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