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 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)"};
  37 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)"};
  38 cvar_t fraglimit = {CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
  39 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
  40 cvar_t noexit = {CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
  41 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
  42 cvar_t pausable = {0, "pausable","1", "allow players to pause or not"};
  43 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)"};
  44 cvar_t samelevel = {CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
  45 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)"};
  46 cvar_t slowmo = {0, "slowmo", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
  47
  48 cvar_t sv_accelerate = {0, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
  49 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"};
  50 cvar_t sv_airaccel_qw = {0, "sv_airaccel_qw", "1", "ratio of QW-style air control as opposed to simple acceleration"};
  51 cvar_t sv_airaccel_sideways_friction = {0, "sv_airaccel_sideways_friction", "", "anti-sideways movement stabilization (reduces speed gain when zigzagging)"};
  52 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"};
  53 cvar_t sv_airstopaccelerate = {0, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
  54 cvar_t sv_airstrafeaccelerate = {0, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
  55 cvar_t sv_maxairstrafespeed = {0, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
  56 cvar_t sv_aircontrol = {0, "sv_aircontrol", "0", "CPMA-style air control"};
  57 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
  58 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
  59 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
  60 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
  61 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
  62 cvar_t sv_areagrid_mingridsize = {CVAR_NOTIFY, "sv_areagrid_mingridsize", "64", "minimum areagrid cell size, smaller values work better for lots of small objects, higher values for large objects"};
  63 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"};
  64 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"};
  65 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)"};
  66 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)"};
  67 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)"};
  68 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!)"};
  69 cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
  70 cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  71 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"};
  72 cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  73 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"};
  74 cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  75 cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
  76 cvar_t sv_cullentities_trace_prediction_time = {0, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
  77 cvar_t sv_cullentities_trace_entityocclusion = {0, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
  78 cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
  79 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"};
  80 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"};
  81 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
  82 cvar_t sv_echobprint = {CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
  83 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)"};
  84 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)"};
  85 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)"};
  86 cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
  87 cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
  88 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"};
  89 cvar_t sv_gameplayfix_consistentplayerprethink = {0, "sv_gameplayfix_consistentplayerprethink", "1", "improves fairness in multiplayer by running all PlayerPreThink functions (which fire weapons) before performing physics, then runing all PlayerPostThink functions"};
  90 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"};
  91 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)"};
  92 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"};
  93 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)"};
  94 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"};
  95 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
  96 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
  97 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"};
  98 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"};
  99 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)"};
 100 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)"};
 101 cvar_t sv_gameplayfix_nudgeoutofsolid_bias = {0, "sv_gameplayfix_nudgeoutofsolid_bias", "0", "over-correction on nudgeoutofsolid logic, to prevent constant contact"};
 102 cvar_t sv_gameplayfix_q2airaccelerate = {0, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
 103 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"};
 104 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"};
 105 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)"};
 106 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)"};
 107 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"};
 108 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"};
 109 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)"};
 110 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 111 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 112 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
 113 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 114 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)"};
 115 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 116 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 117 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 118 cvar_t sv_newflymove = {CVAR_NOTIFY, "sv_newflymove", "0", "enables simpler/buggier player physics (not recommended)"};
 119 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 120 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 121 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 122 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 123 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"};
 124 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)"};
 125 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)"};
 126 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)"};
 127 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 128 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 129 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 130 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"};
 131 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"};
 132 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 133 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)"};
 134 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 135 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)"};
 136 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"};
 137 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
 138 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"};
 139 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"};
 140 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 141
 142 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 143 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 144 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 145 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 146 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 147 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 148 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 149 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 150 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 151 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)"};
 152
 153 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 154 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 155 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 156 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 157 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 158 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 159 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 160 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 161 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 162 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 163 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 164 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 165 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 166 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 167 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 168 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 169 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 170 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 171 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 172 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 173 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 174
 175 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)"};
 176 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)" };
 177
 178 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 179
 180 server_t sv;
 181 server_static_t svs;
 182
 183 mempool_t *sv_mempool = NULL;
 184
 185 extern cvar_t slowmo;
 186 extern float            scr_centertime_off;
 187
 188 // MUST match effectnameindex_t in client.h
 189 static const char *standardeffectnames[EFFECT_TOTAL] =
 190 {
 191         "",
 192         "TE_GUNSHOT",
 193         "TE_GUNSHOTQUAD",
 194         "TE_SPIKE",
 195         "TE_SPIKEQUAD",
 196         "TE_SUPERSPIKE",
 197         "TE_SUPERSPIKEQUAD",
 198         "TE_WIZSPIKE",
 199         "TE_KNIGHTSPIKE",
 200         "TE_EXPLOSION",
 201         "TE_EXPLOSIONQUAD",
 202         "TE_TAREXPLOSION",
 203         "TE_TELEPORT",
 204         "TE_LAVASPLASH",
 205         "TE_SMALLFLASH",
 206         "TE_FLAMEJET",
 207         "EF_FLAME",
 208         "TE_BLOOD",
 209         "TE_SPARK",
 210         "TE_PLASMABURN",
 211         "TE_TEI_G3",
 212         "TE_TEI_SMOKE",
 213         "TE_TEI_BIGEXPLOSION",
 214         "TE_TEI_PLASMAHIT",
 215         "EF_STARDUST",
 216         "TR_ROCKET",
 217         "TR_GRENADE",
 218         "TR_BLOOD",
 219         "TR_WIZSPIKE",
 220         "TR_SLIGHTBLOOD",
 221         "TR_KNIGHTSPIKE",
 222         "TR_VORESPIKE",
 223         "TR_NEHAHRASMOKE",
 224         "TR_NEXUIZPLASMA",
 225         "TR_GLOWTRAIL",
 226         "SVC_PARTICLE"
 227 };
 228
 229 #define REQFIELDS (sizeof(reqfields) / sizeof(prvm_required_field_t))
 230
 231 prvm_required_field_t reqfields[] =
 232 {
 233         {ev_entity, "cursor_trace_ent"},
 234         {ev_entity, "drawonlytoclient"},
 235         {ev_entity, "exteriormodeltoclient"},
 236         {ev_entity, "nodrawtoclient"},
 237         {ev_entity, "tag_entity"},
 238         {ev_entity, "viewmodelforclient"},
 239         {ev_float, "SendFlags"},
 240         {ev_float, "Version"},
 241         {ev_float, "alpha"},
 242         {ev_float, "ammo_cells1"},
 243         {ev_float, "ammo_lava_nails"},
 244         {ev_float, "ammo_multi_rockets"},
 245         {ev_float, "ammo_nails1"},
 246         {ev_float, "ammo_plasma"},
 247         {ev_float, "ammo_rockets1"},
 248         {ev_float, "ammo_shells1"},
 249         {ev_float, "button3"},
 250         {ev_float, "button4"},
 251         {ev_float, "button5"},
 252         {ev_float, "button6"},
 253         {ev_float, "button7"},
 254         {ev_float, "button8"},
 255         {ev_float, "button9"},
 256         {ev_float, "button10"},
 257         {ev_float, "button11"},
 258         {ev_float, "button12"},
 259         {ev_float, "button13"},
 260         {ev_float, "button14"},
 261         {ev_float, "button15"},
 262         {ev_float, "button16"},
 263         {ev_float, "buttonchat"},
 264         {ev_float, "buttonuse"},
 265         {ev_float, "clientcolors"},
 266         {ev_float, "cursor_active"},
 267         {ev_float, "disableclientprediction"},
 268         {ev_float, "fullbright"},
 269         {ev_float, "glow_color"},
 270         {ev_float, "glow_size"},
 271         {ev_float, "glow_trail"},
 272         {ev_float, "gravity"},
 273         {ev_float, "idealpitch"},
 274         {ev_float, "items2"},
 275         {ev_float, "light_lev"},
 276         {ev_float, "modelflags"},
 277         {ev_float, "pflags"},
 278         {ev_float, "ping"},
 279         {ev_float, "pitch_speed"},
 280         {ev_float, "pmodel"},
 281         {ev_float, "renderamt"}, // HalfLife support
 282         {ev_float, "rendermode"}, // HalfLife support
 283         {ev_float, "scale"},
 284         {ev_float, "style"},
 285         {ev_float, "tag_index"},
 286         {ev_float, "viewzoom"},
 287         {ev_function, "SendEntity"},
 288         {ev_function, "contentstransition"}, // DRESK - Support for Entity Contents Transition Event
 289         {ev_function, "customizeentityforclient"},
 290         {ev_function, "movetypesteplandevent"}, // DRESK - Support for MOVETYPE_STEP Entity Land Event
 291         {ev_string, "netaddress"},
 292         {ev_string, "playermodel"},
 293         {ev_string, "playerskin"},
 294         {ev_vector, "color"},
 295         {ev_vector, "colormod"},
 296         {ev_vector, "cursor_screen"},
 297         {ev_vector, "cursor_trace_endpos"},
 298         {ev_vector, "cursor_trace_start"},
 299         {ev_vector, "glowmod"},
 300         {ev_vector, "movement"},
 301         {ev_vector, "punchvector"},
 302
 303         // physics
 304         //{ev_float, "solid"},
 305         //{ev_float, "movetype"},
 306         //{ev_float, "modelindex"},
 307         {ev_vector, "mass"},
 308         //{ev_vector, "origin"},
 309         //{ev_vector, "velocity"},
 310         //{ev_vector, "axis_forward"},
 311         //{ev_vector, "axis_left"},
 312         //{ev_vector, "axis_up"},
 313         //{ev_vector, "spinvelocity"},
 314         //{ev_vector, "angles"},
 315         //{ev_vector, "avelocity"},
 316
 317 };
 318
 319
 320
 321 //============================================================================
 322
 323 void SV_AreaStats_f(void)
 324 {
 325         World_PrintAreaStats(&sv.world, "server");
 326 }
 327
 328 /*
 329 ===============
 330 SV_Init
 331 ===============
 332 */
 333 void SV_Init (void)
 334 {
 335         // init the csqc progs cvars, since they are updated/used by the server code
 336         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 337         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 338         extern cvar_t csqc_progcrc;
 339         extern cvar_t csqc_progsize;
 340         Cvar_RegisterVariable (&csqc_progname);
 341         Cvar_RegisterVariable (&csqc_progcrc);
 342         Cvar_RegisterVariable (&csqc_progsize);
 343
 344         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 345         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 346         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 347         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
 348
 349         Cvar_RegisterVariable (&coop);
 350         Cvar_RegisterVariable (&deathmatch);
 351         Cvar_RegisterVariable (&fraglimit);
 352         Cvar_RegisterVariable (&gamecfg);
 353         Cvar_RegisterVariable (&noexit);
 354         Cvar_RegisterVariable (&nomonsters);
 355         Cvar_RegisterVariable (&pausable);
 356         Cvar_RegisterVariable (&pr_checkextension);
 357         Cvar_RegisterVariable (&samelevel);
 358         Cvar_RegisterVariable (&skill);
 359         Cvar_RegisterVariable (&slowmo);
 360         Cvar_RegisterVariable (&sv_accelerate);
 361         Cvar_RegisterVariable (&sv_aim);
 362         Cvar_RegisterVariable (&sv_airaccel_qw);
 363         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 364         Cvar_RegisterVariable (&sv_airaccelerate);
 365         Cvar_RegisterVariable (&sv_airstopaccelerate);
 366         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 367         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 368         Cvar_RegisterVariable (&sv_aircontrol);
 369         Cvar_RegisterVariable (&sv_allowdownloads);
 370         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 371         Cvar_RegisterVariable (&sv_allowdownloads_config);
 372         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 373         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 374         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 375         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 376         Cvar_RegisterVariable (&sv_clmovement_enable);
 377         Cvar_RegisterVariable (&sv_clmovement_minping);
 378         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 379         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 380         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 381         Cvar_RegisterVariable (&sv_cullentities_pvs);
 382         Cvar_RegisterVariable (&sv_cullentities_stats);
 383         Cvar_RegisterVariable (&sv_cullentities_trace);
 384         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 385         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 386         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 387         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 388         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 389         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 390         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 391         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 392         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 393         Cvar_RegisterVariable (&sv_debugmove);
 394         Cvar_RegisterVariable (&sv_echobprint);
 395         Cvar_RegisterVariable (&sv_edgefriction);
 396         Cvar_RegisterVariable (&sv_entpatch);
 397         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 398         Cvar_RegisterVariable (&sv_freezenonclients);
 399         Cvar_RegisterVariable (&sv_friction);
 400         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 401         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
 402         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 403         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 404         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 405         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 406         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 407         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 408         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 409         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 410         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 411         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 412         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
 413         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_bias);
 414         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 415         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 416         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 417         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 418         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
 419         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 420         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 421         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
 422         Cvar_RegisterVariable (&sv_gravity);
 423         Cvar_RegisterVariable (&sv_idealpitchscale);
 424         Cvar_RegisterVariable (&sv_jumpstep);
 425         Cvar_RegisterVariable (&sv_jumpvelocity);
 426         Cvar_RegisterVariable (&sv_maxairspeed);
 427         Cvar_RegisterVariable (&sv_maxrate);
 428         Cvar_RegisterVariable (&sv_maxspeed);
 429         Cvar_RegisterVariable (&sv_maxvelocity);
 430         Cvar_RegisterVariable (&sv_newflymove);
 431         Cvar_RegisterVariable (&sv_nostep);
 432         Cvar_RegisterVariable (&sv_playerphysicsqc);
 433         Cvar_RegisterVariable (&sv_progs);
 434         Cvar_RegisterVariable (&sv_protocolname);
 435         Cvar_RegisterVariable (&sv_random_seed);
 436         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
 437         Cvar_RegisterVariable (&sv_sound_land);
 438         Cvar_RegisterVariable (&sv_sound_watersplash);
 439         Cvar_RegisterVariable (&sv_stepheight);
 440         Cvar_RegisterVariable (&sv_stopspeed);
 441         Cvar_RegisterVariable (&sv_wallfriction);
 442         Cvar_RegisterVariable (&sv_wateraccelerate);
 443         Cvar_RegisterVariable (&sv_waterfriction);
 444         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 445         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 446         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 447         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 448         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 449         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 450         Cvar_RegisterVariable (&sys_ticrate);
 451         Cvar_RegisterVariable (&teamplay);
 452         Cvar_RegisterVariable (&timelimit);
 453
 454         Cvar_RegisterVariable (&saved1);
 455         Cvar_RegisterVariable (&saved2);
 456         Cvar_RegisterVariable (&saved3);
 457         Cvar_RegisterVariable (&saved4);
 458         Cvar_RegisterVariable (&savedgamecfg);
 459         Cvar_RegisterVariable (&scratch1);
 460         Cvar_RegisterVariable (&scratch2);
 461         Cvar_RegisterVariable (&scratch3);
 462         Cvar_RegisterVariable (&scratch4);
 463         Cvar_RegisterVariable (&temp1);
 464
 465         // LordHavoc: Nehahra uses these to pass data around cutscene demos
 466         if (gamemode == GAME_NEHAHRA)
 467         {
 468                 Cvar_RegisterVariable (&nehx00);
 469                 Cvar_RegisterVariable (&nehx01);
 470                 Cvar_RegisterVariable (&nehx02);
 471                 Cvar_RegisterVariable (&nehx03);
 472                 Cvar_RegisterVariable (&nehx04);
 473                 Cvar_RegisterVariable (&nehx05);
 474                 Cvar_RegisterVariable (&nehx06);
 475                 Cvar_RegisterVariable (&nehx07);
 476                 Cvar_RegisterVariable (&nehx08);
 477                 Cvar_RegisterVariable (&nehx09);
 478                 Cvar_RegisterVariable (&nehx10);
 479                 Cvar_RegisterVariable (&nehx11);
 480                 Cvar_RegisterVariable (&nehx12);
 481                 Cvar_RegisterVariable (&nehx13);
 482                 Cvar_RegisterVariable (&nehx14);
 483                 Cvar_RegisterVariable (&nehx15);
 484                 Cvar_RegisterVariable (&nehx16);
 485                 Cvar_RegisterVariable (&nehx17);
 486                 Cvar_RegisterVariable (&nehx18);
 487                 Cvar_RegisterVariable (&nehx19);
 488         }
 489         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 490
 491         Cvar_RegisterVariable (&sv_autodemo_perclient);
 492         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 493
 494         Cvar_RegisterVariable (&halflifebsp);
 495
 496         // any special defaults for gamemodes go here
 497         if (gamemode == GAME_NEHAHRA)
 498         {
 499                 // Nehahra pushable crates malfunction in some levels if this is on
 500                 Cvar_SetValueQuick (&sv_gameplayfix_upwardvelocityclearsongroundflag, 0);
 501                 // Nehahra NPC AI is confused by this feature
 502                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
 503         }
 504         if (gamemode == GAME_HIPNOTIC)
 505         {
 506                 // hipnotic mission pack has issues in their 'friendly monster' ai, which seem to attempt to attack themselves for some reason when findradius() returns non-solid entities.
 507                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
 508                 // hipnotic mission pack has issues with bobbing water entities 'jittering' between different heights on alternate frames at the default 0.0138889 ticrate, 0.02 avoids this issue
 509                 Cvar_SetValueQuick (&sys_ticrate, 0.02);
 510                 // hipnotic mission pack has issues in their proximity mine sticking code, which causes them to bounce off.
 511                 Cvar_SetValueQuick (&sv_gameplayfix_slidemoveprojectiles, 0);
 512         }
 513         if (gamemode == GAME_ROGUE)
 514         {
 515                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
 516                 Cvar_SetValueQuick (&sv_gameplayfix_findradiusdistancetobox, 0);
 517         }
 518         if (gamemode == GAME_NEXUIZ)
 519         {
 520                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
 521                 Cvar_SetValueQuick (&sv_gameplayfix_q2airaccelerate, 1);
 522         }
 523
 524         sv_mempool = Mem_AllocPool("server", 0, NULL);
 525 }
 526
 527 static void SV_SaveEntFile_f(void)
 528 {
 529         char basename[MAX_QPATH];
 530         if (!sv.active || !sv.worldmodel)
 531         {
 532                 Con_Print("Not running a server\n");
 533                 return;
 534         }
 535         FS_StripExtension(sv.worldmodel->name, basename, sizeof(basename));
 536         FS_WriteFile(va("%s.ent", basename), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 537 }
 538
 539
 540 /*
 541 =============================================================================
 542
 543 EVENT MESSAGES
 544
 545 =============================================================================
 546 */
 547
 548 /*
 549 ==================
 550 SV_StartParticle
 551
 552 Make sure the event gets sent to all clients
 553 ==================
 554 */
 555 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 556 {
 557         int i;
 558
 559         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 560                 return;
 561         MSG_WriteByte (&sv.datagram, svc_particle);
 562         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 563         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 564         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 565         for (i=0 ; i<3 ; i++)
 566                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 567         MSG_WriteByte (&sv.datagram, count);
 568         MSG_WriteByte (&sv.datagram, color);
 569         SV_FlushBroadcastMessages();
 570 }
 571
 572 /*
 573 ==================
 574 SV_StartEffect
 575
 576 Make sure the event gets sent to all clients
 577 ==================
 578 */
 579 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 580 {
 581         if (modelindex >= 256 || startframe >= 256)
 582         {
 583                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 584                         return;
 585                 MSG_WriteByte (&sv.datagram, svc_effect2);
 586                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 587                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 588                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 589                 MSG_WriteShort (&sv.datagram, modelindex);
 590                 MSG_WriteShort (&sv.datagram, startframe);
 591                 MSG_WriteByte (&sv.datagram, framecount);
 592                 MSG_WriteByte (&sv.datagram, framerate);
 593         }
 594         else
 595         {
 596                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 597                         return;
 598                 MSG_WriteByte (&sv.datagram, svc_effect);
 599                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 600                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 601                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 602                 MSG_WriteByte (&sv.datagram, modelindex);
 603                 MSG_WriteByte (&sv.datagram, startframe);
 604                 MSG_WriteByte (&sv.datagram, framecount);
 605                 MSG_WriteByte (&sv.datagram, framerate);
 606         }
 607         SV_FlushBroadcastMessages();
 608 }
 609
 610 /*
 611 ==================
 612 SV_StartSound
 613
 614 Each entity can have eight independant sound sources, like voice,
 615 weapon, feet, etc.
 616
 617 Channel 0 is an auto-allocate channel, the others override anything
 618 already running on that entity/channel pair.
 619
 620 An attenuation of 0 will play full volume everywhere in the level.
 621 Larger attenuations will drop off.  (max 4 attenuation)
 622
 623 ==================
 624 */
 625 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
 626 {
 627         int sound_num, field_mask, i, ent;
 628
 629         if (volume < 0 || volume > 255)
 630         {
 631                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
 632                 return;
 633         }
 634
 635         if (attenuation < 0 || attenuation > 4)
 636         {
 637                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 638                 return;
 639         }
 640
 641         if (channel < 0 || channel > 7)
 642         {
 643                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 644                 return;
 645         }
 646
 647         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 648                 return;
 649
 650 // find precache number for sound
 651         sound_num = SV_SoundIndex(sample, 1);
 652         if (!sound_num)
 653                 return;
 654
 655         ent = PRVM_NUM_FOR_EDICT(entity);
 656
 657         field_mask = 0;
 658         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 659                 field_mask |= SND_VOLUME;
 660         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 661                 field_mask |= SND_ATTENUATION;
 662         if (ent >= 8192)
 663                 field_mask |= SND_LARGEENTITY;
 664         if (sound_num >= 256 || channel >= 8)
 665                 field_mask |= SND_LARGESOUND;
 666
 667 // directed messages go only to the entity they are targeted on
 668         MSG_WriteByte (&sv.datagram, svc_sound);
 669         MSG_WriteByte (&sv.datagram, field_mask);
 670         if (field_mask & SND_VOLUME)
 671                 MSG_WriteByte (&sv.datagram, volume);
 672         if (field_mask & SND_ATTENUATION)
 673                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 674         if (field_mask & SND_LARGEENTITY)
 675         {
 676                 MSG_WriteShort (&sv.datagram, ent);
 677                 MSG_WriteByte (&sv.datagram, channel);
 678         }
 679         else
 680                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
 681         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 682                 MSG_WriteShort (&sv.datagram, sound_num);
 683         else
 684                 MSG_WriteByte (&sv.datagram, sound_num);
 685         for (i = 0;i < 3;i++)
 686                 MSG_WriteCoord (&sv.datagram, entity->fields.server->origin[i]+0.5*(entity->fields.server->mins[i]+entity->fields.server->maxs[i]), sv.protocol);
 687         SV_FlushBroadcastMessages();
 688 }
 689
 690 /*
 691 ==================
 692 SV_StartPointSound
 693
 694 Nearly the same logic as SV_StartSound, except an origin
 695 instead of an entity is provided and channel is omitted.
 696
 697 The entity sent to the client is 0 (world) and the channel
 698 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 699 function, therefore the check for it is omitted.
 700
 701 ==================
 702 */
 703 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation)
 704 {
 705         int sound_num, field_mask, i;
 706
 707         if (volume < 0 || volume > 255)
 708         {
 709                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
 710                 return;
 711         }
 712
 713         if (attenuation < 0 || attenuation > 4)
 714         {
 715                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 716                 return;
 717         }
 718
 719         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 720                 return;
 721
 722         // find precache number for sound
 723         sound_num = SV_SoundIndex(sample, 1);
 724         if (!sound_num)
 725                 return;
 726
 727         field_mask = 0;
 728         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 729                 field_mask |= SND_VOLUME;
 730         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 731                 field_mask |= SND_ATTENUATION;
 732         if (sound_num >= 256)
 733                 field_mask |= SND_LARGESOUND;
 734
 735 // directed messages go only to the entity they are targeted on
 736         MSG_WriteByte (&sv.datagram, svc_sound);
 737         MSG_WriteByte (&sv.datagram, field_mask);
 738         if (field_mask & SND_VOLUME)
 739                 MSG_WriteByte (&sv.datagram, volume);
 740         if (field_mask & SND_ATTENUATION)
 741                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 742         // Always write entnum 0 for the world entity
 743         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 744         if (field_mask & SND_LARGESOUND)
 745                 MSG_WriteShort (&sv.datagram, sound_num);
 746         else
 747                 MSG_WriteByte (&sv.datagram, sound_num);
 748         for (i = 0;i < 3;i++)
 749                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 750         SV_FlushBroadcastMessages();
 751 }
 752
 753 /*
 754 ==============================================================================
 755
 756 CLIENT SPAWNING
 757
 758 ==============================================================================
 759 */
 760
 761 /*
 762 ================
 763 SV_SendServerinfo
 764
 765 Sends the first message from the server to a connected client.
 766 This will be sent on the initial connection and upon each server load.
 767 ================
 768 */
 769 void SV_SendServerinfo (client_t *client)
 770 {
 771         int i;
 772         char message[128];
 773
 774         // we know that this client has a netconnection and thus is not a bot
 775
 776         // edicts get reallocated on level changes, so we need to update it here
 777         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 778
 779         // clear cached stuff that depends on the level
 780         client->weaponmodel[0] = 0;
 781         client->weaponmodelindex = 0;
 782
 783         // LordHavoc: clear entityframe tracking
 784         client->latestframenum = 0;
 785
 786         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 787         client->cmd.time = sv.time;
 788
 789         if (client->entitydatabase)
 790                 EntityFrame_FreeDatabase(client->entitydatabase);
 791         if (client->entitydatabase4)
 792                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 793         if (client->entitydatabase5)
 794                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 795
 796         memset(client->stats, 0, sizeof(client->stats));
 797         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 798
 799         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)
 800         {
 801                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 802                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 803                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 804                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 805                 else
 806                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 807         }
 808
 809         // reset csqc entity versions
 810         for (i = 0;i < prog->max_edicts;i++)
 811         {
 812                 client->csqcentityscope[i] = 0;
 813                 client->csqcentitysendflags[i] = 0xFFFFFF;
 814                 client->csqcentityglobalhistory[i] = 0;
 815         }
 816         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 817         {
 818                 client->csqcentityframehistory[i].num = 0;
 819                 client->csqcentityframehistory[i].framenum = -1;
 820         }
 821         client->csqcnumedicts = 0;
 822         client->csqcentityframehistory_next = 0;
 823
 824         SZ_Clear (&client->netconnection->message);
 825         MSG_WriteByte (&client->netconnection->message, svc_print);
 826         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)", gamename, buildstring, prog->filecrc);
 827         MSG_WriteString (&client->netconnection->message,message);
 828
 829         SV_StopDemoRecording(client); // to split up demos into different files
 830         if(sv_autodemo_perclient.integer && client->netconnection)
 831         {
 832                 char demofile[MAX_OSPATH];
 833                 char levelname[MAX_QPATH];
 834                 char ipaddress[MAX_QPATH];
 835                 size_t i;
 836
 837                 // start a new demo file
 838                 strlcpy(levelname, FS_FileWithoutPath(sv.worldmodel->name), sizeof(levelname));
 839                 if (strrchr(levelname, '.'))
 840                         *(strrchr(levelname, '.')) = 0;
 841
 842                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 843                 for(i = 0; ipaddress[i]; ++i)
 844                         if(!isalnum(ipaddress[i]))
 845                                 ipaddress[i] = '-';
 846                 dpsnprintf (demofile, sizeof(demofile), "%s_%s_%d_%s.dem", Sys_TimeString (sv_autodemo_perclient_nameformat.string), levelname, PRVM_NUM_FOR_EDICT(client->edict), ipaddress);
 847
 848                 SV_StartDemoRecording(client, demofile, -1);
 849         }
 850
 851         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 852         if (sv.csqc_progname[0])
 853         {
 854                 prvm_eval_t *val;
 855                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 856                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 857                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
 858                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 859                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
 860                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 861                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
 862
 863                 if(client->sv_demo_file != NULL)
 864                 {
 865                         int i;
 866                         char buf[NET_MAXMESSAGE];
 867                         sizebuf_t sb;
 868
 869                         sb.data = (unsigned char *) buf;
 870                         sb.maxsize = sizeof(buf);
 871                         i = 0;
 872                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
 873                                 SV_WriteDemoMessage(client, &sb, false);
 874                 }
 875
 876                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 877                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.SV_InitCmd);
 878                 if (val)
 879                 {
 880                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 881                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(val->string)));
 882                 }
 883         }
 884
 885         //if (sv_allowdownloads.integer)
 886         // always send the info that the server supports the protocol, even if downloads are forbidden
 887         // only because of that, the CSQC exception can work
 888         {
 889                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 890                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
 891         }
 892
 893         // send at this time so it's guaranteed to get executed at the right time
 894         {
 895                 client_t *save;
 896                 save = host_client;
 897                 host_client = client;
 898                 Curl_SendRequirements();
 899                 host_client = save;
 900         }
 901
 902         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
 903         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
 904         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
 905
 906         if (!coop.integer && deathmatch.integer)
 907                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
 908         else
 909                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
 910
 911         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog->edicts->fields.server->message));
 912
 913         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
 914                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
 915         MSG_WriteByte (&client->netconnection->message, 0);
 916
 917         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
 918                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
 919         MSG_WriteByte (&client->netconnection->message, 0);
 920
 921 // send music
 922         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
 923         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
 924         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
 925
 926 // set view
 927 // store this in clientcamera, too
 928         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
 929         MSG_WriteByte (&client->netconnection->message, svc_setview);
 930         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
 931
 932         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
 933         MSG_WriteByte (&client->netconnection->message, 1);
 934
 935         client->spawned = false;                // need prespawn, spawn, etc
 936         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
 937
 938         // clear movement info until client enters the new level properly
 939         memset(&client->cmd, 0, sizeof(client->cmd));
 940         client->movesequence = 0;
 941 #ifdef NUM_PING_TIMES
 942         for (i = 0;i < NUM_PING_TIMES;i++)
 943                 client->ping_times[i] = 0;
 944         client->num_pings = 0;
 945 #endif
 946         client->ping = 0;
 947
 948         // allow the client some time to send his keepalives, even if map loading took ages
 949         client->netconnection->timeout = realtime + net_connecttimeout.value;
 950 }
 951
 952 /*
 953 ================
 954 SV_ConnectClient
 955
 956 Initializes a client_t for a new net connection.  This will only be called
 957 once for a player each game, not once for each level change.
 958 ================
 959 */
 960 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
 961 {
 962         client_t                *client;
 963         int                             i;
 964         float                   spawn_parms[NUM_SPAWN_PARMS];
 965
 966         client = svs.clients + clientnum;
 967
 968 // set up the client_t
 969         if (sv.loadgame)
 970                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
 971         memset (client, 0, sizeof(*client));
 972         client->active = true;
 973         client->netconnection = netconnection;
 974
 975         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
 976
 977         strlcpy(client->name, "unconnected", sizeof(client->name));
 978         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
 979         client->spawned = false;
 980         client->edict = PRVM_EDICT_NUM(clientnum+1);
 981         if (client->netconnection)
 982                 client->netconnection->message.allowoverflow = true;            // we can catch it
 983         // prepare the unreliable message buffer
 984         client->unreliablemsg.data = client->unreliablemsg_data;
 985         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
 986         // updated by receiving "rate" command from client, this is also the default if not using a DP client
 987         client->rate = 1000000000;
 988         // no limits for local player
 989         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
 990                 client->rate = 1000000000;
 991         client->connecttime = realtime;
 992
 993         if (sv.loadgame)
 994                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
 995         else
 996         {
 997                 // call the progs to get default spawn parms for the new client
 998                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
 999                 prog->globals.server->self = 0;
1000                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
1001                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1002                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
1003
1004                 // set up the entity for this client (including .colormap, .team, etc)
1005                 PRVM_ED_ClearEdict(client->edict);
1006         }
1007
1008         // don't call SendServerinfo for a fresh botclient because its fields have
1009         // not been set up by the qc yet
1010         if (client->netconnection)
1011                 SV_SendServerinfo (client);
1012         else
1013                 client->spawned = true;
1014 }
1015
1016
1017 /*
1018 ===============================================================================
1019
1020 FRAME UPDATES
1021
1022 ===============================================================================
1023 */
1024
1025 /*
1026 =============================================================================
1027
1028 The PVS must include a small area around the client to allow head bobbing
1029 or other small motion on the client side.  Otherwise, a bob might cause an
1030 entity that should be visible to not show up, especially when the bob
1031 crosses a waterline.
1032
1033 =============================================================================
1034 */
1035
1036 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1037 {
1038         int i;
1039         unsigned int sendflags;
1040         unsigned int version;
1041         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1042         unsigned int customizeentityforclient;
1043         unsigned int sendentity;
1044         float f;
1045         vec3_t cullmins, cullmaxs;
1046         dp_model_t *model;
1047         prvm_eval_t *val, *val2;
1048
1049         // fast path for games that do not use legacy entity networking
1050         // note: still networks clients even if they are legacy
1051         sendentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendEntity)->function;
1052         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1053                 return false;
1054
1055         // this 2 billion unit check is actually to detect NAN origins
1056         // (we really don't want to send those)
1057         if (!(VectorLength2(ent->fields.server->origin) < 2000000000.0*2000000000.0))
1058                 return false;
1059
1060         // EF_NODRAW prevents sending for any reason except for your own
1061         // client, so we must keep all clients in this superset
1062         effects = (unsigned)ent->fields.server->effects;
1063
1064         // we can omit invisible entities with no effects that are not clients
1065         // LordHavoc: this could kill tags attached to an invisible entity, I
1066         // just hope we never have to support that case
1067         i = (int)ent->fields.server->modelindex;
1068         modelindex = (i >= 1 && i < MAX_MODELS && ent->fields.server->model && *PRVM_GetString(ent->fields.server->model) && sv.models[i]) ? i : 0;
1069
1070         flags = 0;
1071         i = (int)(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_size)->_float * 0.25f);
1072         glowsize = (unsigned char)bound(0, i, 255);
1073         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_trail)->_float)
1074                 flags |= RENDER_GLOWTRAIL;
1075         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict)
1076                 flags |= RENDER_VIEWMODEL;
1077
1078         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[0]*256;
1079         light[0] = (unsigned short)bound(0, f, 65535);
1080         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[1]*256;
1081         light[1] = (unsigned short)bound(0, f, 65535);
1082         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[2]*256;
1083         light[2] = (unsigned short)bound(0, f, 65535);
1084         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.light_lev)->_float;
1085         light[3] = (unsigned short)bound(0, f, 65535);
1086         lightstyle = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.style)->_float;
1087         lightpflags = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pflags)->_float;
1088
1089         if (gamemode == GAME_TENEBRAE)
1090         {
1091                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1092                 if (effects & 16)
1093                 {
1094                         effects &= ~16;
1095                         lightpflags |= PFLAGS_FULLDYNAMIC;
1096                 }
1097                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1098                 if (effects & 32)
1099                 {
1100                         effects &= ~32;
1101                         light[0] = (int)(0.2*256);
1102                         light[1] = (int)(1.0*256);
1103                         light[2] = (int)(0.2*256);
1104                         light[3] = 200;
1105                         lightpflags |= PFLAGS_FULLDYNAMIC;
1106                 }
1107         }
1108
1109         specialvisibilityradius = 0;
1110         if (lightpflags & PFLAGS_FULLDYNAMIC)
1111                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1112         if (glowsize)
1113                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1114         if (flags & RENDER_GLOWTRAIL)
1115                 specialvisibilityradius = max(specialvisibilityradius, 100);
1116         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1117         {
1118                 if (effects & EF_BRIGHTFIELD)
1119                         specialvisibilityradius = max(specialvisibilityradius, 80);
1120                 if (effects & EF_MUZZLEFLASH)
1121                         specialvisibilityradius = max(specialvisibilityradius, 100);
1122                 if (effects & EF_BRIGHTLIGHT)
1123                         specialvisibilityradius = max(specialvisibilityradius, 400);
1124                 if (effects & EF_DIMLIGHT)
1125                         specialvisibilityradius = max(specialvisibilityradius, 200);
1126                 if (effects & EF_RED)
1127                         specialvisibilityradius = max(specialvisibilityradius, 200);
1128                 if (effects & EF_BLUE)
1129                         specialvisibilityradius = max(specialvisibilityradius, 200);
1130                 if (effects & EF_FLAME)
1131                         specialvisibilityradius = max(specialvisibilityradius, 250);
1132                 if (effects & EF_STARDUST)
1133                         specialvisibilityradius = max(specialvisibilityradius, 100);
1134         }
1135
1136         // early culling checks
1137         // (final culling is done by SV_MarkWriteEntityStateToClient)
1138         customizeentityforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.customizeentityforclient)->function;
1139         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1140                 return false;
1141
1142         *cs = defaultstate;
1143         cs->active = ACTIVE_NETWORK;
1144         cs->number = enumber;
1145         VectorCopy(ent->fields.server->origin, cs->origin);
1146         VectorCopy(ent->fields.server->angles, cs->angles);
1147         cs->flags = flags;
1148         cs->effects = effects;
1149         cs->colormap = (unsigned)ent->fields.server->colormap;
1150         cs->modelindex = modelindex;
1151         cs->skin = (unsigned)ent->fields.server->skin;
1152         cs->frame = (unsigned)ent->fields.server->frame;
1153         cs->viewmodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict;
1154         cs->exteriormodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.exteriormodeltoclient)->edict;
1155         cs->nodrawtoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.nodrawtoclient)->edict;
1156         cs->drawonlytoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.drawonlytoclient)->edict;
1157         cs->customizeentityforclient = customizeentityforclient;
1158         cs->tagentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)->edict;
1159         cs->tagindex = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
1160         cs->glowsize = glowsize;
1161
1162         // don't need to init cs->colormod because the defaultstate did that for us
1163         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1164         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.colormod);
1165         if (val->vector[0] || val->vector[1] || val->vector[2])
1166         {
1167                 i = (int)(val->vector[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1168                 i = (int)(val->vector[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1169                 i = (int)(val->vector[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1170         }
1171
1172         // don't need to init cs->glowmod because the defaultstate did that for us
1173         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1174         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glowmod);
1175         if (val->vector[0] || val->vector[1] || val->vector[2])
1176         {
1177                 i = (int)(val->vector[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1178                 i = (int)(val->vector[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1179                 i = (int)(val->vector[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1180         }
1181
1182         cs->modelindex = modelindex;
1183
1184         cs->alpha = 255;
1185         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)->_float * 255.0f);
1186         if (f)
1187         {
1188                 i = (int)f;
1189                 cs->alpha = (unsigned char)bound(0, i, 255);
1190         }
1191         // halflife
1192         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderamt)->_float);
1193         if (f)
1194         {
1195                 i = (int)f;
1196                 cs->alpha = (unsigned char)bound(0, i, 255);
1197         }
1198
1199         cs->scale = 16;
1200         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale)->_float * 16.0f);
1201         if (f)
1202         {
1203                 i = (int)f;
1204                 cs->scale = (unsigned char)bound(0, i, 255);
1205         }
1206
1207         cs->glowcolor = 254;
1208         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_color)->_float);
1209         if (f)
1210                 cs->glowcolor = (int)f;
1211
1212         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.fullbright)->_float)
1213                 cs->effects |= EF_FULLBRIGHT;
1214
1215         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.modelflags);
1216         if (val && val->_float)
1217                 cs->effects |= ((unsigned int)val->_float & 0xff) << 24;
1218
1219         if (ent->fields.server->movetype == MOVETYPE_STEP)
1220                 cs->flags |= RENDER_STEP;
1221         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)
1222                 cs->flags |= RENDER_LOWPRECISION;
1223         if (ent->fields.server->colormap >= 1024)
1224                 cs->flags |= RENDER_COLORMAPPED;
1225         if (cs->viewmodelforclient)
1226                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1227
1228         cs->light[0] = light[0];
1229         cs->light[1] = light[1];
1230         cs->light[2] = light[2];
1231         cs->light[3] = light[3];
1232         cs->lightstyle = lightstyle;
1233         cs->lightpflags = lightpflags;
1234
1235         cs->specialvisibilityradius = specialvisibilityradius;
1236
1237         // calculate the visible box of this entity (don't use the physics box
1238         // as that is often smaller than a model, and would not count
1239         // specialvisibilityradius)
1240         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1241         {
1242                 float scale = cs->scale * (1.0f / 16.0f);
1243                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1244                 {
1245                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1246                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1247                 }
1248                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1249                 {
1250                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1251                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1252                 }
1253                 else
1254                 {
1255                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1256                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1257                 }
1258         }
1259         else
1260         {
1261                 // if there is no model (or it could not be loaded), use the physics box
1262                 VectorAdd(cs->origin, ent->fields.server->mins, cullmins);
1263                 VectorAdd(cs->origin, ent->fields.server->maxs, cullmaxs);
1264         }
1265         if (specialvisibilityradius)
1266         {
1267                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1268                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1269                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1270                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1271                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1272                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1273         }
1274
1275         // calculate center of bbox for network prioritization purposes
1276         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1277
1278         // if culling box has moved, update pvs cluster links
1279         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1280         {
1281                 VectorCopy(cullmins, ent->priv.server->cullmins);
1282                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1283                 // a value of -1 for pvs_numclusters indicates that the links are not
1284                 // cached, and should be re-tested each time, this is the case if the
1285                 // culling box touches too many pvs clusters to store, or if the world
1286                 // model does not support FindBoxClusters
1287                 ent->priv.server->pvs_numclusters = -1;
1288                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1289                 {
1290                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1291                         if (i <= MAX_ENTITYCLUSTERS)
1292                                 ent->priv.server->pvs_numclusters = i;
1293                 }
1294         }
1295
1296         // we need to do some csqc entity upkeep here
1297         // get self.SendFlags and clear them
1298         // (to let the QC know that they've been read)
1299         if (sendentity)
1300         {
1301                 val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendFlags);
1302                 sendflags = (unsigned int)val->_float;
1303                 val->_float = 0;
1304                 // legacy self.Version system
1305                 val2 = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.Version);
1306                 if (val2->_float)
1307                 {
1308                         version = (unsigned int)val2->_float;
1309                         if (sv.csqcentityversion[enumber] != version)
1310                                 sendflags = 0xFFFFFF;
1311                         sv.csqcentityversion[enumber] = version;
1312                 }
1313                 // move sendflags into the per-client sendflags
1314                 if (sendflags)
1315                         for (i = 0;i < svs.maxclients;i++)
1316                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1317                 // mark it as inactive for non-csqc networking
1318                 cs->active = ACTIVE_SHARED;
1319         }
1320
1321         return true;
1322 }
1323
1324 void SV_PrepareEntitiesForSending(void)
1325 {
1326         int e;
1327         prvm_edict_t *ent;
1328         // send all entities that touch the pvs
1329         sv.numsendentities = 0;
1330         sv.sendentitiesindex[0] = NULL;
1331         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1332         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1333         {
1334                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1335                 {
1336                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1337                         sv.numsendentities++;
1338                 }
1339         }
1340 }
1341
1342 #define MAX_LINEOFSIGHTTRACES 64
1343
1344 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1345 {
1346         float pitchsign;
1347         float alpha;
1348         float starttransformed[3], endtransformed[3];
1349         int blocked = 0;
1350         int traceindex;
1351         int originalnumtouchedicts;
1352         int numtouchedicts = 0;
1353         int touchindex;
1354         matrix4x4_t matrix, imatrix;
1355         dp_model_t *model;
1356         prvm_edict_t *touch;
1357         static prvm_edict_t *touchedicts[MAX_EDICTS];
1358         vec3_t boxmins, boxmaxs;
1359         vec3_t clipboxmins, clipboxmaxs;
1360         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1361
1362         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1363
1364         // expand the box a little
1365         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1366         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1367         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1368         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1369         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1370         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1371
1372         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1373         for (traceindex = 1;traceindex < numtraces;traceindex++)
1374                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1375
1376         // calculate sweep box for the entire swarm of traces
1377         VectorCopy(eye, clipboxmins);
1378         VectorCopy(eye, clipboxmaxs);
1379         for (traceindex = 0;traceindex < numtraces;traceindex++)
1380         {
1381                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1382                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1383                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1384                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1385                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1386                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1387         }
1388
1389         // get the list of entities in the sweep box
1390         if (sv_cullentities_trace_entityocclusion.integer)
1391                 numtouchedicts = World_EntitiesInBox(&sv.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1392         if (numtouchedicts > MAX_EDICTS)
1393         {
1394                 // this never happens
1395                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1396                 numtouchedicts = MAX_EDICTS;
1397         }
1398         // iterate the entities found in the sweep box and filter them
1399         originalnumtouchedicts = numtouchedicts;
1400         numtouchedicts = 0;
1401         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1402         {
1403                 touch = touchedicts[touchindex];
1404                 if (touch->fields.server->solid != SOLID_BSP)
1405                         continue;
1406                 model = SV_GetModelFromEdict(touch);
1407                 if (!model || !model->brush.TraceLineOfSight)
1408                         continue;
1409                 // skip obviously transparent entities
1410                 alpha = PRVM_EDICTFIELDVALUE(touch, prog->fieldoffsets.alpha)->_float;
1411                 if (alpha && alpha < 1)
1412                         continue;
1413                 if ((int)touch->fields.server->effects & EF_ADDITIVE)
1414                         continue;
1415                 touchedicts[numtouchedicts++] = touch;
1416         }
1417
1418         // now that we have a filtered list of "interesting" entities, fire each
1419         // ray against all of them, this gives us an early-out case when something
1420         // is visible (which it often is)
1421
1422         for (traceindex = 0;traceindex < numtraces;traceindex++)
1423         {
1424                 // check world occlusion
1425                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1426                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1427                                 continue;
1428                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1429                 {
1430                         touch = touchedicts[touchindex];
1431                         model = SV_GetModelFromEdict(touch);
1432                         if(model && model->brush.TraceLineOfSight)
1433                         {
1434                                 // get the entity matrix
1435                                 pitchsign = SV_GetPitchSign(touch);
1436                                 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);
1437                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1438                                 // see if the ray hits this entity
1439                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1440                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1441                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1442                                 {
1443                                         blocked++;
1444                                         break;
1445                                 }
1446                         }
1447                 }
1448                 // check if the ray was blocked
1449                 if (touchindex < numtouchedicts)
1450                         continue;
1451                 // return if the ray was not blocked
1452                 return true;
1453         }
1454
1455         // no rays survived
1456         return false;
1457 }
1458
1459 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1460 {
1461         int isbmodel;
1462         dp_model_t *model;
1463         prvm_edict_t *ed;
1464         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1465                 return;
1466         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1467         sv.writeentitiestoclient_stats_totalentities++;
1468
1469         if (s->customizeentityforclient)
1470         {
1471                 prog->globals.server->self = s->number;
1472                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1473                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1474                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1475                         return;
1476         }
1477
1478         // never reject player
1479         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1480         {
1481                 // check various rejection conditions
1482                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1483                         return;
1484                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1485                         return;
1486                 if (s->effects & EF_NODRAW)
1487                         return;
1488                 // LordHavoc: only send entities with a model or important effects
1489                 if (!s->modelindex && s->specialvisibilityradius == 0)
1490                         return;
1491
1492                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1493                 // viewmodels don't have visibility checking
1494                 if (s->viewmodelforclient)
1495                 {
1496                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1497                                 return;
1498                 }
1499                 else if (s->tagentity)
1500                 {
1501                         // tag attached entities simply check their parent
1502                         if (!sv.sendentitiesindex[s->tagentity])
1503                                 return;
1504                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1505                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1506                                 return;
1507                 }
1508                 // always send world submodels in newer protocols because they don't
1509                 // generate much traffic (in old protocols they hog bandwidth)
1510                 // but only if sv_cullentities_nevercullbmodels is off
1511                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1512                 {
1513                         // entity has survived every check so far, check if visible
1514                         ed = PRVM_EDICT_NUM(s->number);
1515
1516                         // if not touching a visible leaf
1517                         if (sv_cullentities_pvs.integer && !r_novis.integer && sv.writeentitiestoclient_pvsbytes)
1518                         {
1519                                 if (ed->priv.server->pvs_numclusters < 0)
1520                                 {
1521                                         // entity too big for clusters list
1522                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1523                                         {
1524                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1525                                                 return;
1526                                         }
1527                                 }
1528                                 else
1529                                 {
1530                                         int i;
1531                                         // check cached clusters list
1532                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1533                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1534                                                         break;
1535                                         if (i == ed->priv.server->pvs_numclusters)
1536                                         {
1537                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1538                                                 return;
1539                                         }
1540                                 }
1541                         }
1542
1543                         // or not seen by random tracelines
1544                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight)
1545                         {
1546                                 int samples =
1547                                         s->number <= svs.maxclients
1548                                                 ? sv_cullentities_trace_samples_players.integer
1549                                                 :
1550                                         s->specialvisibilityradius
1551                                                 ? sv_cullentities_trace_samples_extra.integer
1552                                                 : sv_cullentities_trace_samples.integer;
1553                                 float enlarge = sv_cullentities_trace_enlarge.value;
1554
1555                                 if(samples > 0)
1556                                 {
1557                                         int eyeindex;
1558                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1559                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1560                                                         break;
1561                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1562                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1563                                                         realtime + (
1564                                                                 s->number <= svs.maxclients
1565                                                                         ? sv_cullentities_trace_delay_players.value
1566                                                                         : sv_cullentities_trace_delay.value
1567                                                         );
1568                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1569                                         {
1570                                                 sv.writeentitiestoclient_stats_culled_trace++;
1571                                                 return;
1572                                         }
1573                                 }
1574                         }
1575                 }
1576         }
1577
1578         // this just marks it for sending
1579         // FIXME: it would be more efficient to send here, but the entity
1580         // compressor isn't that flexible
1581         sv.writeentitiestoclient_stats_visibleentities++;
1582         sv.sententities[s->number] = sv.sententitiesmark;
1583 }
1584
1585 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1586 {
1587         qboolean need_empty = false;
1588         int i, numsendstates, numcsqcsendstates;
1589         entity_state_t *s;
1590         prvm_edict_t *camera;
1591         qboolean success;
1592         vec3_t eye;
1593
1594         // if there isn't enough space to accomplish anything, skip it
1595         if (msg->cursize + 25 > maxsize)
1596                 return;
1597
1598         sv.writeentitiestoclient_msg = msg;
1599         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1600
1601         sv.writeentitiestoclient_stats_culled_pvs = 0;
1602         sv.writeentitiestoclient_stats_culled_trace = 0;
1603         sv.writeentitiestoclient_stats_visibleentities = 0;
1604         sv.writeentitiestoclient_stats_totalentities = 0;
1605         sv.writeentitiestoclient_numeyes = 0;
1606
1607         // get eye location
1608         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1609         camera = PRVM_EDICT_NUM( client->clientcamera );
1610         VectorAdd(camera->fields.server->origin, clent->fields.server->view_ofs, eye);
1611         sv.writeentitiestoclient_pvsbytes = 0;
1612         // get the PVS values for the eye location, later FatPVS calls will merge
1613         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1614                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1615
1616         // add the eye to a list for SV_CanSeeBox tests
1617         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1618         sv.writeentitiestoclient_numeyes++;
1619
1620         // calculate predicted eye origin for SV_CanSeeBox tests
1621         if (sv_cullentities_trace_prediction.integer)
1622         {
1623                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1624                 vec3_t predeye;
1625                 VectorMA(eye, predtime, camera->fields.server->velocity, predeye);
1626                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1627                 {
1628                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1629                         sv.writeentitiestoclient_numeyes++;
1630                 }
1631                 //if (!sv.writeentitiestoclient_useprediction)
1632                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1633         }
1634
1635         // TODO: check line of sight to portal entities and add them to PVS
1636
1637         sv.sententitiesmark++;
1638
1639         for (i = 0;i < sv.numsendentities;i++)
1640                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1641
1642         numsendstates = 0;
1643         numcsqcsendstates = 0;
1644         for (i = 0;i < sv.numsendentities;i++)
1645         {
1646                 if (sv.sententities[sv.sendentities[i].number] == sv.sententitiesmark)
1647                 {
1648                         if(sv.sendentities[i].active == ACTIVE_NETWORK)
1649                         {
1650                                 s = &sv.writeentitiestoclient_sendstates[numsendstates++];
1651                                 *s = sv.sendentities[i];
1652                                 if (s->exteriormodelforclient && s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1653                                         s->flags |= RENDER_EXTERIORMODEL;
1654                         }
1655                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1656                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = sv.sendentities[i].number;
1657                         else
1658                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", sv.sendentities[i].number);
1659                 }
1660         }
1661
1662         if (sv_cullentities_stats.integer)
1663                 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);
1664
1665         if(client->entitydatabase5)
1666                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1667         else
1668                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1669
1670         if(client->num_skippedentityframes >= 10)
1671                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1672
1673         if (client->entitydatabase5)
1674                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1675         else if (client->entitydatabase4)
1676         {
1677                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1678                 Protocol_WriteStatsReliable();
1679         }
1680         else if (client->entitydatabase)
1681         {
1682                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1683                 Protocol_WriteStatsReliable();
1684         }
1685         else
1686         {
1687                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1688                 Protocol_WriteStatsReliable();
1689         }
1690
1691         if(success)
1692                 client->num_skippedentityframes = 0;
1693         else
1694                 ++client->num_skippedentityframes;
1695 }
1696
1697 /*
1698 =============
1699 SV_CleanupEnts
1700
1701 =============
1702 */
1703 static void SV_CleanupEnts (void)
1704 {
1705         int             e;
1706         prvm_edict_t    *ent;
1707
1708         ent = PRVM_NEXT_EDICT(prog->edicts);
1709         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1710                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1711 }
1712
1713 /*
1714 ==================
1715 SV_WriteClientdataToMessage
1716
1717 ==================
1718 */
1719 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1720 {
1721         int             bits;
1722         int             i;
1723         prvm_edict_t    *other;
1724         int             items;
1725         prvm_eval_t     *val;
1726         vec3_t  punchvector;
1727         int             viewzoom;
1728         const char *s;
1729         float   *statsf = (float *)stats;
1730
1731 //
1732 // send a damage message
1733 //
1734         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1735         {
1736                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1737                 MSG_WriteByte (msg, svc_damage);
1738                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1739                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1740                 for (i=0 ; i<3 ; i++)
1741                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1742
1743                 ent->fields.server->dmg_take = 0;
1744                 ent->fields.server->dmg_save = 0;
1745         }
1746
1747 //
1748 // send the current viewpos offset from the view entity
1749 //
1750         SV_SetIdealPitch ();            // how much to look up / down ideally
1751
1752 // a fixangle might get lost in a dropped packet.  Oh well.
1753         if(ent->fields.server->fixangle)
1754         {
1755                 // angle fixing was requested by global thinking code...
1756                 // so store the current angles for later use
1757                 memcpy(host_client->fixangle_angles, ent->fields.server->angles, sizeof(host_client->fixangle_angles));
1758                 host_client->fixangle_angles_set = TRUE;
1759
1760                 // and clear fixangle for the next frame
1761                 ent->fields.server->fixangle = 0;
1762         }
1763
1764         if (host_client->fixangle_angles_set)
1765         {
1766                 MSG_WriteByte (msg, svc_setangle);
1767                 for (i=0 ; i < 3 ; i++)
1768                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1769                 host_client->fixangle_angles_set = FALSE;
1770         }
1771
1772         // stuff the sigil bits into the high bits of items for sbar, or else
1773         // mix in items2
1774         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
1775         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1776                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1777         else
1778                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1779
1780         VectorClear(punchvector);
1781         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
1782                 VectorCopy(val->vector, punchvector);
1783
1784         // cache weapon model name and index in client struct to save time
1785         // (this search can be almost 1% of cpu time!)
1786         s = PRVM_GetString(ent->fields.server->weaponmodel);
1787         if (strcmp(s, client->weaponmodel))
1788         {
1789                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1790                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1791         }
1792
1793         viewzoom = 255;
1794         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
1795                 viewzoom = (int)(val->_float * 255.0f);
1796         if (viewzoom == 0)
1797                 viewzoom = 255;
1798
1799         bits = 0;
1800
1801         if ((int)ent->fields.server->flags & FL_ONGROUND)
1802                 bits |= SU_ONGROUND;
1803         if (ent->fields.server->waterlevel >= 2)
1804                 bits |= SU_INWATER;
1805         if (ent->fields.server->idealpitch)
1806                 bits |= SU_IDEALPITCH;
1807
1808         for (i=0 ; i<3 ; i++)
1809         {
1810                 if (ent->fields.server->punchangle[i])
1811                         bits |= (SU_PUNCH1<<i);
1812                 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)
1813                         if (punchvector[i])
1814                                 bits |= (SU_PUNCHVEC1<<i);
1815                 if (ent->fields.server->velocity[i])
1816                         bits |= (SU_VELOCITY1<<i);
1817         }
1818
1819         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1820         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
1821         stats[STAT_ITEMS] = items;
1822         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
1823         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
1824         stats[STAT_WEAPON] = client->weaponmodelindex;
1825         stats[STAT_HEALTH] = (int)ent->fields.server->health;
1826         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
1827         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
1828         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
1829         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
1830         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
1831         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
1832         stats[STAT_VIEWZOOM] = viewzoom;
1833         stats[STAT_TOTALSECRETS] = (int)prog->globals.server->total_secrets;
1834         stats[STAT_TOTALMONSTERS] = (int)prog->globals.server->total_monsters;
1835         // the QC bumps these itself by sending svc_'s, so we have to keep them
1836         // zero or they'll be corrected by the engine
1837         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1838         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1839
1840         // movement settings for prediction
1841         // note: these are not sent in protocols with lower MAX_CL_STATS limits
1842         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
1843                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
1844         ;
1845         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
1846         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
1847         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
1848         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
1849         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
1850         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
1851         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
1852         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
1853         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
1854         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.gravity);
1855         statsf[STAT_MOVEVARS_ENTGRAVITY] = (val && val->_float != 0) ? val->_float : 1.0f;
1856         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
1857         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
1858         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
1859         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
1860         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
1861         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
1862         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
1863         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
1864         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
1865         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
1866         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
1867         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
1868         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
1869         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
1870         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
1871         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
1872         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
1873         statsf[STAT_FRAGLIMIT] = fraglimit.value;
1874         statsf[STAT_TIMELIMIT] = timelimit.value;
1875
1876         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)
1877         {
1878                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
1879                 bits |= SU_ITEMS;
1880                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
1881                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
1882                 bits |= SU_WEAPON;
1883                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
1884                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1885                         if (viewzoom != 255)
1886                                 bits |= SU_VIEWZOOM;
1887         }
1888
1889         if (bits >= 65536)
1890                 bits |= SU_EXTEND1;
1891         if (bits >= 16777216)
1892                 bits |= SU_EXTEND2;
1893
1894         // send the data
1895         MSG_WriteByte (msg, svc_clientdata);
1896         MSG_WriteShort (msg, bits);
1897         if (bits & SU_EXTEND1)
1898                 MSG_WriteByte(msg, bits >> 16);
1899         if (bits & SU_EXTEND2)
1900                 MSG_WriteByte(msg, bits >> 24);
1901
1902         if (bits & SU_VIEWHEIGHT)
1903                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
1904
1905         if (bits & SU_IDEALPITCH)
1906                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
1907
1908         for (i=0 ; i<3 ; i++)
1909         {
1910                 if (bits & (SU_PUNCH1<<i))
1911                 {
1912                         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)
1913                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
1914                         else
1915                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
1916                 }
1917                 if (bits & (SU_PUNCHVEC1<<i))
1918                 {
1919                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1920                                 MSG_WriteCoord16i(msg, punchvector[i]);
1921                         else
1922                                 MSG_WriteCoord32f(msg, punchvector[i]);
1923                 }
1924                 if (bits & (SU_VELOCITY1<<i))
1925                 {
1926                         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)
1927                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
1928                         else
1929                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
1930                 }
1931         }
1932
1933         if (bits & SU_ITEMS)
1934                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
1935
1936         if (sv.protocol == PROTOCOL_DARKPLACES5)
1937         {
1938                 if (bits & SU_WEAPONFRAME)
1939                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
1940                 if (bits & SU_ARMOR)
1941                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
1942                 if (bits & SU_WEAPON)
1943                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
1944                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1945                 MSG_WriteShort (msg, stats[STAT_AMMO]);
1946                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
1947                 MSG_WriteShort (msg, stats[STAT_NAILS]);
1948                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
1949                 MSG_WriteShort (msg, stats[STAT_CELLS]);
1950                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
1951                 if (bits & SU_VIEWZOOM)
1952                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1953         }
1954         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)
1955         {
1956                 if (bits & SU_WEAPONFRAME)
1957                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
1958                 if (bits & SU_ARMOR)
1959                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
1960                 if (bits & SU_WEAPON)
1961                 {
1962                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
1963                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
1964                         else
1965                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
1966                 }
1967                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1968                 MSG_WriteByte (msg, stats[STAT_AMMO]);
1969                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
1970                 MSG_WriteByte (msg, stats[STAT_NAILS]);
1971                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
1972                 MSG_WriteByte (msg, stats[STAT_CELLS]);
1973                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1974                 {
1975                         for (i = 0;i < 32;i++)
1976                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
1977                                         break;
1978                         MSG_WriteByte (msg, i);
1979                 }
1980                 else
1981                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
1982                 if (bits & SU_VIEWZOOM)
1983                 {
1984                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1985                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
1986                         else
1987                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1988                 }
1989         }
1990 }
1991
1992 void SV_FlushBroadcastMessages(void)
1993 {
1994         int i;
1995         client_t *client;
1996         if (sv.datagram.cursize <= 0)
1997                 return;
1998         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
1999         {
2000                 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])))
2001                         continue;
2002                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2003                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2004         }
2005         SZ_Clear(&sv.datagram);
2006 }
2007
2008 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2009 {
2010         // scan the splitpoints to find out how many we can fit in
2011         int numsegments, j, split;
2012         if (!client->unreliablemsg_splitpoints)
2013                 return;
2014         // always accept the first one if it's within 1024 bytes, this ensures
2015         // that very big datagrams which are over the rate limit still get
2016         // through, just to keep it working
2017         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2018                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2019                         break;
2020         // the first segment gets an exemption from the rate limiting, otherwise
2021         // it could get dropped consistently due to a low rate limit
2022         if (numsegments == 1)
2023                 maxsize = maxsize2;
2024         // some will fit, so add the ones that will fit
2025         split = client->unreliablemsg_splitpoint[numsegments-1];
2026         // note this discards ones that were accepted by the segments scan but
2027         // can not fit, such as a really huge first one that will never ever
2028         // fit in a packet...
2029         if (msg->cursize + split <= maxsize)
2030                 SZ_Write(msg, client->unreliablemsg.data, split);
2031         // remove the part we sent, keeping any remaining data
2032         client->unreliablemsg.cursize -= split;
2033         if (client->unreliablemsg.cursize > 0)
2034                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2035         // adjust remaining splitpoints
2036         client->unreliablemsg_splitpoints -= numsegments;
2037         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2038                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2039 }
2040
2041 /*
2042 =======================
2043 SV_SendClientDatagram
2044 =======================
2045 */
2046 static void SV_SendClientDatagram (client_t *client)
2047 {
2048         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2049         sizebuf_t msg;
2050         int stats[MAX_CL_STATS];
2051         unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2052
2053         // obey rate limit by limiting packet frequency if the packet size
2054         // limiting fails
2055         // (usually this is caused by reliable messages)
2056         if (!NetConn_CanSend(client->netconnection))
2057                 return;
2058
2059         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2060         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2061         if (sv_maxrate.integer != maxrate)
2062                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2063
2064         // clientrate determines the 'cleartime' of a packet
2065         // (how long to wait before sending another, based on this packet's size)
2066         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2067
2068         switch (sv.protocol)
2069         {
2070         case PROTOCOL_QUAKE:
2071         case PROTOCOL_QUAKEDP:
2072         case PROTOCOL_NEHAHRAMOVIE:
2073         case PROTOCOL_NEHAHRABJP:
2074         case PROTOCOL_NEHAHRABJP2:
2075         case PROTOCOL_NEHAHRABJP3:
2076         case PROTOCOL_QUAKEWORLD:
2077                 // no packet size limit support on Quake protocols because it just
2078                 // causes missing entities/effects
2079                 // packets are simply sent less often to obey the rate limit
2080                 maxsize = 1024;
2081                 maxsize2 = 1024;
2082                 break;
2083         case PROTOCOL_DARKPLACES1:
2084         case PROTOCOL_DARKPLACES2:
2085         case PROTOCOL_DARKPLACES3:
2086         case PROTOCOL_DARKPLACES4:
2087                 // no packet size limit support on DP1-4 protocols because they kick
2088                 // the client off if they overflow, and miss effects
2089                 // packets are simply sent less often to obey the rate limit
2090                 maxsize = sizeof(sv_sendclientdatagram_buf);
2091                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2092                 break;
2093         default:
2094                 // DP5 and later protocols support packet size limiting which is a
2095                 // better method than limiting packet frequency as QW does
2096                 //
2097                 // at very low rates (or very small sys_ticrate) the packet size is
2098                 // not reduced below 128, but packets may be sent less often
2099                 maxsize = (int)(clientrate * sys_ticrate.value);
2100                 maxsize = bound(128, maxsize, 1400);
2101                 maxsize2 = 1400;
2102                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2103                 // mods that use csqc (they are likely to use less bandwidth anyway)
2104                 if (sv.csqc_progsize > 0)
2105                         maxsize = maxsize2;
2106                 break;
2107         }
2108
2109         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2110         {
2111                 // for good singleplayer, send huge packets
2112                 maxsize = sizeof(sv_sendclientdatagram_buf);
2113                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2114                 // never limit frequency in singleplayer
2115                 clientrate = 1000000000;
2116         }
2117
2118         // while downloading, limit entity updates to half the packet
2119         // (any leftover space will be used for downloading)
2120         if (host_client->download_file)
2121                 maxsize /= 2;
2122
2123         msg.data = sv_sendclientdatagram_buf;
2124         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2125         msg.cursize = 0;
2126         msg.allowoverflow = false;
2127
2128         if (host_client->spawned)
2129         {
2130                 // the player is in the game
2131                 MSG_WriteByte (&msg, svc_time);
2132                 MSG_WriteFloat (&msg, sv.time);
2133
2134                 // add the client specific data to the datagram
2135                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2136                 // now update the stats[] array using any registered custom fields
2137                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2138                 // set host_client->statsdeltabits
2139                 Protocol_UpdateClientStats (stats);
2140
2141                 // add as many queued unreliable messages (effects) as we can fit
2142                 // limit effects to half of the remaining space
2143                 if (client->unreliablemsg.cursize)
2144                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2145
2146                 // now write as many entities as we can fit, and also sends stats
2147                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2148         }
2149         else if (realtime > client->keepalivetime)
2150         {
2151                 // the player isn't totally in the game yet
2152                 // send small keepalive messages if too much time has passed
2153                 // (may also be sending downloads)
2154                 client->keepalivetime = realtime + 5;
2155                 MSG_WriteChar (&msg, svc_nop);
2156         }
2157
2158         // if a download is active, see if there is room to fit some download data
2159         // in this packet
2160         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2161         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2162         {
2163                 fs_offset_t downloadstart;
2164                 unsigned char data[1400];
2165                 downloadstart = FS_Tell(host_client->download_file);
2166                 downloadsize = min(downloadsize, (int)sizeof(data));
2167                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2168                 // note this sends empty messages if at the end of the file, which is
2169                 // necessary to keep the packet loss logic working
2170                 // (the last blocks may be lost and need to be re-sent, and that will
2171                 //  only occur if the client acks the empty end messages, revealing
2172                 //  a gap in the download progress, causing the last blocks to be
2173                 //  sent again)
2174                 MSG_WriteChar (&msg, svc_downloaddata);
2175                 MSG_WriteLong (&msg, downloadstart);
2176                 MSG_WriteShort (&msg, downloadsize);
2177                 if (downloadsize > 0)
2178                         SZ_Write (&msg, data, downloadsize);
2179         }
2180
2181         // reliable only if none is in progress
2182         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2183                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2184         // unreliable
2185         SV_WriteDemoMessage(client, &msg, false);
2186
2187 // send the datagram
2188         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2189         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2190                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2191 }
2192
2193 /*
2194 =======================
2195 SV_UpdateToReliableMessages
2196 =======================
2197 */
2198 static void SV_UpdateToReliableMessages (void)
2199 {
2200         int i, j;
2201         client_t *client;
2202         prvm_eval_t *val;
2203         const char *name;
2204         const char *model;
2205         const char *skin;
2206
2207 // check for changes to be sent over the reliable streams
2208         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2209         {
2210                 // update the host_client fields we care about according to the entity fields
2211                 host_client->edict = PRVM_EDICT_NUM(i+1);
2212
2213                 // DP_SV_CLIENTNAME
2214                 name = PRVM_GetString(host_client->edict->fields.server->netname);
2215                 if (name == NULL)
2216                         name = "";
2217                 // always point the string back at host_client->name to keep it safe
2218                 strlcpy (host_client->name, name, sizeof (host_client->name));
2219                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
2220                 if (strcmp(host_client->old_name, host_client->name))
2221                 {
2222                         if (host_client->spawned)
2223                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2224                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2225                         // send notification to all clients
2226                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2227                         MSG_WriteByte (&sv.reliable_datagram, i);
2228                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2229                         SV_WriteNetnameIntoDemo(host_client);
2230                 }
2231
2232                 // DP_SV_CLIENTCOLORS
2233                 // this is always found (since it's added by the progs loader)
2234                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
2235                         host_client->colors = (int)val->_float;
2236                 if (host_client->old_colors != host_client->colors)
2237                 {
2238                         host_client->old_colors = host_client->colors;
2239                         // send notification to all clients
2240                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2241                         MSG_WriteByte (&sv.reliable_datagram, i);
2242                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2243                 }
2244
2245                 // NEXUIZ_PLAYERMODEL
2246                 if( prog->fieldoffsets.playermodel >= 0 ) {
2247                         model = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string);
2248                         if (model == NULL)
2249                                 model = "";
2250                         // always point the string back at host_client->name to keep it safe
2251                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2252                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
2253                 }
2254
2255                 // NEXUIZ_PLAYERSKIN
2256                 if( prog->fieldoffsets.playerskin >= 0 ) {
2257                         skin = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string);
2258                         if (skin == NULL)
2259                                 skin = "";
2260                         // always point the string back at host_client->name to keep it safe
2261                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2262                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
2263                 }
2264
2265                 // TODO: add an extension name for this [1/17/2008 Black]
2266                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcamera)) && val->edict > 0 ) {
2267                         int oldclientcamera = host_client->clientcamera;
2268                         if( val->edict >= prog->max_edicts || PRVM_EDICT_NUM( val->edict )->priv.required->free ) {
2269                                 val->edict = host_client->clientcamera = PRVM_NUM_FOR_EDICT( host_client->edict );
2270                         } else {
2271                                 host_client->clientcamera = val->edict;
2272                         }
2273
2274                         if( oldclientcamera != host_client->clientcamera ) {
2275                                 MSG_WriteByte (&sv.reliable_datagram, svc_setview );
2276                                 MSG_WriteShort (&host_client->netconnection->message, host_client->clientcamera);
2277                         }
2278                 }
2279
2280                 // frags
2281                 host_client->frags = (int)host_client->edict->fields.server->frags;
2282                 if(gamemode == GAME_NEXUIZ)
2283                         if(!host_client->spawned && host_client->netconnection)
2284                                 host_client->frags = -666;
2285                 if (host_client->old_frags != host_client->frags)
2286                 {
2287                         host_client->old_frags = host_client->frags;
2288                         // send notification to all clients
2289                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2290                         MSG_WriteByte (&sv.reliable_datagram, i);
2291                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2292                 }
2293         }
2294
2295         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2296                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2297                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2298
2299         SZ_Clear (&sv.reliable_datagram);
2300 }
2301
2302
2303 /*
2304 =======================
2305 SV_SendClientMessages
2306 =======================
2307 */
2308 void SV_SendClientMessages (void)
2309 {
2310         int i, prepared = false;
2311
2312         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2313                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2314
2315         SV_FlushBroadcastMessages();
2316
2317 // update frags, names, etc
2318         SV_UpdateToReliableMessages();
2319
2320 // build individual updates
2321         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2322         {
2323                 if (!host_client->active)
2324                         continue;
2325                 if (!host_client->netconnection)
2326                         continue;
2327
2328                 if (host_client->netconnection->message.overflowed)
2329                 {
2330                         SV_DropClient (true);   // if the message couldn't send, kick off
2331                         continue;
2332                 }
2333
2334                 if (!prepared)
2335                 {
2336                         prepared = true;
2337                         // only prepare entities once per frame
2338                         SV_PrepareEntitiesForSending();
2339                 }
2340                 SV_SendClientDatagram (host_client);
2341         }
2342
2343 // clear muzzle flashes
2344         SV_CleanupEnts();
2345 }
2346
2347 static void SV_StartDownload_f(void)
2348 {
2349         if (host_client->download_file)
2350                 host_client->download_started = true;
2351 }
2352
2353 /*
2354  * Compression extension negotiation:
2355  *
2356  * Server to client:
2357  *   cl_serverextension_download 2
2358  *
2359  * Client to server:
2360  *   download <filename> <list of zero or more suppported compressions in order of preference>
2361  * e.g.
2362  *   download maps/map1.bsp lzo deflate huffman
2363  *
2364  * Server to client:
2365  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2366  * e.g.
2367  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2368  *
2369  * The server may choose not to compress the file by sending no compression name, like:
2370  *   cl_downloadbegin 345678 maps/map1.bsp
2371  *
2372  * NOTE: the "download" command may only specify compression algorithms if
2373  *       cl_serverextension_download is 2!
2374  *       If cl_serverextension_download has a different value, the client must
2375  *       assume this extension is not supported!
2376  */
2377
2378 static void Download_CheckExtensions(void)
2379 {
2380         int i;
2381         int argc = Cmd_Argc();
2382
2383         // first reset them all
2384         host_client->download_deflate = false;
2385
2386         for(i = 2; i < argc; ++i)
2387         {
2388                 if(!strcmp(Cmd_Argv(i), "deflate"))
2389                 {
2390                         host_client->download_deflate = true;
2391                         break;
2392                 }
2393         }
2394 }
2395
2396 static void SV_Download_f(void)
2397 {
2398         const char *whichpack, *whichpack2, *extension;
2399         qboolean is_csqc; // so we need to check only once
2400
2401         if (Cmd_Argc() < 2)
2402         {
2403                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2404                 SV_ClientPrintf("       supported extensions: deflate\n");
2405                 return;
2406         }
2407
2408         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2409         {
2410                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2411                 return;
2412         }
2413
2414         if (host_client->download_file)
2415         {
2416                 // at this point we'll assume the previous download should be aborted
2417                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2418                 Host_ClientCommands("\nstopdownload\n");
2419
2420                 // close the file and reset variables
2421                 FS_Close(host_client->download_file);
2422                 host_client->download_file = NULL;
2423                 host_client->download_name[0] = 0;
2424                 host_client->download_expectedposition = 0;
2425                 host_client->download_started = false;
2426         }
2427
2428         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2429
2430         if (!sv_allowdownloads.integer && !is_csqc)
2431         {
2432                 SV_ClientPrintf("Downloads are disabled on this server\n");
2433                 Host_ClientCommands("\nstopdownload\n");
2434                 return;
2435         }
2436
2437         Download_CheckExtensions();
2438
2439         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2440         extension = FS_FileExtension(host_client->download_name);
2441
2442         // host_client is asking to download a specified file
2443         if (developer.integer >= 100)
2444                 Con_Printf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2445
2446         if(is_csqc)
2447         {
2448                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2449                 extensions[0] = '\0';
2450
2451                 if(host_client->download_deflate)
2452                         strlcat(extensions, " deflate", sizeof(extensions));
2453
2454                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2455
2456                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2457                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2458                 else
2459                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2460
2461                 // no, no space is needed between %s and %s :P
2462                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2463
2464                 host_client->download_expectedposition = 0;
2465                 host_client->download_started = false;
2466                 host_client->sendsignon = true; // make sure this message is sent
2467                 return;
2468         }
2469
2470         if (!FS_FileExists(host_client->download_name))
2471         {
2472                 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);
2473                 Host_ClientCommands("\nstopdownload\n");
2474                 return;
2475         }
2476
2477         // check if the user is trying to download part of registered Quake(r)
2478         whichpack = FS_WhichPack(host_client->download_name);
2479         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2480         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2481         {
2482                 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);
2483                 Host_ClientCommands("\nstopdownload\n");
2484                 return;
2485         }
2486
2487         // check if the server has forbidden archive downloads entirely
2488         if (!sv_allowdownloads_inarchive.integer)
2489         {
2490                 whichpack = FS_WhichPack(host_client->download_name);
2491                 if (whichpack)
2492                 {
2493                         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);
2494                         Host_ClientCommands("\nstopdownload\n");
2495                         return;
2496                 }
2497         }
2498
2499         if (!sv_allowdownloads_config.integer)
2500         {
2501                 if (!strcasecmp(extension, "cfg"))
2502                 {
2503                         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);
2504                         Host_ClientCommands("\nstopdownload\n");
2505                         return;
2506                 }
2507         }
2508
2509         if (!sv_allowdownloads_dlcache.integer)
2510         {
2511                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2512                 {
2513                         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);
2514                         Host_ClientCommands("\nstopdownload\n");
2515                         return;
2516                 }
2517         }
2518
2519         if (!sv_allowdownloads_archive.integer)
2520         {
2521                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2522                 {
2523                         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);
2524                         Host_ClientCommands("\nstopdownload\n");
2525                         return;
2526                 }
2527         }
2528
2529         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2530         if (!host_client->download_file)
2531         {
2532                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2533                 Host_ClientCommands("\nstopdownload\n");
2534                 return;
2535         }
2536
2537         if (FS_FileSize(host_client->download_file) > 1<<30)
2538         {
2539                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2540                 Host_ClientCommands("\nstopdownload\n");
2541                 FS_Close(host_client->download_file);
2542                 host_client->download_file = NULL;
2543                 return;
2544         }
2545
2546         if (FS_FileSize(host_client->download_file) < 0)
2547         {
2548                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2549                 Host_ClientCommands("\nstopdownload\n");
2550                 FS_Close(host_client->download_file);
2551                 host_client->download_file = NULL;
2552                 return;
2553         }
2554
2555         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2556
2557         /*
2558          * we can only do this if we would actually deflate on the fly
2559          * which we do not (yet)!
2560         {
2561                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2562                 extensions[0] = '\0';
2563
2564                 if(host_client->download_deflate)
2565                         strlcat(extensions, " deflate", sizeof(extensions));
2566
2567                 // no, no space is needed between %s and %s :P
2568                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2569         }
2570         */
2571         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2572
2573         host_client->download_expectedposition = 0;
2574         host_client->download_started = false;
2575         host_client->sendsignon = true; // make sure this message is sent
2576
2577         // the rest of the download process is handled in SV_SendClientDatagram
2578         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2579         //
2580         // no svc_downloaddata messages will be sent until sv_startdownload is
2581         // sent by the client
2582 }
2583
2584 /*
2585 ==============================================================================
2586
2587 SERVER SPAWNING
2588
2589 ==============================================================================
2590 */
2591
2592 /*
2593 ================
2594 SV_ModelIndex
2595
2596 ================
2597 */
2598 int SV_ModelIndex(const char *s, int precachemode)
2599 {
2600         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);
2601         char filename[MAX_QPATH];
2602         if (!s || !*s)
2603                 return 0;
2604         // testing
2605         //if (precachemode == 2)
2606         //      return 0;
2607         strlcpy(filename, s, sizeof(filename));
2608         for (i = 2;i < limit;i++)
2609         {
2610                 if (!sv.model_precache[i][0])
2611                 {
2612                         if (precachemode)
2613                         {
2614                                 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))
2615                                 {
2616                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2617                                         return 0;
2618                                 }
2619                                 if (precachemode == 1)
2620                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2621                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2622                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.modelname : NULL);
2623                                 if (sv.state != ss_loading)
2624                                 {
2625                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2626                                         MSG_WriteShort(&sv.reliable_datagram, i);
2627                                         MSG_WriteString(&sv.reliable_datagram, filename);
2628                                 }
2629                                 return i;
2630                         }
2631                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2632                         return 0;
2633                 }
2634                 if (!strcmp(sv.model_precache[i], filename))
2635                         return i;
2636         }
2637         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2638         return 0;
2639 }
2640
2641 /*
2642 ================
2643 SV_SoundIndex
2644
2645 ================
2646 */
2647 int SV_SoundIndex(const char *s, int precachemode)
2648 {
2649         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);
2650         char filename[MAX_QPATH];
2651         if (!s || !*s)
2652                 return 0;
2653         // testing
2654         //if (precachemode == 2)
2655         //      return 0;
2656         strlcpy(filename, s, sizeof(filename));
2657         for (i = 1;i < limit;i++)
2658         {
2659                 if (!sv.sound_precache[i][0])
2660                 {
2661                         if (precachemode)
2662                         {
2663                                 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))
2664                                 {
2665                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2666                                         return 0;
2667                                 }
2668                                 if (precachemode == 1)
2669                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2670                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2671                                 if (sv.state != ss_loading)
2672                                 {
2673                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2674                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2675                                         MSG_WriteString(&sv.reliable_datagram, filename);
2676                                 }
2677                                 return i;
2678                         }
2679                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2680                         return 0;
2681                 }
2682                 if (!strcmp(sv.sound_precache[i], filename))
2683                         return i;
2684         }
2685         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2686         return 0;
2687 }
2688
2689 /*
2690 ================
2691 SV_ParticleEffectIndex
2692
2693 ================
2694 */
2695 int SV_ParticleEffectIndex(const char *name)
2696 {
2697         int i, argc, linenumber, effectnameindex;
2698         fs_offset_t filesize;
2699         unsigned char *filedata;
2700         const char *text, *textstart, *textend;
2701         char argv[16][1024];
2702         if (!sv.particleeffectnamesloaded)
2703         {
2704                 sv.particleeffectnamesloaded = true;
2705                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2706                 for (i = 0;i < EFFECT_TOTAL;i++)
2707                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2708                 filedata = FS_LoadFile("effectinfo.txt", tempmempool, true, &filesize);
2709                 if (filedata)
2710                 {
2711                         textstart = (const char *)filedata;
2712                         textend = (const char *)filedata + filesize;
2713                         text = textstart;
2714                         for (linenumber = 1;;linenumber++)
2715                         {
2716                                 argc = 0;
2717                                 for (;;)
2718                                 {
2719                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2720                                                 break;
2721                                         if (argc < 16)
2722                                         {
2723                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2724                                                 argc++;
2725                                         }
2726                                 }
2727                                 if (com_token[0] == 0)
2728                                         break; // if the loop exited and it's not a \n, it's EOF
2729                                 if (argc < 1)
2730                                         continue;
2731                                 if (!strcmp(argv[0], "effect"))
2732                                 {
2733                                         if (argc == 2)
2734                                         {
2735                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2736                                                 {
2737                                                         if (sv.particleeffectname[effectnameindex][0])
2738                                                         {
2739                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2740                                                                         break;
2741                                                         }
2742                                                         else
2743                                                         {
2744                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2745                                                                 break;
2746                                                         }
2747                                                 }
2748                                                 // if we run out of names, abort
2749                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2750                                                 {
2751                                                         Con_Printf("effectinfo.txt:%i: too many effects!\n", linenumber);
2752                                                         break;
2753                                                 }
2754                                         }
2755                                 }
2756                         }
2757                         Mem_Free(filedata);
2758                 }
2759         }
2760         // search for the name
2761         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2762                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2763                         return effectnameindex;
2764         // return 0 if we couldn't find it
2765         return 0;
2766 }
2767
2768 dp_model_t *SV_GetModelByIndex(int modelindex)
2769 {
2770         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2771 }
2772
2773 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
2774 {
2775         int modelindex;
2776         if (!ed || ed->priv.server->free)
2777                 return NULL;
2778         modelindex = (int)ed->fields.server->modelindex;
2779         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2780 }
2781
2782 /*
2783 ================
2784 SV_CreateBaseline
2785
2786 ================
2787 */
2788 static void SV_CreateBaseline (void)
2789 {
2790         int i, entnum, large;
2791         prvm_edict_t *svent;
2792
2793         // LordHavoc: clear *all* states (note just active ones)
2794         for (entnum = 0;entnum < prog->max_edicts;entnum++)
2795         {
2796                 // get the current server version
2797                 svent = PRVM_EDICT_NUM(entnum);
2798
2799                 // LordHavoc: always clear state values, whether the entity is in use or not
2800                 svent->priv.server->baseline = defaultstate;
2801
2802                 if (svent->priv.server->free)
2803                         continue;
2804                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
2805                         continue;
2806
2807                 // create entity baseline
2808                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
2809                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
2810                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
2811                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
2812                 if (entnum > 0 && entnum <= svs.maxclients)
2813                 {
2814                         svent->priv.server->baseline.colormap = entnum;
2815                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
2816                 }
2817                 else
2818                 {
2819                         svent->priv.server->baseline.colormap = 0;
2820                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
2821                 }
2822
2823                 large = false;
2824                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
2825                 {
2826                         large = true;
2827                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2828                                 large = false;
2829                 }
2830
2831                 // add to the message
2832                 if (large)
2833                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
2834                 else
2835                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
2836                 MSG_WriteShort (&sv.signon, entnum);
2837
2838                 if (large)
2839                 {
2840                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2841                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
2842                 }
2843                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2844                 {
2845                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2846                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2847                 }
2848                 else
2849                 {
2850                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
2851                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2852                 }
2853                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
2854                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
2855                 for (i=0 ; i<3 ; i++)
2856                 {
2857                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
2858                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
2859                 }
2860         }
2861 }
2862
2863 /*
2864 ================
2865 SV_Prepare_CSQC
2866
2867 Load csprogs.dat and comperss it so it doesn't need to be
2868 reloaded on request.
2869 ================
2870 */
2871 void SV_Prepare_CSQC(void)
2872 {
2873         fs_offset_t progsize;
2874
2875         if(svs.csqc_progdata)
2876         {
2877                 Con_DPrintf("Unloading old CSQC data.\n");
2878                 Mem_Free(svs.csqc_progdata);
2879                 if(svs.csqc_progdata_deflated)
2880                         Mem_Free(svs.csqc_progdata_deflated);
2881         }
2882
2883         svs.csqc_progdata = NULL;
2884         svs.csqc_progdata_deflated = NULL;
2885
2886         Con_Print("Loading csprogs.dat\n");
2887
2888         sv.csqc_progname[0] = 0;
2889         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
2890
2891         if(progsize > 0)
2892         {
2893                 size_t deflated_size;
2894
2895                 sv.csqc_progsize = (int)progsize;
2896                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
2897                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
2898                 Con_Printf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
2899
2900                 Con_Print("Compressing csprogs.dat\n");
2901                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
2902                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
2903                 svs.csqc_progsize_deflated = (int)deflated_size;
2904                 if(svs.csqc_progdata_deflated)
2905                 {
2906                         Con_Printf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
2907                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
2908                 }
2909                 else
2910                         Con_Printf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
2911         }
2912 }
2913
2914 /*
2915 ================
2916 SV_SaveSpawnparms
2917
2918 Grabs the current state of each client for saving across the
2919 transition to another level
2920 ================
2921 */
2922 void SV_SaveSpawnparms (void)
2923 {
2924         int             i, j;
2925
2926         svs.serverflags = (int)prog->globals.server->serverflags;
2927
2928         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2929         {
2930                 if (!host_client->active)
2931                         continue;
2932
2933         // call the progs to get default spawn parms for the new client
2934                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
2935                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
2936                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
2937                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
2938         }
2939 }
2940
2941 /*
2942 ================
2943 SV_SpawnServer
2944
2945 This is called at the start of each level
2946 ================
2947 */
2948
2949 void SV_SpawnServer (const char *server)
2950 {
2951         prvm_edict_t *ent;
2952         int i;
2953         char *entities;
2954         dp_model_t *worldmodel;
2955         char modelname[sizeof(sv.modelname)];
2956
2957         Con_DPrintf("SpawnServer: %s\n", server);
2958
2959         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
2960
2961         if (!FS_FileExists(modelname))
2962         {
2963                 Con_Printf("SpawnServer: no map file named %s\n", modelname);
2964                 return;
2965         }
2966
2967         if (cls.state != ca_dedicated)
2968         {
2969                 SCR_BeginLoadingPlaque();
2970                 S_StopAllSounds();
2971         }
2972
2973         if(sv.active)
2974         {
2975                 SV_VM_Begin();
2976                 World_End(&sv.world);
2977                 if(prog->funcoffsets.SV_Shutdown)
2978                 {
2979                         func_t s = prog->funcoffsets.SV_Shutdown;
2980                         prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
2981                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
2982                 }
2983                 SV_VM_End();
2984         }
2985
2986         // free q3 shaders so that any newly downloaded shaders will be active
2987         Mod_FreeQ3Shaders();
2988
2989         worldmodel = Mod_ForName(modelname, false, true, NULL);
2990         if (!worldmodel || !worldmodel->TraceBox)
2991         {
2992                 Con_Printf("Couldn't load map %s\n", modelname);
2993                 return;
2994         }
2995
2996         // let's not have any servers with no name
2997         if (hostname.string[0] == 0)
2998                 Cvar_Set ("hostname", "UNNAMED");
2999         scr_centertime_off = 0;
3000
3001         svs.changelevel_issued = false;         // now safe to issue another
3002
3003         // make the map a required file for clients
3004         Curl_ClearRequirements();
3005         Curl_RequireFile(modelname);
3006
3007 //
3008 // tell all connected clients that we are going to a new level
3009 //
3010         if (sv.active)
3011         {
3012                 client_t *client;
3013                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3014                 {
3015                         if (client->netconnection)
3016                         {
3017                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3018                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3019                         }
3020                 }
3021         }
3022         else
3023         {
3024                 // open server port
3025                 NetConn_OpenServerPorts(true);
3026         }
3027
3028 //
3029 // make cvars consistant
3030 //
3031         if (coop.integer)
3032                 Cvar_SetValue ("deathmatch", 0);
3033         // LordHavoc: it can be useful to have skills outside the range 0-3...
3034         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3035         //Cvar_SetValue ("skill", (float)current_skill);
3036         current_skill = (int)(skill.value + 0.5);
3037
3038 //
3039 // set up the new server
3040 //
3041         memset (&sv, 0, sizeof(sv));
3042         // if running a local client, make sure it doesn't try to access the last
3043         // level's data which is no longer valiud
3044         cls.signon = 0;
3045
3046         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3047
3048         if(*sv_random_seed.string)
3049         {
3050                 srand(sv_random_seed.integer);
3051                 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);
3052         }
3053
3054         SV_VM_Setup();
3055
3056         sv.active = true;
3057
3058         strlcpy (sv.name, server, sizeof (sv.name));
3059
3060         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3061         if (sv.protocol == PROTOCOL_UNKNOWN)
3062         {
3063                 char buffer[1024];
3064                 Protocol_Names(buffer, sizeof(buffer));
3065                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3066                 sv.protocol = PROTOCOL_QUAKE;
3067         }
3068
3069         SV_VM_Begin();
3070
3071 // load progs to get entity field count
3072         //PR_LoadProgs ( sv_progs.string );
3073
3074         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3075         sv.datagram.cursize = 0;
3076         sv.datagram.data = sv.datagram_buf;
3077
3078         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3079         sv.reliable_datagram.cursize = 0;
3080         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3081
3082         sv.signon.maxsize = sizeof(sv.signon_buf);
3083         sv.signon.cursize = 0;
3084         sv.signon.data = sv.signon_buf;
3085
3086 // leave slots at start for clients only
3087         //prog->num_edicts = svs.maxclients+1;
3088
3089         sv.state = ss_loading;
3090         prog->allowworldwrites = true;
3091         sv.paused = false;
3092
3093         prog->globals.server->time = sv.time = 1.0;
3094
3095         Mod_ClearUsed();
3096         worldmodel->used = true;
3097
3098         strlcpy (sv.name, server, sizeof (sv.name));
3099         strlcpy(sv.modelname, modelname, sizeof(sv.modelname));
3100         sv.worldmodel = worldmodel;
3101         sv.models[1] = sv.worldmodel;
3102
3103 //
3104 // clear world interaction links
3105 //
3106         World_SetSize(&sv.world, sv.worldmodel->name, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
3107         World_Start(&sv.world);
3108
3109         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3110
3111         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3112         strlcpy(sv.model_precache[1], sv.modelname, sizeof(sv.model_precache[1]));
3113         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3114         {
3115                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3116                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.modelname);
3117         }
3118         if(i < sv.worldmodel->brush.numsubmodels)
3119                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3120
3121 //
3122 // load the rest of the entities
3123 //
3124         // AK possible hack since num_edicts is still 0
3125         ent = PRVM_EDICT_NUM(0);
3126         memset (ent->fields.server, 0, prog->progs->entityfields * 4);
3127         ent->priv.server->free = false;
3128         ent->fields.server->model = PRVM_SetEngineString(sv.modelname);
3129         ent->fields.server->modelindex = 1;             // world model
3130         ent->fields.server->solid = SOLID_BSP;
3131         ent->fields.server->movetype = MOVETYPE_PUSH;
3132         VectorCopy(sv.world.mins, ent->fields.server->mins);
3133         VectorCopy(sv.world.maxs, ent->fields.server->maxs);
3134         VectorCopy(sv.world.mins, ent->fields.server->absmin);
3135         VectorCopy(sv.world.maxs, ent->fields.server->absmax);
3136
3137         if (coop.value)
3138                 prog->globals.server->coop = coop.integer;
3139         else
3140                 prog->globals.server->deathmatch = deathmatch.integer;
3141
3142         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
3143
3144 // serverflags are for cross level information (sigils)
3145         prog->globals.server->serverflags = svs.serverflags;
3146
3147         // we need to reset the spawned flag on all connected clients here so that
3148         // their thinks don't run during startup (before PutClientInServer)
3149         // we also need to set up the client entities now
3150         // and we need to set the ->edict pointers to point into the progs edicts
3151         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3152         {
3153                 host_client->spawned = false;
3154                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3155                 PRVM_ED_ClearEdict(host_client->edict);
3156         }
3157
3158         // load replacement entity file if found
3159         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true, NULL)))
3160         {
3161                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
3162                 PRVM_ED_LoadFromFile (entities);
3163                 Mem_Free(entities);
3164         }
3165         else
3166                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
3167
3168
3169         // LordHavoc: clear world angles (to fix e3m3.bsp)
3170         VectorClear(prog->edicts->fields.server->angles);
3171
3172 // all setup is completed, any further precache statements are errors
3173 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3174         prog->allowworldwrites = false;
3175
3176 // run two frames to allow everything to settle
3177         prog->globals.server->time = sv.time = 1.0001;
3178         for (i = 0;i < 2;i++)
3179         {
3180                 sv.frametime = 0.1;
3181                 SV_Physics ();
3182         }
3183
3184         if (cls.state == ca_dedicated)
3185                 Mod_PurgeUnused();
3186
3187 // create a baseline for more efficient communications
3188         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)
3189                 SV_CreateBaseline ();
3190
3191         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3192
3193         // to prevent network timeouts
3194         realtime = Sys_DoubleTime();
3195
3196 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3197         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3198         {
3199                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3200                 if (!host_client->active)
3201                         continue;
3202                 if (host_client->netconnection)
3203                         SV_SendServerinfo(host_client);
3204                 else
3205                 {
3206                         int j;
3207                         // if client is a botclient coming from a level change, we need to
3208                         // set up client info that normally requires networking
3209
3210                         // copy spawn parms out of the client_t
3211                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3212                                 (&prog->globals.server->parm1)[j] = host_client->spawn_parms[j];
3213
3214                         // call the spawn function
3215                         host_client->clientconnectcalled = true;
3216                         prog->globals.server->time = sv.time;
3217                         prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3218                         PRVM_ExecuteProgram (prog->globals.server->ClientConnect, "QC function ClientConnect is missing");
3219                         PRVM_ExecuteProgram (prog->globals.server->PutClientInServer, "QC function PutClientInServer is missing");
3220                         host_client->spawned = true;
3221                 }
3222         }
3223
3224         Con_DPrint("Server spawned.\n");
3225         NetConn_Heartbeat (2);
3226
3227         SV_VM_End();
3228 }
3229
3230 /////////////////////////////////////////////////////
3231 // SV VM stuff
3232
3233 static void SV_VM_CB_BeginIncreaseEdicts(void)
3234 {
3235         // links don't survive the transition, so unlink everything
3236         World_UnlinkAll(&sv.world);
3237 }
3238
3239 static void SV_VM_CB_EndIncreaseEdicts(void)
3240 {
3241         int i;
3242         prvm_edict_t *ent;
3243
3244         // link every entity except world
3245         for (i = 1, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
3246                 if (!ent->priv.server->free)
3247                         SV_LinkEdict(ent);
3248 }
3249
3250 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3251 {
3252         // LordHavoc: for consistency set these here
3253         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3254
3255         e->priv.server->move = false; // don't move on first frame
3256
3257         if (num >= 0 && num < svs.maxclients)
3258         {
3259                 prvm_eval_t *val;
3260                 // set colormap and team on newly created player entity
3261                 e->fields.server->colormap = num + 1;
3262                 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
3263                 // set netname/clientcolors back to client values so that
3264                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3265                 // reset them
3266                 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
3267                 if ((val = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.clientcolors)))
3268                         val->_float = svs.clients[num].colors;
3269                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3270                 if( prog->fieldoffsets.playermodel >= 0 )
3271                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(svs.clients[num].playermodel);
3272                 if( prog->fieldoffsets.playerskin >= 0 )
3273                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(svs.clients[num].playerskin);
3274                 // Assign netaddress (IP Address, etc)
3275                 if(prog->fieldoffsets.netaddress >= 0)
3276                 { // Valid Field; Process
3277                         if(svs.clients[num].netconnection != NULL)
3278                         {// Valid Address; Assign
3279                                 // Acquire Readable Address
3280                                 LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3281                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString(svs.clients[num].netaddress);
3282                         }
3283                         else
3284                                 // Invalid / Bot
3285                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString("null/botclient");
3286                 }
3287         }
3288 }
3289
3290 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3291 {
3292         int i;
3293         int e;
3294
3295         World_UnlinkEdict(ed);          // unlink from world bsp
3296
3297         ed->fields.server->model = 0;
3298         ed->fields.server->takedamage = 0;
3299         ed->fields.server->modelindex = 0;
3300         ed->fields.server->colormap = 0;
3301         ed->fields.server->skin = 0;
3302         ed->fields.server->frame = 0;
3303         VectorClear(ed->fields.server->origin);
3304         VectorClear(ed->fields.server->angles);
3305         ed->fields.server->nextthink = -1;
3306         ed->fields.server->solid = 0;
3307
3308         VM_RemoveEdictSkeleton(ed);
3309         World_Physics_RemoveFromEntity(&sv.world, ed);
3310         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3311
3312         // make sure csqc networking is aware of the removed entity
3313         e = PRVM_NUM_FOR_EDICT(ed);
3314         sv.csqcentityversion[e] = 0;
3315         for (i = 0;i < svs.maxclients;i++)
3316         {
3317                 if (svs.clients[i].csqcentityscope[e])
3318                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3319                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3320         }
3321 }
3322
3323 static void SV_VM_CB_CountEdicts(void)
3324 {
3325         int             i;
3326         prvm_edict_t    *ent;
3327         int             active, models, solid, step;
3328
3329         active = models = solid = step = 0;
3330         for (i=0 ; i<prog->num_edicts ; i++)
3331         {
3332                 ent = PRVM_EDICT_NUM(i);
3333                 if (ent->priv.server->free)
3334                         continue;
3335                 active++;
3336                 if (ent->fields.server->solid)
3337                         solid++;
3338                 if (ent->fields.server->model)
3339                         models++;
3340                 if (ent->fields.server->movetype == MOVETYPE_STEP)
3341                         step++;
3342         }
3343
3344         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3345         Con_Printf("active    :%3i\n", active);
3346         Con_Printf("view      :%3i\n", models);
3347         Con_Printf("touch     :%3i\n", solid);
3348         Con_Printf("step      :%3i\n", step);
3349 }
3350
3351 static qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
3352 {
3353         // remove things from different skill levels or deathmatch
3354         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3355         {
3356                 if (deathmatch.integer)
3357                 {
3358                         if (((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
3359                         {
3360                                 return false;
3361                         }
3362                 }
3363                 else if ((current_skill <= 0 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_EASY  ))
3364                         || (current_skill == 1 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_MEDIUM))
3365                         || (current_skill >= 2 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_HARD  )))
3366                 {
3367                         return false;
3368                 }
3369         }
3370         return true;
3371 }
3372
3373 static void SV_VM_Setup(void)
3374 {
3375         PRVM_Begin;
3376         PRVM_InitProg( PRVM_SERVERPROG );
3377
3378         // allocate the mempools
3379         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3380         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3381         prog->builtins = vm_sv_builtins;
3382         prog->numbuiltins = vm_sv_numbuiltins;
3383         prog->headercrc = PROGHEADER_CRC;
3384         prog->headercrc2 = PROGHEADER_CRC_TENEBRAE;
3385         prog->max_edicts = 512;
3386         if (sv.protocol == PROTOCOL_QUAKE)
3387                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3388         else if (sv.protocol == PROTOCOL_QUAKEDP)
3389                 prog->limit_edicts = 2048; // guessing
3390         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3391                 prog->limit_edicts = 2048; // guessing!
3392         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3393                 prog->limit_edicts = 4096; // guessing!
3394         else
3395                 prog->limit_edicts = MAX_EDICTS;
3396         prog->reserved_edicts = svs.maxclients;
3397         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3398         prog->name = "server";
3399         prog->extensionstring = vm_sv_extensions;
3400         prog->loadintoworld = true;
3401
3402         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
3403         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
3404         prog->init_edict = SV_VM_CB_InitEdict;
3405         prog->free_edict = SV_VM_CB_FreeEdict;
3406         prog->count_edicts = SV_VM_CB_CountEdicts;
3407         prog->load_edict = SV_VM_CB_LoadEdict;
3408         prog->init_cmd = VM_SV_Cmd_Init;
3409         prog->reset_cmd = VM_SV_Cmd_Reset;
3410         prog->error_cmd = Host_Error;
3411         prog->ExecuteProgram = SVVM_ExecuteProgram;
3412
3413         // TODO: add a requiredfuncs list (ask LH if this is necessary at all)
3414         PRVM_LoadProgs( sv_progs.string, 0, NULL, REQFIELDS, reqfields, 0, NULL );
3415
3416         // some mods compiled with scrambling compilers lack certain critical
3417         // global names and field names such as "self" and "time" and "nextthink"
3418         // so we have to set these offsets manually, matching the entvars_t
3419         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3420         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3421         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3422         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3423         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3424         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3425         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3426         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3427         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3428         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3429         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3430         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3431         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3432         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3433         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3434         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3435         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3436         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3437         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3438         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3439         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3440         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3441         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3442         // OP_STATE is always supported on server (due to entvars_t)
3443         prog->flag |= PRVM_OP_STATE;
3444
3445         VM_CustomStats_Clear();//[515]: csqc
3446
3447         PRVM_End;
3448
3449         SV_Prepare_CSQC();
3450 }
3451
3452 void SV_VM_Begin(void)
3453 {
3454         PRVM_Begin;
3455         PRVM_SetProg( PRVM_SERVERPROG );
3456
3457         prog->globals.server->time = (float) sv.time;
3458 }
3459
3460 void SV_VM_End(void)
3461 {
3462         PRVM_End;
3463 }