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
1447         // if there isn't enough space to accomplish anything, skip it
1448         if (msg->cursize + 25 > maxsize)
1449                 return;
1450
1451         sv.writeentitiestoclient_msg = msg;
1452         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1453
1454         sv.writeentitiestoclient_stats_culled_pvs = 0;
1455         sv.writeentitiestoclient_stats_culled_trace = 0;
1456         sv.writeentitiestoclient_stats_visibleentities = 0;
1457         sv.writeentitiestoclient_stats_totalentities = 0;
1458
1459 // find the client's PVS
1460         // the real place being tested from
1461         camera = PRVM_EDICT_NUM( client->clientcamera );
1462         VectorAdd(camera->fields.server->origin, clent->fields.server->view_ofs, sv.writeentitiestoclient_testeye);
1463         sv.writeentitiestoclient_pvsbytes = 0;
1464         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1465                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv.writeentitiestoclient_testeye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), false);
1466
1467         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1468
1469         sv.sententitiesmark++;
1470
1471         for (i = 0;i < sv.numsendentities;i++)
1472                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1473
1474         numsendstates = 0;
1475         for (i = 0;i < sv.numsendentities;i++)
1476         {
1477                 if (sv.sententities[sv.sendentities[i].number] == sv.sententitiesmark)
1478                 {
1479                         s = &sv.writeentitiestoclient_sendstates[numsendstates++];
1480                         *s = sv.sendentities[i];
1481                         if (s->exteriormodelforclient && s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1482                                 s->flags |= RENDER_EXTERIORMODEL;
1483                 }
1484         }
1485
1486         if (sv_cullentities_stats.integer)
1487                 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);
1488
1489         if(client->entitydatabase5)
1490                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates, client->entitydatabase5->latestframenum + 1);
1491         else
1492                 EntityFrameCSQC_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates, 0);
1493
1494         if (client->entitydatabase5)
1495                 EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1496         else if (client->entitydatabase4)
1497         {
1498                 EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1499                 Protocol_WriteStatsReliable();
1500         }
1501         else if (client->entitydatabase)
1502         {
1503                 EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1504                 Protocol_WriteStatsReliable();
1505         }
1506         else
1507         {
1508                 EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1509                 Protocol_WriteStatsReliable();
1510         }
1511 }
1512
1513 /*
1514 =============
1515 SV_CleanupEnts
1516
1517 =============
1518 */
1519 static void SV_CleanupEnts (void)
1520 {
1521         int             e;
1522         prvm_edict_t    *ent;
1523
1524         ent = PRVM_NEXT_EDICT(prog->edicts);
1525         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1526                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1527 }
1528
1529 /*
1530 ==================
1531 SV_WriteClientdataToMessage
1532
1533 ==================
1534 */
1535 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1536 {
1537         int             bits;
1538         int             i;
1539         prvm_edict_t    *other;
1540         int             items;
1541         prvm_eval_t     *val;
1542         vec3_t  punchvector;
1543         int             viewzoom;
1544         const char *s;
1545         float   *statsf = (float *)stats;
1546
1547 //
1548 // send a damage message
1549 //
1550         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1551         {
1552                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1553                 MSG_WriteByte (msg, svc_damage);
1554                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1555                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1556                 for (i=0 ; i<3 ; i++)
1557                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1558
1559                 ent->fields.server->dmg_take = 0;
1560                 ent->fields.server->dmg_save = 0;
1561         }
1562
1563 //
1564 // send the current viewpos offset from the view entity
1565 //
1566         SV_SetIdealPitch ();            // how much to look up / down ideally
1567
1568 // a fixangle might get lost in a dropped packet.  Oh well.
1569         if(ent->fields.server->fixangle)
1570         {
1571                 // angle fixing was requested by global thinking code...
1572                 // so store the current angles for later use
1573                 memcpy(host_client->fixangle_angles, ent->fields.server->angles, sizeof(host_client->fixangle_angles));
1574                 host_client->fixangle_angles_set = TRUE;
1575
1576                 // and clear fixangle for the next frame
1577                 ent->fields.server->fixangle = 0;
1578         }
1579
1580         if (host_client->fixangle_angles_set)
1581         {
1582                 MSG_WriteByte (msg, svc_setangle);
1583                 for (i=0 ; i < 3 ; i++)
1584                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1585                 host_client->fixangle_angles_set = FALSE;
1586         }
1587
1588         // stuff the sigil bits into the high bits of items for sbar, or else
1589         // mix in items2
1590         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
1591         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1592                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1593         else
1594                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1595
1596         VectorClear(punchvector);
1597         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
1598                 VectorCopy(val->vector, punchvector);
1599
1600         // cache weapon model name and index in client struct to save time
1601         // (this search can be almost 1% of cpu time!)
1602         s = PRVM_GetString(ent->fields.server->weaponmodel);
1603         if (strcmp(s, client->weaponmodel))
1604         {
1605                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1606                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1607         }
1608
1609         viewzoom = 255;
1610         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
1611                 viewzoom = (int)(val->_float * 255.0f);
1612         if (viewzoom == 0)
1613                 viewzoom = 255;
1614
1615         bits = 0;
1616
1617         if ((int)ent->fields.server->flags & FL_ONGROUND)
1618                 bits |= SU_ONGROUND;
1619         if (ent->fields.server->waterlevel >= 2)
1620                 bits |= SU_INWATER;
1621         if (ent->fields.server->idealpitch)
1622                 bits |= SU_IDEALPITCH;
1623
1624         for (i=0 ; i<3 ; i++)
1625         {
1626                 if (ent->fields.server->punchangle[i])
1627                         bits |= (SU_PUNCH1<<i);
1628                 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)
1629                         if (punchvector[i])
1630                                 bits |= (SU_PUNCHVEC1<<i);
1631                 if (ent->fields.server->velocity[i])
1632                         bits |= (SU_VELOCITY1<<i);
1633         }
1634
1635         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1636         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
1637         stats[STAT_ITEMS] = items;
1638         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
1639         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
1640         stats[STAT_WEAPON] = client->weaponmodelindex;
1641         stats[STAT_HEALTH] = (int)ent->fields.server->health;
1642         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
1643         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
1644         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
1645         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
1646         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
1647         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
1648         stats[STAT_VIEWZOOM] = viewzoom;
1649         stats[STAT_TOTALSECRETS] = (int)prog->globals.server->total_secrets;
1650         stats[STAT_TOTALMONSTERS] = (int)prog->globals.server->total_monsters;
1651         // the QC bumps these itself by sending svc_'s, so we have to keep them
1652         // zero or they'll be corrected by the engine
1653         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1654         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1655
1656         // movement settings for prediction
1657         // note: these are not sent in protocols with lower MAX_CL_STATS limits
1658         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
1659         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
1660         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
1661         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
1662         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
1663         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
1664         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
1665         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
1666         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
1667         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.gravity);
1668         statsf[STAT_MOVEVARS_ENTGRAVITY] = (val && val->_float != 0) ? val->_float : 1.0f;
1669         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
1670         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
1671         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
1672         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
1673         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
1674         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
1675         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
1676         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
1677         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
1678         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
1679         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
1680         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
1681         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
1682         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
1683         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
1684         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
1685         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
1686         statsf[STAT_FRAGLIMIT] = fraglimit.value;
1687         statsf[STAT_TIMELIMIT] = timelimit.value;
1688
1689         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)
1690         {
1691                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
1692                 bits |= SU_ITEMS;
1693                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
1694                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
1695                 bits |= SU_WEAPON;
1696                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
1697                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1698                         if (viewzoom != 255)
1699                                 bits |= SU_VIEWZOOM;
1700         }
1701
1702         if (bits >= 65536)
1703                 bits |= SU_EXTEND1;
1704         if (bits >= 16777216)
1705                 bits |= SU_EXTEND2;
1706
1707         // send the data
1708         MSG_WriteByte (msg, svc_clientdata);
1709         MSG_WriteShort (msg, bits);
1710         if (bits & SU_EXTEND1)
1711                 MSG_WriteByte(msg, bits >> 16);
1712         if (bits & SU_EXTEND2)
1713                 MSG_WriteByte(msg, bits >> 24);
1714
1715         if (bits & SU_VIEWHEIGHT)
1716                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
1717
1718         if (bits & SU_IDEALPITCH)
1719                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
1720
1721         for (i=0 ; i<3 ; i++)
1722         {
1723                 if (bits & (SU_PUNCH1<<i))
1724                 {
1725                         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)
1726                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
1727                         else
1728                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
1729                 }
1730                 if (bits & (SU_PUNCHVEC1<<i))
1731                 {
1732                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1733                                 MSG_WriteCoord16i(msg, punchvector[i]);
1734                         else
1735                                 MSG_WriteCoord32f(msg, punchvector[i]);
1736                 }
1737                 if (bits & (SU_VELOCITY1<<i))
1738                 {
1739                         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)
1740                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
1741                         else
1742                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
1743                 }
1744         }
1745
1746         if (bits & SU_ITEMS)
1747                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
1748
1749         if (sv.protocol == PROTOCOL_DARKPLACES5)
1750         {
1751                 if (bits & SU_WEAPONFRAME)
1752                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
1753                 if (bits & SU_ARMOR)
1754                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
1755                 if (bits & SU_WEAPON)
1756                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
1757                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1758                 MSG_WriteShort (msg, stats[STAT_AMMO]);
1759                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
1760                 MSG_WriteShort (msg, stats[STAT_NAILS]);
1761                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
1762                 MSG_WriteShort (msg, stats[STAT_CELLS]);
1763                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
1764                 if (bits & SU_VIEWZOOM)
1765                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1766         }
1767         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)
1768         {
1769                 if (bits & SU_WEAPONFRAME)
1770                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
1771                 if (bits & SU_ARMOR)
1772                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
1773                 if (bits & SU_WEAPON)
1774                 {
1775                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
1776                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
1777                         else
1778                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
1779                 }
1780                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1781                 MSG_WriteByte (msg, stats[STAT_AMMO]);
1782                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
1783                 MSG_WriteByte (msg, stats[STAT_NAILS]);
1784                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
1785                 MSG_WriteByte (msg, stats[STAT_CELLS]);
1786                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1787                 {
1788                         for (i = 0;i < 32;i++)
1789                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
1790                                         break;
1791                         MSG_WriteByte (msg, i);
1792                 }
1793                 else
1794                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
1795                 if (bits & SU_VIEWZOOM)
1796                 {
1797                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1798                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
1799                         else
1800                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1801                 }
1802         }
1803 }
1804
1805 void SV_FlushBroadcastMessages(void)
1806 {
1807         int i;
1808         client_t *client;
1809         if (sv.datagram.cursize <= 0)
1810                 return;
1811         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
1812         {
1813                 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])))
1814                         continue;
1815                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
1816                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
1817         }
1818         SZ_Clear(&sv.datagram);
1819 }
1820
1821 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize)
1822 {
1823         // scan the splitpoints to find out how many we can fit in
1824         int numsegments, j, split;
1825         if (!client->unreliablemsg_splitpoints)
1826                 return;
1827         // always accept the first one if it's within 1024 bytes, this ensures
1828         // that very big datagrams which are over the rate limit still get
1829         // through, just to keep it working
1830         j = msg->cursize + client->unreliablemsg_splitpoint[0];
1831         if (maxsize < 1024 && j > maxsize && j <= 1024)
1832         {
1833                 numsegments = 1;
1834                 maxsize = 1024;
1835         }
1836         else
1837                 for (numsegments = 0;numsegments < client->unreliablemsg_splitpoints;numsegments++)
1838                         if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
1839                                 break;
1840         if (numsegments > 0)
1841         {
1842                 // some will fit, so add the ones that will fit
1843                 split = client->unreliablemsg_splitpoint[numsegments-1];
1844                 // note this discards ones that were accepted by the segments scan but
1845                 // can not fit, such as a really huge first one that will never ever
1846                 // fit in a packet...
1847                 if (msg->cursize + split <= maxsize)
1848                         SZ_Write(msg, client->unreliablemsg.data, split);
1849                 // remove the part we sent, keeping any remaining data
1850                 client->unreliablemsg.cursize -= split;
1851                 if (client->unreliablemsg.cursize > 0)
1852                         memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
1853                 // adjust remaining splitpoints
1854                 client->unreliablemsg_splitpoints -= numsegments;
1855                 for (j = 0;j < client->unreliablemsg_splitpoints;j++)
1856                         client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
1857         }
1858 }
1859
1860 /*
1861 =======================
1862 SV_SendClientDatagram
1863 =======================
1864 */
1865 static void SV_SendClientDatagram (client_t *client)
1866 {
1867         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
1868         sizebuf_t msg;
1869         int stats[MAX_CL_STATS];
1870         unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
1871
1872         // obey rate limit by limiting packet frequency if the packet size
1873         // limiting fails
1874         // (usually this is caused by reliable messages)
1875         if (!NetConn_CanSend(client->netconnection))
1876                 return;
1877
1878         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
1879         maxrate = max(NET_MINRATE, sv_maxrate.integer);
1880         if (sv_maxrate.integer != maxrate)
1881                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
1882
1883         // clientrate determines the 'cleartime' of a packet
1884         // (how long to wait before sending another, based on this packet's size)
1885         clientrate = bound(NET_MINRATE, client->rate, maxrate);
1886
1887         switch (sv.protocol)
1888         {
1889         case PROTOCOL_QUAKE:
1890         case PROTOCOL_QUAKEDP:
1891         case PROTOCOL_NEHAHRAMOVIE:
1892         case PROTOCOL_NEHAHRABJP:
1893         case PROTOCOL_NEHAHRABJP2:
1894         case PROTOCOL_NEHAHRABJP3:
1895         case PROTOCOL_QUAKEWORLD:
1896                 // no packet size limit support on Quake protocols because it just
1897                 // causes missing entities/effects
1898                 // packets are simply sent less often to obey the rate limit
1899                 maxsize = 1024;
1900                 maxsize2 = 1024;
1901                 break;
1902         case PROTOCOL_DARKPLACES1:
1903         case PROTOCOL_DARKPLACES2:
1904         case PROTOCOL_DARKPLACES3:
1905         case PROTOCOL_DARKPLACES4:
1906                 // no packet size limit support on DP1-4 protocols because they kick
1907                 // the client off if they overflow, and miss effects
1908                 // packets are simply sent less often to obey the rate limit
1909                 maxsize = sizeof(sv_sendclientdatagram_buf);
1910                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
1911                 break;
1912         default:
1913                 // DP5 and later protocols support packet size limiting which is a
1914                 // better method than limiting packet frequency as QW does
1915                 //
1916                 // at very low rates (or very small sys_ticrate) the packet size is
1917                 // not reduced below 128, but packets may be sent less often
1918                 maxsize = (int)(clientrate * sys_ticrate.value);
1919                 maxsize = bound(128, maxsize, 1400);
1920                 maxsize2 = 1400;
1921                 // csqc entities can easily exceed 128 bytes, so disable throttling in
1922                 // mods that use csqc (they are likely to use less bandwidth anyway)
1923                 if (sv.csqc_progsize > 0)
1924                         maxsize = maxsize2;
1925                 break;
1926         }
1927
1928         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
1929         {
1930                 // for good singleplayer, send huge packets
1931                 maxsize = sizeof(sv_sendclientdatagram_buf);
1932                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
1933                 // never limit frequency in singleplayer
1934                 clientrate = 1000000000;
1935         }
1936
1937         // while downloading, limit entity updates to half the packet
1938         // (any leftover space will be used for downloading)
1939         if (host_client->download_file)
1940                 maxsize /= 2;
1941
1942         msg.data = sv_sendclientdatagram_buf;
1943         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
1944         msg.cursize = 0;
1945         msg.allowoverflow = false;
1946
1947         if (host_client->spawned)
1948         {
1949                 // the player is in the game
1950                 MSG_WriteByte (&msg, svc_time);
1951                 MSG_WriteFloat (&msg, sv.time);
1952
1953                 // add the client specific data to the datagram
1954                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
1955                 // now update the stats[] array using any registered custom fields
1956                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
1957                 // set host_client->statsdeltabits
1958                 Protocol_UpdateClientStats (stats);
1959
1960                 // add as many queued unreliable messages (effects) as we can fit
1961                 // limit effects to half of the remaining space
1962                 if (client->unreliablemsg.cursize)
1963                         SV_WriteUnreliableMessages (client, &msg, (msg.cursize + maxsize) / 2);
1964
1965                 // now write as many entities as we can fit, and also sends stats
1966                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
1967         }
1968         else if (realtime > client->keepalivetime)
1969         {
1970                 // the player isn't totally in the game yet
1971                 // send small keepalive messages if too much time has passed
1972                 // (may also be sending downloads)
1973                 client->keepalivetime = realtime + 5;
1974                 MSG_WriteChar (&msg, svc_nop);
1975         }
1976
1977         // if a download is active, see if there is room to fit some download data
1978         // in this packet
1979         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
1980         if (host_client->download_file && host_client->download_started && downloadsize > 0)
1981         {
1982                 fs_offset_t downloadstart;
1983                 unsigned char data[1400];
1984                 downloadstart = FS_Tell(host_client->download_file);
1985                 downloadsize = min(downloadsize, (int)sizeof(data));
1986                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
1987                 // note this sends empty messages if at the end of the file, which is
1988                 // necessary to keep the packet loss logic working
1989                 // (the last blocks may be lost and need to be re-sent, and that will
1990                 //  only occur if the client acks the empty end messages, revealing
1991                 //  a gap in the download progress, causing the last blocks to be
1992                 //  sent again)
1993                 MSG_WriteChar (&msg, svc_downloaddata);
1994                 MSG_WriteLong (&msg, downloadstart);
1995                 MSG_WriteShort (&msg, downloadsize);
1996                 if (downloadsize > 0)
1997                         SZ_Write (&msg, data, downloadsize);
1998         }
1999
2000         // reliable only if none is in progress
2001         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2002                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2003         // unreliable
2004         SV_WriteDemoMessage(client, &msg, false);
2005
2006 // send the datagram
2007         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2008         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2009                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2010 }
2011
2012 /*
2013 =======================
2014 SV_UpdateToReliableMessages
2015 =======================
2016 */
2017 static void SV_UpdateToReliableMessages (void)
2018 {
2019         int i, j;
2020         client_t *client;
2021         prvm_eval_t *val;
2022         const char *name;
2023         const char *model;
2024         const char *skin;
2025
2026 // check for changes to be sent over the reliable streams
2027         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2028         {
2029                 // update the host_client fields we care about according to the entity fields
2030                 host_client->edict = PRVM_EDICT_NUM(i+1);
2031
2032                 // DP_SV_CLIENTNAME
2033                 name = PRVM_GetString(host_client->edict->fields.server->netname);
2034                 if (name == NULL)
2035                         name = "";
2036                 // always point the string back at host_client->name to keep it safe
2037                 strlcpy (host_client->name, name, sizeof (host_client->name));
2038                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
2039                 if (strcmp(host_client->old_name, host_client->name))
2040                 {
2041                         if (host_client->spawned)
2042                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2043                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2044                         // send notification to all clients
2045                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2046                         MSG_WriteByte (&sv.reliable_datagram, i);
2047                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2048                         SV_WriteNetnameIntoDemo(host_client);
2049                 }
2050
2051                 // DP_SV_CLIENTCOLORS
2052                 // this is always found (since it's added by the progs loader)
2053                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
2054                         host_client->colors = (int)val->_float;
2055                 if (host_client->old_colors != host_client->colors)
2056                 {
2057                         host_client->old_colors = host_client->colors;
2058                         // send notification to all clients
2059                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2060                         MSG_WriteByte (&sv.reliable_datagram, i);
2061                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2062                 }
2063
2064                 // NEXUIZ_PLAYERMODEL
2065                 if( prog->fieldoffsets.playermodel >= 0 ) {
2066                         model = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string);
2067                         if (model == NULL)
2068                                 model = "";
2069                         // always point the string back at host_client->name to keep it safe
2070                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2071                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
2072                 }
2073
2074                 // NEXUIZ_PLAYERSKIN
2075                 if( prog->fieldoffsets.playerskin >= 0 ) {
2076                         skin = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string);
2077                         if (skin == NULL)
2078                                 skin = "";
2079                         // always point the string back at host_client->name to keep it safe
2080                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2081                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
2082                 }
2083
2084                 // TODO: add an extension name for this [1/17/2008 Black]
2085                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcamera)) && val->edict > 0 ) {
2086                         int oldclientcamera = host_client->clientcamera;
2087                         if( val->edict >= prog->max_edicts || PRVM_EDICT_NUM( val->edict )->priv.required->free ) {
2088                                 val->edict = host_client->clientcamera = PRVM_NUM_FOR_EDICT( host_client->edict );
2089                         } else {
2090                                 host_client->clientcamera = val->edict;
2091                         }
2092
2093                         if( oldclientcamera != host_client->clientcamera ) {
2094                                 MSG_WriteByte (&sv.reliable_datagram, svc_setview );
2095                                 MSG_WriteShort (&host_client->netconnection->message, host_client->clientcamera);
2096                         }
2097                 }
2098
2099                 // frags
2100                 host_client->frags = (int)host_client->edict->fields.server->frags;
2101                 if(gamemode == GAME_NEXUIZ)
2102                         if(!host_client->spawned && host_client->netconnection)
2103                                 host_client->frags = -666;
2104                 if (host_client->old_frags != host_client->frags)
2105                 {
2106                         host_client->old_frags = host_client->frags;
2107                         // send notification to all clients
2108                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2109                         MSG_WriteByte (&sv.reliable_datagram, i);
2110                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2111                 }
2112         }
2113
2114         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2115                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2116                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2117
2118         SZ_Clear (&sv.reliable_datagram);
2119 }
2120
2121
2122 /*
2123 =======================
2124 SV_SendClientMessages
2125 =======================
2126 */
2127 void SV_SendClientMessages (void)
2128 {
2129         int i, prepared = false;
2130
2131         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2132                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2133
2134         SV_FlushBroadcastMessages();
2135
2136 // update frags, names, etc
2137         SV_UpdateToReliableMessages();
2138
2139 // build individual updates
2140         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2141         {
2142                 if (!host_client->active)
2143                         continue;
2144                 if (!host_client->netconnection)
2145                         continue;
2146
2147                 if (host_client->netconnection->message.overflowed)
2148                 {
2149                         SV_DropClient (true);   // if the message couldn't send, kick off
2150                         continue;
2151                 }
2152
2153                 if (!prepared)
2154                 {
2155                         prepared = true;
2156                         // only prepare entities once per frame
2157                         SV_PrepareEntitiesForSending();
2158                 }
2159                 SV_SendClientDatagram (host_client);
2160         }
2161
2162 // clear muzzle flashes
2163         SV_CleanupEnts();
2164 }
2165
2166 static void SV_StartDownload_f(void)
2167 {
2168         if (host_client->download_file)
2169                 host_client->download_started = true;
2170 }
2171
2172 /*
2173  * Compression extension negotiation:
2174  *
2175  * Server to client:
2176  *   cl_serverextension_download 2
2177  *
2178  * Client to server:
2179  *   download <filename> <list of zero or more suppported compressions in order of preference>
2180  * e.g.
2181  *   download maps/map1.bsp lzo deflate huffman
2182  *
2183  * Server to client:
2184  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2185  * e.g.
2186  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2187  *
2188  * The server may choose not to compress the file by sending no compression name, like:
2189  *   cl_downloadbegin 345678 maps/map1.bsp
2190  *
2191  * NOTE: the "download" command may only specify compression algorithms if
2192  *       cl_serverextension_download is 2!
2193  *       If cl_serverextension_download has a different value, the client must
2194  *       assume this extension is not supported!
2195  */
2196
2197 static void Download_CheckExtensions(void)
2198 {
2199         int i;
2200         int argc = Cmd_Argc();
2201
2202         // first reset them all
2203         host_client->download_deflate = false;
2204
2205         for(i = 2; i < argc; ++i)
2206         {
2207                 if(!strcmp(Cmd_Argv(i), "deflate"))
2208                 {
2209                         host_client->download_deflate = true;
2210                         break;
2211                 }
2212         }
2213 }
2214
2215 static void SV_Download_f(void)
2216 {
2217         const char *whichpack, *whichpack2, *extension;
2218         qboolean is_csqc; // so we need to check only once
2219
2220         if (Cmd_Argc() < 2)
2221         {
2222                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2223                 SV_ClientPrintf("       supported extensions: deflate\n");
2224                 return;
2225         }
2226
2227         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2228         {
2229                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2230                 return;
2231         }
2232
2233         if (host_client->download_file)
2234         {
2235                 // at this point we'll assume the previous download should be aborted
2236                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2237                 Host_ClientCommands("\nstopdownload\n");
2238
2239                 // close the file and reset variables
2240                 FS_Close(host_client->download_file);
2241                 host_client->download_file = NULL;
2242                 host_client->download_name[0] = 0;
2243                 host_client->download_expectedposition = 0;
2244                 host_client->download_started = false;
2245         }
2246
2247         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2248
2249         if (!sv_allowdownloads.integer && !is_csqc)
2250         {
2251                 SV_ClientPrintf("Downloads are disabled on this server\n");
2252                 Host_ClientCommands("\nstopdownload\n");
2253                 return;
2254         }
2255
2256         Download_CheckExtensions();
2257
2258         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2259         extension = FS_FileExtension(host_client->download_name);
2260
2261         // host_client is asking to download a specified file
2262         if (developer.integer >= 100)
2263                 Con_Printf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2264
2265         if(is_csqc)
2266         {
2267                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2268                 extensions[0] = '\0';
2269
2270                 if(host_client->download_deflate)
2271                         strlcat(extensions, " deflate", sizeof(extensions));
2272
2273                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2274
2275                 if(host_client->download_deflate)
2276                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2277                 else
2278                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2279
2280                 // no, no space is needed between %s and %s :P
2281                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2282
2283                 host_client->download_expectedposition = 0;
2284                 host_client->download_started = false;
2285                 host_client->sendsignon = true; // make sure this message is sent
2286                 return;
2287         }
2288
2289         if (!FS_FileExists(host_client->download_name))
2290         {
2291                 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);
2292                 Host_ClientCommands("\nstopdownload\n");
2293                 return;
2294         }
2295
2296         // check if the user is trying to download part of registered Quake(r)
2297         whichpack = FS_WhichPack(host_client->download_name);
2298         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2299         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2300         {
2301                 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);
2302                 Host_ClientCommands("\nstopdownload\n");
2303                 return;
2304         }
2305
2306         // check if the server has forbidden archive downloads entirely
2307         if (!sv_allowdownloads_inarchive.integer)
2308         {
2309                 whichpack = FS_WhichPack(host_client->download_name);
2310                 if (whichpack)
2311                 {
2312                         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);
2313                         Host_ClientCommands("\nstopdownload\n");
2314                         return;
2315                 }
2316         }
2317
2318         if (!sv_allowdownloads_config.integer)
2319         {
2320                 if (!strcasecmp(extension, "cfg"))
2321                 {
2322                         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);
2323                         Host_ClientCommands("\nstopdownload\n");
2324                         return;
2325                 }
2326         }
2327
2328         if (!sv_allowdownloads_dlcache.integer)
2329         {
2330                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2331                 {
2332                         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);
2333                         Host_ClientCommands("\nstopdownload\n");
2334                         return;
2335                 }
2336         }
2337
2338         if (!sv_allowdownloads_archive.integer)
2339         {
2340                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2341                 {
2342                         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);
2343                         Host_ClientCommands("\nstopdownload\n");
2344                         return;
2345                 }
2346         }
2347
2348         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2349         if (!host_client->download_file)
2350         {
2351                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2352                 Host_ClientCommands("\nstopdownload\n");
2353                 return;
2354         }
2355
2356         if (FS_FileSize(host_client->download_file) > 1<<30)
2357         {
2358                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2359                 Host_ClientCommands("\nstopdownload\n");
2360                 FS_Close(host_client->download_file);
2361                 host_client->download_file = NULL;
2362                 return;
2363         }
2364
2365         if (FS_FileSize(host_client->download_file) < 0)
2366         {
2367                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\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         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2375
2376         /*
2377          * we can only do this if we would actually deflate on the fly
2378          * which we do not (yet)!
2379         {
2380                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2381                 extensions[0] = '\0';
2382
2383                 if(host_client->download_deflate)
2384                         strlcat(extensions, " deflate", sizeof(extensions));
2385
2386                 // no, no space is needed between %s and %s :P
2387                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2388         }
2389         */
2390         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2391
2392         host_client->download_expectedposition = 0;
2393         host_client->download_started = false;
2394         host_client->sendsignon = true; // make sure this message is sent
2395
2396         // the rest of the download process is handled in SV_SendClientDatagram
2397         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2398         //
2399         // no svc_downloaddata messages will be sent until sv_startdownload is
2400         // sent by the client
2401 }
2402
2403 /*
2404 ==============================================================================
2405
2406 SERVER SPAWNING
2407
2408 ==============================================================================
2409 */
2410
2411 /*
2412 ================
2413 SV_ModelIndex
2414
2415 ================
2416 */
2417 int SV_ModelIndex(const char *s, int precachemode)
2418 {
2419         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);
2420         char filename[MAX_QPATH];
2421         if (!s || !*s)
2422                 return 0;
2423         // testing
2424         //if (precachemode == 2)
2425         //      return 0;
2426         strlcpy(filename, s, sizeof(filename));
2427         for (i = 2;i < limit;i++)
2428         {
2429                 if (!sv.model_precache[i][0])
2430                 {
2431                         if (precachemode)
2432                         {
2433                                 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))
2434                                 {
2435                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2436                                         return 0;
2437                                 }
2438                                 if (precachemode == 1)
2439                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2440                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2441                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.modelname : NULL);
2442                                 if (sv.state != ss_loading)
2443                                 {
2444                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2445                                         MSG_WriteShort(&sv.reliable_datagram, i);
2446                                         MSG_WriteString(&sv.reliable_datagram, filename);
2447                                 }
2448                                 return i;
2449                         }
2450                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2451                         return 0;
2452                 }
2453                 if (!strcmp(sv.model_precache[i], filename))
2454                         return i;
2455         }
2456         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2457         return 0;
2458 }
2459
2460 /*
2461 ================
2462 SV_SoundIndex
2463
2464 ================
2465 */
2466 int SV_SoundIndex(const char *s, int precachemode)
2467 {
2468         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);
2469         char filename[MAX_QPATH];
2470         if (!s || !*s)
2471                 return 0;
2472         // testing
2473         //if (precachemode == 2)
2474         //      return 0;
2475         strlcpy(filename, s, sizeof(filename));
2476         for (i = 1;i < limit;i++)
2477         {
2478                 if (!sv.sound_precache[i][0])
2479                 {
2480                         if (precachemode)
2481                         {
2482                                 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))
2483                                 {
2484                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2485                                         return 0;
2486                                 }
2487                                 if (precachemode == 1)
2488                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2489                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2490                                 if (sv.state != ss_loading)
2491                                 {
2492                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2493                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2494                                         MSG_WriteString(&sv.reliable_datagram, filename);
2495                                 }
2496                                 return i;
2497                         }
2498                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2499                         return 0;
2500                 }
2501                 if (!strcmp(sv.sound_precache[i], filename))
2502                         return i;
2503         }
2504         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2505         return 0;
2506 }
2507
2508 /*
2509 ================
2510 SV_ParticleEffectIndex
2511
2512 ================
2513 */
2514 int SV_ParticleEffectIndex(const char *name)
2515 {
2516         int i, argc, linenumber, effectnameindex;
2517         fs_offset_t filesize;
2518         unsigned char *filedata;
2519         const char *text, *textstart, *textend;
2520         char argv[16][1024];
2521         if (!sv.particleeffectnamesloaded)
2522         {
2523                 sv.particleeffectnamesloaded = true;
2524                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2525                 for (i = 0;i < EFFECT_TOTAL;i++)
2526                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2527                 filedata = FS_LoadFile("effectinfo.txt", tempmempool, true, &filesize);
2528                 if (filedata)
2529                 {
2530                         textstart = (const char *)filedata;
2531                         textend = (const char *)filedata + filesize;
2532                         text = textstart;
2533                         for (linenumber = 1;;linenumber++)
2534                         {
2535                                 argc = 0;
2536                                 for (;;)
2537                                 {
2538                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2539                                                 break;
2540                                         if (argc < 16)
2541                                         {
2542                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2543                                                 argc++;
2544                                         }
2545                                 }
2546                                 if (com_token[0] == 0)
2547                                         break; // if the loop exited and it's not a \n, it's EOF
2548                                 if (argc < 1)
2549                                         continue;
2550                                 if (!strcmp(argv[0], "effect"))
2551                                 {
2552                                         if (argc == 2)
2553                                         {
2554                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2555                                                 {
2556                                                         if (sv.particleeffectname[effectnameindex][0])
2557                                                         {
2558                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2559                                                                         break;
2560                                                         }
2561                                                         else
2562                                                         {
2563                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2564                                                                 break;
2565                                                         }
2566                                                 }
2567                                                 // if we run out of names, abort
2568                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2569                                                 {
2570                                                         Con_Printf("effectinfo.txt:%i: too many effects!\n", linenumber);
2571                                                         break;
2572                                                 }
2573                                         }
2574                                 }
2575                         }
2576                         Mem_Free(filedata);
2577                 }
2578         }
2579         // search for the name
2580         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2581                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2582                         return effectnameindex;
2583         // return 0 if we couldn't find it
2584         return 0;
2585 }
2586
2587 /*
2588 ================
2589 SV_CreateBaseline
2590
2591 ================
2592 */
2593 static void SV_CreateBaseline (void)
2594 {
2595         int i, entnum, large;
2596         prvm_edict_t *svent;
2597
2598         // LordHavoc: clear *all* states (note just active ones)
2599         for (entnum = 0;entnum < prog->max_edicts;entnum++)
2600         {
2601                 // get the current server version
2602                 svent = PRVM_EDICT_NUM(entnum);
2603
2604                 // LordHavoc: always clear state values, whether the entity is in use or not
2605                 svent->priv.server->baseline = defaultstate;
2606
2607                 if (svent->priv.server->free)
2608                         continue;
2609                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
2610                         continue;
2611
2612                 // create entity baseline
2613                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
2614                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
2615                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
2616                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
2617                 if (entnum > 0 && entnum <= svs.maxclients)
2618                 {
2619                         svent->priv.server->baseline.colormap = entnum;
2620                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
2621                 }
2622                 else
2623                 {
2624                         svent->priv.server->baseline.colormap = 0;
2625                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
2626                 }
2627
2628                 large = false;
2629                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
2630                 {
2631                         large = true;
2632                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2633                                 large = false;
2634                 }
2635
2636                 // add to the message
2637                 if (large)
2638                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
2639                 else
2640                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
2641                 MSG_WriteShort (&sv.signon, entnum);
2642
2643                 if (large)
2644                 {
2645                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2646                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
2647                 }
2648                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2649                 {
2650                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2651                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2652                 }
2653                 else
2654                 {
2655                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
2656                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2657                 }
2658                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
2659                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
2660                 for (i=0 ; i<3 ; i++)
2661                 {
2662                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
2663                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
2664                 }
2665         }
2666 }
2667
2668 /*
2669 ================
2670 SV_Prepare_CSQC
2671
2672 Load csprogs.dat and comperss it so it doesn't need to be
2673 reloaded on request.
2674 ================
2675 */
2676 void SV_Prepare_CSQC(void)
2677 {
2678         fs_offset_t progsize;
2679
2680         if(svs.csqc_progdata)
2681         {
2682                 Con_DPrintf("Unloading old CSQC data.\n");
2683                 Mem_Free(svs.csqc_progdata);
2684                 if(svs.csqc_progdata_deflated)
2685                         Mem_Free(svs.csqc_progdata_deflated);
2686         }
2687
2688         svs.csqc_progdata = NULL;
2689         svs.csqc_progdata_deflated = NULL;
2690
2691         Con_Print("Loading csprogs.dat\n");
2692
2693         sv.csqc_progname[0] = 0;
2694         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
2695
2696         if(progsize > 0)
2697         {
2698                 size_t deflated_size;
2699
2700                 sv.csqc_progsize = (int)progsize;
2701                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
2702                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
2703                 Con_Printf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
2704
2705                 Con_Print("Compressing csprogs.dat\n");
2706                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
2707                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
2708                 svs.csqc_progsize_deflated = (int)deflated_size;
2709                 Con_Printf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
2710                 Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
2711         }
2712 }
2713
2714 /*
2715 ================
2716 SV_SaveSpawnparms
2717
2718 Grabs the current state of each client for saving across the
2719 transition to another level
2720 ================
2721 */
2722 void SV_SaveSpawnparms (void)
2723 {
2724         int             i, j;
2725
2726         svs.serverflags = (int)prog->globals.server->serverflags;
2727
2728         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2729         {
2730                 if (!host_client->active)
2731                         continue;
2732
2733         // call the progs to get default spawn parms for the new client
2734                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
2735                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
2736                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
2737                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
2738         }
2739 }
2740
2741 /*
2742 ================
2743 SV_SpawnServer
2744
2745 This is called at the start of each level
2746 ================
2747 */
2748
2749 void SV_SpawnServer (const char *server)
2750 {
2751         prvm_edict_t *ent;
2752         int i;
2753         char *entities;
2754         dp_model_t *worldmodel;
2755         char modelname[sizeof(sv.modelname)];
2756
2757         Con_DPrintf("SpawnServer: %s\n", server);
2758
2759         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
2760
2761         if (!FS_FileExists(modelname))
2762         {
2763                 Con_Printf("SpawnServer: no map file named %s\n", modelname);
2764                 return;
2765         }
2766
2767         if (cls.state != ca_dedicated)
2768         {
2769                 SCR_BeginLoadingPlaque();
2770                 S_StopAllSounds();
2771         }
2772
2773         if(sv.active)
2774         {
2775                 SV_VM_Begin();
2776                 if(prog->funcoffsets.SV_Shutdown)
2777                 {
2778                         func_t s = prog->funcoffsets.SV_Shutdown;
2779                         prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
2780                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
2781                 }
2782                 SV_VM_End();
2783         }
2784
2785         // free q3 shaders so that any newly downloaded shaders will be active
2786         Mod_FreeQ3Shaders();
2787
2788         worldmodel = Mod_ForName(modelname, false, true, NULL);
2789         if (!worldmodel || !worldmodel->TraceBox)
2790         {
2791                 Con_Printf("Couldn't load map %s\n", modelname);
2792                 return;
2793         }
2794
2795         // let's not have any servers with no name
2796         if (hostname.string[0] == 0)
2797                 Cvar_Set ("hostname", "UNNAMED");
2798         scr_centertime_off = 0;
2799
2800         svs.changelevel_issued = false;         // now safe to issue another
2801
2802         // make the map a required file for clients
2803         Curl_ClearRequirements();
2804         Curl_RequireFile(modelname);
2805
2806 //
2807 // tell all connected clients that we are going to a new level
2808 //
2809         if (sv.active)
2810         {
2811                 client_t *client;
2812                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2813                 {
2814                         if (client->netconnection)
2815                         {
2816                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
2817                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
2818                         }
2819                 }
2820         }
2821         else
2822         {
2823                 // open server port
2824                 NetConn_OpenServerPorts(true);
2825         }
2826
2827 //
2828 // make cvars consistant
2829 //
2830         if (coop.integer)
2831                 Cvar_SetValue ("deathmatch", 0);
2832         // LordHavoc: it can be useful to have skills outside the range 0-3...
2833         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
2834         //Cvar_SetValue ("skill", (float)current_skill);
2835         current_skill = (int)(skill.value + 0.5);
2836
2837 //
2838 // set up the new server
2839 //
2840         memset (&sv, 0, sizeof(sv));
2841         // if running a local client, make sure it doesn't try to access the last
2842         // level's data which is no longer valiud
2843         cls.signon = 0;
2844
2845         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
2846
2847         if(*sv_random_seed.string)
2848         {
2849                 srand(sv_random_seed.integer);
2850                 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);
2851         }
2852
2853         SV_VM_Setup();
2854
2855         sv.active = true;
2856
2857         strlcpy (sv.name, server, sizeof (sv.name));
2858
2859         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
2860         if (sv.protocol == PROTOCOL_UNKNOWN)
2861         {
2862                 char buffer[1024];
2863                 Protocol_Names(buffer, sizeof(buffer));
2864                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
2865                 sv.protocol = PROTOCOL_QUAKE;
2866         }
2867
2868         SV_VM_Begin();
2869
2870 // load progs to get entity field count
2871         //PR_LoadProgs ( sv_progs.string );
2872
2873         sv.datagram.maxsize = sizeof(sv.datagram_buf);
2874         sv.datagram.cursize = 0;
2875         sv.datagram.data = sv.datagram_buf;
2876
2877         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
2878         sv.reliable_datagram.cursize = 0;
2879         sv.reliable_datagram.data = sv.reliable_datagram_buf;
2880
2881         sv.signon.maxsize = sizeof(sv.signon_buf);
2882         sv.signon.cursize = 0;
2883         sv.signon.data = sv.signon_buf;
2884
2885 // leave slots at start for clients only
2886         //prog->num_edicts = svs.maxclients+1;
2887
2888         sv.state = ss_loading;
2889         prog->allowworldwrites = true;
2890         sv.paused = false;
2891
2892         prog->globals.server->time = sv.time = 1.0;
2893
2894         Mod_ClearUsed();
2895         worldmodel->used = true;
2896
2897         strlcpy (sv.name, server, sizeof (sv.name));
2898         strlcpy(sv.modelname, modelname, sizeof(sv.modelname));
2899         sv.worldmodel = worldmodel;
2900         sv.models[1] = sv.worldmodel;
2901
2902 //
2903 // clear world interaction links
2904 //
2905         World_SetSize(&sv.world, sv.worldmodel->name, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
2906
2907         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
2908
2909         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
2910         strlcpy(sv.model_precache[1], sv.modelname, sizeof(sv.model_precache[1]));
2911         for (i = 1;i < sv.worldmodel->brush.numsubmodels;i++)
2912         {
2913                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
2914                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.modelname);
2915         }
2916
2917 //
2918 // load the rest of the entities
2919 //
2920         // AK possible hack since num_edicts is still 0
2921         ent = PRVM_EDICT_NUM(0);
2922         memset (ent->fields.server, 0, prog->progs->entityfields * 4);
2923         ent->priv.server->free = false;
2924         ent->fields.server->model = PRVM_SetEngineString(sv.modelname);
2925         ent->fields.server->modelindex = 1;             // world model
2926         ent->fields.server->solid = SOLID_BSP;
2927         ent->fields.server->movetype = MOVETYPE_PUSH;
2928         VectorCopy(sv.world.mins, ent->fields.server->mins);
2929         VectorCopy(sv.world.maxs, ent->fields.server->maxs);
2930         VectorCopy(sv.world.mins, ent->fields.server->absmin);
2931         VectorCopy(sv.world.maxs, ent->fields.server->absmax);
2932
2933         if (coop.value)
2934                 prog->globals.server->coop = coop.integer;
2935         else
2936                 prog->globals.server->deathmatch = deathmatch.integer;
2937
2938         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
2939
2940 // serverflags are for cross level information (sigils)
2941         prog->globals.server->serverflags = svs.serverflags;
2942
2943         // we need to reset the spawned flag on all connected clients here so that
2944         // their thinks don't run during startup (before PutClientInServer)
2945         // we also need to set up the client entities now
2946         // and we need to set the ->edict pointers to point into the progs edicts
2947         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2948         {
2949                 host_client->spawned = false;
2950                 host_client->edict = PRVM_EDICT_NUM(i + 1);
2951                 PRVM_ED_ClearEdict(host_client->edict);
2952         }
2953
2954         // load replacement entity file if found
2955         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true, NULL)))
2956         {
2957                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
2958                 PRVM_ED_LoadFromFile (entities);
2959                 Mem_Free(entities);
2960         }
2961         else
2962                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
2963
2964
2965         // LordHavoc: clear world angles (to fix e3m3.bsp)
2966         VectorClear(prog->edicts->fields.server->angles);
2967
2968 // all setup is completed, any further precache statements are errors
2969 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
2970         prog->allowworldwrites = false;
2971
2972 // run two frames to allow everything to settle
2973         prog->globals.server->time = sv.time = 1.0001;
2974         for (i = 0;i < 2;i++)
2975         {
2976                 sv.frametime = 0.1;
2977                 SV_Physics ();
2978         }
2979
2980         if (cls.state == ca_dedicated)
2981                 Mod_PurgeUnused();
2982
2983 // create a baseline for more efficient communications
2984         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)
2985                 SV_CreateBaseline ();
2986
2987         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
2988
2989         // to prevent network timeouts
2990         realtime = Sys_DoubleTime();
2991
2992 // send serverinfo to all connected clients, and set up botclients coming back from a level change
2993         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2994         {
2995                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
2996                 if (!host_client->active)
2997                         continue;
2998                 if (host_client->netconnection)
2999                         SV_SendServerinfo(host_client);
3000                 else
3001                 {
3002                         int j;
3003                         // if client is a botclient coming from a level change, we need to
3004                         // set up client info that normally requires networking
3005
3006                         // copy spawn parms out of the client_t
3007                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3008                                 (&prog->globals.server->parm1)[j] = host_client->spawn_parms[j];
3009
3010                         // call the spawn function
3011                         host_client->clientconnectcalled = true;
3012                         prog->globals.server->time = sv.time;
3013                         prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3014                         PRVM_ExecuteProgram (prog->globals.server->ClientConnect, "QC function ClientConnect is missing");
3015                         PRVM_ExecuteProgram (prog->globals.server->PutClientInServer, "QC function PutClientInServer is missing");
3016                         host_client->spawned = true;
3017                 }
3018         }
3019
3020         Con_DPrint("Server spawned.\n");
3021         NetConn_Heartbeat (2);
3022
3023         SV_VM_End();
3024 }
3025
3026 /////////////////////////////////////////////////////
3027 // SV VM stuff
3028
3029 static void SV_VM_CB_BeginIncreaseEdicts(void)
3030 {
3031         // links don't survive the transition, so unlink everything
3032         World_UnlinkAll(&sv.world);
3033 }
3034
3035 static void SV_VM_CB_EndIncreaseEdicts(void)
3036 {
3037         int i;
3038         prvm_edict_t *ent;
3039
3040         // link every entity except world
3041         for (i = 1, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
3042                 if (!ent->priv.server->free)
3043                         SV_LinkEdict(ent, false);
3044 }
3045
3046 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3047 {
3048         // LordHavoc: for consistency set these here
3049         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3050
3051         e->priv.server->move = false; // don't move on first frame
3052
3053         if (num >= 0 && num < svs.maxclients)
3054         {
3055                 prvm_eval_t *val;
3056                 // set colormap and team on newly created player entity
3057                 e->fields.server->colormap = num + 1;
3058                 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
3059                 // set netname/clientcolors back to client values so that
3060                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3061                 // reset them
3062                 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
3063                 if ((val = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.clientcolors)))
3064                         val->_float = svs.clients[num].colors;
3065                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3066                 if( prog->fieldoffsets.playermodel >= 0 )
3067                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(svs.clients[num].playermodel);
3068                 if( prog->fieldoffsets.playerskin >= 0 )
3069                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(svs.clients[num].playerskin);
3070                 // Assign netaddress (IP Address, etc)
3071                 if(prog->fieldoffsets.netaddress >= 0)
3072                 { // Valid Field; Process
3073                         if(svs.clients[num].netconnection != NULL)
3074                         {// Valid Address; Assign
3075                                 // Acquire Readable Address
3076                                 LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3077                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString(svs.clients[num].netaddress);
3078                         }
3079                         else
3080                                 // Invalid / Bot
3081                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString("null/botclient");
3082                 }
3083         }
3084 }
3085
3086 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3087 {
3088         int i;
3089         int e;
3090
3091         World_UnlinkEdict(ed);          // unlink from world bsp
3092
3093         ed->fields.server->model = 0;
3094         ed->fields.server->takedamage = 0;
3095         ed->fields.server->modelindex = 0;
3096         ed->fields.server->colormap = 0;
3097         ed->fields.server->skin = 0;
3098         ed->fields.server->frame = 0;
3099         VectorClear(ed->fields.server->origin);
3100         VectorClear(ed->fields.server->angles);
3101         ed->fields.server->nextthink = -1;
3102         ed->fields.server->solid = 0;
3103
3104         // make sure csqc networking is aware of the removed entity
3105         e = PRVM_NUM_FOR_EDICT(ed);
3106         sv.csqcentityversion[e] = 0;
3107         for (i = 0;i < svs.maxclients;i++)
3108         {
3109                 if (svs.clients[i].csqcentityscope[e])
3110                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3111                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3112         }
3113 }
3114
3115 static void SV_VM_CB_CountEdicts(void)
3116 {
3117         int             i;
3118         prvm_edict_t    *ent;
3119         int             active, models, solid, step;
3120
3121         active = models = solid = step = 0;
3122         for (i=0 ; i<prog->num_edicts ; i++)
3123         {
3124                 ent = PRVM_EDICT_NUM(i);
3125                 if (ent->priv.server->free)
3126                         continue;
3127                 active++;
3128                 if (ent->fields.server->solid)
3129                         solid++;
3130                 if (ent->fields.server->model)
3131                         models++;
3132                 if (ent->fields.server->movetype == MOVETYPE_STEP)
3133                         step++;
3134         }
3135
3136         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3137         Con_Printf("active    :%3i\n", active);
3138         Con_Printf("view      :%3i\n", models);
3139         Con_Printf("touch     :%3i\n", solid);
3140         Con_Printf("step      :%3i\n", step);
3141 }
3142
3143 static qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
3144 {
3145         // remove things from different skill levels or deathmatch
3146         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3147         {
3148                 if (deathmatch.integer)
3149                 {
3150                         if (((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
3151                         {
3152                                 return false;
3153                         }
3154                 }
3155                 else if ((current_skill <= 0 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_EASY  ))
3156                         || (current_skill == 1 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_MEDIUM))
3157                         || (current_skill >= 2 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_HARD  )))
3158                 {
3159                         return false;
3160                 }
3161         }
3162         return true;
3163 }
3164
3165 static void SV_VM_Setup(void)
3166 {
3167         PRVM_Begin;
3168         PRVM_InitProg( PRVM_SERVERPROG );
3169
3170         // allocate the mempools
3171         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3172         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3173         prog->builtins = vm_sv_builtins;
3174         prog->numbuiltins = vm_sv_numbuiltins;
3175         prog->headercrc = PROGHEADER_CRC;
3176         prog->headercrc2 = PROGHEADER_CRC_TENEBRAE;
3177         prog->max_edicts = 512;
3178         if (sv.protocol == PROTOCOL_QUAKE)
3179                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3180         else if (sv.protocol == PROTOCOL_QUAKEDP)
3181                 prog->limit_edicts = 2048; // guessing
3182         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3183                 prog->limit_edicts = 2048; // guessing!
3184         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3185                 prog->limit_edicts = 4096; // guessing!
3186         else
3187                 prog->limit_edicts = MAX_EDICTS;
3188         prog->reserved_edicts = svs.maxclients;
3189         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3190         prog->name = "server";
3191         prog->extensionstring = vm_sv_extensions;
3192         prog->loadintoworld = true;
3193
3194         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
3195         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
3196         prog->init_edict = SV_VM_CB_InitEdict;
3197         prog->free_edict = SV_VM_CB_FreeEdict;
3198         prog->count_edicts = SV_VM_CB_CountEdicts;
3199         prog->load_edict = SV_VM_CB_LoadEdict;
3200         prog->init_cmd = VM_SV_Cmd_Init;
3201         prog->reset_cmd = VM_SV_Cmd_Reset;
3202         prog->error_cmd = Host_Error;
3203
3204         // TODO: add a requiredfuncs list (ask LH if this is necessary at all)
3205         PRVM_LoadProgs( sv_progs.string, 0, NULL, REQFIELDS, reqfields, 0, NULL );
3206
3207         // some mods compiled with scrambling compilers lack certain critical
3208         // global names and field names such as "self" and "time" and "nextthink"
3209         // so we have to set these offsets manually, matching the entvars_t
3210         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3211         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3212         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3213         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3214         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3215         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3216         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3217         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3218         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3219         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3220         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3221         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3222         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3223         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3224         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3225         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3226         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3227         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3228         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3229         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3230         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3231         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3232         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3233         // OP_STATE is always supported on server (due to entvars_t)
3234         prog->flag |= PRVM_OP_STATE;
3235
3236         VM_CustomStats_Clear();//[515]: csqc
3237
3238         PRVM_End;
3239
3240         SV_Prepare_CSQC();
3241 }
3242
3243 void SV_VM_Begin(void)
3244 {
3245         PRVM_Begin;
3246         PRVM_SetProg( PRVM_SERVERPROG );
3247
3248         prog->globals.server->time = (float) sv.time;
3249 }
3250
3251 void SV_VM_End(void)
3252 {
3253         PRVM_End;
3254 }