false;
1588 }
1589
1590 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1591 {
1592         int isbmodel;
1593         dp_model_t *model;
1594         prvm_edict_t *ed;
1595         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1596                 return;
1597         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1598         sv.writeentitiestoclient_stats_totalentities++;
1599
1600         if (s->customizeentityforclient)
1601         {
1602                 prog->globals.server->self = s->number;
1603                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1604                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1605                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1606                         return;
1607         }
1608
1609         // never reject player
1610         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1611         {
1612                 // check various rejection conditions
1613                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1614                         return;
1615                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1616                         return;
1617                 if (s->effects & EF_NODRAW)
1618                         return;
1619                 // LordHavoc: only send entities with a model or important effects
1620                 if (!s->modelindex && s->specialvisibilityradius == 0)
1621                         return;
1622
1623                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1624                 // viewmodels don't have visibility checking
1625                 if (s->viewmodelforclient)
1626                 {
1627                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1628                                 return;
1629                 }
1630                 else if (s->tagentity)
1631                 {
1632                         // tag attached entities simply check their parent
1633                         if (!sv.sendentitiesindex[s->tagentity])
1634                                 return;
1635                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1636                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1637                                 return;
1638                 }
1639                 // always send world submodels in newer protocols because they don't
1640                 // generate much traffic (in old protocols they hog bandwidth)
1641                 // but only if sv_cullentities_nevercullbmodels is off
1642                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1643                 {
1644                         // entity has survived every check so far, check if visible
1645                         ed = PRVM_EDICT_NUM(s->number);
1646
1647                         // if not touching a visible leaf
1648                         if (sv_cullentities_pvs.integer && !r_novis.integer && sv.writeentitiestoclient_pvsbytes)
1649                         {
1650                                 if (ed->priv.server->pvs_numclusters < 0)
1651                                 {
1652                                         // entity too big for clusters list
1653                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1654                                         {
1655                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1656                                                 return;
1657                                         }
1658                                 }
1659                                 else
1660                                 {
1661                                         int i;
1662                                         // check cached clusters list
1663                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1664                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1665                                                         break;
1666                                         if (i == ed->priv.server->pvs_numclusters)
1667                                         {
1668                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1669                                                 return;
1670                                         }
1671                                 }
1672                         }
1673
1674                         // or not seen by random tracelines
1675                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight)
1676                         {
1677                                 int samples =
1678                                         s->number <= svs.maxclients
1679                                                 ? sv_cullentities_trace_samples_players.integer
1680                                                 :
1681                                         s->specialvisibilityradius
1682                                                 ? sv_cullentities_trace_samples_extra.integer
1683                                                 : sv_cullentities_trace_samples.integer;
1684                                 float enlarge = sv_cullentities_trace_enlarge.value;
1685
1686                                 if(samples > 0)
1687                                 {
1688                                         int eyeindex;
1689                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1690                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1691                                                         break;
1692                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1693                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1694                                                         realtime + (
1695                                                                 s->number <= svs.maxclients
1696                                                                         ? sv_cullentities_trace_delay_players.value
1697                                                                         : sv_cullentities_trace_delay.value
1698                                                         );
1699                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1700                                         {
1701                                                 sv.writeentitiestoclient_stats_culled_trace++;
1702                                                 return;
1703                                         }
1704                                 }
1705                         }
1706                 }
1707         }
1708
1709         // this just marks it for sending
1710         // FIXME: it would be more efficient to send here, but the entity
1711         // compressor isn't that flexible
1712         sv.writeentitiestoclient_stats_visibleentities++;
1713         sv.sententities[s->number] = sv.sententitiesmark;
1714 }
1715
1716 #if MAX_LEVELNETWORKEYES > 0
1717 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1718 void SV_AddCameraEyes(void)
1719 {
1720         int e, i, j, k;
1721         prvm_edict_t *ed;
1722         static int cameras[MAX_LEVELNETWORKEYES];
1723         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1724         static int eye_levels[MAX_CLIENTNETWORKEYES];
1725         int n_cameras = 0;
1726         vec3_t mi, ma;
1727
1728         if(!prog->fieldoffsets.camera_transform)
1729                 return;
1730
1731         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1732                 eye_levels[i] = 0;
1733
1734         // check line of sight to portal entities and add them to PVS
1735         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1736         {
1737                 if (!ed->priv.server->free)
1738                 {
1739                         if(PRVM_EDICTFIELDFUNCTION(ed, prog->fieldoffsets.camera_transform))
1740                         {
1741                                 prog->globals.server->self = e;
1742                                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1743                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.trace_endpos));
1744                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1745                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1746                                 PRVM_ExecuteProgram(PRVM_EDICTFIELDFUNCTION(ed, prog->fieldoffsets.camera_transform), "QC function e.camera_transform is missing");
1747                                 if(!VectorCompare(PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.trace_endpos), sv.writeentitiestoclient_eyes[0]))
1748                                 {
1749                                         VectorCopy(PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.trace_endpos), camera_origins[n_cameras]);
1750                                         cameras[n_cameras] = e;
1751                                         ++n_cameras;
1752                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1753                                                 break;
1754                                 }
1755                         }
1756                 }
1757         }
1758
1759         if(!n_cameras)
1760                 return;
1761
1762         // i is loop counter, is reset to 0 when an eye got added
1763         // j is camera index to check
1764         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1765         {
1766                 if(!cameras[j])
1767                         continue;
1768                 ed = PRVM_EDICT_NUM(cameras[j]);
1769                 VectorAdd(ed->fields.server->origin, ed->fields.server->mins, mi);
1770                 VectorAdd(ed->fields.server->origin, ed->fields.server->maxs, ma);
1771                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1772                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1773                 {
1774                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1775                         {
1776                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1777                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1778                                 // 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);
1779                                 sv.writeentitiestoclient_numeyes++;
1780                                 cameras[j] = 0;
1781                                 i = 0;
1782                                 break;
1783                         }
1784                 }
1785         }
1786 }
1787 #else
1788 void SV_AddCameraEyes(void)
1789 {
1790 }
1791 #endif
1792
1793 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1794 {
1795         qboolean need_empty = false;
1796         int i, numsendstates, numcsqcsendstates;
1797         entity_state_t *s;
1798         prvm_edict_t *camera;
1799         qboolean success;
1800         vec3_t eye;
1801
1802         // if there isn't enough space to accomplish anything, skip it
1803         if (msg->cursize + 25 > maxsize)
1804                 return;
1805
1806         sv.writeentitiestoclient_msg = msg;
1807         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1808
1809         sv.writeentitiestoclient_stats_culled_pvs = 0;
1810         sv.writeentitiestoclient_stats_culled_trace = 0;
1811         sv.writeentitiestoclient_stats_visibleentities = 0;
1812         sv.writeentitiestoclient_stats_totalentities = 0;
1813         sv.writeentitiestoclient_numeyes = 0;
1814
1815         // get eye location
1816         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1817         camera = PRVM_EDICT_NUM( client->clientcamera );
1818         VectorAdd(camera->fields.server->origin, clent->fields.server->view_ofs, eye);
1819         sv.writeentitiestoclient_pvsbytes = 0;
1820         // get the PVS values for the eye location, later FatPVS calls will merge
1821         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1822                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1823
1824         // add the eye to a list for SV_CanSeeBox tests
1825         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1826         sv.writeentitiestoclient_numeyes++;
1827
1828         // calculate predicted eye origin for SV_CanSeeBox tests
1829         if (sv_cullentities_trace_prediction.integer)
1830         {
1831                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1832                 vec3_t predeye;
1833                 VectorMA(eye, predtime, camera->fields.server->velocity, predeye);
1834                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1835                 {
1836                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1837                         sv.writeentitiestoclient_numeyes++;
1838                 }
1839                 //if (!sv.writeentitiestoclient_useprediction)
1840                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1841         }
1842
1843         SV_AddCameraEyes();
1844
1845         // build PVS from the new eyes
1846         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1847                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1848                         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);
1849
1850         sv.sententitiesmark++;
1851
1852         for (i = 0;i < sv.numsendentities;i++)
1853                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1854
1855         numsendstates = 0;
1856         numcsqcsendstates = 0;
1857         for (i = 0;i < sv.numsendentities;i++)
1858         {
1859                 s = &sv.sendentities[i];
1860                 if (sv.sententities[s->number] == sv.sententitiesmark)
1861                 {
1862                         if(s->active == ACTIVE_NETWORK)
1863                         {
1864                                 if (s->exteriormodelforclient)
1865                                 {
1866                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1867                                                 s->flags |= RENDER_EXTERIORMODEL;
1868                                         else
1869                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1870                                 }
1871                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1872                         }
1873                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1874                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1875                         else
1876                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1877                 }
1878         }
1879
1880         if (sv_cullentities_stats.integer)
1881                 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);
1882
1883         if(client->entitydatabase5)
1884                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1885         else
1886                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1887
1888         if(client->num_skippedentityframes >= 10)
1889                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1890
1891         if (client->entitydatabase5)
1892                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1893         else if (client->entitydatabase4)
1894         {
1895                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1896                 Protocol_WriteStatsReliable();
1897         }
1898         else if (client->entitydatabase)
1899         {
1900                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1901                 Protocol_WriteStatsReliable();
1902         }
1903         else
1904         {
1905                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1906                 Protocol_WriteStatsReliable();
1907         }
1908
1909         if(success)
1910                 client->num_skippedentityframes = 0;
1911         else
1912                 ++client->num_skippedentityframes;
1913 }
1914
1915 /*
1916 =============
1917 SV_CleanupEnts
1918
1919 =============
1920 */
1921 static void SV_CleanupEnts (void)
1922 {
1923         int             e;
1924         prvm_edict_t    *ent;
1925
1926         ent = PRVM_NEXT_EDICT(prog->edicts);
1927         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1928                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1929 }
1930
1931 /*
1932 ==================
1933 SV_WriteClientdataToMessage
1934
1935 ==================
1936 */
1937 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1938 {
1939         int             bits;
1940         int             i;
1941         prvm_edict_t    *other;
1942         int             items;
1943         vec3_t  punchvector;
1944         int             viewzoom;
1945         const char *s;
1946         float   *statsf = (float *)stats;
1947         float gravity;
1948
1949 //
1950 // send a damage message
1951 //
1952         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1953         {
1954                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1955                 MSG_WriteByte (msg, svc_damage);
1956                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1957                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1958                 for (i=0 ; i<3 ; i++)
1959                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1960
1961                 ent->fields.server->dmg_take = 0;
1962                 ent->fields.server->dmg_save = 0;
1963         }
1964
1965 //
1966 // send the current viewpos offset from the view entity
1967 //
1968         SV_SetIdealPitch ();            // how much to look up / down ideally
1969
1970 // a fixangle might get lost in a dropped packet.  Oh well.
1971         if(ent->fields.server->fixangle)
1972         {
1973                 // angle fixing was requested by global thinking code...
1974                 // so store the current angles for later use
1975                 memcpy(host_client->fixangle_angles, ent->fields.server->angles, sizeof(host_client->fixangle_angles));
1976                 host_client->fixangle_angles_set = TRUE;
1977
1978                 // and clear fixangle for the next frame
1979                 ent->fields.server->fixangle = 0;
1980         }
1981
1982         if (host_client->fixangle_angles_set)
1983         {
1984                 MSG_WriteByte (msg, svc_setangle);
1985                 for (i=0 ; i < 3 ; i++)
1986                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1987                 host_client->fixangle_angles_set = FALSE;
1988         }
1989
1990         // stuff the sigil bits into the high bits of items for sbar, or else
1991         // mix in items2
1992         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1993                 items = (int)ent->fields.server->items | ((int)PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.items2) << 23);
1994         else
1995                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1996
1997         VectorCopy(PRVM_EDICTFIELDVECTOR(ent, prog->fieldoffsets.punchvector), punchvector);
1998
1999         // cache weapon model name and index in client struct to save time
2000         // (this search can be almost 1% of cpu time!)
2001         s = PRVM_GetString(ent->fields.server->weaponmodel);
2002         if (strcmp(s, client->weaponmodel))
2003         {
2004                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
2005                 client->weaponmodelindex = SV_ModelIndex(s, 1);
2006         }
2007
2008         viewzoom = (int)(PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.viewzoom) * 255.0f);
2009         if (viewzoom == 0)
2010                 viewzoom = 255;
2011
2012         bits = 0;
2013
2014         if ((int)ent->fields.server->flags & FL_ONGROUND)
2015                 bits |= SU_ONGROUND;
2016         if (ent->fields.server->waterlevel >= 2)
2017                 bits |= SU_INWATER;
2018         if (ent->fields.server->idealpitch)
2019                 bits |= SU_IDEALPITCH;
2020
2021         for (i=0 ; i<3 ; i++)
2022         {
2023                 if (ent->fields.server->punchangle[i])
2024                         bits |= (SU_PUNCH1<<i);
2025                 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)
2026                         if (punchvector[i])
2027                                 bits |= (SU_PUNCHVEC1<<i);
2028                 if (ent->fields.server->velocity[i])
2029                         bits |= (SU_VELOCITY1<<i);
2030         }
2031
2032         gravity = PRVM_EDICTFIELDFLOAT(ent, prog->fieldoffsets.gravity);if (!gravity) gravity = 1.0f;
2033
2034         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
2035         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
2036         stats[STAT_ITEMS] = items;
2037         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
2038         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
2039         stats[STAT_WEAPON] = client->weaponmodelindex;
2040         stats[STAT_HEALTH] = (int)ent->fields.server->health;
2041         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
2042         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
2043         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
2044         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
2045         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
2046         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
2047         stats[STAT_VIEWZOOM] = viewzoom;
2048         stats[STAT_TOTALSECRETS] = (int)prog->globals.server->total_secrets;
2049         stats[STAT_TOTALMONSTERS] = (int)prog->globals.server->total_monsters;
2050         // the QC bumps these itself by sending svc_'s, so we have to keep them
2051         // zero or they'll be corrected by the engine
2052         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
2053         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
2054
2055         // movement settings for prediction
2056         // note: these are not sent in protocols with lower MAX_CL_STATS limits
2057         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
2058                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
2059                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
2060                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
2061         ;
2062         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
2063         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
2064         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
2065         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
2066         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
2067         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
2068         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
2069         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
2070         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
2071         statsf[STAT_MOVEVARS_ENTGRAVITY] = gravity;
2072         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
2073         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
2074         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
2075         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
2076         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
2077         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
2078         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
2079         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
2080         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
2081         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
2082         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
2083         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
2084         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
2085         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
2086         statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
2087         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
2088         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
2089         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2090         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2091         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2092         statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2093         statsf[STAT_FRAGLIMIT] = fraglimit.value;
2094         statsf[STAT_TIMELIMIT] = timelimit.value;
2095
2096         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2097         {
2098                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2099                 bits |= SU_ITEMS;
2100                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2101                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2102                 bits |= SU_WEAPON;
2103                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2104                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2105                         if (viewzoom != 255)
2106                                 bits |= SU_VIEWZOOM;
2107         }
2108
2109         if (bits >= 65536)
2110                 bits |= SU_EXTEND1;
2111         if (bits >= 16777216)
2112                 bits |= SU_EXTEND2;
2113
2114         // send the data
2115         MSG_WriteByte (msg, svc_clientdata);
2116         MSG_WriteShort (msg, bits);
2117         if (bits & SU_EXTEND1)
2118                 MSG_WriteByte(msg, bits >> 16);
2119         if (bits & SU_EXTEND2)
2120                 MSG_WriteByte(msg, bits >> 24);
2121
2122         if (bits & SU_VIEWHEIGHT)
2123                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2124
2125         if (bits & SU_IDEALPITCH)
2126                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
2127
2128         for (i=0 ; i<3 ; i++)
2129         {
2130                 if (bits & (SU_PUNCH1<<i))
2131                 {
2132                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2133                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
2134                         else
2135                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
2136                 }
2137                 if (bits & (SU_PUNCHVEC1<<i))
2138                 {
2139                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2140                                 MSG_WriteCoord16i(msg, punchvector[i]);
2141                         else
2142                                 MSG_WriteCoord32f(msg, punchvector[i]);
2143                 }
2144                 if (bits & (SU_VELOCITY1<<i))
2145                 {
2146                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2147                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
2148                         else
2149                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
2150                 }
2151         }
2152
2153         if (bits & SU_ITEMS)
2154                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2155
2156         if (sv.protocol == PROTOCOL_DARKPLACES5)
2157         {
2158                 if (bits & SU_WEAPONFRAME)
2159                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2160                 if (bits & SU_ARMOR)
2161                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2162                 if (bits & SU_WEAPON)
2163                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2164                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2165                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2166                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2167                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2168                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2169                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2170                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2171                 if (bits & SU_VIEWZOOM)
2172                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2173         }
2174         else if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2175         {
2176                 if (bits & SU_WEAPONFRAME)
2177                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2178                 if (bits & SU_ARMOR)
2179                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2180                 if (bits & SU_WEAPON)
2181                 {
2182                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2183                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2184                         else
2185                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2186                 }
2187                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2188                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2189                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2190                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2191                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2192                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2193                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
2194                 {
2195                         for (i = 0;i < 32;i++)
2196                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2197                                         break;
2198                         MSG_WriteByte (msg, i);
2199                 }
2200                 else
2201                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2202                 if (bits & SU_VIEWZOOM)
2203                 {
2204                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2205                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2206                         else
2207                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2208                 }
2209         }
2210 }
2211
2212 void SV_FlushBroadcastMessages(void)
2213 {
2214         int i;
2215         client_t *client;
2216         if (sv.datagram.cursize <= 0)
2217                 return;
2218         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2219         {
2220                 if (!client->spawned || !client->netconnection || client->unreliablemsg.cursize + sv.datagram.cursize > client->unreliablemsg.maxsize || client->unreliablemsg_splitpoints >= (int)(sizeof(client->unreliablemsg_splitpoint)/sizeof(client->unreliablemsg_splitpoint[0])))
2221                         continue;
2222                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2223                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2224         }
2225         SZ_Clear(&sv.datagram);
2226 }
2227
2228 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2229 {
2230         // scan the splitpoints to find out how many we can fit in
2231         int numsegments, j, split;
2232         if (!client->unreliablemsg_splitpoints)
2233                 return;
2234         // always accept the first one if it's within 1024 bytes, this ensures
2235         // that very big datagrams which are over the rate limit still get
2236         // through, just to keep it working
2237         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2238                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2239                         break;
2240         // the first segment gets an exemption from the rate limiting, otherwise
2241         // it could get dropped consistently due to a low rate limit
2242         if (numsegments == 1)
2243                 maxsize = maxsize2;
2244         // some will fit, so add the ones that will fit
2245         split = client->unreliablemsg_splitpoint[numsegments-1];
2246         // note this discards ones that were accepted by the segments scan but
2247         // can not fit, such as a really huge first one that will never ever
2248         // fit in a packet...
2249         if (msg->cursize + split <= maxsize)
2250                 SZ_Write(msg, client->unreliablemsg.data, split);
2251         // remove the part we sent, keeping any remaining data
2252         client->unreliablemsg.cursize -= split;
2253         if (client->unreliablemsg.cursize > 0)
2254                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2255         // adjust remaining splitpoints
2256         client->unreliablemsg_splitpoints -= numsegments;
2257         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2258                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2259 }
2260
2261 /*
2262 =======================
2263 SV_SendClientDatagram
2264 =======================
2265 */
2266 static void SV_SendClientDatagram (client_t *client)
2267 {
2268         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2269         sizebuf_t msg;
2270         int stats[MAX_CL_STATS];
2271         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2272
2273         // obey rate limit by limiting packet frequency if the packet size
2274         // limiting fails
2275         // (usually this is caused by reliable messages)
2276         if (!NetConn_CanSend(client->netconnection))
2277                 return;
2278
2279         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2280         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2281         if (sv_maxrate.integer != maxrate)
2282                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2283
2284         // clientrate determines the 'cleartime' of a packet
2285         // (how long to wait before sending another, based on this packet's size)
2286         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2287
2288         switch (sv.protocol)
2289         {
2290         case PROTOCOL_QUAKE:
2291         case PROTOCOL_QUAKEDP:
2292         case PROTOCOL_NEHAHRAMOVIE:
2293         case PROTOCOL_NEHAHRABJP:
2294         case PROTOCOL_NEHAHRABJP2:
2295         case PROTOCOL_NEHAHRABJP3:
2296         case PROTOCOL_QUAKEWORLD:
2297                 // no packet size limit support on Quake protocols because it just
2298                 // causes missing entities/effects
2299                 // packets are simply sent less often to obey the rate limit
2300                 maxsize = 1024;
2301                 maxsize2 = 1024;
2302                 break;
2303         case PROTOCOL_DARKPLACES1:
2304         case PROTOCOL_DARKPLACES2:
2305         case PROTOCOL_DARKPLACES3:
2306         case PROTOCOL_DARKPLACES4:
2307                 // no packet size limit support on DP1-4 protocols because they kick
2308                 // the client off if they overflow, and miss effects
2309                 // packets are simply sent less often to obey the rate limit
2310                 maxsize = sizeof(sv_sendclientdatagram_buf);
2311                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2312                 break;
2313         default:
2314                 // DP5 and later protocols support packet size limiting which is a
2315                 // better method than limiting packet frequency as QW does
2316                 //
2317                 // at very low rates (or very small sys_ticrate) the packet size is
2318                 // not reduced below 128, but packets may be sent less often
2319                 maxsize = (int)(clientrate * sys_ticrate.value);
2320                 maxsize = bound(128, maxsize, 1400);
2321                 maxsize2 = 1400;
2322                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2323                 // mods that use csqc (they are likely to use less bandwidth anyway)
2324                 if (sv.csqc_progsize > 0)
2325                         maxsize = maxsize2;
2326                 break;
2327         }
2328
2329         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2330         {
2331                 // for good singleplayer, send huge packets
2332                 maxsize = sizeof(sv_sendclientdatagram_buf);
2333                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2334                 // never limit frequency in singleplayer
2335                 clientrate = 1000000000;
2336         }
2337
2338         // while downloading, limit entity updates to half the packet
2339         // (any leftover space will be used for downloading)
2340         if (host_client->download_file)
2341                 maxsize /= 2;
2342
2343         msg.data = sv_sendclientdatagram_buf;
2344         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2345         msg.cursize = 0;
2346         msg.allowoverflow = false;
2347
2348         if (host_client->spawned)
2349         {
2350                 // the player is in the game
2351                 MSG_WriteByte (&msg, svc_time);
2352                 MSG_WriteFloat (&msg, sv.time);
2353
2354                 // add the client specific data to the datagram
2355                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2356                 // now update the stats[] array using any registered custom fields
2357                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2358                 // set host_client->statsdeltabits
2359                 Protocol_UpdateClientStats (stats);
2360
2361                 // add as many queued unreliable messages (effects) as we can fit
2362                 // limit effects to half of the remaining space
2363                 if (client->unreliablemsg.cursize)
2364                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2365
2366                 // now write as many entities as we can fit, and also sends stats
2367                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2368         }
2369         else if (realtime > client->keepalivetime)
2370         {
2371                 // the player isn't totally in the game yet
2372                 // send small keepalive messages if too much time has passed
2373                 // (may also be sending downloads)
2374                 client->keepalivetime = realtime + 5;
2375                 MSG_WriteChar (&msg, svc_nop);
2376         }
2377
2378         // if a download is active, see if there is room to fit some download data
2379         // in this packet
2380         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2381         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2382         {
2383                 fs_offset_t downloadstart;
2384                 unsigned char data[1400];
2385                 downloadstart = FS_Tell(host_client->download_file);
2386                 downloadsize = min(downloadsize, (int)sizeof(data));
2387                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2388                 // note this sends empty messages if at the end of the file, which is
2389                 // necessary to keep the packet loss logic working
2390                 // (the last blocks may be lost and need to be re-sent, and that will
2391                 //  only occur if the client acks the empty end messages, revealing
2392                 //  a gap in the download progress, causing the last blocks to be
2393                 //  sent again)
2394                 MSG_WriteChar (&msg, svc_downloaddata);
2395                 MSG_WriteLong (&msg, downloadstart);
2396                 MSG_WriteShort (&msg, downloadsize);
2397                 if (downloadsize > 0)
2398                         SZ_Write (&msg, data, downloadsize);
2399         }
2400
2401         // reliable only if none is in progress
2402         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2403                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2404         // unreliable
2405         SV_WriteDemoMessage(client, &msg, false);
2406
2407 // send the datagram
2408         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2409         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2410                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2411 }
2412
2413 /*
2414 =======================
2415 SV_UpdateToReliableMessages
2416 =======================
2417 */
2418 static void SV_UpdateToReliableMessages (void)
2419 {
2420         int i, j;
2421         client_t *client;
2422         const char *name;
2423         const char *model;
2424         const char *skin;
2425         int clientcamera;
2426
2427 // check for changes to be sent over the reliable streams
2428         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2429         {
2430                 // update the host_client fields we care about according to the entity fields
2431                 host_client->edict = PRVM_EDICT_NUM(i+1);
2432
2433                 // DP_SV_CLIENTNAME
2434                 name = PRVM_GetString(host_client->edict->fields.server->netname);
2435                 if (name == NULL)
2436                         name = "";
2437                 // always point the string back at host_client->name to keep it safe
2438                 strlcpy (host_client->name, name, sizeof (host_client->name));
2439                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
2440                 if (strcmp(host_client->old_name, host_client->name))
2441                 {
2442                         if (host_client->spawned)
2443                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2444                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2445                         // send notification to all clients
2446                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2447                         MSG_WriteByte (&sv.reliable_datagram, i);
2448                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2449                         SV_WriteNetnameIntoDemo(host_client);
2450                 }
2451
2452                 // DP_SV_CLIENTCOLORS
2453                 host_client->colors = (int)PRVM_EDICTFIELDFLOAT(host_client->edict, prog->fieldoffsets.clientcolors);
2454                 if (host_client->old_colors != host_client->colors)
2455                 {
2456                         host_client->old_colors = host_client->colors;
2457                         // send notification to all clients
2458                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2459                         MSG_WriteByte (&sv.reliable_datagram, i);
2460                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2461                 }
2462
2463                 // NEXUIZ_PLAYERMODEL
2464                 if( prog->fieldoffsets.playermodel >= 0 ) {
2465                         model = PRVM_GetString(PRVM_EDICTFIELDSTRING(host_client->edict, prog->fieldoffsets.playermodel));
2466                         if (model == NULL)
2467                                 model = "";
2468                         // always point the string back at host_client->name to keep it safe
2469                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2470                         PRVM_EDICTFIELDSTRING(host_client->edict, prog->fieldoffsets.playermodel) = PRVM_SetEngineString(host_client->playermodel);
2471                 }
2472
2473                 // NEXUIZ_PLAYERSKIN
2474                 if( prog->fieldoffsets.playerskin >= 0 ) {
2475                         skin = PRVM_GetString(PRVM_EDICTFIELDSTRING(host_client->edict, prog->fieldoffsets.playerskin));
2476                         if (skin == NULL)
2477                                 skin = "";
2478                         // always point the string back at host_client->name to keep it safe
2479                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2480                         PRVM_EDICTFIELDSTRING(host_client->edict, prog->fieldoffsets.playerskin) = PRVM_SetEngineString(host_client->playerskin);
2481                 }
2482
2483                 // TODO: add an extension name for this [1/17/2008 Black]
2484                 clientcamera = PRVM_EDICTFIELDEDICT(host_client->edict, prog->fieldoffsets.clientcamera);
2485                 if (clientcamera > 0)
2486                 {
2487                         int oldclientcamera = host_client->clientcamera;
2488                         if (clientcamera >= prog->max_edicts || PRVM_EDICT_NUM(clientcamera)->priv.required->free)
2489                                 clientcamera = PRVM_NUM_FOR_EDICT(host_client->edict);
2490                         host_client->clientcamera = clientcamera;
2491
2492                         if (oldclientcamera != host_client->clientcamera)
2493                         {
2494                                 MSG_WriteByte(&host_client->netconnection->message, svc_setview);
2495                                 MSG_WriteShort(&host_client->netconnection->message, host_client->clientcamera);
2496                         }
2497                 }
2498
2499                 // frags
2500                 host_client->frags = (int)host_client->edict->fields.server->frags;
2501                 if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2502                         if(!host_client->spawned && host_client->netconnection)
2503                                 host_client->frags = -666;
2504                 if (host_client->old_frags != host_client->frags)
2505                 {
2506                         host_client->old_frags = host_client->frags;
2507                         // send notification to all clients
2508                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2509                         MSG_WriteByte (&sv.reliable_datagram, i);
2510                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2511                 }
2512         }
2513
2514         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2515                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2516                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2517
2518         SZ_Clear (&sv.reliable_datagram);
2519 }
2520
2521
2522 /*
2523 =======================
2524 SV_SendClientMessages
2525 =======================
2526 */
2527 void SV_SendClientMessages (void)
2528 {
2529         int i, prepared = false;
2530
2531         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2532                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2533
2534         SV_FlushBroadcastMessages();
2535
2536 // update frags, names, etc
2537         SV_UpdateToReliableMessages();
2538
2539 // build individual updates
2540         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2541         {
2542                 if (!host_client->active)
2543                         continue;
2544                 if (!host_client->netconnection)
2545                         continue;
2546
2547                 if (host_client->netconnection->message.overflowed)
2548                 {
2549                         SV_DropClient (true);   // if the message couldn't send, kick off
2550                         continue;
2551                 }
2552
2553                 if (!prepared)
2554                 {
2555                         prepared = true;
2556                         // only prepare entities once per frame
2557                         SV_PrepareEntitiesForSending();
2558                 }
2559                 SV_SendClientDatagram (host_client);
2560         }
2561
2562 // clear muzzle flashes
2563         SV_CleanupEnts();
2564 }
2565
2566 static void SV_StartDownload_f(void)
2567 {
2568         if (host_client->download_file)
2569                 host_client->download_started = true;
2570 }
2571
2572 /*
2573  * Compression extension negotiation:
2574  *
2575  * Server to client:
2576  *   cl_serverextension_download 2
2577  *
2578  * Client to server:
2579  *   download <filename> <list of zero or more suppported compressions in order of preference>
2580  * e.g.
2581  *   download maps/map1.bsp lzo deflate huffman
2582  *
2583  * Server to client:
2584  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2585  * e.g.
2586  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2587  *
2588  * The server may choose not to compress the file by sending no compression name, like:
2589  *   cl_downloadbegin 345678 maps/map1.bsp
2590  *
2591  * NOTE: the "download" command may only specify compression algorithms if
2592  *       cl_serverextension_download is 2!
2593  *       If cl_serverextension_download has a different value, the client must
2594  *       assume this extension is not supported!
2595  */
2596
2597 static void Download_CheckExtensions(void)
2598 {
2599         int i;
2600         int argc = Cmd_Argc();
2601
2602         // first reset them all
2603         host_client->download_deflate = false;
2604
2605         for(i = 2; i < argc; ++i)
2606         {
2607                 if(!strcmp(Cmd_Argv(i), "deflate"))
2608                 {
2609                         host_client->download_deflate = true;
2610                         break;
2611                 }
2612         }
2613 }
2614
2615 static void SV_Download_f(void)
2616 {
2617         const char *whichpack, *whichpack2, *extension;
2618         qboolean is_csqc; // so we need to check only once
2619
2620         if (Cmd_Argc() < 2)
2621         {
2622                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2623                 SV_ClientPrintf("       supported extensions: deflate\n");
2624                 return;
2625         }
2626
2627         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2628         {
2629                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2630                 return;
2631         }
2632
2633         if (host_client->download_file)
2634         {
2635                 // at this point we'll assume the previous download should be aborted
2636                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2637                 Host_ClientCommands("\nstopdownload\n");
2638
2639                 // close the file and reset variables
2640                 FS_Close(host_client->download_file);
2641                 host_client->download_file = NULL;
2642                 host_client->download_name[0] = 0;
2643                 host_client->download_expectedposition = 0;
2644                 host_client->download_started = false;
2645         }
2646
2647         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2648
2649         if (!sv_allowdownloads.integer && !is_csqc)
2650         {
2651                 SV_ClientPrintf("Downloads are disabled on this server\n");
2652                 Host_ClientCommands("\nstopdownload\n");
2653                 return;
2654         }
2655
2656         Download_CheckExtensions();
2657
2658         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2659         extension = FS_FileExtension(host_client->download_name);
2660
2661         // host_client is asking to download a specified file
2662         if (developer_extra.integer)
2663                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2664
2665         if(is_csqc)
2666         {
2667                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2668                 extensions[0] = '\0';
2669
2670                 if(host_client->download_deflate)
2671                         strlcat(extensions, " deflate", sizeof(extensions));
2672
2673                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2674
2675                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2676                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2677                 else
2678                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2679
2680                 // no, no space is needed between %s and %s :P
2681                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2682
2683                 host_client->download_expectedposition = 0;
2684                 host_client->download_started = false;
2685                 host_client->sendsignon = true; // make sure this message is sent
2686                 return;
2687         }
2688
2689         if (!FS_FileExists(host_client->download_name))
2690         {
2691                 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);
2692                 Host_ClientCommands("\nstopdownload\n");
2693                 return;
2694         }
2695
2696         // check if the user is trying to download part of registered Quake(r)
2697         whichpack = FS_WhichPack(host_client->download_name);
2698         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2699         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2700         {
2701                 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);
2702                 Host_ClientCommands("\nstopdownload\n");
2703                 return;
2704         }
2705
2706         // check if the server has forbidden archive downloads entirely
2707         if (!sv_allowdownloads_inarchive.integer)
2708         {
2709                 whichpack = FS_WhichPack(host_client->download_name);
2710                 if (whichpack)
2711                 {
2712                         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);
2713                         Host_ClientCommands("\nstopdownload\n");
2714                         return;
2715                 }
2716         }
2717
2718         if (!sv_allowdownloads_config.integer)
2719         {
2720                 if (!strcasecmp(extension, "cfg"))
2721                 {
2722                         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);
2723                         Host_ClientCommands("\nstopdownload\n");
2724                         return;
2725                 }
2726         }
2727
2728         if (!sv_allowdownloads_dlcache.integer)
2729         {
2730                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2731                 {
2732                         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);
2733                         Host_ClientCommands("\nstopdownload\n");
2734                         return;
2735                 }
2736         }
2737
2738         if (!sv_allowdownloads_archive.integer)
2739         {
2740                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2741                 {
2742                         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);
2743                         Host_ClientCommands("\nstopdownload\n");
2744                         return;
2745                 }
2746         }
2747
2748         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2749         if (!host_client->download_file)
2750         {
2751                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2752                 Host_ClientCommands("\nstopdownload\n");
2753                 return;
2754         }
2755
2756         if (FS_FileSize(host_client->download_file) > 1<<30)
2757         {
2758                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2759                 Host_ClientCommands("\nstopdownload\n");
2760                 FS_Close(host_client->download_file);
2761                 host_client->download_file = NULL;
2762                 return;
2763         }
2764
2765         if (FS_FileSize(host_client->download_file) < 0)
2766         {
2767                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2768                 Host_ClientCommands("\nstopdownload\n");
2769                 FS_Close(host_client->download_file);
2770                 host_client->download_file = NULL;
2771                 return;
2772         }
2773
2774         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2775
2776         /*
2777          * we can only do this if we would actually deflate on the fly
2778          * which we do not (yet)!
2779         {
2780                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2781                 extensions[0] = '\0';
2782
2783                 if(host_client->download_deflate)
2784                         strlcat(extensions, " deflate", sizeof(extensions));
2785
2786                 // no, no space is needed between %s and %s :P
2787                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2788         }
2789         */
2790         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2791
2792         host_client->download_expectedposition = 0;
2793         host_client->download_started = false;
2794         host_client->sendsignon = true; // make sure this message is sent
2795
2796         // the rest of the download process is handled in SV_SendClientDatagram
2797         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2798         //
2799         // no svc_downloaddata messages will be sent until sv_startdownload is
2800         // sent by the client
2801 }
2802
2803 /*
2804 ==============================================================================
2805
2806 SERVER SPAWNING
2807
2808 ==============================================================================
2809 */
2810
2811 /*
2812 ================
2813 SV_ModelIndex
2814
2815 ================
2816 */
2817 int SV_ModelIndex(const char *s, int precachemode)
2818 {
2819         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);
2820         char filename[MAX_QPATH];
2821         if (!s || !*s)
2822                 return 0;
2823         // testing
2824         //if (precachemode == 2)
2825         //      return 0;
2826         strlcpy(filename, s, sizeof(filename));
2827         for (i = 2;i < limit;i++)
2828         {
2829                 if (!sv.model_precache[i][0])
2830                 {
2831                         if (precachemode)
2832                         {
2833                                 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))
2834                                 {
2835                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2836                                         return 0;
2837                                 }
2838                                 if (precachemode == 1)
2839                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2840                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2841                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2842                                 if (sv.state != ss_loading)
2843                                 {
2844                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2845                                         MSG_WriteShort(&sv.reliable_datagram, i);
2846                                         MSG_WriteString(&sv.reliable_datagram, filename);
2847                                 }
2848                                 return i;
2849                         }
2850                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2851                         return 0;
2852                 }
2853                 if (!strcmp(sv.model_precache[i], filename))
2854                         return i;
2855         }
2856         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2857         return 0;
2858 }
2859
2860 /*
2861 ================
2862 SV_SoundIndex
2863
2864 ================
2865 */
2866 int SV_SoundIndex(const char *s, int precachemode)
2867 {
2868         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);
2869         char filename[MAX_QPATH];
2870         if (!s || !*s)
2871                 return 0;
2872         // testing
2873         //if (precachemode == 2)
2874         //      return 0;
2875         strlcpy(filename, s, sizeof(filename));
2876         for (i = 1;i < limit;i++)
2877         {
2878                 if (!sv.sound_precache[i][0])
2879                 {
2880                         if (precachemode)
2881                         {
2882                                 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))
2883                                 {
2884                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2885                                         return 0;
2886                                 }
2887                                 if (precachemode == 1)
2888                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2889                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2890                                 if (sv.state != ss_loading)
2891                                 {
2892                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2893                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2894                                         MSG_WriteString(&sv.reliable_datagram, filename);
2895                                 }
2896                                 return i;
2897                         }
2898                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2899                         return 0;
2900                 }
2901                 if (!strcmp(sv.sound_precache[i], filename))
2902                         return i;
2903         }
2904         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2905         return 0;
2906 }
2907
2908 /*
2909 ================
2910 SV_ParticleEffectIndex
2911
2912 ================
2913 */
2914 int SV_ParticleEffectIndex(const char *name)
2915 {
2916         int i, argc, linenumber, effectnameindex;
2917         int filepass;
2918         fs_offset_t filesize;
2919         unsigned char *filedata;
2920         const char *text;
2921         const char *textstart;
2922         //const char *textend;
2923         char argv[16][1024];
2924         char filename[MAX_QPATH];
2925         if (!sv.particleeffectnamesloaded)
2926         {
2927                 sv.particleeffectnamesloaded = true;
2928                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2929                 for (i = 0;i < EFFECT_TOTAL;i++)
2930                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2931                 for (filepass = 0;;filepass++)
2932                 {
2933                         if (filepass == 0)
2934                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2935                         else if (filepass == 1)
2936                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
2937                         else
2938                                 break;
2939                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2940                         if (!filedata)
2941                                 continue;
2942                         textstart = (const char *)filedata;
2943                         //textend = (const char *)filedata + filesize;
2944                         text = textstart;
2945                         for (linenumber = 1;;linenumber++)
2946                         {
2947                                 argc = 0;
2948                                 for (;;)
2949                                 {
2950                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2951                                                 break;
2952                                         if (argc < 16)
2953                                         {
2954                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2955                                                 argc++;
2956                                         }
2957                                 }
2958                                 if (com_token[0] == 0)
2959                                         break; // if the loop exited and it's not a \n, it's EOF
2960                                 if (argc < 1)
2961                                         continue;
2962                                 if (!strcmp(argv[0], "effect"))
2963                                 {
2964                                         if (argc == 2)
2965                                         {
2966                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2967                                                 {
2968                                                         if (sv.particleeffectname[effectnameindex][0])
2969                                                         {
2970                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2971                                                                         break;
2972                                                         }
2973                                                         else
2974                                                         {
2975                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2976                                                                 break;
2977                                                         }
2978                                                 }
2979                                                 // if we run out of names, abort
2980                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2981                                                 {
2982                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
2983                                                         break;
2984                                                 }
2985                                         }
2986                                 }
2987                         }
2988                         Mem_Free(filedata);
2989                 }
2990         }
2991         // search for the name
2992         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2993                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2994                         return effectnameindex;
2995         // return 0 if we couldn't find it
2996         return 0;
2997 }
2998
2999 dp_model_t *SV_GetModelByIndex(int modelindex)
3000 {
3001         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3002 }
3003
3004 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
3005 {
3006         int modelindex;
3007         if (!ed || ed->priv.server->free)
3008                 return NULL;
3009         modelindex = (int)ed->fields.server->modelindex;
3010         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
3011 }
3012
3013 /*
3014 ================
3015 SV_CreateBaseline
3016
3017 ================
3018 */
3019 static void SV_CreateBaseline (void)
3020 {
3021         int i, entnum, large;
3022         prvm_edict_t *svent;
3023
3024         // LordHavoc: clear *all* states (note just active ones)
3025         for (entnum = 0;entnum < prog->max_edicts;entnum++)
3026         {
3027                 // get the current server version
3028                 svent = PRVM_EDICT_NUM(entnum);
3029
3030                 // LordHavoc: always clear state values, whether the entity is in use or not
3031                 svent->priv.server->baseline = defaultstate;
3032
3033                 if (svent->priv.server->free)
3034                         continue;
3035                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
3036                         continue;
3037
3038                 // create entity baseline
3039                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
3040                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
3041                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
3042                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
3043                 if (entnum > 0 && entnum <= svs.maxclients)
3044                 {
3045                         svent->priv.server->baseline.colormap = entnum;
3046                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
3047                 }
3048                 else
3049                 {
3050                         svent->priv.server->baseline.colormap = 0;
3051                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
3052                 }
3053
3054                 large = false;
3055                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
3056                 {
3057                         large = true;
3058                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3059                                 large = false;
3060                 }
3061
3062                 // add to the message
3063                 if (large)
3064                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
3065                 else
3066                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
3067                 MSG_WriteShort (&sv.signon, entnum);
3068
3069                 if (large)
3070                 {
3071                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3072                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
3073                 }
3074                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3075                 {
3076                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3077                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3078                 }
3079                 else
3080                 {
3081                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
3082                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3083                 }
3084                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
3085                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
3086                 for (i=0 ; i<3 ; i++)
3087                 {
3088                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3089                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3090                 }
3091         }
3092 }
3093
3094 /*
3095 ================
3096 SV_Prepare_CSQC
3097
3098 Load csprogs.dat and comperss it so it doesn't need to be
3099 reloaded on request.
3100 ================
3101 */
3102 void SV_Prepare_CSQC(void)
3103 {
3104         fs_offset_t progsize;
3105
3106         if(svs.csqc_progdata)
3107         {
3108                 Con_DPrintf("Unloading old CSQC data.\n");
3109                 Mem_Free(svs.csqc_progdata);
3110                 if(svs.csqc_progdata_deflated)
3111                         Mem_Free(svs.csqc_progdata_deflated);
3112         }
3113
3114         svs.csqc_progdata = NULL;
3115         svs.csqc_progdata_deflated = NULL;
3116
3117         sv.csqc_progname[0] = 0;
3118         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3119
3120         if(progsize > 0)
3121         {
3122                 size_t deflated_size;
3123
3124                 sv.csqc_progsize = (int)progsize;
3125                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3126                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3127                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3128
3129                 Con_DPrint("Compressing csprogs.dat\n");
3130                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3131                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3132                 svs.csqc_progsize_deflated = (int)deflated_size;
3133                 if(svs.csqc_progdata_deflated)
3134                 {
3135                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3136                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3137                 }
3138                 else
3139                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3140         }
3141 }
3142
3143 /*
3144 ================
3145 SV_SaveSpawnparms
3146
3147 Grabs the current state of each client for saving across the
3148 transition to another level
3149 ================
3150 */
3151 void SV_SaveSpawnparms (void)
3152 {
3153         int             i, j;
3154
3155         svs.serverflags = (int)prog->globals.server->serverflags;
3156
3157         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3158         {
3159                 if (!host_client->active)
3160                         continue;
3161
3162         // call the progs to get default spawn parms for the new client
3163                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3164                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
3165                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3166                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
3167         }
3168 }
3169
3170 /*
3171 ================
3172 SV_SpawnServer
3173
3174 This is called at the start of each level
3175 ================
3176 */
3177
3178 void SV_SpawnServer (const char *server)
3179 {
3180         prvm_edict_t *ent;
3181         int i;
3182         char *entities;
3183         dp_model_t *worldmodel;
3184         char modelname[sizeof(sv.worldname)];
3185
3186         Con_DPrintf("SpawnServer: %s\n", server);
3187
3188         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3189
3190         if (!FS_FileExists(modelname))
3191         {
3192                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3193                 if (!FS_FileExists(modelname))
3194                 {
3195                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3196                         return;
3197                 }
3198         }
3199
3200         if (cls.state != ca_dedicated)
3201         {
3202                 SCR_BeginLoadingPlaque();
3203                 S_StopAllSounds();
3204         }
3205
3206         if(sv.active)
3207         {
3208                 SV_VM_Begin();
3209                 World_End(&sv.world);
3210                 if(prog->funcoffsets.SV_Shutdown)
3211                 {
3212                         func_t s = prog->funcoffsets.SV_Shutdown;
3213                         prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
3214                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
3215                 }
3216                 SV_VM_End();
3217         }
3218
3219         // free q3 shaders so that any newly downloaded shaders will be active
3220         Mod_FreeQ3Shaders();
3221
3222         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3223         if (!worldmodel || !worldmodel->TraceBox)
3224         {
3225                 Con_Printf("Couldn't load map %s\n", modelname);
3226                 return;
3227         }
3228
3229         Collision_Cache_Reset(true);
3230
3231         // let's not have any servers with no name
3232         if (hostname.string[0] == 0)
3233                 Cvar_Set ("hostname", "UNNAMED");
3234         scr_centertime_off = 0;
3235
3236         svs.changelevel_issued = false;         // now safe to issue another
3237
3238         // make the map a required file for clients
3239         Curl_ClearRequirements();
3240         Curl_RequireFile(modelname);
3241
3242 //
3243 // tell all connected clients that we are going to a new level
3244 //
3245         if (sv.active)
3246         {
3247                 client_t *client;
3248                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3249                 {
3250                         if (client->netconnection)
3251                         {
3252                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3253                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3254                         }
3255                 }
3256         }
3257         else
3258         {
3259                 // open server port
3260                 NetConn_OpenServerPorts(true);
3261         }
3262
3263 //
3264 // make cvars consistant
3265 //
3266         if (coop.integer)
3267                 Cvar_SetValue ("deathmatch", 0);
3268         // LordHavoc: it can be useful to have skills outside the range 0-3...
3269         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3270         //Cvar_SetValue ("skill", (float)current_skill);
3271         current_skill = (int)(skill.value + 0.5);
3272
3273 //
3274 // set up the new server
3275 //
3276         memset (&sv, 0, sizeof(sv));
3277         // if running a local client, make sure it doesn't try to access the last
3278         // level's data which is no longer valiud
3279         cls.signon = 0;
3280
3281         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3282
3283         if(*sv_random_seed.string)
3284         {
3285                 srand(sv_random_seed.integer);
3286                 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);
3287         }
3288
3289         SV_VM_Setup();
3290
3291         sv.active = true;
3292
3293         // set level base name variables for later use
3294         strlcpy (sv.name, server, sizeof (sv.name));
3295         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3296         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3297         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3298         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3299         Cvar_SetQuick(&sv_worldname, sv.worldname);
3300         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3301         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3302
3303         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3304         if (sv.protocol == PROTOCOL_UNKNOWN)
3305         {
3306                 char buffer[1024];
3307                 Protocol_Names(buffer, sizeof(buffer));
3308                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3309                 sv.protocol = PROTOCOL_QUAKE;
3310         }
3311
3312         SV_VM_Begin();
3313
3314 // load progs to get entity field count
3315         //PR_LoadProgs ( sv_progs.string );
3316
3317         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3318         sv.datagram.cursize = 0;
3319         sv.datagram.data = sv.datagram_buf;
3320
3321         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3322         sv.reliable_datagram.cursize = 0;
3323         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3324
3325         sv.signon.maxsize = sizeof(sv.signon_buf);
3326         sv.signon.cursize = 0;
3327         sv.signon.data = sv.signon_buf;
3328
3329 // leave slots at start for clients only
3330         //prog->num_edicts = svs.maxclients+1;
3331
3332         sv.state = ss_loading;
3333         prog->allowworldwrites = true;
3334         sv.paused = false;
3335
3336         prog->globals.server->time = sv.time = 1.0;
3337
3338         Mod_ClearUsed();
3339         worldmodel->used = true;
3340
3341         sv.worldmodel = worldmodel;
3342         sv.models[1] = sv.worldmodel;
3343
3344 //
3345 // clear world interaction links
3346 //
3347         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
3348         World_Start(&sv.world);
3349
3350         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3351
3352         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3353         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3354         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3355         {
3356                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3357                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3358         }
3359         if(i < sv.worldmodel->brush.numsubmodels)
3360                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3361
3362 //
3363 // load the rest of the entities
3364 //
3365         // AK possible hack since num_edicts is still 0
3366         ent = PRVM_EDICT_NUM(0);
3367         memset (ent->fields.server, 0, prog->entityfields * 4);
3368         ent->priv.server->free = false;
3369         ent->fields.server->model = PRVM_SetEngineString(sv.worldname);
3370         ent->fields.server->modelindex = 1;             // world model
3371         ent->fields.server->solid = SOLID_BSP;
3372         ent->fields.server->movetype = MOVETYPE_PUSH;
3373         VectorCopy(sv.world.mins, ent->fields.server->mins);
3374         VectorCopy(sv.world.maxs, ent->fields.server->maxs);
3375         VectorCopy(sv.world.mins, ent->fields.server->absmin);
3376         VectorCopy(sv.world.maxs, ent->fields.server->absmax);
3377
3378         if (coop.value)
3379                 prog->globals.server->coop = coop.integer;
3380         else
3381                 prog->globals.server->deathmatch = deathmatch.integer;
3382
3383         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
3384
3385 // serverflags are for cross level information (sigils)
3386         prog->globals.server->serverflags = svs.serverflags;
3387
3388         // we need to reset the spawned flag on all connected clients here so that
3389         // their thinks don't run during startup (before PutClientInServer)
3390         // we also need to set up the client entities now
3391         // and we need to set the ->edict pointers to point into the progs edicts
3392         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3393         {
3394                 host_client->spawned = false;
3395                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3396                 PRVM_ED_ClearEdict(host_client->edict);
3397         }
3398
3399         // load replacement entity file if found
3400         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3401         {
3402                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3403                 PRVM_ED_LoadFromFile (entities);
3404                 Mem_Free(entities);
3405         }
3406         else
3407                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
3408
3409
3410         // LordHavoc: clear world angles (to fix e3m3.bsp)
3411         VectorClear(prog->edicts->fields.server->angles);
3412
3413 // all setup is completed, any further precache statements are errors
3414 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3415         prog->allowworldwrites = false;
3416
3417 // run two frames to allow everything to settle
3418         prog->globals.server->time = sv.time = 1.0001;
3419         for (i = 0;i < 2;i++)
3420         {
3421                 sv.frametime = 0.1;
3422                 SV_Physics ();
3423         }
3424
3425         if (cls.state == ca_dedicated)
3426                 Mod_PurgeUnused();
3427
3428 // create a baseline for more efficient communications
3429         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)
3430                 SV_CreateBaseline ();
3431
3432         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3433
3434         // to prevent network timeouts
3435         realtime = Sys_DoubleTime();
3436
3437 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3438         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3439         {
3440                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3441                 if (!host_client->active)
3442                         continue;
3443                 if (host_client->netconnection)
3444                         SV_SendServerinfo(host_client);
3445                 else
3446                 {
3447                         int j;
3448                         // if client is a botclient coming from a level change, we need to
3449                         // set up client info that normally requires networking
3450
3451                         // copy spawn parms out of the client_t
3452                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3453                                 (&prog->globals.server->parm1)[j] = host_client->spawn_parms[j];
3454
3455                         // call the spawn function
3456                         host_client->clientconnectcalled = true;
3457                         prog->globals.server->time = sv.time;
3458                         prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3459                         PRVM_ExecuteProgram (prog->globals.server->ClientConnect, "QC function ClientConnect is missing");
3460                         PRVM_ExecuteProgram (prog->globals.server->PutClientInServer, "QC function PutClientInServer is missing");
3461                         host_client->spawned = true;
3462                 }
3463         }
3464
3465         // update the map title cvar
3466         strlcpy(sv.worldmessage, PRVM_GetString(prog->edicts->fields.server->message), sizeof(sv.worldmessage)); // map title (not related to filename)
3467         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3468
3469         Con_DPrint("Server spawned.\n");
3470         NetConn_Heartbeat (2);
3471
3472         SV_VM_End();
3473 }
3474
3475 /////////////////////////////////////////////////////
3476 // SV VM stuff
3477
3478 static void SV_VM_CB_BeginIncreaseEdicts(void)
3479 {
3480         // links don't survive the transition, so unlink everything
3481         World_UnlinkAll(&sv.world);
3482 }
3483
3484 static void SV_VM_CB_EndIncreaseEdicts(void)
3485 {
3486         int i;
3487         prvm_edict_t *ent;
3488
3489         // link every entity except world
3490         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3491                 if (!ent->priv.server->free)
3492                         SV_LinkEdict(ent);
3493 }
3494
3495 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3496 {
3497         // LordHavoc: for consistency set these here
3498         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3499
3500         e->priv.server->move = false; // don't move on first frame
3501
3502         if (num >= 0 && num < svs.maxclients)
3503         {
3504                 // set colormap and team on newly created player entity
3505                 e->fields.server->colormap = num + 1;
3506                 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
3507                 // set netname/clientcolors back to client values so that
3508                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3509                 // reset them
3510                 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
3511                 PRVM_EDICTFIELDFLOAT(e, prog->fieldoffsets.clientcolors) = svs.clients[num].colors;
3512                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3513                 if( prog->fieldoffsets.playermodel >= 0 )
3514                         PRVM_EDICTFIELDSTRING(e, prog->fieldoffsets.playermodel) = PRVM_SetEngineString(svs.clients[num].playermodel);
3515                 if( prog->fieldoffsets.playerskin >= 0 )
3516                         PRVM_EDICTFIELDSTRING(e, prog->fieldoffsets.playerskin) = PRVM_SetEngineString(svs.clients[num].playerskin);
3517                 // Assign netaddress (IP Address, etc)
3518                 if(prog->fieldoffsets.netaddress >= 0)
3519                 { // Valid Field; Process
3520                         if(svs.clients[num].netconnection != NULL)
3521                         {// Valid Address; Assign
3522                                 // Acquire Readable Address
3523                                 LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3524                                 PRVM_EDICTFIELDSTRING(e, prog->fieldoffsets.netaddress) = PRVM_SetEngineString(svs.clients[num].netaddress);
3525                         }
3526                         else
3527                                 // Invalid / Bot
3528                                 PRVM_EDICTFIELDSTRING(e, prog->fieldoffsets.netaddress) = PRVM_SetEngineString("null/botclient");
3529                 }
3530                 if(prog->fieldoffsets.crypto_idfp >= 0)
3531                 { // Valid Field; Process
3532                         if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
3533                                 PRVM_EDICTFIELDSTRING(e, prog->fieldoffsets.crypto_idfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.client_idfp);
3534                         else
3535                                 PRVM_EDICTFIELDSTRING(e, prog->fieldoffsets.crypto_idfp) = 0;
3536                 }
3537                 if(prog->fieldoffsets.crypto_keyfp >= 0)
3538                 { // Valid Field; Process
3539                         if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
3540                                 PRVM_EDICTFIELDSTRING(e, prog->fieldoffsets.crypto_keyfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.client_keyfp);
3541                         else
3542                                 PRVM_EDICTFIELDSTRING(e, prog->fieldoffsets.crypto_keyfp) = 0;
3543                 }
3544                 if(prog->fieldoffsets.crypto_mykeyfp >= 0)
3545                 { // Valid Field; Process
3546                         if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
3547                                 PRVM_EDICTFIELDSTRING(e, prog->fieldoffsets.crypto_mykeyfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.server_keyfp);
3548                         else
3549                                 PRVM_EDICTFIELDSTRING(e, prog->fieldoffsets.crypto_mykeyfp) = 0;
3550                 }
3551                 if(prog->fieldoffsets.crypto_encryptmethod >= 0)
3552                 { // Valid Field; Process
3553                         if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
3554                                 PRVM_EDICTFIELDSTRING(e, prog->fieldoffsets.crypto_encryptmethod) = PRVM_SetEngineString("AES128");
3555                         else
3556                                 PRVM_EDICTFIELDSTRING(e, prog->fieldoffsets.crypto_encryptmethod) = 0;
3557                 }
3558                 if(prog->fieldoffsets.crypto_signmethod >= 0)
3559                 { // Valid Field; Process
3560                         if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
3561                                 PRVM_EDICTFIELDSTRING(e, prog->fieldoffsets.crypto_signmethod) = PRVM_SetEngineString("HMAC-SHA256");
3562                         else
3563                                 PRVM_EDICTFIELDSTRING(e, prog->fieldoffsets.crypto_signmethod) = 0;
3564                 }
3565         }
3566 }
3567
3568 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3569 {
3570         int i;
3571         int e;
3572
3573         World_UnlinkEdict(ed);          // unlink from world bsp
3574
3575         ed->fields.server->model = 0;
3576         ed->fields.server->takedamage = 0;
3577         ed->fields.server->modelindex = 0;
3578         ed->fields.server->colormap = 0;
3579         ed->fields.server->skin = 0;
3580         ed->fields.server->frame = 0;
3581         VectorClear(ed->fields.server->origin);
3582         VectorClear(ed->fields.server->angles);
3583         ed->fields.server->nextthink = -1;
3584         ed->fields.server->solid = 0;
3585
3586         VM_RemoveEdictSkeleton(ed);
3587         World_Physics_RemoveFromEntity(&sv.world, ed);
3588         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3589
3590         // make sure csqc networking is aware of the removed entity
3591         e = PRVM_NUM_FOR_EDICT(ed);
3592         sv.csqcentityversion[e] = 0;
3593         for (i = 0;i < svs.maxclients;i++)
3594         {
3595                 if (svs.clients[i].csqcentityscope[e])
3596                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3597                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3598         }
3599 }
3600
3601 static void SV_VM_CB_CountEdicts(void)
3602 {
3603         int             i;
3604         prvm_edict_t    *ent;
3605         int             active, models, solid, step;
3606
3607         active = models = solid = step = 0;
3608         for (i=0 ; i<prog->num_edicts ; i++)
3609         {
3610                 ent = PRVM_EDICT_NUM(i);
3611                 if (ent->priv.server->free)
3612                         continue;
3613                 active++;
3614                 if (ent->fields.server->solid)
3615                         solid++;
3616                 if (ent->fields.server->model)
3617                         models++;
3618                 if (ent->fields.server->movetype == MOVETYPE_STEP)
3619                         step++;
3620         }
3621
3622         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3623         Con_Printf("active    :%3i\n", active);
3624         Con_Printf("view      :%3i\n", models);
3625         Con_Printf("touch     :%3i\n", solid);
3626         Con_Printf("step      :%3i\n", step);
3627 }
3628
3629 static qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
3630 {
3631         // remove things from different skill levels or deathmatch
3632         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3633         {
3634                 if (deathmatch.integer)
3635                 {
3636                         if (((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
3637                         {
3638                                 return false;
3639                         }
3640                 }
3641                 else if ((current_skill <= 0 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_EASY  ))
3642                         || (current_skill == 1 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_MEDIUM))
3643                         || (current_skill >= 2 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_HARD  )))
3644                 {
3645                         return false;
3646                 }
3647         }
3648         return true;
3649 }
3650
3651 static void SV_VM_Setup(void)
3652 {
3653         PRVM_Begin;
3654         PRVM_InitProg( PRVM_SERVERPROG );
3655
3656         // allocate the mempools
3657         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3658         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3659         prog->builtins = vm_sv_builtins;
3660         prog->numbuiltins = vm_sv_numbuiltins;
3661         prog->headercrc = PROGHEADER_CRC;
3662         prog->headercrc2 = PROGHEADER_CRC_TENEBRAE;
3663         prog->max_edicts = 512;
3664         if (sv.protocol == PROTOCOL_QUAKE)
3665                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3666         else if (sv.protocol == PROTOCOL_QUAKEDP)
3667                 prog->limit_edicts = 2048; // guessing
3668         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3669                 prog->limit_edicts = 2048; // guessing!
3670         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3671                 prog->limit_edicts = 4096; // guessing!
3672         else
3673                 prog->limit_edicts = MAX_EDICTS;
3674         prog->reserved_edicts = svs.maxclients;
3675         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3676         prog->name = "server";
3677         prog->extensionstring = vm_sv_extensions;
3678         prog->loadintoworld = true;
3679
3680         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
3681         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
3682         prog->init_edict = SV_VM_CB_InitEdict;
3683         prog->free_edict = SV_VM_CB_FreeEdict;
3684         prog->count_edicts = SV_VM_CB_CountEdicts;
3685         prog->load_edict = SV_VM_CB_LoadEdict;
3686         prog->init_cmd = VM_SV_Cmd_Init;
3687         prog->reset_cmd = VM_SV_Cmd_Reset;
3688         prog->error_cmd = Host_Error;
3689         prog->ExecuteProgram = SVVM_ExecuteProgram;
3690
3691         PRVM_LoadProgs( sv_progs.string, SV_REQFUNCS, sv_reqfuncs, SV_REQFIELDS, sv_reqfields, SV_REQGLOBALS, sv_reqglobals);
3692
3693         // some mods compiled with scrambling compilers lack certain critical
3694         // global names and field names such as "self" and "time" and "nextthink"
3695         // so we have to set these offsets manually, matching the entvars_t
3696         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3697         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3698         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3699         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3700         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3701         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3702         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3703         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3704         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3705         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3706         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3707         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3708         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3709         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3710         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3711         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3712         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3713         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3714         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3715         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3716         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3717         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3718         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3719         // OP_STATE is always supported on server (due to entvars_t)
3720         prog->flag |= PRVM_OP_STATE;
3721
3722         VM_CustomStats_Clear();//[515]: csqc
3723
3724         PRVM_End;
3725
3726         SV_Prepare_CSQC();
3727 }
3728
3729 void SV_VM_Begin(void)
3730 {
3731         PRVM_Begin;
3732         PRVM_SetProg( PRVM_SERVERPROG );
3733
3734         prog->globals.server->time = (float) sv.time;
3735 }
3736
3737 void SV_VM_End(void)
3738 {
3739         PRVM_End;
3740 }