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