sv_main.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // sv_main.c -- server main program
  21
  22 #include "quakedef.h"
  23 #include "sv_demo.h"
  24 #include "libcurl.h"
  25 #include "csprogs.h"
  26
  27 static void SV_SaveEntFile_f(void);
  28 static void SV_StartDownload_f(void);
  29 static void SV_Download_f(void);
  30 static void SV_VM_Setup(void);
  31 extern cvar_t net_connecttimeout;
  32
  33 void VM_CustomStats_Clear (void);
  34 void VM_SV_UpdateCustomStats (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats);
  35
  36 cvar_t coop = {0, "coop","0", "coop mode, 0 = no coop, 1 = coop mode, multiple players playing through the singleplayer game (coop mode also shuts off deathmatch)"};
  37 cvar_t deathmatch = {0, "deathmatch","0", "deathmatch mode, values depend on mod but typically 0 = no deathmatch, 1 = normal deathmatch with respawning weapons, 2 = weapons stay (players can only pick up new weapons)"};
  38 cvar_t fraglimit = {CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
  39 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
  40 cvar_t noexit = {CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
  41 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
  42 cvar_t pausable = {0, "pausable","1", "allow players to pause or not"};
  43 cvar_t pr_checkextension = {CVAR_READONLY, "pr_checkextension", "1", "indicates to QuakeC that the standard quakec extensions system is available (if 0, quakec should not attempt to use extensions)"};
  44 cvar_t samelevel = {CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
  45 cvar_t skill = {0, "skill","1", "difficulty level of game, affects monster layouts in levels, 0 = easy, 1 = normal, 2 = hard, 3 = nightmare (same layout as hard but monsters fire twice)"};
  46 cvar_t slowmo = {0, "slowmo", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
  47
  48 cvar_t sv_accelerate = {0, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
  49 cvar_t sv_aim = {CVAR_SAVE, "sv_aim", "2", "maximum cosine angle for quake's vertical autoaim, a value above 1 completely disables the autoaim, quake used 0.93"};
  50 cvar_t sv_airaccel_qw = {0, "sv_airaccel_qw", "1", "ratio of QW-style air control as opposed to simple acceleration"};
  51 cvar_t sv_airaccel_sideways_friction = {0, "sv_airaccel_sideways_friction", "", "anti-sideways movement stabilization (reduces speed gain when zigzagging)"};
  52 cvar_t sv_airaccelerate = {0, "sv_airaccelerate", "-1", "rate at which a player accelerates to sv_maxairspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
  53 cvar_t sv_airstopaccelerate = {0, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
  54 cvar_t sv_airstrafeaccelerate = {0, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
  55 cvar_t sv_maxairstrafespeed = {0, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
  56 cvar_t sv_aircontrol = {0, "sv_aircontrol", "0", "CPMA-style air control"};
  57 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
  58 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
  59 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
  60 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
  61 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
  62 cvar_t sv_areagrid_mingridsize = {CVAR_NOTIFY, "sv_areagrid_mingridsize", "64", "minimum areagrid cell size, smaller values work better for lots of small objects, higher values for large objects"};
  63 cvar_t sv_checkforpacketsduringsleep = {0, "sv_checkforpacketsduringsleep", "0", "uses select() function to wait between frames which can be interrupted by packets being received, instead of Sleep()/usleep()/SDL_Sleep() functions which do not check for packets"};
  64 cvar_t sv_clmovement_enable = {0, "sv_clmovement_enable", "1", "whether to allow clients to use cl_movement prediction, which can cause choppy movement on the server which may annoy other players"};
  65 cvar_t sv_clmovement_minping = {0, "sv_clmovement_minping", "0", "if client ping is below this time in milliseconds, then their ability to use cl_movement prediction is disabled for a while (as they don't need it)"};
  66 cvar_t sv_clmovement_minping_disabletime = {0, "sv_clmovement_minping_disabletime", "1000", "when client falls below minping, disable their prediction for this many milliseconds (should be at least 1000 or else their prediction may turn on/off frequently)"};
  67 cvar_t sv_clmovement_inputtimeout = {0, "sv_clmovement_inputtimeout", "0.2", "when a client does not send input for this many seconds, force them to move anyway (unlike QuakeWorld)"};
  68 cvar_t sv_cullentities_nevercullbmodels = {0, "sv_cullentities_nevercullbmodels", "0", "if enabled the clients are always notified of moving doors and lifts and other submodels of world (warning: eats a lot of network bandwidth on some levels!)"};
  69 cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
  70 cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  71 cvar_t sv_cullentities_trace = {0, "sv_cullentities_trace", "0", "somewhat slow but very tight culling of hidden entities, minimizes network traffic and makes wallhack cheats useless"};
  72 cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  73 cvar_t sv_cullentities_trace_delay_players = {0, "sv_cullentities_trace_delay_players", "0.2", "number of seconds until the entity gets actually culled if it is a player entity"};
  74 cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  75 cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
  76 cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "1", "number of samples to test for entity culling"};
  77 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"};
  78 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"};
  79 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
  80 cvar_t sv_echobprint = {CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
  81 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)"};
  82 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)"};
  83 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)"};
  84 cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
  85 cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
  86 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"};
  87 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"};
  88 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)"};
  89 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"};
  90 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)"};
  91 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"};
  92 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
  93 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"};
  94 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"};
  95 cvar_t sv_gameplayfix_noairborncorpse = {0, "sv_gameplayfix_noairborncorpse", "1", "causes entities (corpses, items, etc) sitting ontop of moving entities (players) to fall when the moving entity (player) is no longer supporting them"};
  96 cvar_t sv_gameplayfix_noairborncorpse_allowsuspendeditems = {0, "sv_gameplayfix_noairborncorpse_allowsuspendeditems", "1", "causes entities sitting ontop of objects that are instantaneously remove to float in midair (special hack to allow a common level design trick for floating items)"};
  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_gameplayfix_q2airaccelerate = {0, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
 104 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 105 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 106 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
 107 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 108 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)"};
 109 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 110 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 111 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 112 cvar_t sv_newflymove = {CVAR_NOTIFY, "sv_newflymove", "0", "enables simpler/buggier player physics (not recommended)"};
 113 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 114 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 115 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 116 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 117 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"};
 118 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)"};
 119 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)"};
 120 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)"};
 121 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 122 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 123 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 124 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"};
 125 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"};
 126 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 127 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)"};
 128 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 129 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)"};
 130 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"};
 131 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance"};
 132 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"};
 133 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"};
 134 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 135
 136 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 137 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 138 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 139 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 140 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 141 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 142 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 143 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 144 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 145 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)"};
 146
 147 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 148 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 149 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 150 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 151 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 152 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 153 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 154 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 155 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 156 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 157 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 158 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 159 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 160 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 161 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 162 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 163 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 164 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 165 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 166 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 167 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 168
 169 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)"};
 170 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)" };
 171
 172 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 173
 174 server_t sv;
 175 server_static_t svs;
 176
 177 mempool_t *sv_mempool = NULL;
 178
 179 extern cvar_t slowmo;
 180 extern float            scr_centertime_off;
 181
 182 // MUST match effectnameindex_t in client.h
 183 static const char *standardeffectnames[EFFECT_TOTAL] =
 184 {
 185         "",
 186         "TE_GUNSHOT",
 187         "TE_GUNSHOTQUAD",
 188         "TE_SPIKE",
 189         "TE_SPIKEQUAD",
 190         "TE_SUPERSPIKE",
 191         "TE_SUPERSPIKEQUAD",
 192         "TE_WIZSPIKE",
 193         "TE_KNIGHTSPIKE",
 194         "TE_EXPLOSION",
 195         "TE_EXPLOSIONQUAD",
 196         "TE_TAREXPLOSION",
 197         "TE_TELEPORT",
 198         "TE_LAVASPLASH",
 199         "TE_SMALLFLASH",
 200         "TE_FLAMEJET",
 201         "EF_FLAME",
 202         "TE_BLOOD",
 203         "TE_SPARK",
 204         "TE_PLASMABURN",
 205         "TE_TEI_G3",
 206         "TE_TEI_SMOKE",
 207         "TE_TEI_BIGEXPLOSION",
 208         "TE_TEI_PLASMAHIT",
 209         "EF_STARDUST",
 210         "TR_ROCKET",
 211         "TR_GRENADE",
 212         "TR_BLOOD",
 213         "TR_WIZSPIKE",
 214         "TR_SLIGHTBLOOD",
 215         "TR_KNIGHTSPIKE",
 216         "TR_VORESPIKE",
 217         "TR_NEHAHRASMOKE",
 218         "TR_NEXUIZPLASMA",
 219         "TR_GLOWTRAIL",
 220         "SVC_PARTICLE"
 221 };
 222
 223 #define REQFIELDS (sizeof(reqfields) / sizeof(prvm_required_field_t))
 224
 225 prvm_required_field_t reqfields[] =
 226 {
 227         {ev_entity, "cursor_trace_ent"},
 228         {ev_entity, "drawonlytoclient"},
 229         {ev_entity, "exteriormodeltoclient"},
 230         {ev_entity, "nodrawtoclient"},
 231         {ev_entity, "tag_entity"},
 232         {ev_entity, "viewmodelforclient"},
 233         {ev_float, "SendFlags"},
 234         {ev_float, "Version"},
 235         {ev_float, "alpha"},
 236         {ev_float, "ammo_cells1"},
 237         {ev_float, "ammo_lava_nails"},
 238         {ev_float, "ammo_multi_rockets"},
 239         {ev_float, "ammo_nails1"},
 240         {ev_float, "ammo_plasma"},
 241         {ev_float, "ammo_rockets1"},
 242         {ev_float, "ammo_shells1"},
 243         {ev_float, "button3"},
 244         {ev_float, "button4"},
 245         {ev_float, "button5"},
 246         {ev_float, "button6"},
 247         {ev_float, "button7"},
 248         {ev_float, "button8"},
 249         {ev_float, "button9"},
 250         {ev_float, "button10"},
 251         {ev_float, "button11"},
 252         {ev_float, "button12"},
 253         {ev_float, "button13"},
 254         {ev_float, "button14"},
 255         {ev_float, "button15"},
 256         {ev_float, "button16"},
 257         {ev_float, "buttonchat"},
 258         {ev_float, "buttonuse"},
 259         {ev_float, "clientcolors"},
 260         {ev_float, "cursor_active"},
 261         {ev_float, "disableclientprediction"},
 262         {ev_float, "fullbright"},
 263         {ev_float, "glow_color"},
 264         {ev_float, "glow_size"},
 265         {ev_float, "glow_trail"},
 266         {ev_float, "gravity"},
 267         {ev_float, "idealpitch"},
 268         {ev_float, "items2"},
 269         {ev_float, "light_lev"},
 270         {ev_float, "modelflags"},
 271         {ev_float, "pflags"},
 272         {ev_float, "ping"},
 273         {ev_float, "pitch_speed"},
 274         {ev_float, "pmodel"},
 275         {ev_float, "renderamt"}, // HalfLife support
 276         {ev_float, "rendermode"}, // HalfLife support
 277         {ev_float, "scale"},
 278         {ev_float, "style"},
 279         {ev_float, "tag_index"},
 280         {ev_float, "viewzoom"},
 281         {ev_function, "SendEntity"},
 282         {ev_function, "contentstransition"}, // DRESK - Support for Entity Contents Transition Event
 283         {ev_function, "customizeentityforclient"},
 284         {ev_function, "movetypesteplandevent"}, // DRESK - Support for MOVETYPE_STEP Entity Land Event
 285         {ev_string, "netaddress"},
 286         {ev_string, "playermodel"},
 287         {ev_string, "playerskin"},
 288         {ev_vector, "color"},
 289         {ev_vector, "colormod"},
 290         {ev_vector, "cursor_screen"},
 291         {ev_vector, "cursor_trace_endpos"},
 292         {ev_vector, "cursor_trace_start"},
 293         {ev_vector, "movement"},
 294         {ev_vector, "punchvector"},
 295 };
 296
 297
 298
 299 //============================================================================
 300
 301 void SV_AreaStats_f(void)
 302 {
 303         World_PrintAreaStats(&sv.world, "server");
 304 }
 305
 306 /*
 307 ===============
 308 SV_Init
 309 ===============
 310 */
 311 void SV_Init (void)
 312 {
 313         // init the csqc progs cvars, since they are updated/used by the server code
 314         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 315         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 316         extern cvar_t csqc_progcrc;
 317         extern cvar_t csqc_progsize;
 318         Cvar_RegisterVariable (&csqc_progname);
 319         Cvar_RegisterVariable (&csqc_progcrc);
 320         Cvar_RegisterVariable (&csqc_progsize);
 321
 322         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 323         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 324         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 325         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
 326
 327         Cvar_RegisterVariable (&coop);
 328         Cvar_RegisterVariable (&deathmatch);
 329         Cvar_RegisterVariable (&fraglimit);
 330         Cvar_RegisterVariable (&gamecfg);
 331         Cvar_RegisterVariable (&noexit);
 332         Cvar_RegisterVariable (&nomonsters);
 333         Cvar_RegisterVariable (&pausable);
 334         Cvar_RegisterVariable (&pr_checkextension);
 335         Cvar_RegisterVariable (&samelevel);
 336         Cvar_RegisterVariable (&skill);
 337         Cvar_RegisterVariable (&slowmo);
 338         Cvar_RegisterVariable (&sv_accelerate);
 339         Cvar_RegisterVariable (&sv_aim);
 340         Cvar_RegisterVariable (&sv_airaccel_qw);
 341         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 342         Cvar_RegisterVariable (&sv_airaccelerate);
 343         Cvar_RegisterVariable (&sv_airstopaccelerate);
 344         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 345         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 346         Cvar_RegisterVariable (&sv_aircontrol);
 347         Cvar_RegisterVariable (&sv_allowdownloads);
 348         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 349         Cvar_RegisterVariable (&sv_allowdownloads_config);
 350         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 351         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 352         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 353         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 354         Cvar_RegisterVariable (&sv_clmovement_enable);
 355         Cvar_RegisterVariable (&sv_clmovement_minping);
 356         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 357         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 358         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 359         Cvar_RegisterVariable (&sv_cullentities_pvs);
 360         Cvar_RegisterVariable (&sv_cullentities_stats);
 361         Cvar_RegisterVariable (&sv_cullentities_trace);
 362         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 363         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 364         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 365         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 366         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 367         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 368         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 369         Cvar_RegisterVariable (&sv_debugmove);
 370         Cvar_RegisterVariable (&sv_echobprint);
 371         Cvar_RegisterVariable (&sv_edgefriction);
 372         Cvar_RegisterVariable (&sv_entpatch);
 373         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 374         Cvar_RegisterVariable (&sv_freezenonclients);
 375         Cvar_RegisterVariable (&sv_friction);
 376         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 377         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 378         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 379         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 380         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 381         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 382         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 383         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 384         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 385         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 386         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 387         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 388         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 389         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
 390         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 391         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 392         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 393         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 394         Cvar_RegisterVariable (&sv_gravity);
 395         Cvar_RegisterVariable (&sv_idealpitchscale);
 396         Cvar_RegisterVariable (&sv_jumpstep);
 397         Cvar_RegisterVariable (&sv_jumpvelocity);
 398         Cvar_RegisterVariable (&sv_maxairspeed);
 399         Cvar_RegisterVariable (&sv_maxrate);
 400         Cvar_RegisterVariable (&sv_maxspeed);
 401         Cvar_RegisterVariable (&sv_maxvelocity);
 402         Cvar_RegisterVariable (&sv_newflymove);
 403         Cvar_RegisterVariable (&sv_nostep);
 404         Cvar_RegisterVariable (&sv_playerphysicsqc);
 405         Cvar_RegisterVariable (&sv_progs);
 406         Cvar_RegisterVariable (&sv_protocolname);
 407         Cvar_RegisterVariable (&sv_random_seed);
 408         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
 409         Cvar_RegisterVariable (&sv_sound_land);
 410         Cvar_RegisterVariable (&sv_sound_watersplash);
 411         Cvar_RegisterVariable (&sv_stepheight);
 412         Cvar_RegisterVariable (&sv_stopspeed);
 413         Cvar_RegisterVariable (&sv_wallfriction);
 414         Cvar_RegisterVariable (&sv_wateraccelerate);
 415         Cvar_RegisterVariable (&sv_waterfriction);
 416         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 417         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 418         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 419         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 420         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 421         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 422         Cvar_RegisterVariable (&sys_ticrate);
 423         Cvar_RegisterVariable (&teamplay);
 424         Cvar_RegisterVariable (&timelimit);
 425
 426         Cvar_RegisterVariable (&saved1);
 427         Cvar_RegisterVariable (&saved2);
 428         Cvar_RegisterVariable (&saved3);
 429         Cvar_RegisterVariable (&saved4);
 430         Cvar_RegisterVariable (&savedgamecfg);
 431         Cvar_RegisterVariable (&scratch1);
 432         Cvar_RegisterVariable (&scratch2);
 433         Cvar_RegisterVariable (&scratch3);
 434         Cvar_RegisterVariable (&scratch4);
 435         Cvar_RegisterVariable (&temp1);
 436
 437         // LordHavoc: Nehahra uses these to pass data around cutscene demos
 438         if (gamemode == GAME_NEHAHRA)
 439         {
 440                 Cvar_RegisterVariable (&nehx00);
 441                 Cvar_RegisterVariable (&nehx01);
 442                 Cvar_RegisterVariable (&nehx02);
 443                 Cvar_RegisterVariable (&nehx03);
 444                 Cvar_RegisterVariable (&nehx04);
 445                 Cvar_RegisterVariable (&nehx05);
 446                 Cvar_RegisterVariable (&nehx06);
 447                 Cvar_RegisterVariable (&nehx07);
 448                 Cvar_RegisterVariable (&nehx08);
 449                 Cvar_RegisterVariable (&nehx09);
 450                 Cvar_RegisterVariable (&nehx10);
 451                 Cvar_RegisterVariable (&nehx11);
 452                 Cvar_RegisterVariable (&nehx12);
 453                 Cvar_RegisterVariable (&nehx13);
 454                 Cvar_RegisterVariable (&nehx14);
 455                 Cvar_RegisterVariable (&nehx15);
 456                 Cvar_RegisterVariable (&nehx16);
 457                 Cvar_RegisterVariable (&nehx17);
 458                 Cvar_RegisterVariable (&nehx18);
 459                 Cvar_RegisterVariable (&nehx19);
 460         }
 461         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 462
 463         Cvar_RegisterVariable (&sv_autodemo_perclient);
 464         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 465
 466         Cvar_RegisterVariable (&halflifebsp);
 467
 468         // any special defaults for gamemodes go here
 469         if (gamemode == GAME_NEHAHRA)
 470         {
 471                 // Nehahra pushable crates malfunction in some levels if this is on
 472                 Cvar_SetValueQuick (&sv_gameplayfix_upwardvelocityclearsongroundflag, 0);
 473                 // Nehahra NPC AI is confused by this feature
 474                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
 475         }
 476         if (gamemode == GAME_HIPNOTIC)
 477         {
 478                 // 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.
 479                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
 480                 // 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
 481                 Cvar_SetValueQuick (&sys_ticrate, 0.02);
 482                 // hipnotic mission pack has issues in their proximity mine sticking code, which causes them to bounce off.
 483                 Cvar_SetValueQuick (&sv_gameplayfix_slidemoveprojectiles, 0);
 484         }
 485         if (gamemode == GAME_ROGUE)
 486         {
 487                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
 488                 Cvar_SetValueQuick (&sv_gameplayfix_findradiusdistancetobox, 0);
 489         }
 490         if (gamemode == GAME_NEXUIZ)
 491         {
 492                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
 493                 Cvar_SetValueQuick (&sv_gameplayfix_q2airaccelerate, 1);
 494         }
 495
 496         sv_mempool = Mem_AllocPool("server", 0, NULL);
 497 }
 498
 499 static void SV_SaveEntFile_f(void)
 500 {
 501         char basename[MAX_QPATH];
 502         if (!sv.active || !sv.worldmodel)
 503         {
 504                 Con_Print("Not running a server\n");
 505                 return;
 506         }
 507         FS_StripExtension(sv.worldmodel->name, basename, sizeof(basename));
 508         FS_WriteFile(va("%s.ent", basename), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 509 }
 510
 511
 512 /*
 513 =============================================================================
 514
 515 EVENT MESSAGES
 516
 517 =============================================================================
 518 */
 519
 520 /*
 521 ==================
 522 SV_StartParticle
 523
 524 Make sure the event gets sent to all clients
 525 ==================
 526 */
 527 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 528 {
 529         int i;
 530
 531         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 532                 return;
 533         MSG_WriteByte (&sv.datagram, svc_particle);
 534         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 535         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 536         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 537         for (i=0 ; i<3 ; i++)
 538                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 539         MSG_WriteByte (&sv.datagram, count);
 540         MSG_WriteByte (&sv.datagram, color);
 541         SV_FlushBroadcastMessages();
 542 }
 543
 544 /*
 545 ==================
 546 SV_StartEffect
 547
 548 Make sure the event gets sent to all clients
 549 ==================
 550 */
 551 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 552 {
 553         if (modelindex >= 256 || startframe >= 256)
 554         {
 555                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 556                         return;
 557                 MSG_WriteByte (&sv.datagram, svc_effect2);
 558                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 559                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 560                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 561                 MSG_WriteShort (&sv.datagram, modelindex);
 562                 MSG_WriteShort (&sv.datagram, startframe);
 563                 MSG_WriteByte (&sv.datagram, framecount);
 564                 MSG_WriteByte (&sv.datagram, framerate);
 565         }
 566         else
 567         {
 568                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 569                         return;
 570                 MSG_WriteByte (&sv.datagram, svc_effect);
 571                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 572                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 573                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 574                 MSG_WriteByte (&sv.datagram, modelindex);
 575                 MSG_WriteByte (&sv.datagram, startframe);
 576                 MSG_WriteByte (&sv.datagram, framecount);
 577                 MSG_WriteByte (&sv.datagram, framerate);
 578         }
 579         SV_FlushBroadcastMessages();
 580 }
 581
 582 /*
 583 ==================
 584 SV_StartSound
 585
 586 Each entity can have eight independant sound sources, like voice,
 587 weapon, feet, etc.
 588
 589 Channel 0 is an auto-allocate channel, the others override anything
 590 already running on that entity/channel pair.
 591
 592 An attenuation of 0 will play full volume everywhere in the level.
 593 Larger attenuations will drop off.  (max 4 attenuation)
 594
 595 ==================
 596 */
 597 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
 598 {
 599         int sound_num, field_mask, i, ent;
 600
 601         if (volume < 0 || volume > 255)
 602         {
 603                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
 604                 return;
 605         }
 606
 607         if (attenuation < 0 || attenuation > 4)
 608         {
 609                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 610                 return;
 611         }
 612
 613         if (channel < 0 || channel > 7)
 614         {
 615                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 616                 return;
 617         }
 618
 619         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 620                 return;
 621
 622 // find precache number for sound
 623         sound_num = SV_SoundIndex(sample, 1);
 624         if (!sound_num)
 625                 return;
 626
 627         ent = PRVM_NUM_FOR_EDICT(entity);
 628
 629         field_mask = 0;
 630         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 631                 field_mask |= SND_VOLUME;
 632         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 633                 field_mask |= SND_ATTENUATION;
 634         if (ent >= 8192)
 635                 field_mask |= SND_LARGEENTITY;
 636         if (sound_num >= 256 || channel >= 8)
 637                 field_mask |= SND_LARGESOUND;
 638
 639 // directed messages go only to the entity they are targeted on
 640         MSG_WriteByte (&sv.datagram, svc_sound);
 641         MSG_WriteByte (&sv.datagram, field_mask);
 642         if (field_mask & SND_VOLUME)
 643                 MSG_WriteByte (&sv.datagram, volume);
 644         if (field_mask & SND_ATTENUATION)
 645                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 646         if (field_mask & SND_LARGEENTITY)
 647         {
 648                 MSG_WriteShort (&sv.datagram, ent);
 649                 MSG_WriteByte (&sv.datagram, channel);
 650         }
 651         else
 652                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
 653         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 654                 MSG_WriteShort (&sv.datagram, sound_num);
 655         else
 656                 MSG_WriteByte (&sv.datagram, sound_num);
 657         for (i = 0;i < 3;i++)
 658                 MSG_WriteCoord (&sv.datagram, entity->fields.server->origin[i]+0.5*(entity->fields.server->mins[i]+entity->fields.server->maxs[i]), sv.protocol);
 659         SV_FlushBroadcastMessages();
 660 }
 661
 662 /*
 663 ==================
 664 SV_StartPointSound
 665
 666 Nearly the same logic as SV_StartSound, except an origin
 667 instead of an entity is provided and channel is omitted.
 668
 669 The entity sent to the client is 0 (world) and the channel
 670 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 671 function, therefore the check for it is omitted.
 672
 673 ==================
 674 */
 675 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation)
 676 {
 677         int sound_num, field_mask, i;
 678
 679         if (volume < 0 || volume > 255)
 680         {
 681                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
 682                 return;
 683         }
 684
 685         if (attenuation < 0 || attenuation > 4)
 686         {
 687                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 688                 return;
 689         }
 690
 691         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 692                 return;
 693
 694         // find precache number for sound
 695         sound_num = SV_SoundIndex(sample, 1);
 696         if (!sound_num)
 697                 return;
 698
 699         field_mask = 0;
 700         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 701                 field_mask |= SND_VOLUME;
 702         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 703                 field_mask |= SND_ATTENUATION;
 704         if (sound_num >= 256)
 705                 field_mask |= SND_LARGESOUND;
 706
 707 // directed messages go only to the entity they are targeted on
 708         MSG_WriteByte (&sv.datagram, svc_sound);
 709         MSG_WriteByte (&sv.datagram, field_mask);
 710         if (field_mask & SND_VOLUME)
 711                 MSG_WriteByte (&sv.datagram, volume);
 712         if (field_mask & SND_ATTENUATION)
 713                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 714         // Always write entnum 0 for the world entity
 715         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 716         if (field_mask & SND_LARGESOUND)
 717                 MSG_WriteShort (&sv.datagram, sound_num);
 718         else
 719                 MSG_WriteByte (&sv.datagram, sound_num);
 720         for (i = 0;i < 3;i++)
 721                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 722         SV_FlushBroadcastMessages();
 723 }
 724
 725 /*
 726 ==============================================================================
 727
 728 CLIENT SPAWNING
 729
 730 ==============================================================================
 731 */
 732
 733 /*
 734 ================
 735 SV_SendServerinfo
 736
 737 Sends the first message from the server to a connected client.
 738 This will be sent on the initial connection and upon each server load.
 739 ================
 740 */
 741 void SV_SendServerinfo (client_t *client)
 742 {
 743         int i;
 744         char message[128];
 745
 746         // we know that this client has a netconnection and thus is not a bot
 747
 748         // edicts get reallocated on level changes, so we need to update it here
 749         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 750
 751         // clear cached stuff that depends on the level
 752         client->weaponmodel[0] = 0;
 753         client->weaponmodelindex = 0;
 754
 755         // LordHavoc: clear entityframe tracking
 756         client->latestframenum = 0;
 757
 758         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 759         client->cmd.time = sv.time;
 760
 761         if (client->entitydatabase)
 762                 EntityFrame_FreeDatabase(client->entitydatabase);
 763         if (client->entitydatabase4)
 764                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 765         if (client->entitydatabase5)
 766                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 767
 768         memset(client->stats, 0, sizeof(client->stats));
 769         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 770
 771         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)
 772         {
 773                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 774                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 775                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 776                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 777                 else
 778                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 779         }
 780
 781         // reset csqc entity versions
 782         for (i = 0;i < prog->max_edicts;i++)
 783         {
 784                 client->csqcentityscope[i] = 0;
 785                 client->csqcentitysendflags[i] = 0xFFFFFF;
 786                 client->csqcentityglobalhistory[i] = 0;
 787         }
 788         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 789         {
 790                 client->csqcentityframehistory[i].num = 0;
 791                 client->csqcentityframehistory[i].framenum = -1;
 792         }
 793         client->csqcnumedicts = 0;
 794         client->csqcentityframehistory_next = 0;
 795
 796         SZ_Clear (&client->netconnection->message);
 797         MSG_WriteByte (&client->netconnection->message, svc_print);
 798         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)", gamename, buildstring, prog->filecrc);
 799         MSG_WriteString (&client->netconnection->message,message);
 800
 801         SV_StopDemoRecording(client); // to split up demos into different files
 802         if(sv_autodemo_perclient.integer && client->netconnection)
 803         {
 804                 char demofile[MAX_OSPATH];
 805                 char levelname[MAX_QPATH];
 806                 char ipaddress[MAX_QPATH];
 807                 size_t i;
 808
 809                 // start a new demo file
 810                 strlcpy(levelname, FS_FileWithoutPath(sv.worldmodel->name), sizeof(levelname));
 811                 if (strrchr(levelname, '.'))
 812                         *(strrchr(levelname, '.')) = 0;
 813
 814                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 815                 for(i = 0; ipaddress[i]; ++i)
 816                         if(!isalnum(ipaddress[i]))
 817                                 ipaddress[i] = '-';
 818                 dpsnprintf (demofile, sizeof(demofile), "%s_%s_%d_%s.dem", Sys_TimeString (sv_autodemo_perclient_nameformat.string), levelname, PRVM_NUM_FOR_EDICT(client->edict), ipaddress);
 819
 820                 SV_StartDemoRecording(client, demofile, -1);
 821         }
 822
 823         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 824         if (sv.csqc_progname[0])
 825         {
 826                 prvm_eval_t *val;
 827                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 828                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 829                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
 830                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 831                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
 832                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 833                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
 834
 835                 if(client->sv_demo_file != NULL)
 836                 {
 837                         int i;
 838                         char buf[NET_MAXMESSAGE];
 839                         sizebuf_t sb;
 840
 841                         sb.data = (unsigned char *) buf;
 842                         sb.maxsize = sizeof(buf);
 843                         i = 0;
 844                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
 845                                 SV_WriteDemoMessage(client, &sb, false);
 846                 }
 847
 848                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 849                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.SV_InitCmd);
 850                 if (val)
 851                 {
 852                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 853                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(val->string)));
 854                 }
 855         }
 856
 857         //if (sv_allowdownloads.integer)
 858         // always send the info that the server supports the protocol, even if downloads are forbidden
 859         // only because of that, the CSQC exception can work
 860         {
 861                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 862                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
 863         }
 864
 865         // send at this time so it's guaranteed to get executed at the right time
 866         {
 867                 client_t *save;
 868                 save = host_client;
 869                 host_client = client;
 870                 Curl_SendRequirements();
 871                 host_client = save;
 872         }
 873
 874         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
 875         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
 876         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
 877
 878         if (!coop.integer && deathmatch.integer)
 879                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
 880         else
 881                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
 882
 883         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog->edicts->fields.server->message));
 884
 885         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
 886                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
 887         MSG_WriteByte (&client->netconnection->message, 0);
 888
 889         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
 890                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
 891         MSG_WriteByte (&client->netconnection->message, 0);
 892
 893 // send music
 894         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
 895         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
 896         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
 897
 898 // set view
 899 // store this in clientcamera, too
 900         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
 901         MSG_WriteByte (&client->netconnection->message, svc_setview);
 902         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
 903
 904         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
 905         MSG_WriteByte (&client->netconnection->message, 1);
 906
 907         client->spawned = false;                // need prespawn, spawn, etc
 908         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
 909
 910         // clear movement info until client enters the new level properly
 911         memset(&client->cmd, 0, sizeof(client->cmd));
 912         client->movesequence = 0;
 913 #ifdef NUM_PING_TIMES
 914         for (i = 0;i < NUM_PING_TIMES;i++)
 915                 client->ping_times[i] = 0;
 916         client->num_pings = 0;
 917 #endif
 918         client->ping = 0;
 919
 920         // allow the client some time to send his keepalives, even if map loading took ages
 921         client->netconnection->timeout = realtime + net_connecttimeout.value;
 922 }
 923
 924 /*
 925 ================
 926 SV_ConnectClient
 927
 928 Initializes a client_t for a new net connection.  This will only be called
 929 once for a player each game, not once for each level change.
 930 ================
 931 */
 932 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
 933 {
 934         client_t                *client;
 935         int                             i;
 936         float                   spawn_parms[NUM_SPAWN_PARMS];
 937
 938         client = svs.clients + clientnum;
 939
 940 // set up the client_t
 941         if (sv.loadgame)
 942                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
 943         memset (client, 0, sizeof(*client));
 944         client->active = true;
 945         client->netconnection = netconnection;
 946
 947         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
 948
 949         strlcpy(client->name, "unconnected", sizeof(client->name));
 950         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
 951         client->spawned = false;
 952         client->edict = PRVM_EDICT_NUM(clientnum+1);
 953         if (client->netconnection)
 954                 client->netconnection->message.allowoverflow = true;            // we can catch it
 955         // prepare the unreliable message buffer
 956         client->unreliablemsg.data = client->unreliablemsg_data;
 957         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
 958         // updated by receiving "rate" command from client, this is also the default if not using a DP client
 959         client->rate = 1000000000;
 960         // no limits for local player
 961         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
 962                 client->rate = 1000000000;
 963         client->connecttime = realtime;
 964
 965         if (sv.loadgame)
 966                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
 967         else
 968         {
 969                 // call the progs to get default spawn parms for the new client
 970                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
 971                 prog->globals.server->self = 0;
 972                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
 973                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
 974                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
 975
 976                 // set up the entity for this client (including .colormap, .team, etc)
 977                 PRVM_ED_ClearEdict(client->edict);
 978         }
 979
 980         // don't call SendServerinfo for a fresh botclient because its fields have
 981         // not been set up by the qc yet
 982         if (client->netconnection)
 983                 SV_SendServerinfo (client);
 984         else
 985                 client->spawned = true;
 986 }
 987
 988
 989 /*
 990 ===============================================================================
 991
 992 FRAME UPDATES
 993
 994 ===============================================================================
 995 */
 996
 997 /*
 998 =============================================================================
 999
1000 The PVS must include a small area around the client to allow head bobbing
1001 or other small motion on the client side.  Otherwise, a bob might cause an
1002 entity that should be visible to not show up, especially when the bob
1003 crosses a waterline.
1004
1005 =============================================================================
1006 */
1007
1008 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1009 {
1010         int i;
1011         unsigned int sendflags;
1012         unsigned int version;
1013         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1014         unsigned int customizeentityforclient;
1015         unsigned int sendentity;
1016         float f;
1017         vec3_t cullmins, cullmaxs;
1018         dp_model_t *model;
1019         prvm_eval_t *val, *val2;
1020
1021         // fast path for games that do not use legacy entity networking
1022         sendentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendEntity)->function;
1023         if (sv_onlycsqcnetworking.integer && !sendentity)
1024                 return false;
1025
1026         // this 2 billion unit check is actually to detect NAN origins
1027         // (we really don't want to send those)
1028         if (!(VectorLength2(ent->fields.server->origin) < 2000000000.0*2000000000.0))
1029                 return false;
1030
1031         // EF_NODRAW prevents sending for any reason except for your own
1032         // client, so we must keep all clients in this superset
1033         effects = (unsigned)ent->fields.server->effects;
1034
1035         // we can omit invisible entities with no effects that are not clients
1036         // LordHavoc: this could kill tags attached to an invisible entity, I
1037         // just hope we never have to support that case
1038         i = (int)ent->fields.server->modelindex;
1039         modelindex = (i >= 1 && i < MAX_MODELS && ent->fields.server->model && *PRVM_GetString(ent->fields.server->model)) ? i : 0;
1040
1041         flags = 0;
1042         i = (int)(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_size)->_float * 0.25f);
1043         glowsize = (unsigned char)bound(0, i, 255);
1044         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_trail)->_float)
1045                 flags |= RENDER_GLOWTRAIL;
1046         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict)
1047                 flags |= RENDER_VIEWMODEL;
1048
1049         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[0]*256;
1050         light[0] = (unsigned short)bound(0, f, 65535);
1051         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[1]*256;
1052         light[1] = (unsigned short)bound(0, f, 65535);
1053         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[2]*256;
1054         light[2] = (unsigned short)bound(0, f, 65535);
1055         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.light_lev)->_float;
1056         light[3] = (unsigned short)bound(0, f, 65535);
1057         lightstyle = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.style)->_float;
1058         lightpflags = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pflags)->_float;
1059
1060         if (gamemode == GAME_TENEBRAE)
1061         {
1062                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1063                 if (effects & 16)
1064                 {
1065                         effects &= ~16;
1066                         lightpflags |= PFLAGS_FULLDYNAMIC;
1067                 }
1068                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1069                 if (effects & 32)
1070                 {
1071                         effects &= ~32;
1072                         light[0] = (int)(0.2*256);
1073                         light[1] = (int)(1.0*256);
1074                         light[2] = (int)(0.2*256);
1075                         light[3] = 200;
1076                         lightpflags |= PFLAGS_FULLDYNAMIC;
1077                 }
1078         }
1079
1080         specialvisibilityradius = 0;
1081         if (lightpflags & PFLAGS_FULLDYNAMIC)
1082                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1083         if (glowsize)
1084                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1085         if (flags & RENDER_GLOWTRAIL)
1086                 specialvisibilityradius = max(specialvisibilityradius, 100);
1087         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1088         {
1089                 if (effects & EF_BRIGHTFIELD)
1090                         specialvisibilityradius = max(specialvisibilityradius, 80);
1091                 if (effects & EF_MUZZLEFLASH)
1092                         specialvisibilityradius = max(specialvisibilityradius, 100);
1093                 if (effects & EF_BRIGHTLIGHT)
1094                         specialvisibilityradius = max(specialvisibilityradius, 400);
1095                 if (effects & EF_DIMLIGHT)
1096                         specialvisibilityradius = max(specialvisibilityradius, 200);
1097                 if (effects & EF_RED)
1098                         specialvisibilityradius = max(specialvisibilityradius, 200);
1099                 if (effects & EF_BLUE)
1100                         specialvisibilityradius = max(specialvisibilityradius, 200);
1101                 if (effects & EF_FLAME)
1102                         specialvisibilityradius = max(specialvisibilityradius, 250);
1103                 if (effects & EF_STARDUST)
1104                         specialvisibilityradius = max(specialvisibilityradius, 100);
1105         }
1106
1107         // early culling checks
1108         // (final culling is done by SV_MarkWriteEntityStateToClient)
1109         customizeentityforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.customizeentityforclient)->function;
1110         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1111                 return false;
1112
1113         *cs = defaultstate;
1114         cs->active = ACTIVE_NETWORK;
1115         cs->number = enumber;
1116         VectorCopy(ent->fields.server->origin, cs->origin);
1117         VectorCopy(ent->fields.server->angles, cs->angles);
1118         cs->flags = flags;
1119         cs->effects = effects;
1120         cs->colormap = (unsigned)ent->fields.server->colormap;
1121         cs->modelindex = modelindex;
1122         cs->skin = (unsigned)ent->fields.server->skin;
1123         cs->frame = (unsigned)ent->fields.server->frame;
1124         cs->viewmodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict;
1125         cs->exteriormodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.exteriormodeltoclient)->edict;
1126         cs->nodrawtoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.nodrawtoclient)->edict;
1127         cs->drawonlytoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.drawonlytoclient)->edict;
1128         cs->customizeentityforclient = customizeentityforclient;
1129         cs->tagentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)->edict;
1130         cs->tagindex = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
1131         cs->glowsize = glowsize;
1132
1133         // don't need to init cs->colormod because the defaultstate did that for us
1134         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1135         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.colormod);
1136         if (val->vector[0] || val->vector[1] || val->vector[2])
1137         {
1138                 i = (int)(val->vector[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1139                 i = (int)(val->vector[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1140                 i = (int)(val->vector[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1141         }
1142
1143         cs->modelindex = modelindex;
1144
1145         cs->alpha = 255;
1146         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)->_float * 255.0f);
1147         if (f)
1148         {
1149                 i = (int)f;
1150                 cs->alpha = (unsigned char)bound(0, i, 255);
1151         }
1152         // halflife
1153         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderamt)->_float);
1154         if (f)
1155         {
1156                 i = (int)f;
1157                 cs->alpha = (unsigned char)bound(0, i, 255);
1158         }
1159
1160         cs->scale = 16;
1161         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale)->_float * 16.0f);
1162         if (f)
1163         {
1164                 i = (int)f;
1165                 cs->scale = (unsigned char)bound(0, i, 255);
1166         }
1167
1168         cs->glowcolor = 254;
1169         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_color)->_float);
1170         if (f)
1171                 cs->glowcolor = (int)f;
1172
1173         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.fullbright)->_float)
1174                 cs->effects |= EF_FULLBRIGHT;
1175
1176         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.modelflags);
1177         if (val && val->_float)
1178                 cs->effects |= ((unsigned int)val->_float & 0xff) << 24;
1179
1180         if (ent->fields.server->movetype == MOVETYPE_STEP)
1181                 cs->flags |= RENDER_STEP;
1182         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)
1183                 cs->flags |= RENDER_LOWPRECISION;
1184         if (ent->fields.server->colormap >= 1024)
1185                 cs->flags |= RENDER_COLORMAPPED;
1186         if (cs->viewmodelforclient)
1187                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1188
1189         cs->light[0] = light[0];
1190         cs->light[1] = light[1];
1191         cs->light[2] = light[2];
1192         cs->light[3] = light[3];
1193         cs->lightstyle = lightstyle;
1194         cs->lightpflags = lightpflags;
1195
1196         cs->specialvisibilityradius = specialvisibilityradius;
1197
1198         // calculate the visible box of this entity (don't use the physics box
1199         // as that is often smaller than a model, and would not count
1200         // specialvisibilityradius)
1201         if ((model = sv.models[modelindex]) && (model->type != mod_null))
1202         {
1203                 float scale = cs->scale * (1.0f / 16.0f);
1204                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1205                 {
1206                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1207                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1208                 }
1209                 else if (cs->angles[1])
1210                 {
1211                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1212                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1213                 }
1214                 else
1215                 {
1216                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1217                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1218                 }
1219         }
1220         else
1221         {
1222                 // if there is no model (or it could not be loaded), use the physics box
1223                 VectorAdd(cs->origin, ent->fields.server->mins, cullmins);
1224                 VectorAdd(cs->origin, ent->fields.server->maxs, cullmaxs);
1225         }
1226         if (specialvisibilityradius)
1227         {
1228                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1229                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1230                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1231                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1232                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1233                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1234         }
1235
1236         // calculate center of bbox for network prioritization purposes
1237         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1238
1239         // if culling box has moved, update pvs cluster links
1240         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1241         {
1242                 VectorCopy(cullmins, ent->priv.server->cullmins);
1243                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1244                 // a value of -1 for pvs_numclusters indicates that the links are not
1245                 // cached, and should be re-tested each time, this is the case if the
1246                 // culling box touches too many pvs clusters to store, or if the world
1247                 // model does not support FindBoxClusters
1248                 ent->priv.server->pvs_numclusters = -1;
1249                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1250                 {
1251                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1252                         if (i <= MAX_ENTITYCLUSTERS)
1253                                 ent->priv.server->pvs_numclusters = i;
1254                 }
1255         }
1256
1257         // we need to do some csqc entity upkeep here
1258         // get self.SendFlags and clear them
1259         // (to let the QC know that they've been read)
1260         if (sendentity)
1261         {
1262                 val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendFlags);
1263                 sendflags = (unsigned int)val->_float;
1264                 val->_float = 0;
1265                 // legacy self.Version system
1266                 val2 = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.Version);
1267                 if (val2->_float)
1268                 {
1269                         version = (unsigned int)val2->_float;
1270                         if (sv.csqcentityversion[enumber] != version)
1271                                 sendflags = 0xFFFFFF;
1272                         sv.csqcentityversion[enumber] = version;
1273                 }
1274                 // move sendflags into the per-client sendflags
1275                 if (sendflags)
1276                         for (i = 0;i < svs.maxclients;i++)
1277                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1278                 // mark it as inactive for non-csqc networking
1279                 cs->active = ACTIVE_SHARED;
1280         }
1281
1282         return true;
1283 }
1284
1285 void SV_PrepareEntitiesForSending(void)
1286 {
1287         int e;
1288         prvm_edict_t *ent;
1289         // send all entities that touch the pvs
1290         sv.numsendentities = 0;
1291         sv.sendentitiesindex[0] = NULL;
1292         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1293         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1294         {
1295                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1296                 {
1297                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1298                         sv.numsendentities++;
1299                 }
1300         }
1301 }
1302
1303 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1304 {
1305         int isbmodel;
1306         dp_model_t *model;
1307         prvm_edict_t *ed;
1308         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1309                 return;
1310         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1311         sv.writeentitiestoclient_stats_totalentities++;
1312
1313         if (s->customizeentityforclient)
1314         {
1315                 prog->globals.server->self = s->number;
1316                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1317                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1318                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1319                         return;
1320         }
1321
1322         // never reject player
1323         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1324         {
1325                 // check various rejection conditions
1326                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1327                         return;
1328                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1329                         return;
1330                 if (s->effects & EF_NODRAW)
1331                         return;
1332                 // LordHavoc: only send entities with a model or important effects
1333                 if (!s->modelindex && s->specialvisibilityradius == 0)
1334                         return;
1335
1336                 isbmodel = (model = sv.models[s->modelindex]) != NULL && model->name[0] == '*';
1337                 // viewmodels don't have visibility checking
1338                 if (s->viewmodelforclient)
1339                 {
1340                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1341                                 return;
1342                 }
1343                 else if (s->tagentity)
1344                 {
1345                         // tag attached entities simply check their parent
1346                         if (!sv.sendentitiesindex[s->tagentity])
1347                                 return;
1348                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1349                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1350                                 return;
1351                 }
1352                 // always send world submodels in newer protocols because they don't
1353                 // generate much traffic (in old protocols they hog bandwidth)
1354                 // but only if sv_cullentities_nevercullbmodels is off
1355                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1356                 {
1357                         // entity has survived every check so far, check if visible
1358                         ed = PRVM_EDICT_NUM(s->number);
1359
1360                         // if not touching a visible leaf
1361                         if (sv_cullentities_pvs.integer && !r_novis.integer && sv.writeentitiestoclient_pvsbytes)
1362                         {
1363                                 if (ed->priv.server->pvs_numclusters < 0)
1364                                 {
1365                                         // entity too big for clusters list
1366                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1367                                         {
1368                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1369                                                 return;
1370                                         }
1371                                 }
1372                                 else
1373                                 {
1374                                         int i;
1375                                         // check cached clusters list
1376                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1377                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1378                                                         break;
1379                                         if (i == ed->priv.server->pvs_numclusters)
1380                                         {
1381                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1382                                                 return;
1383                                         }
1384                                 }
1385                         }
1386
1387                         // or not seen by random tracelines
1388                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight)
1389                         {
1390                                 int samples =
1391                                         s->number <= svs.maxclients
1392                                                 ? sv_cullentities_trace_samples_players.integer
1393                                                 :
1394                                         s->specialvisibilityradius
1395                                                 ? sv_cullentities_trace_samples_extra.integer
1396                                                 : sv_cullentities_trace_samples.integer;
1397                                 float enlarge = sv_cullentities_trace_enlarge.value;
1398
1399                                 qboolean visible = TRUE;
1400
1401                                 if(samples > 0)
1402                                 {
1403                                         do
1404                                         {
1405                                                 if(Mod_CanSeeBox_Trace(samples, enlarge, sv.worldmodel, sv.writeentitiestoclient_testeye, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1406                                                         break; // directly visible from the server's view
1407
1408                                                 if(sv_cullentities_trace_prediction.integer)
1409                                                 {
1410                                                         vec3_t predeye;
1411
1412                                                         // get player velocity
1413                                                         float predtime = bound(0, host_client->ping, 0.2); // / 2
1414                                                                 // sorry, no wallhacking by high ping please, and at 200ms
1415                                                                 // ping a FPS is annoying to play anyway and a player is
1416                                                                 // likely to have changed his direction
1417                                                         VectorMA(sv.writeentitiestoclient_testeye, predtime, host_client->edict->fields.server->velocity, predeye);
1418                                                         if(sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, sv.writeentitiestoclient_testeye, predeye)) // must be able to go there...
1419                                                         {
1420                                                                 if(Mod_CanSeeBox_Trace(samples, enlarge, sv.worldmodel, predeye, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1421                                                                         break; // directly visible from the predicted view
1422                                                         }
1423                                                         else
1424                                                         {
1425                                                                 //Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1426                                                         }
1427                                                 }
1428
1429                                                 // when we get here, we can't see the entity
1430                                                 visible = false;
1431                                         }
1432                                         while(0);
1433
1434                                         if(visible)
1435                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1436                                                         realtime + (
1437                                                                 s->number <= svs.maxclients
1438                                                                         ? sv_cullentities_trace_delay_players.value
1439                                                                         : sv_cullentities_trace_delay.value
1440                                                         );
1441                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1442                                         {
1443                                                 sv.writeentitiestoclient_stats_culled_trace++;
1444                                                 return;
1445                                         }
1446                                 }
1447                         }
1448                 }
1449         }
1450
1451         // this just marks it for sending
1452         // FIXME: it would be more efficient to send here, but the entity
1453         // compressor isn't that flexible
1454         sv.writeentitiestoclient_stats_visibleentities++;
1455         sv.sententities[s->number] = sv.sententitiesmark;
1456 }
1457
1458 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1459 {
1460         qboolean need_empty = false;
1461         int i, numsendstates, numcsqcsendstates;
1462         entity_state_t *s;
1463         prvm_edict_t *camera;
1464         qboolean success;
1465
1466         // if there isn't enough space to accomplish anything, skip it
1467         if (msg->cursize + 25 > maxsize)
1468                 return;
1469
1470         sv.writeentitiestoclient_msg = msg;
1471         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1472
1473         sv.writeentitiestoclient_stats_culled_pvs = 0;
1474         sv.writeentitiestoclient_stats_culled_trace = 0;
1475         sv.writeentitiestoclient_stats_visibleentities = 0;
1476         sv.writeentitiestoclient_stats_totalentities = 0;
1477
1478 // find the client's PVS
1479         // the real place being tested from
1480         camera = PRVM_EDICT_NUM( client->clientcamera );
1481         VectorAdd(camera->fields.server->origin, clent->fields.server->view_ofs, sv.writeentitiestoclient_testeye);
1482         sv.writeentitiestoclient_pvsbytes = 0;
1483         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1484                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv.writeentitiestoclient_testeye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), false);
1485
1486         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1487
1488         sv.sententitiesmark++;
1489
1490         for (i = 0;i < sv.numsendentities;i++)
1491                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1492
1493         numsendstates = 0;
1494         numcsqcsendstates = 0;
1495         for (i = 0;i < sv.numsendentities;i++)
1496         {
1497                 if (sv.sententities[sv.sendentities[i].number] == sv.sententitiesmark)
1498                 {
1499                         if(sv.sendentities[i].active == ACTIVE_NETWORK)
1500                         {
1501                                 s = &sv.writeentitiestoclient_sendstates[numsendstates++];
1502                                 *s = sv.sendentities[i];
1503                                 if (s->exteriormodelforclient && s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1504                                         s->flags |= RENDER_EXTERIORMODEL;
1505                         }
1506                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1507                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = sv.sendentities[i].number;
1508                         else
1509                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", sv.sendentities[i].number);
1510                 }
1511         }
1512
1513         if (sv_cullentities_stats.integer)
1514                 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);
1515
1516         if(client->entitydatabase5)
1517                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1518         else
1519                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1520
1521         if(client->num_skippedentityframes >= 10)
1522                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1523
1524         if (client->entitydatabase5)
1525                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1526         else if (client->entitydatabase4)
1527         {
1528                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1529                 Protocol_WriteStatsReliable();
1530         }
1531         else if (client->entitydatabase)
1532         {
1533                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1534                 Protocol_WriteStatsReliable();
1535         }
1536         else
1537         {
1538                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1539                 Protocol_WriteStatsReliable();
1540         }
1541
1542         if(success)
1543                 client->num_skippedentityframes = 0;
1544         else
1545                 ++client->num_skippedentityframes;
1546 }
1547
1548 /*
1549 =============
1550 SV_CleanupEnts
1551
1552 =============
1553 */
1554 static void SV_CleanupEnts (void)
1555 {
1556         int             e;
1557         prvm_edict_t    *ent;
1558
1559         ent = PRVM_NEXT_EDICT(prog->edicts);
1560         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1561                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1562 }
1563
1564 /*
1565 ==================
1566 SV_WriteClientdataToMessage
1567
1568 ==================
1569 */
1570 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1571 {
1572         int             bits;
1573         int             i;
1574         prvm_edict_t    *other;
1575         int             items;
1576         prvm_eval_t     *val;
1577         vec3_t  punchvector;
1578         int             viewzoom;
1579         const char *s;
1580         float   *statsf = (float *)stats;
1581
1582 //
1583 // send a damage message
1584 //
1585         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1586         {
1587                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1588                 MSG_WriteByte (msg, svc_damage);
1589                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1590                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1591                 for (i=0 ; i<3 ; i++)
1592                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1593
1594                 ent->fields.server->dmg_take = 0;
1595                 ent->fields.server->dmg_save = 0;
1596         }
1597
1598 //
1599 // send the current viewpos offset from the view entity
1600 //
1601         SV_SetIdealPitch ();            // how much to look up / down ideally
1602
1603 // a fixangle might get lost in a dropped packet.  Oh well.
1604         if(ent->fields.server->fixangle)
1605         {
1606                 // angle fixing was requested by global thinking code...
1607                 // so store the current angles for later use
1608                 memcpy(host_client->fixangle_angles, ent->fields.server->angles, sizeof(host_client->fixangle_angles));
1609                 host_client->fixangle_angles_set = TRUE;
1610
1611                 // and clear fixangle for the next frame
1612                 ent->fields.server->fixangle = 0;
1613         }
1614
1615         if (host_client->fixangle_angles_set)
1616         {
1617                 MSG_WriteByte (msg, svc_setangle);
1618                 for (i=0 ; i < 3 ; i++)
1619                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1620                 host_client->fixangle_angles_set = FALSE;
1621         }
1622
1623         // stuff the sigil bits into the high bits of items for sbar, or else
1624         // mix in items2
1625         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
1626         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1627                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1628         else
1629                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1630
1631         VectorClear(punchvector);
1632         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
1633                 VectorCopy(val->vector, punchvector);
1634
1635         // cache weapon model name and index in client struct to save time
1636         // (this search can be almost 1% of cpu time!)
1637         s = PRVM_GetString(ent->fields.server->weaponmodel);
1638         if (strcmp(s, client->weaponmodel))
1639         {
1640                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1641                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1642         }
1643
1644         viewzoom = 255;
1645         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
1646                 viewzoom = (int)(val->_float * 255.0f);
1647         if (viewzoom == 0)
1648                 viewzoom = 255;
1649
1650         bits = 0;
1651
1652         if ((int)ent->fields.server->flags & FL_ONGROUND)
1653                 bits |= SU_ONGROUND;
1654         if (ent->fields.server->waterlevel >= 2)
1655                 bits |= SU_INWATER;
1656         if (ent->fields.server->idealpitch)
1657                 bits |= SU_IDEALPITCH;
1658
1659         for (i=0 ; i<3 ; i++)
1660         {
1661                 if (ent->fields.server->punchangle[i])
1662                         bits |= (SU_PUNCH1<<i);
1663                 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)
1664                         if (punchvector[i])
1665                                 bits |= (SU_PUNCHVEC1<<i);
1666                 if (ent->fields.server->velocity[i])
1667                         bits |= (SU_VELOCITY1<<i);
1668         }
1669
1670         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1671         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
1672         stats[STAT_ITEMS] = items;
1673         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
1674         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
1675         stats[STAT_WEAPON] = client->weaponmodelindex;
1676         stats[STAT_HEALTH] = (int)ent->fields.server->health;
1677         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
1678         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
1679         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
1680         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
1681         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
1682         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
1683         stats[STAT_VIEWZOOM] = viewzoom;
1684         stats[STAT_TOTALSECRETS] = (int)prog->globals.server->total_secrets;
1685         stats[STAT_TOTALMONSTERS] = (int)prog->globals.server->total_monsters;
1686         // the QC bumps these itself by sending svc_'s, so we have to keep them
1687         // zero or they'll be corrected by the engine
1688         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1689         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1690
1691         // movement settings for prediction
1692         // note: these are not sent in protocols with lower MAX_CL_STATS limits
1693         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
1694                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
1695         ;
1696         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
1697         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
1698         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
1699         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
1700         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
1701         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
1702         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
1703         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
1704         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
1705         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.gravity);
1706         statsf[STAT_MOVEVARS_ENTGRAVITY] = (val && val->_float != 0) ? val->_float : 1.0f;
1707         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
1708         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
1709         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
1710         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
1711         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
1712         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
1713         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
1714         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
1715         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
1716         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
1717         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
1718         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
1719         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
1720         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
1721         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
1722         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
1723         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
1724         statsf[STAT_FRAGLIMIT] = fraglimit.value;
1725         statsf[STAT_TIMELIMIT] = timelimit.value;
1726
1727         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)
1728         {
1729                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
1730                 bits |= SU_ITEMS;
1731                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
1732                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
1733                 bits |= SU_WEAPON;
1734                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
1735                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1736                         if (viewzoom != 255)
1737                                 bits |= SU_VIEWZOOM;
1738         }
1739
1740         if (bits >= 65536)
1741                 bits |= SU_EXTEND1;
1742         if (bits >= 16777216)
1743                 bits |= SU_EXTEND2;
1744
1745         // send the data
1746         MSG_WriteByte (msg, svc_clientdata);
1747         MSG_WriteShort (msg, bits);
1748         if (bits & SU_EXTEND1)
1749                 MSG_WriteByte(msg, bits >> 16);
1750         if (bits & SU_EXTEND2)
1751                 MSG_WriteByte(msg, bits >> 24);
1752
1753         if (bits & SU_VIEWHEIGHT)
1754                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
1755
1756         if (bits & SU_IDEALPITCH)
1757                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
1758
1759         for (i=0 ; i<3 ; i++)
1760         {
1761                 if (bits & (SU_PUNCH1<<i))
1762                 {
1763                         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)
1764                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
1765                         else
1766                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
1767                 }
1768                 if (bits & (SU_PUNCHVEC1<<i))
1769                 {
1770                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1771                                 MSG_WriteCoord16i(msg, punchvector[i]);
1772                         else
1773                                 MSG_WriteCoord32f(msg, punchvector[i]);
1774                 }
1775                 if (bits & (SU_VELOCITY1<<i))
1776                 {
1777                         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)
1778                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
1779                         else
1780                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
1781                 }
1782         }
1783
1784         if (bits & SU_ITEMS)
1785                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
1786
1787         if (sv.protocol == PROTOCOL_DARKPLACES5)
1788         {
1789                 if (bits & SU_WEAPONFRAME)
1790                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
1791                 if (bits & SU_ARMOR)
1792                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
1793                 if (bits & SU_WEAPON)
1794                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
1795                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1796                 MSG_WriteShort (msg, stats[STAT_AMMO]);
1797                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
1798                 MSG_WriteShort (msg, stats[STAT_NAILS]);
1799                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
1800                 MSG_WriteShort (msg, stats[STAT_CELLS]);
1801                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
1802                 if (bits & SU_VIEWZOOM)
1803                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1804         }
1805         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)
1806         {
1807                 if (bits & SU_WEAPONFRAME)
1808                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
1809                 if (bits & SU_ARMOR)
1810                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
1811                 if (bits & SU_WEAPON)
1812                 {
1813                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
1814                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
1815                         else
1816                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
1817                 }
1818                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1819                 MSG_WriteByte (msg, stats[STAT_AMMO]);
1820                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
1821                 MSG_WriteByte (msg, stats[STAT_NAILS]);
1822                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
1823                 MSG_WriteByte (msg, stats[STAT_CELLS]);
1824                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1825                 {
1826                         for (i = 0;i < 32;i++)
1827                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
1828                                         break;
1829                         MSG_WriteByte (msg, i);
1830                 }
1831                 else
1832                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
1833                 if (bits & SU_VIEWZOOM)
1834                 {
1835                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1836                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
1837                         else
1838                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1839                 }
1840         }
1841 }
1842
1843 void SV_FlushBroadcastMessages(void)
1844 {
1845         int i;
1846         client_t *client;
1847         if (sv.datagram.cursize <= 0)
1848                 return;
1849         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
1850         {
1851                 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])))
1852                         continue;
1853                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
1854                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
1855         }
1856         SZ_Clear(&sv.datagram);
1857 }
1858
1859 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
1860 {
1861         // scan the splitpoints to find out how many we can fit in
1862         int numsegments, j, split;
1863         if (!client->unreliablemsg_splitpoints)
1864                 return;
1865         // always accept the first one if it's within 1024 bytes, this ensures
1866         // that very big datagrams which are over the rate limit still get
1867         // through, just to keep it working
1868         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
1869                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
1870                         break;
1871         // the first segment gets an exemption from the rate limiting, otherwise
1872         // it could get dropped consistently due to a low rate limit
1873         if (numsegments == 1)
1874                 maxsize = maxsize2;
1875         // some will fit, so add the ones that will fit
1876         split = client->unreliablemsg_splitpoint[numsegments-1];
1877         // note this discards ones that were accepted by the segments scan but
1878         // can not fit, such as a really huge first one that will never ever
1879         // fit in a packet...
1880         if (msg->cursize + split <= maxsize)
1881                 SZ_Write(msg, client->unreliablemsg.data, split);
1882         // remove the part we sent, keeping any remaining data
1883         client->unreliablemsg.cursize -= split;
1884         if (client->unreliablemsg.cursize > 0)
1885                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
1886         // adjust remaining splitpoints
1887         client->unreliablemsg_splitpoints -= numsegments;
1888         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
1889                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
1890 }
1891
1892 /*
1893 =======================
1894 SV_SendClientDatagram
1895 =======================
1896 */
1897 static void SV_SendClientDatagram (client_t *client)
1898 {
1899         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
1900         sizebuf_t msg;
1901         int stats[MAX_CL_STATS];
1902         unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
1903
1904         // obey rate limit by limiting packet frequency if the packet size
1905         // limiting fails
1906         // (usually this is caused by reliable messages)
1907         if (!NetConn_CanSend(client->netconnection))
1908                 return;
1909
1910         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
1911         maxrate = max(NET_MINRATE, sv_maxrate.integer);
1912         if (sv_maxrate.integer != maxrate)
1913                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
1914
1915         // clientrate determines the 'cleartime' of a packet
1916         // (how long to wait before sending another, based on this packet's size)
1917         clientrate = bound(NET_MINRATE, client->rate, maxrate);
1918
1919         switch (sv.protocol)
1920         {
1921         case PROTOCOL_QUAKE:
1922         case PROTOCOL_QUAKEDP:
1923         case PROTOCOL_NEHAHRAMOVIE:
1924         case PROTOCOL_NEHAHRABJP:
1925         case PROTOCOL_NEHAHRABJP2:
1926         case PROTOCOL_NEHAHRABJP3:
1927         case PROTOCOL_QUAKEWORLD:
1928                 // no packet size limit support on Quake protocols because it just
1929                 // causes missing entities/effects
1930                 // packets are simply sent less often to obey the rate limit
1931                 maxsize = 1024;
1932                 maxsize2 = 1024;
1933                 break;
1934         case PROTOCOL_DARKPLACES1:
1935         case PROTOCOL_DARKPLACES2:
1936         case PROTOCOL_DARKPLACES3:
1937         case PROTOCOL_DARKPLACES4:
1938                 // no packet size limit support on DP1-4 protocols because they kick
1939                 // the client off if they overflow, and miss effects
1940                 // packets are simply sent less often to obey the rate limit
1941                 maxsize = sizeof(sv_sendclientdatagram_buf);
1942                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
1943                 break;
1944         default:
1945                 // DP5 and later protocols support packet size limiting which is a
1946                 // better method than limiting packet frequency as QW does
1947                 //
1948                 // at very low rates (or very small sys_ticrate) the packet size is
1949                 // not reduced below 128, but packets may be sent less often
1950                 maxsize = (int)(clientrate * sys_ticrate.value);
1951                 maxsize = bound(128, maxsize, 1400);
1952                 maxsize2 = 1400;
1953                 // csqc entities can easily exceed 128 bytes, so disable throttling in
1954                 // mods that use csqc (they are likely to use less bandwidth anyway)
1955                 if (sv.csqc_progsize > 0)
1956                         maxsize = maxsize2;
1957                 break;
1958         }
1959
1960         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
1961         {
1962                 // for good singleplayer, send huge packets
1963                 maxsize = sizeof(sv_sendclientdatagram_buf);
1964                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
1965                 // never limit frequency in singleplayer
1966                 clientrate = 1000000000;
1967         }
1968
1969         // while downloading, limit entity updates to half the packet
1970         // (any leftover space will be used for downloading)
1971         if (host_client->download_file)
1972                 maxsize /= 2;
1973
1974         msg.data = sv_sendclientdatagram_buf;
1975         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
1976         msg.cursize = 0;
1977         msg.allowoverflow = false;
1978
1979         if (host_client->spawned)
1980         {
1981                 // the player is in the game
1982                 MSG_WriteByte (&msg, svc_time);
1983                 MSG_WriteFloat (&msg, sv.time);
1984
1985                 // add the client specific data to the datagram
1986                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
1987                 // now update the stats[] array using any registered custom fields
1988                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
1989                 // set host_client->statsdeltabits
1990                 Protocol_UpdateClientStats (stats);
1991
1992                 // add as many queued unreliable messages (effects) as we can fit
1993                 // limit effects to half of the remaining space
1994                 if (client->unreliablemsg.cursize)
1995                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
1996
1997                 // now write as many entities as we can fit, and also sends stats
1998                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
1999         }
2000         else if (realtime > client->keepalivetime)
2001         {
2002                 // the player isn't totally in the game yet
2003                 // send small keepalive messages if too much time has passed
2004                 // (may also be sending downloads)
2005                 client->keepalivetime = realtime + 5;
2006                 MSG_WriteChar (&msg, svc_nop);
2007         }
2008
2009         // if a download is active, see if there is room to fit some download data
2010         // in this packet
2011         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2012         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2013         {
2014                 fs_offset_t downloadstart;
2015                 unsigned char data[1400];
2016                 downloadstart = FS_Tell(host_client->download_file);
2017                 downloadsize = min(downloadsize, (int)sizeof(data));
2018                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2019                 // note this sends empty messages if at the end of the file, which is
2020                 // necessary to keep the packet loss logic working
2021                 // (the last blocks may be lost and need to be re-sent, and that will
2022                 //  only occur if the client acks the empty end messages, revealing
2023                 //  a gap in the download progress, causing the last blocks to be
2024                 //  sent again)
2025                 MSG_WriteChar (&msg, svc_downloaddata);
2026                 MSG_WriteLong (&msg, downloadstart);
2027                 MSG_WriteShort (&msg, downloadsize);
2028                 if (downloadsize > 0)
2029                         SZ_Write (&msg, data, downloadsize);
2030         }
2031
2032         // reliable only if none is in progress
2033         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2034                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2035         // unreliable
2036         SV_WriteDemoMessage(client, &msg, false);
2037
2038 // send the datagram
2039         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2040         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2041                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2042 }
2043
2044 /*
2045 =======================
2046 SV_UpdateToReliableMessages
2047 =======================
2048 */
2049 static void SV_UpdateToReliableMessages (void)
2050 {
2051         int i, j;
2052         client_t *client;
2053         prvm_eval_t *val;
2054         const char *name;
2055         const char *model;
2056         const char *skin;
2057
2058 // check for changes to be sent over the reliable streams
2059         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2060         {
2061                 // update the host_client fields we care about according to the entity fields
2062                 host_client->edict = PRVM_EDICT_NUM(i+1);
2063
2064                 // DP_SV_CLIENTNAME
2065                 name = PRVM_GetString(host_client->edict->fields.server->netname);
2066                 if (name == NULL)
2067                         name = "";
2068                 // always point the string back at host_client->name to keep it safe
2069                 strlcpy (host_client->name, name, sizeof (host_client->name));
2070                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
2071                 if (strcmp(host_client->old_name, host_client->name))
2072                 {
2073                         if (host_client->spawned)
2074                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2075                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2076                         // send notification to all clients
2077                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2078                         MSG_WriteByte (&sv.reliable_datagram, i);
2079                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2080                         SV_WriteNetnameIntoDemo(host_client);
2081                 }
2082
2083                 // DP_SV_CLIENTCOLORS
2084                 // this is always found (since it's added by the progs loader)
2085                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
2086                         host_client->colors = (int)val->_float;
2087                 if (host_client->old_colors != host_client->colors)
2088                 {
2089                         host_client->old_colors = host_client->colors;
2090                         // send notification to all clients
2091                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2092                         MSG_WriteByte (&sv.reliable_datagram, i);
2093                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2094                 }
2095
2096                 // NEXUIZ_PLAYERMODEL
2097                 if( prog->fieldoffsets.playermodel >= 0 ) {
2098                         model = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string);
2099                         if (model == NULL)
2100                                 model = "";
2101                         // always point the string back at host_client->name to keep it safe
2102                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2103                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
2104                 }
2105
2106                 // NEXUIZ_PLAYERSKIN
2107                 if( prog->fieldoffsets.playerskin >= 0 ) {
2108                         skin = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string);
2109                         if (skin == NULL)
2110                                 skin = "";
2111                         // always point the string back at host_client->name to keep it safe
2112                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2113                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
2114                 }
2115
2116                 // TODO: add an extension name for this [1/17/2008 Black]
2117                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcamera)) && val->edict > 0 ) {
2118                         int oldclientcamera = host_client->clientcamera;
2119                         if( val->edict >= prog->max_edicts || PRVM_EDICT_NUM( val->edict )->priv.required->free ) {
2120                                 val->edict = host_client->clientcamera = PRVM_NUM_FOR_EDICT( host_client->edict );
2121                         } else {
2122                                 host_client->clientcamera = val->edict;
2123                         }
2124
2125                         if( oldclientcamera != host_client->clientcamera ) {
2126                                 MSG_WriteByte (&sv.reliable_datagram, svc_setview );
2127                                 MSG_WriteShort (&host_client->netconnection->message, host_client->clientcamera);
2128                         }
2129                 }
2130
2131                 // frags
2132                 host_client->frags = (int)host_client->edict->fields.server->frags;
2133                 if(gamemode == GAME_NEXUIZ)
2134                         if(!host_client->spawned && host_client->netconnection)
2135                                 host_client->frags = -666;
2136                 if (host_client->old_frags != host_client->frags)
2137                 {
2138                         host_client->old_frags = host_client->frags;
2139                         // send notification to all clients
2140                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2141                         MSG_WriteByte (&sv.reliable_datagram, i);
2142                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2143                 }
2144         }
2145
2146         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2147                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2148                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2149
2150         SZ_Clear (&sv.reliable_datagram);
2151 }
2152
2153
2154 /*
2155 =======================
2156 SV_SendClientMessages
2157 =======================
2158 */
2159 void SV_SendClientMessages (void)
2160 {
2161         int i, prepared = false;
2162
2163         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2164                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2165
2166         SV_FlushBroadcastMessages();
2167
2168 // update frags, names, etc
2169         SV_UpdateToReliableMessages();
2170
2171 // build individual updates
2172         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2173         {
2174                 if (!host_client->active)
2175                         continue;
2176                 if (!host_client->netconnection)
2177                         continue;
2178
2179                 if (host_client->netconnection->message.overflowed)
2180                 {
2181                         SV_DropClient (true);   // if the message couldn't send, kick off
2182                         continue;
2183                 }
2184
2185                 if (!prepared)
2186                 {
2187                         prepared = true;
2188                         // only prepare entities once per frame
2189                         SV_PrepareEntitiesForSending();
2190                 }
2191                 SV_SendClientDatagram (host_client);
2192         }
2193
2194 // clear muzzle flashes
2195         SV_CleanupEnts();
2196 }
2197
2198 static void SV_StartDownload_f(void)
2199 {
2200         if (host_client->download_file)
2201                 host_client->download_started = true;
2202 }
2203
2204 /*
2205  * Compression extension negotiation:
2206  *
2207  * Server to client:
2208  *   cl_serverextension_download 2
2209  *
2210  * Client to server:
2211  *   download <filename> <list of zero or more suppported compressions in order of preference>
2212  * e.g.
2213  *   download maps/map1.bsp lzo deflate huffman
2214  *
2215  * Server to client:
2216  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2217  * e.g.
2218  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2219  *
2220  * The server may choose not to compress the file by sending no compression name, like:
2221  *   cl_downloadbegin 345678 maps/map1.bsp
2222  *
2223  * NOTE: the "download" command may only specify compression algorithms if
2224  *       cl_serverextension_download is 2!
2225  *       If cl_serverextension_download has a different value, the client must
2226  *       assume this extension is not supported!
2227  */
2228
2229 static void Download_CheckExtensions(void)
2230 {
2231         int i;
2232         int argc = Cmd_Argc();
2233
2234         // first reset them all
2235         host_client->download_deflate = false;
2236
2237         for(i = 2; i < argc; ++i)
2238         {
2239                 if(!strcmp(Cmd_Argv(i), "deflate"))
2240                 {
2241                         host_client->download_deflate = true;
2242                         break;
2243                 }
2244         }
2245 }
2246
2247 static void SV_Download_f(void)
2248 {
2249         const char *whichpack, *whichpack2, *extension;
2250         qboolean is_csqc; // so we need to check only once
2251
2252         if (Cmd_Argc() < 2)
2253         {
2254                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2255                 SV_ClientPrintf("       supported extensions: deflate\n");
2256                 return;
2257         }
2258
2259         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2260         {
2261                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2262                 return;
2263         }
2264
2265         if (host_client->download_file)
2266         {
2267                 // at this point we'll assume the previous download should be aborted
2268                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2269                 Host_ClientCommands("\nstopdownload\n");
2270
2271                 // close the file and reset variables
2272                 FS_Close(host_client->download_file);
2273                 host_client->download_file = NULL;
2274                 host_client->download_name[0] = 0;
2275                 host_client->download_expectedposition = 0;
2276                 host_client->download_started = false;
2277         }
2278
2279         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2280
2281         if (!sv_allowdownloads.integer && !is_csqc)
2282         {
2283                 SV_ClientPrintf("Downloads are disabled on this server\n");
2284                 Host_ClientCommands("\nstopdownload\n");
2285                 return;
2286         }
2287
2288         Download_CheckExtensions();
2289
2290         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2291         extension = FS_FileExtension(host_client->download_name);
2292
2293         // host_client is asking to download a specified file
2294         if (developer.integer >= 100)
2295                 Con_Printf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2296
2297         if(is_csqc)
2298         {
2299                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2300                 extensions[0] = '\0';
2301
2302                 if(host_client->download_deflate)
2303                         strlcat(extensions, " deflate", sizeof(extensions));
2304
2305                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2306
2307                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2308                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2309                 else
2310                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2311
2312                 // no, no space is needed between %s and %s :P
2313                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2314
2315                 host_client->download_expectedposition = 0;
2316                 host_client->download_started = false;
2317                 host_client->sendsignon = true; // make sure this message is sent
2318                 return;
2319         }
2320
2321         if (!FS_FileExists(host_client->download_name))
2322         {
2323                 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);
2324                 Host_ClientCommands("\nstopdownload\n");
2325                 return;
2326         }
2327
2328         // check if the user is trying to download part of registered Quake(r)
2329         whichpack = FS_WhichPack(host_client->download_name);
2330         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2331         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2332         {
2333                 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);
2334                 Host_ClientCommands("\nstopdownload\n");
2335                 return;
2336         }
2337
2338         // check if the server has forbidden archive downloads entirely
2339         if (!sv_allowdownloads_inarchive.integer)
2340         {
2341                 whichpack = FS_WhichPack(host_client->download_name);
2342                 if (whichpack)
2343                 {
2344                         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);
2345                         Host_ClientCommands("\nstopdownload\n");
2346                         return;
2347                 }
2348         }
2349
2350         if (!sv_allowdownloads_config.integer)
2351         {
2352                 if (!strcasecmp(extension, "cfg"))
2353                 {
2354                         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);
2355                         Host_ClientCommands("\nstopdownload\n");
2356                         return;
2357                 }
2358         }
2359
2360         if (!sv_allowdownloads_dlcache.integer)
2361         {
2362                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2363                 {
2364                         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);
2365                         Host_ClientCommands("\nstopdownload\n");
2366                         return;
2367                 }
2368         }
2369
2370         if (!sv_allowdownloads_archive.integer)
2371         {
2372                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2373                 {
2374                         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);
2375                         Host_ClientCommands("\nstopdownload\n");
2376                         return;
2377                 }
2378         }
2379
2380         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2381         if (!host_client->download_file)
2382         {
2383                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2384                 Host_ClientCommands("\nstopdownload\n");
2385                 return;
2386         }
2387
2388         if (FS_FileSize(host_client->download_file) > 1<<30)
2389         {
2390                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2391                 Host_ClientCommands("\nstopdownload\n");
2392                 FS_Close(host_client->download_file);
2393                 host_client->download_file = NULL;
2394                 return;
2395         }
2396
2397         if (FS_FileSize(host_client->download_file) < 0)
2398         {
2399                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2400                 Host_ClientCommands("\nstopdownload\n");
2401                 FS_Close(host_client->download_file);
2402                 host_client->download_file = NULL;
2403                 return;
2404         }
2405
2406         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2407
2408         /*
2409          * we can only do this if we would actually deflate on the fly
2410          * which we do not (yet)!
2411         {
2412                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2413                 extensions[0] = '\0';
2414
2415                 if(host_client->download_deflate)
2416                         strlcat(extensions, " deflate", sizeof(extensions));
2417
2418                 // no, no space is needed between %s and %s :P
2419                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2420         }
2421         */
2422         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2423
2424         host_client->download_expectedposition = 0;
2425         host_client->download_started = false;
2426         host_client->sendsignon = true; // make sure this message is sent
2427
2428         // the rest of the download process is handled in SV_SendClientDatagram
2429         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2430         //
2431         // no svc_downloaddata messages will be sent until sv_startdownload is
2432         // sent by the client
2433 }
2434
2435 /*
2436 ==============================================================================
2437
2438 SERVER SPAWNING
2439
2440 ==============================================================================
2441 */
2442
2443 /*
2444 ================
2445 SV_ModelIndex
2446
2447 ================
2448 */
2449 int SV_ModelIndex(const char *s, int precachemode)
2450 {
2451         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);
2452         char filename[MAX_QPATH];
2453         if (!s || !*s)
2454                 return 0;
2455         // testing
2456         //if (precachemode == 2)
2457         //      return 0;
2458         strlcpy(filename, s, sizeof(filename));
2459         for (i = 2;i < limit;i++)
2460         {
2461                 if (!sv.model_precache[i][0])
2462                 {
2463                         if (precachemode)
2464                         {
2465                                 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))
2466                                 {
2467                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2468                                         return 0;
2469                                 }
2470                                 if (precachemode == 1)
2471                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2472                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2473                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.modelname : NULL);
2474                                 if (sv.state != ss_loading)
2475                                 {
2476                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2477                                         MSG_WriteShort(&sv.reliable_datagram, i);
2478                                         MSG_WriteString(&sv.reliable_datagram, filename);
2479                                 }
2480                                 return i;
2481                         }
2482                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2483                         return 0;
2484                 }
2485                 if (!strcmp(sv.model_precache[i], filename))
2486                         return i;
2487         }
2488         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2489         return 0;
2490 }
2491
2492 /*
2493 ================
2494 SV_SoundIndex
2495
2496 ================
2497 */
2498 int SV_SoundIndex(const char *s, int precachemode)
2499 {
2500         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);
2501         char filename[MAX_QPATH];
2502         if (!s || !*s)
2503                 return 0;
2504         // testing
2505         //if (precachemode == 2)
2506         //      return 0;
2507         strlcpy(filename, s, sizeof(filename));
2508         for (i = 1;i < limit;i++)
2509         {
2510                 if (!sv.sound_precache[i][0])
2511                 {
2512                         if (precachemode)
2513                         {
2514                                 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))
2515                                 {
2516                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2517                                         return 0;
2518                                 }
2519                                 if (precachemode == 1)
2520                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2521                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2522                                 if (sv.state != ss_loading)
2523                                 {
2524                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2525                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2526                                         MSG_WriteString(&sv.reliable_datagram, filename);
2527                                 }
2528                                 return i;
2529                         }
2530                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2531                         return 0;
2532                 }
2533                 if (!strcmp(sv.sound_precache[i], filename))
2534                         return i;
2535         }
2536         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2537         return 0;
2538 }
2539
2540 /*
2541 ================
2542 SV_ParticleEffectIndex
2543
2544 ================
2545 */
2546 int SV_ParticleEffectIndex(const char *name)
2547 {
2548         int i, argc, linenumber, effectnameindex;
2549         fs_offset_t filesize;
2550         unsigned char *filedata;
2551         const char *text, *textstart, *textend;
2552         char argv[16][1024];
2553         if (!sv.particleeffectnamesloaded)
2554         {
2555                 sv.particleeffectnamesloaded = true;
2556                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2557                 for (i = 0;i < EFFECT_TOTAL;i++)
2558                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2559                 filedata = FS_LoadFile("effectinfo.txt", tempmempool, true, &filesize);
2560                 if (filedata)
2561                 {
2562                         textstart = (const char *)filedata;
2563                         textend = (const char *)filedata + filesize;
2564                         text = textstart;
2565                         for (linenumber = 1;;linenumber++)
2566                         {
2567                                 argc = 0;
2568                                 for (;;)
2569                                 {
2570                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2571                                                 break;
2572                                         if (argc < 16)
2573                                         {
2574                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2575                                                 argc++;
2576                                         }
2577                                 }
2578                                 if (com_token[0] == 0)
2579                                         break; // if the loop exited and it's not a \n, it's EOF
2580                                 if (argc < 1)
2581                                         continue;
2582                                 if (!strcmp(argv[0], "effect"))
2583                                 {
2584                                         if (argc == 2)
2585                                         {
2586                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2587                                                 {
2588                                                         if (sv.particleeffectname[effectnameindex][0])
2589                                                         {
2590                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2591                                                                         break;
2592                                                         }
2593                                                         else
2594                                                         {
2595                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2596                                                                 break;
2597                                                         }
2598                                                 }
2599                                                 // if we run out of names, abort
2600                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2601                                                 {
2602                                                         Con_Printf("effectinfo.txt:%i: too many effects!\n", linenumber);
2603                                                         break;
2604                                                 }
2605                                         }
2606                                 }
2607                         }
2608                         Mem_Free(filedata);
2609                 }
2610         }
2611         // search for the name
2612         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2613                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2614                         return effectnameindex;
2615         // return 0 if we couldn't find it
2616         return 0;
2617 }
2618
2619 /*
2620 ================
2621 SV_CreateBaseline
2622
2623 ================
2624 */
2625 static void SV_CreateBaseline (void)
2626 {
2627         int i, entnum, large;
2628         prvm_edict_t *svent;
2629
2630         // LordHavoc: clear *all* states (note just active ones)
2631         for (entnum = 0;entnum < prog->max_edicts;entnum++)
2632         {
2633                 // get the current server version
2634                 svent = PRVM_EDICT_NUM(entnum);
2635
2636                 // LordHavoc: always clear state values, whether the entity is in use or not
2637                 svent->priv.server->baseline = defaultstate;
2638
2639                 if (svent->priv.server->free)
2640                         continue;
2641                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
2642                         continue;
2643
2644                 // create entity baseline
2645                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
2646                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
2647                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
2648                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
2649                 if (entnum > 0 && entnum <= svs.maxclients)
2650                 {
2651                         svent->priv.server->baseline.colormap = entnum;
2652                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
2653                 }
2654                 else
2655                 {
2656                         svent->priv.server->baseline.colormap = 0;
2657                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
2658                 }
2659
2660                 large = false;
2661                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
2662                 {
2663                         large = true;
2664                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2665                                 large = false;
2666                 }
2667
2668                 // add to the message
2669                 if (large)
2670                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
2671                 else
2672                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
2673                 MSG_WriteShort (&sv.signon, entnum);
2674
2675                 if (large)
2676                 {
2677                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2678                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
2679                 }
2680                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2681                 {
2682                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2683                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2684                 }
2685                 else
2686                 {
2687                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
2688                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2689                 }
2690                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
2691                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
2692                 for (i=0 ; i<3 ; i++)
2693                 {
2694                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
2695                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
2696                 }
2697         }
2698 }
2699
2700 /*
2701 ================
2702 SV_Prepare_CSQC
2703
2704 Load csprogs.dat and comperss it so it doesn't need to be
2705 reloaded on request.
2706 ================
2707 */
2708 void SV_Prepare_CSQC(void)
2709 {
2710         fs_offset_t progsize;
2711
2712         if(svs.csqc_progdata)
2713         {
2714                 Con_DPrintf("Unloading old CSQC data.\n");
2715                 Mem_Free(svs.csqc_progdata);
2716                 if(svs.csqc_progdata_deflated)
2717                         Mem_Free(svs.csqc_progdata_deflated);
2718         }
2719
2720         svs.csqc_progdata = NULL;
2721         svs.csqc_progdata_deflated = NULL;
2722
2723         Con_Print("Loading csprogs.dat\n");
2724
2725         sv.csqc_progname[0] = 0;
2726         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
2727
2728         if(progsize > 0)
2729         {
2730                 size_t deflated_size;
2731
2732                 sv.csqc_progsize = (int)progsize;
2733                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
2734                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
2735                 Con_Printf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
2736
2737                 Con_Print("Compressing csprogs.dat\n");
2738                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
2739                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
2740                 svs.csqc_progsize_deflated = (int)deflated_size;
2741                 if(svs.csqc_progdata_deflated)
2742                 {
2743                         Con_Printf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
2744                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
2745                 }
2746                 else
2747                         Con_Printf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
2748         }
2749 }
2750
2751 /*
2752 ================
2753 SV_SaveSpawnparms
2754
2755 Grabs the current state of each client for saving across the
2756 transition to another level
2757 ================
2758 */
2759 void SV_SaveSpawnparms (void)
2760 {
2761         int             i, j;
2762
2763         svs.serverflags = (int)prog->globals.server->serverflags;
2764
2765         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2766         {
2767                 if (!host_client->active)
2768                         continue;
2769
2770         // call the progs to get default spawn parms for the new client
2771                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
2772                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
2773                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
2774                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
2775         }
2776 }
2777
2778 /*
2779 ================
2780 SV_SpawnServer
2781
2782 This is called at the start of each level
2783 ================
2784 */
2785
2786 void SV_SpawnServer (const char *server)
2787 {
2788         prvm_edict_t *ent;
2789         int i;
2790         char *entities;
2791         dp_model_t *worldmodel;
2792         char modelname[sizeof(sv.modelname)];
2793
2794         Con_DPrintf("SpawnServer: %s\n", server);
2795
2796         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
2797
2798         if (!FS_FileExists(modelname))
2799         {
2800                 Con_Printf("SpawnServer: no map file named %s\n", modelname);
2801                 return;
2802         }
2803
2804         if (cls.state != ca_dedicated)
2805         {
2806                 SCR_BeginLoadingPlaque();
2807                 S_StopAllSounds();
2808         }
2809
2810         if(sv.active)
2811         {
2812                 SV_VM_Begin();
2813                 if(prog->funcoffsets.SV_Shutdown)
2814                 {
2815                         func_t s = prog->funcoffsets.SV_Shutdown;
2816                         prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
2817                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
2818                 }
2819                 SV_VM_End();
2820         }
2821
2822         // free q3 shaders so that any newly downloaded shaders will be active
2823         Mod_FreeQ3Shaders();
2824
2825         worldmodel = Mod_ForName(modelname, false, true, NULL);
2826         if (!worldmodel || !worldmodel->TraceBox)
2827         {
2828                 Con_Printf("Couldn't load map %s\n", modelname);
2829                 return;
2830         }
2831
2832         // let's not have any servers with no name
2833         if (hostname.string[0] == 0)
2834                 Cvar_Set ("hostname", "UNNAMED");
2835         scr_centertime_off = 0;
2836
2837         svs.changelevel_issued = false;         // now safe to issue another
2838
2839         // make the map a required file for clients
2840         Curl_ClearRequirements();
2841         Curl_RequireFile(modelname);
2842
2843 //
2844 // tell all connected clients that we are going to a new level
2845 //
2846         if (sv.active)
2847         {
2848                 client_t *client;
2849                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2850                 {
2851                         if (client->netconnection)
2852                         {
2853                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
2854                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
2855                         }
2856                 }
2857         }
2858         else
2859         {
2860                 // open server port
2861                 NetConn_OpenServerPorts(true);
2862         }
2863
2864 //
2865 // make cvars consistant
2866 //
2867         if (coop.integer)
2868                 Cvar_SetValue ("deathmatch", 0);
2869         // LordHavoc: it can be useful to have skills outside the range 0-3...
2870         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
2871         //Cvar_SetValue ("skill", (float)current_skill);
2872         current_skill = (int)(skill.value + 0.5);
2873
2874 //
2875 // set up the new server
2876 //
2877         memset (&sv, 0, sizeof(sv));
2878         // if running a local client, make sure it doesn't try to access the last
2879         // level's data which is no longer valiud
2880         cls.signon = 0;
2881
2882         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
2883
2884         if(*sv_random_seed.string)
2885         {
2886                 srand(sv_random_seed.integer);
2887                 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);
2888         }
2889
2890         SV_VM_Setup();
2891
2892         sv.active = true;
2893
2894         strlcpy (sv.name, server, sizeof (sv.name));
2895
2896         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
2897         if (sv.protocol == PROTOCOL_UNKNOWN)
2898         {
2899                 char buffer[1024];
2900                 Protocol_Names(buffer, sizeof(buffer));
2901                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
2902                 sv.protocol = PROTOCOL_QUAKE;
2903         }
2904
2905         SV_VM_Begin();
2906
2907 // load progs to get entity field count
2908         //PR_LoadProgs ( sv_progs.string );
2909
2910         sv.datagram.maxsize = sizeof(sv.datagram_buf);
2911         sv.datagram.cursize = 0;
2912         sv.datagram.data = sv.datagram_buf;
2913
2914         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
2915         sv.reliable_datagram.cursize = 0;
2916         sv.reliable_datagram.data = sv.reliable_datagram_buf;
2917
2918         sv.signon.maxsize = sizeof(sv.signon_buf);
2919         sv.signon.cursize = 0;
2920         sv.signon.data = sv.signon_buf;
2921
2922 // leave slots at start for clients only
2923         //prog->num_edicts = svs.maxclients+1;
2924
2925         sv.state = ss_loading;
2926         prog->allowworldwrites = true;
2927         sv.paused = false;
2928
2929         prog->globals.server->time = sv.time = 1.0;
2930
2931         Mod_ClearUsed();
2932         worldmodel->used = true;
2933
2934         strlcpy (sv.name, server, sizeof (sv.name));
2935         strlcpy(sv.modelname, modelname, sizeof(sv.modelname));
2936         sv.worldmodel = worldmodel;
2937         sv.models[1] = sv.worldmodel;
2938
2939 //
2940 // clear world interaction links
2941 //
2942         World_SetSize(&sv.world, sv.worldmodel->name, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
2943
2944         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
2945
2946         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
2947         strlcpy(sv.model_precache[1], sv.modelname, sizeof(sv.model_precache[1]));
2948         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
2949         {
2950                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
2951                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.modelname);
2952         }
2953         if(i < sv.worldmodel->brush.numsubmodels)
2954                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
2955
2956 //
2957 // load the rest of the entities
2958 //
2959         // AK possible hack since num_edicts is still 0
2960         ent = PRVM_EDICT_NUM(0);
2961         memset (ent->fields.server, 0, prog->progs->entityfields * 4);
2962         ent->priv.server->free = false;
2963         ent->fields.server->model = PRVM_SetEngineString(sv.modelname);
2964         ent->fields.server->modelindex = 1;             // world model
2965         ent->fields.server->solid = SOLID_BSP;
2966         ent->fields.server->movetype = MOVETYPE_PUSH;
2967         VectorCopy(sv.world.mins, ent->fields.server->mins);
2968         VectorCopy(sv.world.maxs, ent->fields.server->maxs);
2969         VectorCopy(sv.world.mins, ent->fields.server->absmin);
2970         VectorCopy(sv.world.maxs, ent->fields.server->absmax);
2971
2972         if (coop.value)
2973                 prog->globals.server->coop = coop.integer;
2974         else
2975                 prog->globals.server->deathmatch = deathmatch.integer;
2976
2977         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
2978
2979 // serverflags are for cross level information (sigils)
2980         prog->globals.server->serverflags = svs.serverflags;
2981
2982         // we need to reset the spawned flag on all connected clients here so that
2983         // their thinks don't run during startup (before PutClientInServer)
2984         // we also need to set up the client entities now
2985         // and we need to set the ->edict pointers to point into the progs edicts
2986         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2987         {
2988                 host_client->spawned = false;
2989                 host_client->edict = PRVM_EDICT_NUM(i + 1);
2990                 PRVM_ED_ClearEdict(host_client->edict);
2991         }
2992
2993         // load replacement entity file if found
2994         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true, NULL)))
2995         {
2996                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
2997                 PRVM_ED_LoadFromFile (entities);
2998                 Mem_Free(entities);
2999         }
3000         else
3001                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
3002
3003
3004         // LordHavoc: clear world angles (to fix e3m3.bsp)
3005         VectorClear(prog->edicts->fields.server->angles);
3006
3007 // all setup is completed, any further precache statements are errors
3008 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3009         prog->allowworldwrites = false;
3010
3011 // run two frames to allow everything to settle
3012         prog->globals.server->time = sv.time = 1.0001;
3013         for (i = 0;i < 2;i++)
3014         {
3015                 sv.frametime = 0.1;
3016                 SV_Physics ();
3017         }
3018
3019         if (cls.state == ca_dedicated)
3020                 Mod_PurgeUnused();
3021
3022 // create a baseline for more efficient communications
3023         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)
3024                 SV_CreateBaseline ();
3025
3026         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3027
3028         // to prevent network timeouts
3029         realtime = Sys_DoubleTime();
3030
3031 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3032         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3033         {
3034                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3035                 if (!host_client->active)
3036                         continue;
3037                 if (host_client->netconnection)
3038                         SV_SendServerinfo(host_client);
3039                 else
3040                 {
3041                         int j;
3042                         // if client is a botclient coming from a level change, we need to
3043                         // set up client info that normally requires networking
3044
3045                         // copy spawn parms out of the client_t
3046                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3047                                 (&prog->globals.server->parm1)[j] = host_client->spawn_parms[j];
3048
3049                         // call the spawn function
3050                         host_client->clientconnectcalled = true;
3051                         prog->globals.server->time = sv.time;
3052                         prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3053                         PRVM_ExecuteProgram (prog->globals.server->ClientConnect, "QC function ClientConnect is missing");
3054                         PRVM_ExecuteProgram (prog->globals.server->PutClientInServer, "QC function PutClientInServer is missing");
3055                         host_client->spawned = true;
3056                 }
3057         }
3058
3059         Con_DPrint("Server spawned.\n");
3060         NetConn_Heartbeat (2);
3061
3062         SV_VM_End();
3063 }
3064
3065 /////////////////////////////////////////////////////
3066 // SV VM stuff
3067
3068 static void SV_VM_CB_BeginIncreaseEdicts(void)
3069 {
3070         // links don't survive the transition, so unlink everything
3071         World_UnlinkAll(&sv.world);
3072 }
3073
3074 static void SV_VM_CB_EndIncreaseEdicts(void)
3075 {
3076         int i;
3077         prvm_edict_t *ent;
3078
3079         // link every entity except world
3080         for (i = 1, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
3081                 if (!ent->priv.server->free)
3082                         SV_LinkEdict(ent, false);
3083 }
3084
3085 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3086 {
3087         // LordHavoc: for consistency set these here
3088         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3089
3090         e->priv.server->move = false; // don't move on first frame
3091
3092         if (num >= 0 && num < svs.maxclients)
3093         {
3094                 prvm_eval_t *val;
3095                 // set colormap and team on newly created player entity
3096                 e->fields.server->colormap = num + 1;
3097                 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
3098                 // set netname/clientcolors back to client values so that
3099                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3100                 // reset them
3101                 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
3102                 if ((val = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.clientcolors)))
3103                         val->_float = svs.clients[num].colors;
3104                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3105                 if( prog->fieldoffsets.playermodel >= 0 )
3106                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(svs.clients[num].playermodel);
3107                 if( prog->fieldoffsets.playerskin >= 0 )
3108                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(svs.clients[num].playerskin);
3109                 // Assign netaddress (IP Address, etc)
3110                 if(prog->fieldoffsets.netaddress >= 0)
3111                 { // Valid Field; Process
3112                         if(svs.clients[num].netconnection != NULL)
3113                         {// Valid Address; Assign
3114                                 // Acquire Readable Address
3115                                 LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3116                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString(svs.clients[num].netaddress);
3117                         }
3118                         else
3119                                 // Invalid / Bot
3120                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString("null/botclient");
3121                 }
3122         }
3123 }
3124
3125 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3126 {
3127         int i;
3128         int e;
3129
3130         World_UnlinkEdict(ed);          // unlink from world bsp
3131
3132         ed->fields.server->model = 0;
3133         ed->fields.server->takedamage = 0;
3134         ed->fields.server->modelindex = 0;
3135         ed->fields.server->colormap = 0;
3136         ed->fields.server->skin = 0;
3137         ed->fields.server->frame = 0;
3138         VectorClear(ed->fields.server->origin);
3139         VectorClear(ed->fields.server->angles);
3140         ed->fields.server->nextthink = -1;
3141         ed->fields.server->solid = 0;
3142
3143         // make sure csqc networking is aware of the removed entity
3144         e = PRVM_NUM_FOR_EDICT(ed);
3145         sv.csqcentityversion[e] = 0;
3146         for (i = 0;i < svs.maxclients;i++)
3147         {
3148                 if (svs.clients[i].csqcentityscope[e])
3149                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3150                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3151         }
3152 }
3153
3154 static void SV_VM_CB_CountEdicts(void)
3155 {
3156         int             i;
3157         prvm_edict_t    *ent;
3158         int             active, models, solid, step;
3159
3160         active = models = solid = step = 0;
3161         for (i=0 ; i<prog->num_edicts ; i++)
3162         {
3163                 ent = PRVM_EDICT_NUM(i);
3164                 if (ent->priv.server->free)
3165                         continue;
3166                 active++;
3167                 if (ent->fields.server->solid)
3168                         solid++;
3169                 if (ent->fields.server->model)
3170                         models++;
3171                 if (ent->fields.server->movetype == MOVETYPE_STEP)
3172                         step++;
3173         }
3174
3175         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3176         Con_Printf("active    :%3i\n", active);
3177         Con_Printf("view      :%3i\n", models);
3178         Con_Printf("touch     :%3i\n", solid);
3179         Con_Printf("step      :%3i\n", step);
3180 }
3181
3182 static qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
3183 {
3184         // remove things from different skill levels or deathmatch
3185         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3186         {
3187                 if (deathmatch.integer)
3188                 {
3189                         if (((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
3190                         {
3191                                 return false;
3192                         }
3193                 }
3194                 else if ((current_skill <= 0 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_EASY  ))
3195                         || (current_skill == 1 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_MEDIUM))
3196                         || (current_skill >= 2 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_HARD  )))
3197                 {
3198                         return false;
3199                 }
3200         }
3201         return true;
3202 }
3203
3204 static void SV_VM_Setup(void)
3205 {
3206         PRVM_Begin;
3207         PRVM_InitProg( PRVM_SERVERPROG );
3208
3209         // allocate the mempools
3210         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3211         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3212         prog->builtins = vm_sv_builtins;
3213         prog->numbuiltins = vm_sv_numbuiltins;
3214         prog->headercrc = PROGHEADER_CRC;
3215         prog->headercrc2 = PROGHEADER_CRC_TENEBRAE;
3216         prog->max_edicts = 512;
3217         if (sv.protocol == PROTOCOL_QUAKE)
3218                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3219         else if (sv.protocol == PROTOCOL_QUAKEDP)
3220                 prog->limit_edicts = 2048; // guessing
3221         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3222                 prog->limit_edicts = 2048; // guessing!
3223         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3224                 prog->limit_edicts = 4096; // guessing!
3225         else
3226                 prog->limit_edicts = MAX_EDICTS;
3227         prog->reserved_edicts = svs.maxclients;
3228         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3229         prog->name = "server";
3230         prog->extensionstring = vm_sv_extensions;
3231         prog->loadintoworld = true;
3232
3233         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
3234         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
3235         prog->init_edict = SV_VM_CB_InitEdict;
3236         prog->free_edict = SV_VM_CB_FreeEdict;
3237         prog->count_edicts = SV_VM_CB_CountEdicts;
3238         prog->load_edict = SV_VM_CB_LoadEdict;
3239         prog->init_cmd = VM_SV_Cmd_Init;
3240         prog->reset_cmd = VM_SV_Cmd_Reset;
3241         prog->error_cmd = Host_Error;
3242
3243         // TODO: add a requiredfuncs list (ask LH if this is necessary at all)
3244         PRVM_LoadProgs( sv_progs.string, 0, NULL, REQFIELDS, reqfields, 0, NULL );
3245
3246         // some mods compiled with scrambling compilers lack certain critical
3247         // global names and field names such as "self" and "time" and "nextthink"
3248         // so we have to set these offsets manually, matching the entvars_t
3249         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3250         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3251         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3252         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3253         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3254         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3255         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3256         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3257         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3258         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3259         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3260         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3261         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3262         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3263         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3264         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3265         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3266         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3267         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3268         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3269         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3270         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3271         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3272         // OP_STATE is always supported on server (due to entvars_t)
3273         prog->flag |= PRVM_OP_STATE;
3274
3275         VM_CustomStats_Clear();//[515]: csqc
3276
3277         PRVM_End;
3278
3279         SV_Prepare_CSQC();
3280 }
3281
3282 void SV_VM_Begin(void)
3283 {
3284         PRVM_Begin;
3285         PRVM_SetProg( PRVM_SERVERPROG );
3286
3287         prog->globals.server->time = (float) sv.time;
3288 }
3289
3290 void SV_VM_End(void)
3291 {
3292         PRVM_End;
3293 }