sv_main.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // sv_main.c -- server main program
  21
  22 #include "quakedef.h"
  23 #include "sv_demo.h"
  24 #include "libcurl.h"
  25 #include "csprogs.h"
  26
  27 static void SV_SaveEntFile_f(void);
  28 static void SV_StartDownload_f(void);
  29 static void SV_Download_f(void);
  30 static void SV_VM_Setup(void);
  31 extern cvar_t net_connecttimeout;
  32
  33 void VM_CustomStats_Clear (void);
  34 void VM_SV_UpdateCustomStats (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats);
  35
  36 cvar_t coop = {0, "coop","0", "coop mode, 0 = no coop, 1 = coop mode, multiple players playing through the singleplayer game (coop mode also shuts off deathmatch)"};
  37 cvar_t deathmatch = {0, "deathmatch","0", "deathmatch mode, values depend on mod but typically 0 = no deathmatch, 1 = normal deathmatch with respawning weapons, 2 = weapons stay (players can only pick up new weapons)"};
  38 cvar_t fraglimit = {CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
  39 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
  40 cvar_t noexit = {CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
  41 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
  42 cvar_t pausable = {0, "pausable","1", "allow players to pause or not"};
  43 cvar_t pr_checkextension = {CVAR_READONLY, "pr_checkextension", "1", "indicates to QuakeC that the standard quakec extensions system is available (if 0, quakec should not attempt to use extensions)"};
  44 cvar_t samelevel = {CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
  45 cvar_t skill = {0, "skill","1", "difficulty level of game, affects monster layouts in levels, 0 = easy, 1 = normal, 2 = hard, 3 = nightmare (same layout as hard but monsters fire twice)"};
  46 cvar_t slowmo = {0, "slowmo", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
  47
  48 cvar_t sv_accelerate = {0, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
  49 cvar_t sv_aim = {CVAR_SAVE, "sv_aim", "2", "maximum cosine angle for quake's vertical autoaim, a value above 1 completely disables the autoaim, quake used 0.93"};
  50 cvar_t sv_airaccel_qw = {0, "sv_airaccel_qw", "1", "ratio of QW-style air control as opposed to simple acceleration"};
  51 cvar_t sv_airaccel_sideways_friction = {0, "sv_airaccel_sideways_friction", "", "anti-sideways movement stabilization (reduces speed gain when zigzagging)"};
  52 cvar_t sv_airaccelerate = {0, "sv_airaccelerate", "-1", "rate at which a player accelerates to sv_maxairspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
  53 cvar_t sv_airstopaccelerate = {0, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
  54 cvar_t sv_airstrafeaccelerate = {0, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
  55 cvar_t sv_maxairstrafespeed = {0, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
  56 cvar_t sv_aircontrol = {0, "sv_aircontrol", "0", "CPMA-style air control"};
  57 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
  58 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
  59 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
  60 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
  61 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
  62 cvar_t sv_areagrid_mingridsize = {CVAR_NOTIFY, "sv_areagrid_mingridsize", "64", "minimum areagrid cell size, smaller values work better for lots of small objects, higher values for large objects"};
  63 cvar_t sv_checkforpacketsduringsleep = {0, "sv_checkforpacketsduringsleep", "0", "uses select() function to wait between frames which can be interrupted by packets being received, instead of Sleep()/usleep()/SDL_Sleep() functions which do not check for packets"};
  64 cvar_t sv_clmovement_enable = {0, "sv_clmovement_enable", "1", "whether to allow clients to use cl_movement prediction, which can cause choppy movement on the server which may annoy other players"};
  65 cvar_t sv_clmovement_minping = {0, "sv_clmovement_minping", "0", "if client ping is below this time in milliseconds, then their ability to use cl_movement prediction is disabled for a while (as they don't need it)"};
  66 cvar_t sv_clmovement_minping_disabletime = {0, "sv_clmovement_minping_disabletime", "1000", "when client falls below minping, disable their prediction for this many milliseconds (should be at least 1000 or else their prediction may turn on/off frequently)"};
  67 cvar_t sv_clmovement_inputtimeout = {0, "sv_clmovement_inputtimeout", "0.2", "when a client does not send input for this many seconds, force them to move anyway (unlike QuakeWorld)"};
  68 cvar_t sv_cullentities_nevercullbmodels = {0, "sv_cullentities_nevercullbmodels", "0", "if enabled the clients are always notified of moving doors and lifts and other submodels of world (warning: eats a lot of network bandwidth on some levels!)"};
  69 cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
  70 cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  71 cvar_t sv_cullentities_trace = {0, "sv_cullentities_trace", "0", "somewhat slow but very tight culling of hidden entities, minimizes network traffic and makes wallhack cheats useless"};
  72 cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  73 cvar_t sv_cullentities_trace_delay_players = {0, "sv_cullentities_trace_delay_players", "0.2", "number of seconds until the entity gets actually culled if it is a player entity"};
  74 cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  75 cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
  76 cvar_t sv_cullentities_trace_prediction_time = {0, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
  77 cvar_t sv_cullentities_trace_entityocclusion = {0, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
  78 cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "1", "number of samples to test for entity culling"};
  79 cvar_t sv_cullentities_trace_samples_extra = {0, "sv_cullentities_trace_samples_extra", "2", "number of samples to test for entity culling when the entity affects its surroundings by e.g. dlight"};
  80 cvar_t sv_cullentities_trace_samples_players = {0, "sv_cullentities_trace_samples_players", "8", "number of samples to test for entity culling when the entity is a player entity"};
  81 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
  82 cvar_t sv_echobprint = {CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
  83 cvar_t sv_edgefriction = {0, "edgefriction", "1", "how much you slow down when nearing a ledge you might fall off, multiplier of sv_friction (Quake used 2, QuakeWorld used 1 due to a bug in physics code)"};
  84 cvar_t sv_entpatch = {0, "sv_entpatch", "1", "enables loading of .ent files to override entities in the bsp (for example Threewave CTF server pack contains .ent patch files enabling play of CTF on id1 maps)"};
  85 cvar_t sv_fixedframeratesingleplayer = {0, "sv_fixedframeratesingleplayer", "1", "allows you to use server-style timing system in singleplayer (don't run faster than sys_ticrate)"};
  86 cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
  87 cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
  88 cvar_t sv_gameplayfix_blowupfallenzombies = {0, "sv_gameplayfix_blowupfallenzombies", "1", "causes findradius to detect SOLID_NOT entities such as zombies and corpses on the floor, allowing splash damage to apply to them"};
  89 cvar_t sv_gameplayfix_consistentplayerprethink = {0, "sv_gameplayfix_consistentplayerprethink", "1", "improves fairness in multiplayer by running all PlayerPreThink functions (which fire weapons) before performing physics, then runing all PlayerPostThink functions"};
  90 cvar_t sv_gameplayfix_delayprojectiles = {0, "sv_gameplayfix_delayprojectiles", "1", "causes entities to not move on the same frame they are spawned, meaning that projectiles wait until the next frame to perform their first move, giving proper interpolation and rocket trails, but making weapons harder to use at low framerates"};
  91 cvar_t sv_gameplayfix_droptofloorstartsolid = {0, "sv_gameplayfix_droptofloorstartsolid", "1", "prevents items and monsters that start in a solid area from falling out of the level (makes droptofloor treat trace_startsolid as an acceptable outcome)"};
  92 cvar_t sv_gameplayfix_droptofloorstartsolid_nudgetocorrect = {0, "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect", "1", "tries to nudge stuck items and monsters out of walls before droptofloor is performed"};
  93 cvar_t sv_gameplayfix_easierwaterjump = {0, "sv_gameplayfix_easierwaterjump", "1", "changes water jumping to make it easier to get out of water (exactly like in QuakeWorld)"};
  94 cvar_t sv_gameplayfix_findradiusdistancetobox = {0, "sv_gameplayfix_findradiusdistancetobox", "1", "causes findradius to check the distance to the corner of a box rather than the center of the box, makes findradius detect bmodels such as very large doors that would otherwise be unaffected by splash damage"};
  95 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
  96 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"};
  97 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"};
  98 cvar_t sv_gameplayfix_noairborncorpse = {0, "sv_gameplayfix_noairborncorpse", "1", "causes entities (corpses, items, etc) sitting ontop of moving entities (players) to fall when the moving entity (player) is no longer supporting them"};
  99 cvar_t sv_gameplayfix_noairborncorpse_allowsuspendeditems = {0, "sv_gameplayfix_noairborncorpse_allowsuspendeditems", "1", "causes entities sitting ontop of objects that are instantaneously remove to float in midair (special hack to allow a common level design trick for floating items)"};
 100 cvar_t sv_gameplayfix_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"};
 101 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)"};
 102 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)"};
 103 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"};
 104 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"};
 105 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
 106 cvar_t sv_gameplayfix_q2airaccelerate = {0, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
 107 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 108 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 109 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
 110 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 111 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)"};
 112 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 113 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 114 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 115 cvar_t sv_newflymove = {CVAR_NOTIFY, "sv_newflymove", "0", "enables simpler/buggier player physics (not recommended)"};
 116 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 117 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 118 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 119 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 120 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"};
 121 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)"};
 122 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)"};
 123 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)"};
 124 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 125 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 126 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 127 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"};
 128 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"};
 129 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 130 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)"};
 131 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 132 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)"};
 133 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"};
 134 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
 135 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"};
 136 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"};
 137 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 138
 139 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 140 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 141 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 142 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 143 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 144 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 145 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 146 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 147 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 148 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)"};
 149
 150 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 151 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 152 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 153 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 154 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 155 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 156 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 157 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 158 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 159 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 160 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 161 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 162 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 163 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 164 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 165 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 166 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 167 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 168 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 169 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 170 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 171
 172 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)"};
 173 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)" };
 174
 175 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 176
 177 server_t sv;
 178 server_static_t svs;
 179
 180 mempool_t *sv_mempool = NULL;
 181
 182 extern cvar_t slowmo;
 183 extern float            scr_centertime_off;
 184
 185 // MUST match effectnameindex_t in client.h
 186 static const char *standardeffectnames[EFFECT_TOTAL] =
 187 {
 188         "",
 189         "TE_GUNSHOT",
 190         "TE_GUNSHOTQUAD",
 191         "TE_SPIKE",
 192         "TE_SPIKEQUAD",
 193         "TE_SUPERSPIKE",
 194         "TE_SUPERSPIKEQUAD",
 195         "TE_WIZSPIKE",
 196         "TE_KNIGHTSPIKE",
 197         "TE_EXPLOSION",
 198         "TE_EXPLOSIONQUAD",
 199         "TE_TAREXPLOSION",
 200         "TE_TELEPORT",
 201         "TE_LAVASPLASH",
 202         "TE_SMALLFLASH",
 203         "TE_FLAMEJET",
 204         "EF_FLAME",
 205         "TE_BLOOD",
 206         "TE_SPARK",
 207         "TE_PLASMABURN",
 208         "TE_TEI_G3",
 209         "TE_TEI_SMOKE",
 210         "TE_TEI_BIGEXPLOSION",
 211         "TE_TEI_PLASMAHIT",
 212         "EF_STARDUST",
 213         "TR_ROCKET",
 214         "TR_GRENADE",
 215         "TR_BLOOD",
 216         "TR_WIZSPIKE",
 217         "TR_SLIGHTBLOOD",
 218         "TR_KNIGHTSPIKE",
 219         "TR_VORESPIKE",
 220         "TR_NEHAHRASMOKE",
 221         "TR_NEXUIZPLASMA",
 222         "TR_GLOWTRAIL",
 223         "SVC_PARTICLE"
 224 };
 225
 226 #define REQFIELDS (sizeof(reqfields) / sizeof(prvm_required_field_t))
 227
 228 prvm_required_field_t reqfields[] =
 229 {
 230         {ev_entity, "cursor_trace_ent"},
 231         {ev_entity, "drawonlytoclient"},
 232         {ev_entity, "exteriormodeltoclient"},
 233         {ev_entity, "nodrawtoclient"},
 234         {ev_entity, "tag_entity"},
 235         {ev_entity, "viewmodelforclient"},
 236         {ev_float, "SendFlags"},
 237         {ev_float, "Version"},
 238         {ev_float, "alpha"},
 239         {ev_float, "ammo_cells1"},
 240         {ev_float, "ammo_lava_nails"},
 241         {ev_float, "ammo_multi_rockets"},
 242         {ev_float, "ammo_nails1"},
 243         {ev_float, "ammo_plasma"},
 244         {ev_float, "ammo_rockets1"},
 245         {ev_float, "ammo_shells1"},
 246         {ev_float, "button3"},
 247         {ev_float, "button4"},
 248         {ev_float, "button5"},
 249         {ev_float, "button6"},
 250         {ev_float, "button7"},
 251         {ev_float, "button8"},
 252         {ev_float, "button9"},
 253         {ev_float, "button10"},
 254         {ev_float, "button11"},
 255         {ev_float, "button12"},
 256         {ev_float, "button13"},
 257         {ev_float, "button14"},
 258         {ev_float, "button15"},
 259         {ev_float, "button16"},
 260         {ev_float, "buttonchat"},
 261         {ev_float, "buttonuse"},
 262         {ev_float, "clientcolors"},
 263         {ev_float, "cursor_active"},
 264         {ev_float, "disableclientprediction"},
 265         {ev_float, "fullbright"},
 266         {ev_float, "glow_color"},
 267         {ev_float, "glow_size"},
 268         {ev_float, "glow_trail"},
 269         {ev_float, "gravity"},
 270         {ev_float, "idealpitch"},
 271         {ev_float, "items2"},
 272         {ev_float, "light_lev"},
 273         {ev_float, "modelflags"},
 274         {ev_float, "pflags"},
 275         {ev_float, "ping"},
 276         {ev_float, "pitch_speed"},
 277         {ev_float, "pmodel"},
 278         {ev_float, "renderamt"}, // HalfLife support
 279         {ev_float, "rendermode"}, // HalfLife support
 280         {ev_float, "scale"},
 281         {ev_float, "style"},
 282         {ev_float, "tag_index"},
 283         {ev_float, "viewzoom"},
 284         {ev_function, "SendEntity"},
 285         {ev_function, "contentstransition"}, // DRESK - Support for Entity Contents Transition Event
 286         {ev_function, "customizeentityforclient"},
 287         {ev_function, "movetypesteplandevent"}, // DRESK - Support for MOVETYPE_STEP Entity Land Event
 288         {ev_string, "netaddress"},
 289         {ev_string, "playermodel"},
 290         {ev_string, "playerskin"},
 291         {ev_vector, "color"},
 292         {ev_vector, "colormod"},
 293         {ev_vector, "cursor_screen"},
 294         {ev_vector, "cursor_trace_endpos"},
 295         {ev_vector, "cursor_trace_start"},
 296         {ev_vector, "glowmod"},
 297         {ev_vector, "movement"},
 298         {ev_vector, "punchvector"},
 299
 300         // physics
 301         //{ev_float, "solid"},
 302         //{ev_float, "movetype"},
 303         //{ev_float, "modelindex"},
 304         {ev_vector, "mass"},
 305         //{ev_vector, "origin"},
 306         //{ev_vector, "angles"},
 307         {ev_vector, "axis_forward"},
 308         {ev_vector, "axis_left"},
 309         {ev_vector, "axis_up"},
 310         //{ev_vector, "angles"},
 311         //{ev_vector, "velocity"},
 312         //{ev_vector, "avelocity"},
 313         {ev_vector, "spinvelocity"},
 314
 315 };
 316
 317
 318
 319 //============================================================================
 320
 321 void SV_AreaStats_f(void)
 322 {
 323         World_PrintAreaStats(&sv.world, "server");
 324 }
 325
 326 /*
 327 ===============
 328 SV_Init
 329 ===============
 330 */
 331 void SV_Init (void)
 332 {
 333         // init the csqc progs cvars, since they are updated/used by the server code
 334         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 335         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 336         extern cvar_t csqc_progcrc;
 337         extern cvar_t csqc_progsize;
 338         Cvar_RegisterVariable (&csqc_progname);
 339         Cvar_RegisterVariable (&csqc_progcrc);
 340         Cvar_RegisterVariable (&csqc_progsize);
 341
 342         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 343         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 344         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 345         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
 346
 347         Cvar_RegisterVariable (&coop);
 348         Cvar_RegisterVariable (&deathmatch);
 349         Cvar_RegisterVariable (&fraglimit);
 350         Cvar_RegisterVariable (&gamecfg);
 351         Cvar_RegisterVariable (&noexit);
 352         Cvar_RegisterVariable (&nomonsters);
 353         Cvar_RegisterVariable (&pausable);
 354         Cvar_RegisterVariable (&pr_checkextension);
 355         Cvar_RegisterVariable (&samelevel);
 356         Cvar_RegisterVariable (&skill);
 357         Cvar_RegisterVariable (&slowmo);
 358         Cvar_RegisterVariable (&sv_accelerate);
 359         Cvar_RegisterVariable (&sv_aim);
 360         Cvar_RegisterVariable (&sv_airaccel_qw);
 361         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 362         Cvar_RegisterVariable (&sv_airaccelerate);
 363         Cvar_RegisterVariable (&sv_airstopaccelerate);
 364         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 365         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 366         Cvar_RegisterVariable (&sv_aircontrol);
 367         Cvar_RegisterVariable (&sv_allowdownloads);
 368         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 369         Cvar_RegisterVariable (&sv_allowdownloads_config);
 370         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 371         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 372         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 373         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 374         Cvar_RegisterVariable (&sv_clmovement_enable);
 375         Cvar_RegisterVariable (&sv_clmovement_minping);
 376         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 377         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 378         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 379         Cvar_RegisterVariable (&sv_cullentities_pvs);
 380         Cvar_RegisterVariable (&sv_cullentities_stats);
 381         Cvar_RegisterVariable (&sv_cullentities_trace);
 382         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 383         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 384         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 385         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 386         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 387         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 388         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 389         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 390         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 391         Cvar_RegisterVariable (&sv_debugmove);
 392         Cvar_RegisterVariable (&sv_echobprint);
 393         Cvar_RegisterVariable (&sv_edgefriction);
 394         Cvar_RegisterVariable (&sv_entpatch);
 395         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 396         Cvar_RegisterVariable (&sv_freezenonclients);
 397         Cvar_RegisterVariable (&sv_friction);
 398         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 399         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
 400         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 401         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 402         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 403         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 404         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 405         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 406         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 407         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 408         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 409         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 410         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 411         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 412         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
 413         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 414         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 415         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 416         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 417         Cvar_RegisterVariable (&sv_gravity);
 418         Cvar_RegisterVariable (&sv_idealpitchscale);
 419         Cvar_RegisterVariable (&sv_jumpstep);
 420         Cvar_RegisterVariable (&sv_jumpvelocity);
 421         Cvar_RegisterVariable (&sv_maxairspeed);
 422         Cvar_RegisterVariable (&sv_maxrate);
 423         Cvar_RegisterVariable (&sv_maxspeed);
 424         Cvar_RegisterVariable (&sv_maxvelocity);
 425         Cvar_RegisterVariable (&sv_newflymove);
 426         Cvar_RegisterVariable (&sv_nostep);
 427         Cvar_RegisterVariable (&sv_playerphysicsqc);
 428         Cvar_RegisterVariable (&sv_progs);
 429         Cvar_RegisterVariable (&sv_protocolname);
 430         Cvar_RegisterVariable (&sv_random_seed);
 431         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
 432         Cvar_RegisterVariable (&sv_sound_land);
 433         Cvar_RegisterVariable (&sv_sound_watersplash);
 434         Cvar_RegisterVariable (&sv_stepheight);
 435         Cvar_RegisterVariable (&sv_stopspeed);
 436         Cvar_RegisterVariable (&sv_wallfriction);
 437         Cvar_RegisterVariable (&sv_wateraccelerate);
 438         Cvar_RegisterVariable (&sv_waterfriction);
 439         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 440         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 441         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 442         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 443         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 444         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 445         Cvar_RegisterVariable (&sys_ticrate);
 446         Cvar_RegisterVariable (&teamplay);
 447         Cvar_RegisterVariable (&timelimit);
 448
 449         Cvar_RegisterVariable (&saved1);
 450         Cvar_RegisterVariable (&saved2);
 451         Cvar_RegisterVariable (&saved3);
 452         Cvar_RegisterVariable (&saved4);
 453         Cvar_RegisterVariable (&savedgamecfg);
 454         Cvar_RegisterVariable (&scratch1);
 455         Cvar_RegisterVariable (&scratch2);
 456         Cvar_RegisterVariable (&scratch3);
 457         Cvar_RegisterVariable (&scratch4);
 458         Cvar_RegisterVariable (&temp1);
 459
 460         // LordHavoc: Nehahra uses these to pass data around cutscene demos
 461         if (gamemode == GAME_NEHAHRA)
 462         {
 463                 Cvar_RegisterVariable (&nehx00);
 464                 Cvar_RegisterVariable (&nehx01);
 465                 Cvar_RegisterVariable (&nehx02);
 466                 Cvar_RegisterVariable (&nehx03);
 467                 Cvar_RegisterVariable (&nehx04);
 468                 Cvar_RegisterVariable (&nehx05);
 469                 Cvar_RegisterVariable (&nehx06);
 470                 Cvar_RegisterVariable (&nehx07);
 471                 Cvar_RegisterVariable (&nehx08);
 472                 Cvar_RegisterVariable (&nehx09);
 473                 Cvar_RegisterVariable (&nehx10);
 474                 Cvar_RegisterVariable (&nehx11);
 475                 Cvar_RegisterVariable (&nehx12);
 476                 Cvar_RegisterVariable (&nehx13);
 477                 Cvar_RegisterVariable (&nehx14);
 478                 Cvar_RegisterVariable (&nehx15);
 479                 Cvar_RegisterVariable (&nehx16);
 480                 Cvar_RegisterVariable (&nehx17);
 481                 Cvar_RegisterVariable (&nehx18);
 482                 Cvar_RegisterVariable (&nehx19);
 483         }
 484         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 485
 486         Cvar_RegisterVariable (&sv_autodemo_perclient);
 487         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 488
 489         Cvar_RegisterVariable (&halflifebsp);
 490
 491         // any special defaults for gamemodes go here
 492         if (gamemode == GAME_NEHAHRA)
 493         {
 494                 // Nehahra pushable crates malfunction in some levels if this is on
 495                 Cvar_SetValueQuick (&sv_gameplayfix_upwardvelocityclearsongroundflag, 0);
 496                 // Nehahra NPC AI is confused by this feature
 497                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
 498         }
 499         if (gamemode == GAME_HIPNOTIC)
 500         {
 501                 // 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.
 502                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
 503                 // 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
 504                 Cvar_SetValueQuick (&sys_ticrate, 0.02);
 505                 // hipnotic mission pack has issues in their proximity mine sticking code, which causes them to bounce off.
 506                 Cvar_SetValueQuick (&sv_gameplayfix_slidemoveprojectiles, 0);
 507         }
 508         if (gamemode == GAME_ROGUE)
 509         {
 510                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
 511                 Cvar_SetValueQuick (&sv_gameplayfix_findradiusdistancetobox, 0);
 512         }
 513         if (gamemode == GAME_NEXUIZ)
 514         {
 515                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
 516                 Cvar_SetValueQuick (&sv_gameplayfix_q2airaccelerate, 1);
 517         }
 518
 519         sv_mempool = Mem_AllocPool("server", 0, NULL);
 520 }
 521
 522 static void SV_SaveEntFile_f(void)
 523 {
 524         char basename[MAX_QPATH];
 525         if (!sv.active || !sv.worldmodel)
 526         {
 527                 Con_Print("Not running a server\n");
 528                 return;
 529         }
 530         FS_StripExtension(sv.worldmodel->name, basename, sizeof(basename));
 531         FS_WriteFile(va("%s.ent", basename), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 532 }
 533
 534
 535 /*
 536 =============================================================================
 537
 538 EVENT MESSAGES
 539
 540 =============================================================================
 541 */
 542
 543 /*
 544 ==================
 545 SV_StartParticle
 546
 547 Make sure the event gets sent to all clients
 548 ==================
 549 */
 550 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 551 {
 552         int i;
 553
 554         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 555                 return;
 556         MSG_WriteByte (&sv.datagram, svc_particle);
 557         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 558         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 559         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 560         for (i=0 ; i<3 ; i++)
 561                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 562         MSG_WriteByte (&sv.datagram, count);
 563         MSG_WriteByte (&sv.datagram, color);
 564         SV_FlushBroadcastMessages();
 565 }
 566
 567 /*
 568 ==================
 569 SV_StartEffect
 570
 571 Make sure the event gets sent to all clients
 572 ==================
 573 */
 574 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 575 {
 576         if (modelindex >= 256 || startframe >= 256)
 577         {
 578                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 579                         return;
 580                 MSG_WriteByte (&sv.datagram, svc_effect2);
 581                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 582                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 583                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 584                 MSG_WriteShort (&sv.datagram, modelindex);
 585                 MSG_WriteShort (&sv.datagram, startframe);
 586                 MSG_WriteByte (&sv.datagram, framecount);
 587                 MSG_WriteByte (&sv.datagram, framerate);
 588         }
 589         else
 590         {
 591                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 592                         return;
 593                 MSG_WriteByte (&sv.datagram, svc_effect);
 594                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 595                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 596                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 597                 MSG_WriteByte (&sv.datagram, modelindex);
 598                 MSG_WriteByte (&sv.datagram, startframe);
 599                 MSG_WriteByte (&sv.datagram, framecount);
 600                 MSG_WriteByte (&sv.datagram, framerate);
 601         }
 602         SV_FlushBroadcastMessages();
 603 }
 604
 605 /*
 606 ==================
 607 SV_StartSound
 608
 609 Each entity can have eight independant sound sources, like voice,
 610 weapon, feet, etc.
 611
 612 Channel 0 is an auto-allocate channel, the others override anything
 613 already running on that entity/channel pair.
 614
 615 An attenuation of 0 will play full volume everywhere in the level.
 616 Larger attenuations will drop off.  (max 4 attenuation)
 617
 618 ==================
 619 */
 620 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
 621 {
 622         int sound_num, field_mask, i, ent;
 623
 624         if (volume < 0 || volume > 255)
 625         {
 626                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
 627                 return;
 628         }
 629
 630         if (attenuation < 0 || attenuation > 4)
 631         {
 632                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 633                 return;
 634         }
 635
 636         if (channel < 0 || channel > 7)
 637         {
 638                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 639                 return;
 640         }
 641
 642         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 643                 return;
 644
 645 // find precache number for sound
 646         sound_num = SV_SoundIndex(sample, 1);
 647         if (!sound_num)
 648                 return;
 649
 650         ent = PRVM_NUM_FOR_EDICT(entity);
 651
 652         field_mask = 0;
 653         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 654                 field_mask |= SND_VOLUME;
 655         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 656                 field_mask |= SND_ATTENUATION;
 657         if (ent >= 8192)
 658                 field_mask |= SND_LARGEENTITY;
 659         if (sound_num >= 256 || channel >= 8)
 660                 field_mask |= SND_LARGESOUND;
 661
 662 // directed messages go only to the entity they are targeted on
 663         MSG_WriteByte (&sv.datagram, svc_sound);
 664         MSG_WriteByte (&sv.datagram, field_mask);
 665         if (field_mask & SND_VOLUME)
 666                 MSG_WriteByte (&sv.datagram, volume);
 667         if (field_mask & SND_ATTENUATION)
 668                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 669         if (field_mask & SND_LARGEENTITY)
 670         {
 671                 MSG_WriteShort (&sv.datagram, ent);
 672                 MSG_WriteByte (&sv.datagram, channel);
 673         }
 674         else
 675                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
 676         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 677                 MSG_WriteShort (&sv.datagram, sound_num);
 678         else
 679                 MSG_WriteByte (&sv.datagram, sound_num);
 680         for (i = 0;i < 3;i++)
 681                 MSG_WriteCoord (&sv.datagram, entity->fields.server->origin[i]+0.5*(entity->fields.server->mins[i]+entity->fields.server->maxs[i]), sv.protocol);
 682         SV_FlushBroadcastMessages();
 683 }
 684
 685 /*
 686 ==================
 687 SV_StartPointSound
 688
 689 Nearly the same logic as SV_StartSound, except an origin
 690 instead of an entity is provided and channel is omitted.
 691
 692 The entity sent to the client is 0 (world) and the channel
 693 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 694 function, therefore the check for it is omitted.
 695
 696 ==================
 697 */
 698 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation)
 699 {
 700         int sound_num, field_mask, i;
 701
 702         if (volume < 0 || volume > 255)
 703         {
 704                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
 705                 return;
 706         }
 707
 708         if (attenuation < 0 || attenuation > 4)
 709         {
 710                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 711                 return;
 712         }
 713
 714         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 715                 return;
 716
 717         // find precache number for sound
 718         sound_num = SV_SoundIndex(sample, 1);
 719         if (!sound_num)
 720                 return;
 721
 722         field_mask = 0;
 723         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 724                 field_mask |= SND_VOLUME;
 725         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 726                 field_mask |= SND_ATTENUATION;
 727         if (sound_num >= 256)
 728                 field_mask |= SND_LARGESOUND;
 729
 730 // directed messages go only to the entity they are targeted on
 731         MSG_WriteByte (&sv.datagram, svc_sound);
 732         MSG_WriteByte (&sv.datagram, field_mask);
 733         if (field_mask & SND_VOLUME)
 734                 MSG_WriteByte (&sv.datagram, volume);
 735         if (field_mask & SND_ATTENUATION)
 736                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 737         // Always write entnum 0 for the world entity
 738         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 739         if (field_mask & SND_LARGESOUND)
 740                 MSG_WriteShort (&sv.datagram, sound_num);
 741         else
 742                 MSG_WriteByte (&sv.datagram, sound_num);
 743         for (i = 0;i < 3;i++)
 744                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 745         SV_FlushBroadcastMessages();
 746 }
 747
 748 /*
 749 ==============================================================================
 750
 751 CLIENT SPAWNING
 752
 753 ==============================================================================
 754 */
 755
 756 /*
 757 ================
 758 SV_SendServerinfo
 759
 760 Sends the first message from the server to a connected client.
 761 This will be sent on the initial connection and upon each server load.
 762 ================
 763 */
 764 void SV_SendServerinfo (client_t *client)
 765 {
 766         int i;
 767         char message[128];
 768
 769         // we know that this client has a netconnection and thus is not a bot
 770
 771         // edicts get reallocated on level changes, so we need to update it here
 772         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 773
 774         // clear cached stuff that depends on the level
 775         client->weaponmodel[0] = 0;
 776         client->weaponmodelindex = 0;
 777
 778         // LordHavoc: clear entityframe tracking
 779         client->latestframenum = 0;
 780
 781         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 782         client->cmd.time = sv.time;
 783
 784         if (client->entitydatabase)
 785                 EntityFrame_FreeDatabase(client->entitydatabase);
 786         if (client->entitydatabase4)
 787                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 788         if (client->entitydatabase5)
 789                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 790
 791         memset(client->stats, 0, sizeof(client->stats));
 792         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 793
 794         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)
 795         {
 796                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 797                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 798                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 799                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 800                 else
 801                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 802         }
 803
 804         // reset csqc entity versions
 805         for (i = 0;i < prog->max_edicts;i++)
 806         {
 807                 client->csqcentityscope[i] = 0;
 808                 client->csqcentitysendflags[i] = 0xFFFFFF;
 809                 client->csqcentityglobalhistory[i] = 0;
 810         }
 811         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 812         {
 813                 client->csqcentityframehistory[i].num = 0;
 814                 client->csqcentityframehistory[i].framenum = -1;
 815         }
 816         client->csqcnumedicts = 0;
 817         client->csqcentityframehistory_next = 0;
 818
 819         SZ_Clear (&client->netconnection->message);
 820         MSG_WriteByte (&client->netconnection->message, svc_print);
 821         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)", gamename, buildstring, prog->filecrc);
 822         MSG_WriteString (&client->netconnection->message,message);
 823
 824         SV_StopDemoRecording(client); // to split up demos into different files
 825         if(sv_autodemo_perclient.integer && client->netconnection)
 826         {
 827                 char demofile[MAX_OSPATH];
 828                 char levelname[MAX_QPATH];
 829                 char ipaddress[MAX_QPATH];
 830                 size_t i;
 831
 832                 // start a new demo file
 833                 strlcpy(levelname, FS_FileWithoutPath(sv.worldmodel->name), sizeof(levelname));
 834                 if (strrchr(levelname, '.'))
 835                         *(strrchr(levelname, '.')) = 0;
 836
 837                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 838                 for(i = 0; ipaddress[i]; ++i)
 839                         if(!isalnum(ipaddress[i]))
 840                                 ipaddress[i] = '-';
 841                 dpsnprintf (demofile, sizeof(demofile), "%s_%s_%d_%s.dem", Sys_TimeString (sv_autodemo_perclient_nameformat.string), levelname, PRVM_NUM_FOR_EDICT(client->edict), ipaddress);
 842
 843                 SV_StartDemoRecording(client, demofile, -1);
 844         }
 845
 846         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 847         if (sv.csqc_progname[0])
 848         {
 849                 prvm_eval_t *val;
 850                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 851                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 852                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
 853                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 854                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
 855                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 856                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
 857
 858                 if(client->sv_demo_file != NULL)
 859                 {
 860                         int i;
 861                         char buf[NET_MAXMESSAGE];
 862                         sizebuf_t sb;
 863
 864                         sb.data = (unsigned char *) buf;
 865                         sb.maxsize = sizeof(buf);
 866                         i = 0;
 867                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
 868                                 SV_WriteDemoMessage(client, &sb, false);
 869                 }
 870
 871                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 872                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.SV_InitCmd);
 873                 if (val)
 874                 {
 875                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 876                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(val->string)));
 877                 }
 878         }
 879
 880         //if (sv_allowdownloads.integer)
 881         // always send the info that the server supports the protocol, even if downloads are forbidden
 882         // only because of that, the CSQC exception can work
 883         {
 884                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 885                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
 886         }
 887
 888         // send at this time so it's guaranteed to get executed at the right time
 889         {
 890                 client_t *save;
 891                 save = host_client;
 892                 host_client = client;
 893                 Curl_SendRequirements();
 894                 host_client = save;
 895         }
 896
 897         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
 898         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
 899         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
 900
 901         if (!coop.integer && deathmatch.integer)
 902                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
 903         else
 904                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
 905
 906         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog->edicts->fields.server->message));
 907
 908         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
 909                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
 910         MSG_WriteByte (&client->netconnection->message, 0);
 911
 912         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
 913                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
 914         MSG_WriteByte (&client->netconnection->message, 0);
 915
 916 // send music
 917         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
 918         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
 919         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
 920
 921 // set view
 922 // store this in clientcamera, too
 923         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
 924         MSG_WriteByte (&client->netconnection->message, svc_setview);
 925         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
 926
 927         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
 928         MSG_WriteByte (&client->netconnection->message, 1);
 929
 930         client->spawned = false;                // need prespawn, spawn, etc
 931         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
 932
 933         // clear movement info until client enters the new level properly
 934         memset(&client->cmd, 0, sizeof(client->cmd));
 935         client->movesequence = 0;
 936 #ifdef NUM_PING_TIMES
 937         for (i = 0;i < NUM_PING_TIMES;i++)
 938                 client->ping_times[i] = 0;
 939         client->num_pings = 0;
 940 #endif
 941         client->ping = 0;
 942
 943         // allow the client some time to send his keepalives, even if map loading took ages
 944         client->netconnection->timeout = realtime + net_connecttimeout.value;
 945 }
 946
 947 /*
 948 ================
 949 SV_ConnectClient
 950
 951 Initializes a client_t for a new net connection.  This will only be called
 952 once for a player each game, not once for each level change.
 953 ================
 954 */
 955 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
 956 {
 957         client_t                *client;
 958         int                             i;
 959         float                   spawn_parms[NUM_SPAWN_PARMS];
 960
 961         client = svs.clients + clientnum;
 962
 963 // set up the client_t
 964         if (sv.loadgame)
 965                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
 966         memset (client, 0, sizeof(*client));
 967         client->active = true;
 968         client->netconnection = netconnection;
 969
 970         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
 971
 972         strlcpy(client->name, "unconnected", sizeof(client->name));
 973         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
 974         client->spawned = false;
 975         client->edict = PRVM_EDICT_NUM(clientnum+1);
 976         if (client->netconnection)
 977                 client->netconnection->message.allowoverflow = true;            // we can catch it
 978         // prepare the unreliable message buffer
 979         client->unreliablemsg.data = client->unreliablemsg_data;
 980         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
 981         // updated by receiving "rate" command from client, this is also the default if not using a DP client
 982         client->rate = 1000000000;
 983         // no limits for local player
 984         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
 985                 client->rate = 1000000000;
 986         client->connecttime = realtime;
 987
 988         if (sv.loadgame)
 989                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
 990         else
 991         {
 992                 // call the progs to get default spawn parms for the new client
 993                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
 994                 prog->globals.server->self = 0;
 995                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
 996                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
 997                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
 998
 999                 // set up the entity for this client (including .colormap, .team, etc)
1000                 PRVM_ED_ClearEdict(client->edict);
1001         }
1002
1003         // don't call SendServerinfo for a fresh botclient because its fields have
1004         // not been set up by the qc yet
1005         if (client->netconnection)
1006                 SV_SendServerinfo (client);
1007         else
1008                 client->spawned = true;
1009 }
1010
1011
1012 /*
1013 ===============================================================================
1014
1015 FRAME UPDATES
1016
1017 ===============================================================================
1018 */
1019
1020 /*
1021 =============================================================================
1022
1023 The PVS must include a small area around the client to allow head bobbing
1024 or other small motion on the client side.  Otherwise, a bob might cause an
1025 entity that should be visible to not show up, especially when the bob
1026 crosses a waterline.
1027
1028 =============================================================================
1029 */
1030
1031 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1032 {
1033         int i;
1034         unsigned int sendflags;
1035         unsigned int version;
1036         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1037         unsigned int customizeentityforclient;
1038         unsigned int sendentity;
1039         float f;
1040         vec3_t cullmins, cullmaxs;
1041         dp_model_t *model;
1042         prvm_eval_t *val, *val2;
1043
1044         // fast path for games that do not use legacy entity networking
1045         // note: still networks clients even if they are legacy
1046         sendentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendEntity)->function;
1047         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1048                 return false;
1049
1050         // this 2 billion unit check is actually to detect NAN origins
1051         // (we really don't want to send those)
1052         if (!(VectorLength2(ent->fields.server->origin) < 2000000000.0*2000000000.0))
1053                 return false;
1054
1055         // EF_NODRAW prevents sending for any reason except for your own
1056         // client, so we must keep all clients in this superset
1057         effects = (unsigned)ent->fields.server->effects;
1058
1059         // we can omit invisible entities with no effects that are not clients
1060         // LordHavoc: this could kill tags attached to an invisible entity, I
1061         // just hope we never have to support that case
1062         i = (int)ent->fields.server->modelindex;
1063         modelindex = (i >= 1 && i < MAX_MODELS && ent->fields.server->model && *PRVM_GetString(ent->fields.server->model)) ? i : 0;
1064
1065         flags = 0;
1066         i = (int)(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_size)->_float * 0.25f);
1067         glowsize = (unsigned char)bound(0, i, 255);
1068         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_trail)->_float)
1069                 flags |= RENDER_GLOWTRAIL;
1070         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict)
1071                 flags |= RENDER_VIEWMODEL;
1072
1073         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[0]*256;
1074         light[0] = (unsigned short)bound(0, f, 65535);
1075         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[1]*256;
1076         light[1] = (unsigned short)bound(0, f, 65535);
1077         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[2]*256;
1078         light[2] = (unsigned short)bound(0, f, 65535);
1079         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.light_lev)->_float;
1080         light[3] = (unsigned short)bound(0, f, 65535);
1081         lightstyle = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.style)->_float;
1082         lightpflags = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pflags)->_float;
1083
1084         if (gamemode == GAME_TENEBRAE)
1085         {
1086                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1087                 if (effects & 16)
1088                 {
1089                         effects &= ~16;
1090                         lightpflags |= PFLAGS_FULLDYNAMIC;
1091                 }
1092                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1093                 if (effects & 32)
1094                 {
1095                         effects &= ~32;
1096                         light[0] = (int)(0.2*256);
1097                         light[1] = (int)(1.0*256);
1098                         light[2] = (int)(0.2*256);
1099                         light[3] = 200;
1100                         lightpflags |= PFLAGS_FULLDYNAMIC;
1101                 }
1102         }
1103
1104         specialvisibilityradius = 0;
1105         if (lightpflags & PFLAGS_FULLDYNAMIC)
1106                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1107         if (glowsize)
1108                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1109         if (flags & RENDER_GLOWTRAIL)
1110                 specialvisibilityradius = max(specialvisibilityradius, 100);
1111         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1112         {
1113                 if (effects & EF_BRIGHTFIELD)
1114                         specialvisibilityradius = max(specialvisibilityradius, 80);
1115                 if (effects & EF_MUZZLEFLASH)
1116                         specialvisibilityradius = max(specialvisibilityradius, 100);
1117                 if (effects & EF_BRIGHTLIGHT)
1118                         specialvisibilityradius = max(specialvisibilityradius, 400);
1119                 if (effects & EF_DIMLIGHT)
1120                         specialvisibilityradius = max(specialvisibilityradius, 200);
1121                 if (effects & EF_RED)
1122                         specialvisibilityradius = max(specialvisibilityradius, 200);
1123                 if (effects & EF_BLUE)
1124                         specialvisibilityradius = max(specialvisibilityradius, 200);
1125                 if (effects & EF_FLAME)
1126                         specialvisibilityradius = max(specialvisibilityradius, 250);
1127                 if (effects & EF_STARDUST)
1128                         specialvisibilityradius = max(specialvisibilityradius, 100);
1129         }
1130
1131         // early culling checks
1132         // (final culling is done by SV_MarkWriteEntityStateToClient)
1133         customizeentityforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.customizeentityforclient)->function;
1134         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1135                 return false;
1136
1137         *cs = defaultstate;
1138         cs->active = ACTIVE_NETWORK;
1139         cs->number = enumber;
1140         VectorCopy(ent->fields.server->origin, cs->origin);
1141         VectorCopy(ent->fields.server->angles, cs->angles);
1142         cs->flags = flags;
1143         cs->effects = effects;
1144         cs->colormap = (unsigned)ent->fields.server->colormap;
1145         cs->modelindex = modelindex;
1146         cs->skin = (unsigned)ent->fields.server->skin;
1147         cs->frame = (unsigned)ent->fields.server->frame;
1148         cs->viewmodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict;
1149         cs->exteriormodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.exteriormodeltoclient)->edict;
1150         cs->nodrawtoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.nodrawtoclient)->edict;
1151         cs->drawonlytoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.drawonlytoclient)->edict;
1152         cs->customizeentityforclient = customizeentityforclient;
1153         cs->tagentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)->edict;
1154         cs->tagindex = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
1155         cs->glowsize = glowsize;
1156
1157         // don't need to init cs->colormod because the defaultstate did that for us
1158         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1159         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.colormod);
1160         if (val->vector[0] || val->vector[1] || val->vector[2])
1161         {
1162                 i = (int)(val->vector[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1163                 i = (int)(val->vector[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1164                 i = (int)(val->vector[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1165         }
1166
1167         // don't need to init cs->glowmod because the defaultstate did that for us
1168         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1169         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glowmod);
1170         if (val->vector[0] || val->vector[1] || val->vector[2])
1171         {
1172                 i = (int)(val->vector[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1173                 i = (int)(val->vector[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1174                 i = (int)(val->vector[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1175         }
1176
1177         cs->modelindex = modelindex;
1178
1179         cs->alpha = 255;
1180         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)->_float * 255.0f);
1181         if (f)
1182         {
1183                 i = (int)f;
1184                 cs->alpha = (unsigned char)bound(0, i, 255);
1185         }
1186         // halflife
1187         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderamt)->_float);
1188         if (f)
1189         {
1190                 i = (int)f;
1191                 cs->alpha = (unsigned char)bound(0, i, 255);
1192         }
1193
1194         cs->scale = 16;
1195         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale)->_float * 16.0f);
1196         if (f)
1197         {
1198                 i = (int)f;
1199                 cs->scale = (unsigned char)bound(0, i, 255);
1200         }
1201
1202         cs->glowcolor = 254;
1203         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_color)->_float);
1204         if (f)
1205                 cs->glowcolor = (int)f;
1206
1207         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.fullbright)->_float)
1208                 cs->effects |= EF_FULLBRIGHT;
1209
1210         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.modelflags);
1211         if (val && val->_float)
1212                 cs->effects |= ((unsigned int)val->_float & 0xff) << 24;
1213
1214         if (ent->fields.server->movetype == MOVETYPE_STEP)
1215                 cs->flags |= RENDER_STEP;
1216         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)
1217                 cs->flags |= RENDER_LOWPRECISION;
1218         if (ent->fields.server->colormap >= 1024)
1219                 cs->flags |= RENDER_COLORMAPPED;
1220         if (cs->viewmodelforclient)
1221                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1222
1223         cs->light[0] = light[0];
1224         cs->light[1] = light[1];
1225         cs->light[2] = light[2];
1226         cs->light[3] = light[3];
1227         cs->lightstyle = lightstyle;
1228         cs->lightpflags = lightpflags;
1229
1230         cs->specialvisibilityradius = specialvisibilityradius;
1231
1232         // calculate the visible box of this entity (don't use the physics box
1233         // as that is often smaller than a model, and would not count
1234         // specialvisibilityradius)
1235         if ((model = sv.models[modelindex]) && (model->type != mod_null))
1236         {
1237                 float scale = cs->scale * (1.0f / 16.0f);
1238                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1239                 {
1240                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1241                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1242                 }
1243                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1244                 {
1245                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1246                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1247                 }
1248                 else
1249                 {
1250                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1251                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1252                 }
1253         }
1254         else
1255         {
1256                 // if there is no model (or it could not be loaded), use the physics box
1257                 VectorAdd(cs->origin, ent->fields.server->mins, cullmins);
1258                 VectorAdd(cs->origin, ent->fields.server->maxs, cullmaxs);
1259         }
1260         if (specialvisibilityradius)
1261         {
1262                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1263                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1264                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1265                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1266                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1267                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1268         }
1269
1270         // calculate center of bbox for network prioritization purposes
1271         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1272
1273         // if culling box has moved, update pvs cluster links
1274         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1275         {
1276                 VectorCopy(cullmins, ent->priv.server->cullmins);
1277                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1278                 // a value of -1 for pvs_numclusters indicates that the links are not
1279                 // cached, and should be re-tested each time, this is the case if the
1280                 // culling box touches too many pvs clusters to store, or if the world
1281                 // model does not support FindBoxClusters
1282                 ent->priv.server->pvs_numclusters = -1;
1283                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1284                 {
1285                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1286                         if (i <= MAX_ENTITYCLUSTERS)
1287                                 ent->priv.server->pvs_numclusters = i;
1288                 }
1289         }
1290
1291         // we need to do some csqc entity upkeep here
1292         // get self.SendFlags and clear them
1293         // (to let the QC know that they've been read)
1294         if (sendentity)
1295         {
1296                 val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendFlags);
1297                 sendflags = (unsigned int)val->_float;
1298                 val->_float = 0;
1299                 // legacy self.Version system
1300                 val2 = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.Version);
1301                 if (val2->_float)
1302                 {
1303                         version = (unsigned int)val2->_float;
1304                         if (sv.csqcentityversion[enumber] != version)
1305                                 sendflags = 0xFFFFFF;
1306                         sv.csqcentityversion[enumber] = version;
1307                 }
1308                 // move sendflags into the per-client sendflags
1309                 if (sendflags)
1310                         for (i = 0;i < svs.maxclients;i++)
1311                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1312                 // mark it as inactive for non-csqc networking
1313                 cs->active = ACTIVE_SHARED;
1314         }
1315
1316         return true;
1317 }
1318
1319 void SV_PrepareEntitiesForSending(void)
1320 {
1321         int e;
1322         prvm_edict_t *ent;
1323         // send all entities that touch the pvs
1324         sv.numsendentities = 0;
1325         sv.sendentitiesindex[0] = NULL;
1326         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1327         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1328         {
1329                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1330                 {
1331                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1332                         sv.numsendentities++;
1333                 }
1334         }
1335 }
1336
1337 #define MAX_LINEOFSIGHTTRACES 64
1338
1339 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1340 {
1341         float pitchsign;
1342         float alpha;
1343         float starttransformed[3], endtransformed[3];
1344         int blocked = 0;
1345         int traceindex;
1346         int originalnumtouchedicts;
1347         int numtouchedicts = 0;
1348         int touchindex;
1349         matrix4x4_t matrix, imatrix;
1350         dp_model_t *model;
1351         prvm_edict_t *touch;
1352         prvm_edict_t *touchedicts[MAX_EDICTS];
1353         unsigned int modelindex;
1354         vec3_t boxmins, boxmaxs;
1355         vec3_t clipboxmins, clipboxmaxs;
1356         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1357
1358         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1359
1360         // expand the box a little
1361         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1362         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1363         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1364         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1365         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1366         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1367
1368         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1369         for (traceindex = 1;traceindex < numtraces;traceindex++)
1370                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1371
1372         // calculate sweep box for the entire swarm of traces
1373         VectorCopy(eye, clipboxmins);
1374         VectorCopy(eye, clipboxmaxs);
1375         for (traceindex = 0;traceindex < numtraces;traceindex++)
1376         {
1377                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1378                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1379                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1380                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1381                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1382                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1383         }
1384
1385         // get the list of entities in the sweep box
1386         if (sv_cullentities_trace_entityocclusion.integer)
1387                 numtouchedicts = World_EntitiesInBox(&sv.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1388         if (numtouchedicts > MAX_EDICTS)
1389         {
1390                 // this never happens
1391                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1392                 numtouchedicts = MAX_EDICTS;
1393         }
1394         // iterate the entities found in the sweep box and filter them
1395         originalnumtouchedicts = numtouchedicts;
1396         numtouchedicts = 0;
1397         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1398         {
1399                 touch = touchedicts[touchindex];
1400                 if (touch->fields.server->solid != SOLID_BSP)
1401                         continue;
1402                 modelindex = (unsigned int)touch->fields.server->modelindex;
1403                 if (!modelindex)
1404                         continue;
1405                 if (modelindex >= MAX_MODELS)
1406                         continue; // error?
1407                 model = sv.models[(int)touch->fields.server->modelindex];
1408                 if (!model->brush.TraceLineOfSight)
1409                         continue;
1410                 // skip obviously transparent entities
1411                 alpha = PRVM_EDICTFIELDVALUE(touch, prog->fieldoffsets.alpha)->_float;
1412                 if (alpha && alpha < 1)
1413                         continue;
1414                 if ((int)touch->fields.server->effects & EF_ADDITIVE)
1415                         continue;
1416                 touchedicts[numtouchedicts++] = touch;
1417         }
1418
1419         // now that we have a filtered list of "interesting" entities, fire each
1420         // ray against all of them, this gives us an early-out case when something
1421         // is visible (which it often is)
1422
1423         for (traceindex = 0;traceindex < numtraces;traceindex++)
1424         {
1425                 // check world occlusion
1426                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1427                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1428                                 continue;
1429                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1430                 {
1431                         touch = touchedicts[touchindex];
1432                         modelindex = (unsigned int)touch->fields.server->modelindex;
1433                         model = sv.models[(int)touch->fields.server->modelindex];
1434                         // get the entity matrix
1435                         pitchsign = (model->type == mod_alias) ? -1 : 1;
1436                         Matrix4x4_CreateFromQuakeEntity(&matrix, touch->fields.server->origin[0], touch->fields.server->origin[1], touch->fields.server->origin[2], pitchsign * touch->fields.server->angles[0], touch->fields.server->angles[1], touch->fields.server->angles[2], 1);
1437                         Matrix4x4_Invert_Simple(&imatrix, &matrix);
1438                         // see if the ray hits this entity
1439                         Matrix4x4_Transform(&imatrix, eye, starttransformed);
1440                         Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1441                         if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1442                         {
1443                                 blocked++;
1444                                 break;
1445                         }
1446                 }
1447                 // check if the ray was blocked
1448                 if (touchindex < numtouchedicts)
1449                         continue;
1450                 // return if the ray was not blocked
1451                 return true;
1452         }
1453
1454         // no rays survived
1455         return false;
1456 }
1457
1458 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1459 {
1460         int isbmodel;
1461         dp_model_t *model;
1462         prvm_edict_t *ed;
1463         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1464                 return;
1465         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1466         sv.writeentitiestoclient_stats_totalentities++;
1467
1468         if (s->customizeentityforclient)
1469         {
1470                 prog->globals.server->self = s->number;
1471                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1472                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1473                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1474                         return;
1475         }
1476
1477         // never reject player
1478         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1479         {
1480                 // check various rejection conditions
1481                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1482                         return;
1483                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1484                         return;
1485                 if (s->effects & EF_NODRAW)
1486                         return;
1487                 // LordHavoc: only send entities with a model or important effects
1488                 if (!s->modelindex && s->specialvisibilityradius == 0)
1489                         return;
1490
1491                 isbmodel = (model = sv.models[s->modelindex]) != NULL && model->name[0] == '*';
1492                 // viewmodels don't have visibility checking
1493                 if (s->viewmodelforclient)
1494                 {
1495                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1496                                 return;
1497                 }
1498                 else if (s->tagentity)
1499                 {
1500                         // tag attached entities simply check their parent
1501                         if (!sv.sendentitiesindex[s->tagentity])
1502                                 return;
1503                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1504                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1505                                 return;
1506                 }
1507                 // always send world submodels in newer protocols because they don't
1508                 // generate much traffic (in old protocols they hog bandwidth)
1509                 // but only if sv_cullentities_nevercullbmodels is off
1510                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1511                 {
1512                         // entity has survived every check so far, check if visible
1513                         ed = PRVM_EDICT_NUM(s->number);
1514
1515                         // if not touching a visible leaf
1516                         if (sv_cullentities_pvs.integer && !r_novis.integer && sv.writeentitiestoclient_pvsbytes)
1517                         {
1518                                 if (ed->priv.server->pvs_numclusters < 0)
1519                                 {
1520                                         // entity too big for clusters list
1521                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1522                                         {
1523                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1524                                                 return;
1525                                         }
1526                                 }
1527                                 else
1528                                 {
1529                                         int i;
1530                                         // check cached clusters list
1531                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1532                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1533                                                         break;
1534                                         if (i == ed->priv.server->pvs_numclusters)
1535                                         {
1536                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1537                                                 return;
1538                                         }
1539                                 }
1540                         }
1541
1542                         // or not seen by random tracelines
1543                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight)
1544                         {
1545                                 int samples =
1546                                         s->number <= svs.maxclients
1547                                                 ? sv_cullentities_trace_samples_players.integer
1548                                                 :
1549                                         s->specialvisibilityradius
1550                                                 ? sv_cullentities_trace_samples_extra.integer
1551                                                 : sv_cullentities_trace_samples.integer;
1552                                 float enlarge = sv_cullentities_trace_enlarge.value;
1553
1554                                 if(samples > 0)
1555                                 {
1556                                         int eyeindex;
1557                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1558                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1559                                                         break;
1560                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1561                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1562                                                         realtime + (
1563                                                                 s->number <= svs.maxclients
1564                                                                         ? sv_cullentities_trace_delay_players.value
1565                                                                         : sv_cullentities_trace_delay.value
1566                                                         );
1567                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1568                                         {
1569                                                 sv.writeentitiestoclient_stats_culled_trace++;
1570                                                 return;
1571                                         }
1572                                 }
1573                         }
1574                 }
1575         }
1576
1577         // this just marks it for sending
1578         // FIXME: it would be more efficient to send here, but the entity
1579         // compressor isn't that flexible
1580         sv.writeentitiestoclient_stats_visibleentities++;
1581         sv.sententities[s->number] = sv.sententitiesmark;
1582 }
1583
1584 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1585 {
1586         qboolean need_empty = false;
1587         int i, numsendstates, numcsqcsendstates;
1588         entity_state_t *s;
1589         prvm_edict_t *camera;
1590         qboolean success;
1591         vec3_t eye;
1592
1593         // if there isn't enough space to accomplish anything, skip it
1594         if (msg->cursize + 25 > maxsize)
1595                 return;
1596
1597         sv.writeentitiestoclient_msg = msg;
1598         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1599
1600         sv.writeentitiestoclient_stats_culled_pvs = 0;
1601         sv.writeentitiestoclient_stats_culled_trace = 0;
1602         sv.writeentitiestoclient_stats_visibleentities = 0;
1603         sv.writeentitiestoclient_stats_totalentities = 0;
1604         sv.writeentitiestoclient_numeyes = 0;
1605
1606         // get eye location
1607         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1608         camera = PRVM_EDICT_NUM( client->clientcamera );
1609         VectorAdd(camera->fields.server->origin, clent->fields.server->view_ofs, eye);
1610         sv.writeentitiestoclient_pvsbytes = 0;
1611         // get the PVS values for the eye location, later FatPVS calls will merge
1612         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1613                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1614
1615         // add the eye to a list for SV_CanSeeBox tests
1616         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1617         sv.writeentitiestoclient_numeyes++;
1618
1619         // calculate predicted eye origin for SV_CanSeeBox tests
1620         if (sv_cullentities_trace_prediction.integer)
1621         {
1622                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1623                 vec3_t predeye;
1624                 VectorMA(eye, predtime, camera->fields.server->velocity, predeye);
1625                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1626                 {
1627                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1628                         sv.writeentitiestoclient_numeyes++;
1629                 }
1630                 //if (!sv.writeentitiestoclient_useprediction)
1631                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1632         }
1633
1634         // TODO: check line of sight to portal entities and add them to PVS
1635
1636         sv.sententitiesmark++;
1637
1638         for (i = 0;i < sv.numsendentities;i++)
1639                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1640
1641         numsendstates = 0;
1642         numcsqcsendstates = 0;
1643         for (i = 0;i < sv.numsendentities;i++)
1644         {
1645                 if (sv.sententities[sv.sendentities[i].number] == sv.sententitiesmark)
1646                 {
1647                         if(sv.sendentities[i].active == ACTIVE_NETWORK)
1648                         {
1649                                 s = &sv.writeentitiestoclient_sendstates[numsendstates++];
1650                                 *s = sv.sendentities[i];
1651                                 if (s->exteriormodelforclient && s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1652                                         s->flags |= RENDER_EXTERIORMODEL;
1653                         }
1654                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1655                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = sv.sendentities[i].number;
1656                         else
1657                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", sv.sendentities[i].number);
1658                 }
1659         }
1660
1661         if (sv_cullentities_stats.integer)
1662                 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);
1663
1664         if(client->entitydatabase5)
1665                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1666         else
1667                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1668
1669         if(client->num_skippedentityframes >= 10)
1670                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1671
1672         if (client->entitydatabase5)
1673                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1674         else if (client->entitydatabase4)
1675         {
1676                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1677                 Protocol_WriteStatsReliable();
1678         }
1679         else if (client->entitydatabase)
1680         {
1681                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1682                 Protocol_WriteStatsReliable();
1683         }
1684         else
1685         {
1686                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1687                 Protocol_WriteStatsReliable();
1688         }
1689
1690         if(success)
1691                 client->num_skippedentityframes = 0;
1692         else
1693                 ++client->num_skippedentityframes;
1694 }
1695
1696 /*
1697 =============
1698 SV_CleanupEnts
1699
1700 =============
1701 */
1702 static void SV_CleanupEnts (void)
1703 {
1704         int             e;
1705         prvm_edict_t    *ent;
1706
1707         ent = PRVM_NEXT_EDICT(prog->edicts);
1708         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1709                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1710 }
1711
1712 /*
1713 ==================
1714 SV_WriteClientdataToMessage
1715
1716 ==================
1717 */
1718 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1719 {
1720         int             bits;
1721         int             i;
1722         prvm_edict_t    *other;
1723         int             items;
1724         prvm_eval_t     *val;
1725         vec3_t  punchvector;
1726         int             viewzoom;
1727         const char *s;
1728         float   *statsf = (float *)stats;
1729
1730 //
1731 // send a damage message
1732 //
1733         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1734         {
1735                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1736                 MSG_WriteByte (msg, svc_damage);
1737                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1738                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1739                 for (i=0 ; i<3 ; i++)
1740                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1741
1742                 ent->fields.server->dmg_take = 0;
1743                 ent->fields.server->dmg_save = 0;
1744         }
1745
1746 //
1747 // send the current viewpos offset from the view entity
1748 //
1749         SV_SetIdealPitch ();            // how much to look up / down ideally
1750
1751 // a fixangle might get lost in a dropped packet.  Oh well.
1752         if(ent->fields.server->fixangle)
1753         {
1754                 // angle fixing was requested by global thinking code...
1755                 // so store the current angles for later use
1756                 memcpy(host_client->fixangle_angles, ent->fields.server->angles, sizeof(host_client->fixangle_angles));
1757                 host_client->fixangle_angles_set = TRUE;
1758
1759                 // and clear fixangle for the next frame
1760                 ent->fields.server->fixangle = 0;
1761         }
1762
1763         if (host_client->fixangle_angles_set)
1764         {
1765                 MSG_WriteByte (msg, svc_setangle);
1766                 for (i=0 ; i < 3 ; i++)
1767                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1768                 host_client->fixangle_angles_set = FALSE;
1769         }
1770
1771         // stuff the sigil bits into the high bits of items for sbar, or else
1772         // mix in items2
1773         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
1774         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1775                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1776         else
1777                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1778
1779         VectorClear(punchvector);
1780         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
1781                 VectorCopy(val->vector, punchvector);
1782
1783         // cache weapon model name and index in client struct to save time
1784         // (this search can be almost 1% of cpu time!)
1785         s = PRVM_GetString(ent->fields.server->weaponmodel);
1786         if (strcmp(s, client->weaponmodel))
1787         {
1788                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1789                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1790         }
1791
1792         viewzoom = 255;
1793         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
1794                 viewzoom = (int)(val->_float * 255.0f);
1795         if (viewzoom == 0)
1796                 viewzoom = 255;
1797
1798         bits = 0;
1799
1800         if ((int)ent->fields.server->flags & FL_ONGROUND)
1801                 bits |= SU_ONGROUND;
1802         if (ent->fields.server->waterlevel >= 2)
1803                 bits |= SU_INWATER;
1804         if (ent->fields.server->idealpitch)
1805                 bits |= SU_IDEALPITCH;
1806
1807         for (i=0 ; i<3 ; i++)
1808         {
1809                 if (ent->fields.server->punchangle[i])
1810                         bits |= (SU_PUNCH1<<i);
1811                 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)
1812                         if (punchvector[i])
1813                                 bits |= (SU_PUNCHVEC1<<i);
1814                 if (ent->fields.server->velocity[i])
1815                         bits |= (SU_VELOCITY1<<i);
1816         }
1817
1818         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1819         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
1820         stats[STAT_ITEMS] = items;
1821         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
1822         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
1823         stats[STAT_WEAPON] = client->weaponmodelindex;
1824         stats[STAT_HEALTH] = (int)ent->fields.server->health;
1825         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
1826         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
1827         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
1828         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
1829         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
1830         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
1831         stats[STAT_VIEWZOOM] = viewzoom;
1832         stats[STAT_TOTALSECRETS] = (int)prog->globals.server->total_secrets;
1833         stats[STAT_TOTALMONSTERS] = (int)prog->globals.server->total_monsters;
1834         // the QC bumps these itself by sending svc_'s, so we have to keep them
1835         // zero or they'll be corrected by the engine
1836         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1837         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1838
1839         // movement settings for prediction
1840         // note: these are not sent in protocols with lower MAX_CL_STATS limits
1841         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
1842                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
1843         ;
1844         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
1845         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
1846         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
1847         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
1848         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
1849         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
1850         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
1851         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
1852         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
1853         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.gravity);
1854         statsf[STAT_MOVEVARS_ENTGRAVITY] = (val && val->_float != 0) ? val->_float : 1.0f;
1855         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
1856         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
1857         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
1858         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
1859         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
1860         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
1861         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
1862         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
1863         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
1864         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
1865         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
1866         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
1867         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
1868         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
1869         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
1870         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
1871         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
1872         statsf[STAT_FRAGLIMIT] = fraglimit.value;
1873         statsf[STAT_TIMELIMIT] = timelimit.value;
1874
1875         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)
1876         {
1877                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
1878                 bits |= SU_ITEMS;
1879                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
1880                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
1881                 bits |= SU_WEAPON;
1882                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
1883                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1884                         if (viewzoom != 255)
1885                                 bits |= SU_VIEWZOOM;
1886         }
1887
1888         if (bits >= 65536)
1889                 bits |= SU_EXTEND1;
1890         if (bits >= 16777216)
1891                 bits |= SU_EXTEND2;
1892
1893         // send the data
1894         MSG_WriteByte (msg, svc_clientdata);
1895         MSG_WriteShort (msg, bits);
1896         if (bits & SU_EXTEND1)
1897                 MSG_WriteByte(msg, bits >> 16);
1898         if (bits & SU_EXTEND2)
1899                 MSG_WriteByte(msg, bits >> 24);
1900
1901         if (bits & SU_VIEWHEIGHT)
1902                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
1903
1904         if (bits & SU_IDEALPITCH)
1905                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
1906
1907         for (i=0 ; i<3 ; i++)
1908         {
1909                 if (bits & (SU_PUNCH1<<i))
1910                 {
1911                         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)
1912                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
1913                         else
1914                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
1915                 }
1916                 if (bits & (SU_PUNCHVEC1<<i))
1917                 {
1918                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1919                                 MSG_WriteCoord16i(msg, punchvector[i]);
1920                         else
1921                                 MSG_WriteCoord32f(msg, punchvector[i]);
1922                 }
1923                 if (bits & (SU_VELOCITY1<<i))
1924                 {
1925                         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)
1926                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
1927                         else
1928                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
1929                 }
1930         }
1931
1932         if (bits & SU_ITEMS)
1933                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
1934
1935         if (sv.protocol == PROTOCOL_DARKPLACES5)
1936         {
1937                 if (bits & SU_WEAPONFRAME)
1938                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
1939                 if (bits & SU_ARMOR)
1940                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
1941                 if (bits & SU_WEAPON)
1942                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
1943                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1944                 MSG_WriteShort (msg, stats[STAT_AMMO]);
1945                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
1946                 MSG_WriteShort (msg, stats[STAT_NAILS]);
1947                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
1948                 MSG_WriteShort (msg, stats[STAT_CELLS]);
1949                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
1950                 if (bits & SU_VIEWZOOM)
1951                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1952         }
1953         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)
1954         {
1955                 if (bits & SU_WEAPONFRAME)
1956                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
1957                 if (bits & SU_ARMOR)
1958                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
1959                 if (bits & SU_WEAPON)
1960                 {
1961                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
1962                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
1963                         else
1964                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
1965                 }
1966                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1967                 MSG_WriteByte (msg, stats[STAT_AMMO]);
1968                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
1969                 MSG_WriteByte (msg, stats[STAT_NAILS]);
1970                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
1971                 MSG_WriteByte (msg, stats[STAT_CELLS]);
1972                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1973                 {
1974                         for (i = 0;i < 32;i++)
1975                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
1976                                         break;
1977                         MSG_WriteByte (msg, i);
1978                 }
1979                 else
1980                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
1981                 if (bits & SU_VIEWZOOM)
1982                 {
1983                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1984                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
1985                         else
1986                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1987                 }
1988         }
1989 }
1990
1991 void SV_FlushBroadcastMessages(void)
1992 {
1993         int i;
1994         client_t *client;
1995         if (sv.datagram.cursize <= 0)
1996                 return;
1997         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
1998         {
1999                 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])))
2000                         continue;
2001                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2002                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2003         }
2004         SZ_Clear(&sv.datagram);
2005 }
2006
2007 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2008 {
2009         // scan the splitpoints to find out how many we can fit in
2010         int numsegments, j, split;
2011         if (!client->unreliablemsg_splitpoints)
2012                 return;
2013         // always accept the first one if it's within 1024 bytes, this ensures
2014         // that very big datagrams which are over the rate limit still get
2015         // through, just to keep it working
2016         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2017                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2018                         break;
2019         // the first segment gets an exemption from the rate limiting, otherwise
2020         // it could get dropped consistently due to a low rate limit
2021         if (numsegments == 1)
2022                 maxsize = maxsize2;
2023         // some will fit, so add the ones that will fit
2024         split = client->unreliablemsg_splitpoint[numsegments-1];
2025         // note this discards ones that were accepted by the segments scan but
2026         // can not fit, such as a really huge first one that will never ever
2027         // fit in a packet...
2028         if (msg->cursize + split <= maxsize)
2029                 SZ_Write(msg, client->unreliablemsg.data, split);
2030         // remove the part we sent, keeping any remaining data
2031         client->unreliablemsg.cursize -= split;
2032         if (client->unreliablemsg.cursize > 0)
2033                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2034         // adjust remaining splitpoints
2035         client->unreliablemsg_splitpoints -= numsegments;
2036         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2037                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2038 }
2039
2040 /*
2041 =======================
2042 SV_SendClientDatagram
2043 =======================
2044 */
2045 static void SV_SendClientDatagram (client_t *client)
2046 {
2047         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2048         sizebuf_t msg;
2049         int stats[MAX_CL_STATS];
2050         unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2051
2052         // obey rate limit by limiting packet frequency if the packet size
2053         // limiting fails
2054         // (usually this is caused by reliable messages)
2055         if (!NetConn_CanSend(client->netconnection))
2056                 return;
2057
2058         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2059         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2060         if (sv_maxrate.integer != maxrate)
2061                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2062
2063         // clientrate determines the 'cleartime' of a packet
2064         // (how long to wait before sending another, based on this packet's size)
2065         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2066
2067         switch (sv.protocol)
2068         {
2069         case PROTOCOL_QUAKE:
2070         case PROTOCOL_QUAKEDP:
2071         case PROTOCOL_NEHAHRAMOVIE:
2072         case PROTOCOL_NEHAHRABJP:
2073         case PROTOCOL_NEHAHRABJP2:
2074         case PROTOCOL_NEHAHRABJP3:
2075         case PROTOCOL_QUAKEWORLD:
2076                 // no packet size limit support on Quake protocols because it just
2077                 // causes missing entities/effects
2078                 // packets are simply sent less often to obey the rate limit
2079                 maxsize = 1024;
2080                 maxsize2 = 1024;
2081                 break;
2082         case PROTOCOL_DARKPLACES1:
2083         case PROTOCOL_DARKPLACES2:
2084         case PROTOCOL_DARKPLACES3:
2085         case PROTOCOL_DARKPLACES4:
2086                 // no packet size limit support on DP1-4 protocols because they kick
2087                 // the client off if they overflow, and miss effects
2088                 // packets are simply sent less often to obey the rate limit
2089                 maxsize = sizeof(sv_sendclientdatagram_buf);
2090                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2091                 break;
2092         default:
2093                 // DP5 and later protocols support packet size limiting which is a
2094                 // better method than limiting packet frequency as QW does
2095                 //
2096                 // at very low rates (or very small sys_ticrate) the packet size is
2097                 // not reduced below 128, but packets may be sent less often
2098                 maxsize = (int)(clientrate * sys_ticrate.value);
2099                 maxsize = bound(128, maxsize, 1400);
2100                 maxsize2 = 1400;
2101                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2102                 // mods that use csqc (they are likely to use less bandwidth anyway)
2103                 if (sv.csqc_progsize > 0)
2104                         maxsize = maxsize2;
2105                 break;
2106         }
2107
2108         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2109         {
2110                 // for good singleplayer, send huge packets
2111                 maxsize = sizeof(sv_sendclientdatagram_buf);
2112                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2113                 // never limit frequency in singleplayer
2114                 clientrate = 1000000000;
2115         }
2116
2117         // while downloading, limit entity updates to half the packet
2118         // (any leftover space will be used for downloading)
2119         if (host_client->download_file)
2120                 maxsize /= 2;
2121
2122         msg.data = sv_sendclientdatagram_buf;
2123         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2124         msg.cursize = 0;
2125         msg.allowoverflow = false;
2126
2127         if (host_client->spawned)
2128         {
2129                 // the player is in the game
2130                 MSG_WriteByte (&msg, svc_time);
2131                 MSG_WriteFloat (&msg, sv.time);
2132
2133                 // add the client specific data to the datagram
2134                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2135                 // now update the stats[] array using any registered custom fields
2136                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2137                 // set host_client->statsdeltabits
2138                 Protocol_UpdateClientStats (stats);
2139
2140                 // add as many queued unreliable messages (effects) as we can fit
2141                 // limit effects to half of the remaining space
2142                 if (client->unreliablemsg.cursize)
2143                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2144
2145                 // now write as many entities as we can fit, and also sends stats
2146                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2147         }
2148         else if (realtime > client->keepalivetime)
2149         {
2150                 // the player isn't totally in the game yet
2151                 // send small keepalive messages if too much time has passed
2152                 // (may also be sending downloads)
2153                 client->keepalivetime = realtime + 5;
2154                 MSG_WriteChar (&msg, svc_nop);
2155         }
2156
2157         // if a download is active, see if there is room to fit some download data
2158         // in this packet
2159         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2160         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2161         {
2162                 fs_offset_t downloadstart;
2163                 unsigned char data[1400];
2164                 downloadstart = FS_Tell(host_client->download_file);
2165                 downloadsize = min(downloadsize, (int)sizeof(data));
2166                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2167                 // note this sends empty messages if at the end of the file, which is
2168                 // necessary to keep the packet loss logic working
2169                 // (the last blocks may be lost and need to be re-sent, and that will
2170                 //  only occur if the client acks the empty end messages, revealing
2171                 //  a gap in the download progress, causing the last blocks to be
2172                 //  sent again)
2173                 MSG_WriteChar (&msg, svc_downloaddata);
2174                 MSG_WriteLong (&msg, downloadstart);
2175                 MSG_WriteShort (&msg, downloadsize);
2176                 if (downloadsize > 0)
2177                         SZ_Write (&msg, data, downloadsize);
2178         }
2179
2180         // reliable only if none is in progress
2181         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2182                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2183         // unreliable
2184         SV_WriteDemoMessage(client, &msg, false);
2185
2186 // send the datagram
2187         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2188         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2189                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2190 }
2191
2192 /*
2193 =======================
2194 SV_UpdateToReliableMessages
2195 =======================
2196 */
2197 static void SV_UpdateToReliableMessages (void)
2198 {
2199         int i, j;
2200         client_t *client;
2201         prvm_eval_t *val;
2202         const char *name;
2203         const char *model;
2204         const char *skin;
2205
2206 // check for changes to be sent over the reliable streams
2207         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2208         {
2209                 // update the host_client fields we care about according to the entity fields
2210                 host_client->edict = PRVM_EDICT_NUM(i+1);
2211
2212                 // DP_SV_CLIENTNAME
2213                 name = PRVM_GetString(host_client->edict->fields.server->netname);
2214                 if (name == NULL)
2215                         name = "";
2216                 // always point the string back at host_client->name to keep it safe
2217                 strlcpy (host_client->name, name, sizeof (host_client->name));
2218                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
2219                 if (strcmp(host_client->old_name, host_client->name))
2220                 {
2221                         if (host_client->spawned)
2222                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2223                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2224                         // send notification to all clients
2225                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2226                         MSG_WriteByte (&sv.reliable_datagram, i);
2227                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2228                         SV_WriteNetnameIntoDemo(host_client);
2229                 }
2230
2231                 // DP_SV_CLIENTCOLORS
2232                 // this is always found (since it's added by the progs loader)
2233                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
2234                         host_client->colors = (int)val->_float;
2235                 if (host_client->old_colors != host_client->colors)
2236                 {
2237                         host_client->old_colors = host_client->colors;
2238                         // send notification to all clients
2239                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2240                         MSG_WriteByte (&sv.reliable_datagram, i);
2241                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2242                 }
2243
2244                 // NEXUIZ_PLAYERMODEL
2245                 if( prog->fieldoffsets.playermodel >= 0 ) {
2246                         model = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string);
2247                         if (model == NULL)
2248                                 model = "";
2249                         // always point the string back at host_client->name to keep it safe
2250                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2251                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
2252                 }
2253
2254                 // NEXUIZ_PLAYERSKIN
2255                 if( prog->fieldoffsets.playerskin >= 0 ) {
2256                         skin = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string);
2257                         if (skin == NULL)
2258                                 skin = "";
2259                         // always point the string back at host_client->name to keep it safe
2260                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2261                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
2262                 }
2263
2264                 // TODO: add an extension name for this [1/17/2008 Black]
2265                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcamera)) && val->edict > 0 ) {
2266                         int oldclientcamera = host_client->clientcamera;
2267                         if( val->edict >= prog->max_edicts || PRVM_EDICT_NUM( val->edict )->priv.required->free ) {
2268                                 val->edict = host_client->clientcamera = PRVM_NUM_FOR_EDICT( host_client->edict );
2269                         } else {
2270                                 host_client->clientcamera = val->edict;
2271                         }
2272
2273                         if( oldclientcamera != host_client->clientcamera ) {
2274                                 MSG_WriteByte (&sv.reliable_datagram, svc_setview );
2275                                 MSG_WriteShort (&host_client->netconnection->message, host_client->clientcamera);
2276                         }
2277                 }
2278
2279                 // frags
2280                 host_client->frags = (int)host_client->edict->fields.server->frags;
2281                 if(gamemode == GAME_NEXUIZ)
2282                         if(!host_client->spawned && host_client->netconnection)
2283                                 host_client->frags = -666;
2284                 if (host_client->old_frags != host_client->frags)
2285                 {
2286                         host_client->old_frags = host_client->frags;
2287                         // send notification to all clients
2288                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2289                         MSG_WriteByte (&sv.reliable_datagram, i);
2290                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2291                 }
2292         }
2293
2294         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2295                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2296                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2297
2298         SZ_Clear (&sv.reliable_datagram);
2299 }
2300
2301
2302 /*
2303 =======================
2304 SV_SendClientMessages
2305 =======================
2306 */
2307 void SV_SendClientMessages (void)
2308 {
2309         int i, prepared = false;
2310
2311         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2312                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2313
2314         SV_FlushBroadcastMessages();
2315
2316 // update frags, names, etc
2317         SV_UpdateToReliableMessages();
2318
2319 // build individual updates
2320         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2321         {
2322                 if (!host_client->active)
2323                         continue;
2324                 if (!host_client->netconnection)
2325                         continue;
2326
2327                 if (host_client->netconnection->message.overflowed)
2328                 {
2329                         SV_DropClient (true);   // if the message couldn't send, kick off
2330                         continue;
2331                 }
2332
2333                 if (!prepared)
2334                 {
2335                         prepared = true;
2336                         // only prepare entities once per frame
2337                         SV_PrepareEntitiesForSending();
2338                 }
2339                 SV_SendClientDatagram (host_client);
2340         }
2341
2342 // clear muzzle flashes
2343         SV_CleanupEnts();
2344 }
2345
2346 static void SV_StartDownload_f(void)
2347 {
2348         if (host_client->download_file)
2349                 host_client->download_started = true;
2350 }
2351
2352 /*
2353  * Compression extension negotiation:
2354  *
2355  * Server to client:
2356  *   cl_serverextension_download 2
2357  *
2358  * Client to server:
2359  *   download <filename> <list of zero or more suppported compressions in order of preference>
2360  * e.g.
2361  *   download maps/map1.bsp lzo deflate huffman
2362  *
2363  * Server to client:
2364  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2365  * e.g.
2366  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2367  *
2368  * The server may choose not to compress the file by sending no compression name, like:
2369  *   cl_downloadbegin 345678 maps/map1.bsp
2370  *
2371  * NOTE: the "download" command may only specify compression algorithms if
2372  *       cl_serverextension_download is 2!
2373  *       If cl_serverextension_download has a different value, the client must
2374  *       assume this extension is not supported!
2375  */
2376
2377 static void Download_CheckExtensions(void)
2378 {
2379         int i;
2380         int argc = Cmd_Argc();
2381
2382         // first reset them all
2383         host_client->download_deflate = false;
2384
2385         for(i = 2; i < argc; ++i)
2386         {
2387                 if(!strcmp(Cmd_Argv(i), "deflate"))
2388                 {
2389                         host_client->download_deflate = true;
2390                         break;
2391                 }
2392         }
2393 }
2394
2395 static void SV_Download_f(void)
2396 {
2397         const char *whichpack, *whichpack2, *extension;
2398         qboolean is_csqc; // so we need to check only once
2399
2400         if (Cmd_Argc() < 2)
2401         {
2402                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2403                 SV_ClientPrintf("       supported extensions: deflate\n");
2404                 return;
2405         }
2406
2407         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2408         {
2409                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2410                 return;
2411         }
2412
2413         if (host_client->download_file)
2414         {
2415                 // at this point we'll assume the previous download should be aborted
2416                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2417                 Host_ClientCommands("\nstopdownload\n");
2418
2419                 // close the file and reset variables
2420                 FS_Close(host_client->download_file);
2421                 host_client->download_file = NULL;
2422                 host_client->download_name[0] = 0;
2423                 host_client->download_expectedposition = 0;
2424                 host_client->download_started = false;
2425         }
2426
2427         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2428
2429         if (!sv_allowdownloads.integer && !is_csqc)
2430         {
2431                 SV_ClientPrintf("Downloads are disabled on this server\n");
2432                 Host_ClientCommands("\nstopdownload\n");
2433                 return;
2434         }
2435
2436         Download_CheckExtensions();
2437
2438         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2439         extension = FS_FileExtension(host_client->download_name);
2440
2441         // host_client is asking to download a specified file
2442         if (developer.integer >= 100)
2443                 Con_Printf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2444
2445         if(is_csqc)
2446         {
2447                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2448                 extensions[0] = '\0';
2449
2450                 if(host_client->download_deflate)
2451                         strlcat(extensions, " deflate", sizeof(extensions));
2452
2453                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2454
2455                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2456                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2457                 else
2458                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2459
2460                 // no, no space is needed between %s and %s :P
2461                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2462
2463                 host_client->download_expectedposition = 0;
2464                 host_client->download_started = false;
2465                 host_client->sendsignon = true; // make sure this message is sent
2466                 return;
2467         }
2468
2469         if (!FS_FileExists(host_client->download_name))
2470         {
2471                 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);
2472                 Host_ClientCommands("\nstopdownload\n");
2473                 return;
2474         }
2475
2476         // check if the user is trying to download part of registered Quake(r)
2477         whichpack = FS_WhichPack(host_client->download_name);
2478         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2479         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2480         {
2481                 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);
2482                 Host_ClientCommands("\nstopdownload\n");
2483                 return;
2484         }
2485
2486         // check if the server has forbidden archive downloads entirely
2487         if (!sv_allowdownloads_inarchive.integer)
2488         {
2489                 whichpack = FS_WhichPack(host_client->download_name);
2490                 if (whichpack)
2491                 {
2492                         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);
2493                         Host_ClientCommands("\nstopdownload\n");
2494                         return;
2495                 }
2496         }
2497
2498         if (!sv_allowdownloads_config.integer)
2499         {
2500                 if (!strcasecmp(extension, "cfg"))
2501                 {
2502                         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);
2503                         Host_ClientCommands("\nstopdownload\n");
2504                         return;
2505                 }
2506         }
2507
2508         if (!sv_allowdownloads_dlcache.integer)
2509         {
2510                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2511                 {
2512                         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);
2513                         Host_ClientCommands("\nstopdownload\n");
2514                         return;
2515                 }
2516         }
2517
2518         if (!sv_allowdownloads_archive.integer)
2519         {
2520                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2521                 {
2522                         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);
2523                         Host_ClientCommands("\nstopdownload\n");
2524                         return;
2525                 }
2526         }
2527
2528         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2529         if (!host_client->download_file)
2530         {
2531                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2532                 Host_ClientCommands("\nstopdownload\n");
2533                 return;
2534         }
2535
2536         if (FS_FileSize(host_client->download_file) > 1<<30)
2537         {
2538                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2539                 Host_ClientCommands("\nstopdownload\n");
2540                 FS_Close(host_client->download_file);
2541                 host_client->download_file = NULL;
2542                 return;
2543         }
2544
2545         if (FS_FileSize(host_client->download_file) < 0)
2546         {
2547                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2548                 Host_ClientCommands("\nstopdownload\n");
2549                 FS_Close(host_client->download_file);
2550                 host_client->download_file = NULL;
2551                 return;
2552         }
2553
2554         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2555
2556         /*
2557          * we can only do this if we would actually deflate on the fly
2558          * which we do not (yet)!
2559         {
2560                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2561                 extensions[0] = '\0';
2562
2563                 if(host_client->download_deflate)
2564                         strlcat(extensions, " deflate", sizeof(extensions));
2565
2566                 // no, no space is needed between %s and %s :P
2567                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2568         }
2569         */
2570         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2571
2572         host_client->download_expectedposition = 0;
2573         host_client->download_started = false;
2574         host_client->sendsignon = true; // make sure this message is sent
2575
2576         // the rest of the download process is handled in SV_SendClientDatagram
2577         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2578         //
2579         // no svc_downloaddata messages will be sent until sv_startdownload is
2580         // sent by the client
2581 }
2582
2583 /*
2584 ==============================================================================
2585
2586 SERVER SPAWNING
2587
2588 ==============================================================================
2589 */
2590
2591 /*
2592 ================
2593 SV_ModelIndex
2594
2595 ================
2596 */
2597 int SV_ModelIndex(const char *s, int precachemode)
2598 {
2599         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);
2600         char filename[MAX_QPATH];
2601         if (!s || !*s)
2602                 return 0;
2603         // testing
2604         //if (precachemode == 2)
2605         //      return 0;
2606         strlcpy(filename, s, sizeof(filename));
2607         for (i = 2;i < limit;i++)
2608         {
2609                 if (!sv.model_precache[i][0])
2610                 {
2611                         if (precachemode)
2612                         {
2613                                 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))
2614                                 {
2615                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2616                                         return 0;
2617                                 }
2618                                 if (precachemode == 1)
2619                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2620                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2621                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.modelname : NULL);
2622                                 if (sv.state != ss_loading)
2623                                 {
2624                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2625                                         MSG_WriteShort(&sv.reliable_datagram, i);
2626                                         MSG_WriteString(&sv.reliable_datagram, filename);
2627                                 }
2628                                 return i;
2629                         }
2630                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2631                         return 0;
2632                 }
2633                 if (!strcmp(sv.model_precache[i], filename))
2634                         return i;
2635         }
2636         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2637         return 0;
2638 }
2639
2640 /*
2641 ================
2642 SV_SoundIndex
2643
2644 ================
2645 */
2646 int SV_SoundIndex(const char *s, int precachemode)
2647 {
2648         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);
2649         char filename[MAX_QPATH];
2650         if (!s || !*s)
2651                 return 0;
2652         // testing
2653         //if (precachemode == 2)
2654         //      return 0;
2655         strlcpy(filename, s, sizeof(filename));
2656         for (i = 1;i < limit;i++)
2657         {
2658                 if (!sv.sound_precache[i][0])
2659                 {
2660                         if (precachemode)
2661                         {
2662                                 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))
2663                                 {
2664                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2665                                         return 0;
2666                                 }
2667                                 if (precachemode == 1)
2668                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2669                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2670                                 if (sv.state != ss_loading)
2671                                 {
2672                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2673                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2674                                         MSG_WriteString(&sv.reliable_datagram, filename);
2675                                 }
2676                                 return i;
2677                         }
2678                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2679                         return 0;
2680                 }
2681                 if (!strcmp(sv.sound_precache[i], filename))
2682                         return i;
2683         }
2684         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2685         return 0;
2686 }
2687
2688 /*
2689 ================
2690 SV_ParticleEffectIndex
2691
2692 ================
2693 */
2694 int SV_ParticleEffectIndex(const char *name)
2695 {
2696         int i, argc, linenumber, effectnameindex;
2697         fs_offset_t filesize;
2698         unsigned char *filedata;
2699         const char *text, *textstart, *textend;
2700         char argv[16][1024];
2701         if (!sv.particleeffectnamesloaded)
2702         {
2703                 sv.particleeffectnamesloaded = true;
2704                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2705                 for (i = 0;i < EFFECT_TOTAL;i++)
2706                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2707                 filedata = FS_LoadFile("effectinfo.txt", tempmempool, true, &filesize);
2708                 if (filedata)
2709                 {
2710                         textstart = (const char *)filedata;
2711                         textend = (const char *)filedata + filesize;
2712                         text = textstart;
2713                         for (linenumber = 1;;linenumber++)
2714                         {
2715                                 argc = 0;
2716                                 for (;;)
2717                                 {
2718                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2719                                                 break;
2720                                         if (argc < 16)
2721                                         {
2722                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2723                                                 argc++;
2724                                         }
2725                                 }
2726                                 if (com_token[0] == 0)
2727                                         break; // if the loop exited and it's not a \n, it's EOF
2728                                 if (argc < 1)
2729                                         continue;
2730                                 if (!strcmp(argv[0], "effect"))
2731                                 {
2732                                         if (argc == 2)
2733                                         {
2734                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2735                                                 {
2736                                                         if (sv.particleeffectname[effectnameindex][0])
2737                                                         {
2738                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2739                                                                         break;
2740                                                         }
2741                                                         else
2742                                                         {
2743                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2744                                                                 break;
2745                                                         }
2746                                                 }
2747                                                 // if we run out of names, abort
2748                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2749                                                 {
2750                                                         Con_Printf("effectinfo.txt:%i: too many effects!\n", linenumber);
2751                                                         break;
2752                                                 }
2753                                         }
2754                                 }
2755                         }
2756                         Mem_Free(filedata);
2757                 }
2758         }
2759         // search for the name
2760         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2761                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2762                         return effectnameindex;
2763         // return 0 if we couldn't find it
2764         return 0;
2765 }
2766
2767 /*
2768 ================
2769 SV_CreateBaseline
2770
2771 ================
2772 */
2773 static void SV_CreateBaseline (void)
2774 {
2775         int i, entnum, large;
2776         prvm_edict_t *svent;
2777
2778         // LordHavoc: clear *all* states (note just active ones)
2779         for (entnum = 0;entnum < prog->max_edicts;entnum++)
2780         {
2781                 // get the current server version
2782                 svent = PRVM_EDICT_NUM(entnum);
2783
2784                 // LordHavoc: always clear state values, whether the entity is in use or not
2785                 svent->priv.server->baseline = defaultstate;
2786
2787                 if (svent->priv.server->free)
2788                         continue;
2789                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
2790                         continue;
2791
2792                 // create entity baseline
2793                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
2794                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
2795                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
2796                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
2797                 if (entnum > 0 && entnum <= svs.maxclients)
2798                 {
2799                         svent->priv.server->baseline.colormap = entnum;
2800                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
2801                 }
2802                 else
2803                 {
2804                         svent->priv.server->baseline.colormap = 0;
2805                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
2806                 }
2807
2808                 large = false;
2809                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
2810                 {
2811                         large = true;
2812                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2813                                 large = false;
2814                 }
2815
2816                 // add to the message
2817                 if (large)
2818                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
2819                 else
2820                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
2821                 MSG_WriteShort (&sv.signon, entnum);
2822
2823                 if (large)
2824                 {
2825                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2826                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
2827                 }
2828                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2829                 {
2830                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2831                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2832                 }
2833                 else
2834                 {
2835                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
2836                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2837                 }
2838                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
2839                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
2840                 for (i=0 ; i<3 ; i++)
2841                 {
2842                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
2843                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
2844                 }
2845         }
2846 }
2847
2848 /*
2849 ================
2850 SV_Prepare_CSQC
2851
2852 Load csprogs.dat and comperss it so it doesn't need to be
2853 reloaded on request.
2854 ================
2855 */
2856 void SV_Prepare_CSQC(void)
2857 {
2858         fs_offset_t progsize;
2859
2860         if(svs.csqc_progdata)
2861         {
2862                 Con_DPrintf("Unloading old CSQC data.\n");
2863                 Mem_Free(svs.csqc_progdata);
2864                 if(svs.csqc_progdata_deflated)
2865                         Mem_Free(svs.csqc_progdata_deflated);
2866         }
2867
2868         svs.csqc_progdata = NULL;
2869         svs.csqc_progdata_deflated = NULL;
2870
2871         Con_Print("Loading csprogs.dat\n");
2872
2873         sv.csqc_progname[0] = 0;
2874         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
2875
2876         if(progsize > 0)
2877         {
2878                 size_t deflated_size;
2879
2880                 sv.csqc_progsize = (int)progsize;
2881                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
2882                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
2883                 Con_Printf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
2884
2885                 Con_Print("Compressing csprogs.dat\n");
2886                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
2887                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
2888                 svs.csqc_progsize_deflated = (int)deflated_size;
2889                 if(svs.csqc_progdata_deflated)
2890                 {
2891                         Con_Printf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
2892                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
2893                 }
2894                 else
2895                         Con_Printf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
2896         }
2897 }
2898
2899 /*
2900 ================
2901 SV_SaveSpawnparms
2902
2903 Grabs the current state of each client for saving across the
2904 transition to another level
2905 ================
2906 */
2907 void SV_SaveSpawnparms (void)
2908 {
2909         int             i, j;
2910
2911         svs.serverflags = (int)prog->globals.server->serverflags;
2912
2913         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2914         {
2915                 if (!host_client->active)
2916                         continue;
2917
2918         // call the progs to get default spawn parms for the new client
2919                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
2920                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
2921                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
2922                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
2923         }
2924 }
2925
2926 /*
2927 ================
2928 SV_SpawnServer
2929
2930 This is called at the start of each level
2931 ================
2932 */
2933
2934 void SV_SpawnServer (const char *server)
2935 {
2936         prvm_edict_t *ent;
2937         int i;
2938         char *entities;
2939         dp_model_t *worldmodel;
2940         char modelname[sizeof(sv.modelname)];
2941
2942         Con_DPrintf("SpawnServer: %s\n", server);
2943
2944         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
2945
2946         if (!FS_FileExists(modelname))
2947         {
2948                 Con_Printf("SpawnServer: no map file named %s\n", modelname);
2949                 return;
2950         }
2951
2952         if (cls.state != ca_dedicated)
2953         {
2954                 SCR_BeginLoadingPlaque();
2955                 S_StopAllSounds();
2956         }
2957
2958         if(sv.active)
2959         {
2960                 SV_VM_Begin();
2961                 World_End(&sv.world);
2962                 if(prog->funcoffsets.SV_Shutdown)
2963                 {
2964                         func_t s = prog->funcoffsets.SV_Shutdown;
2965                         prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
2966                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
2967                 }
2968                 SV_VM_End();
2969         }
2970
2971         // free q3 shaders so that any newly downloaded shaders will be active
2972         Mod_FreeQ3Shaders();
2973
2974         worldmodel = Mod_ForName(modelname, false, true, NULL);
2975         if (!worldmodel || !worldmodel->TraceBox)
2976         {
2977                 Con_Printf("Couldn't load map %s\n", modelname);
2978                 return;
2979         }
2980
2981         // let's not have any servers with no name
2982         if (hostname.string[0] == 0)
2983                 Cvar_Set ("hostname", "UNNAMED");
2984         scr_centertime_off = 0;
2985
2986         svs.changelevel_issued = false;         // now safe to issue another
2987
2988         // make the map a required file for clients
2989         Curl_ClearRequirements();
2990         Curl_RequireFile(modelname);
2991
2992 //
2993 // tell all connected clients that we are going to a new level
2994 //
2995         if (sv.active)
2996         {
2997                 client_t *client;
2998                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2999                 {
3000                         if (client->netconnection)
3001                         {
3002                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3003                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3004                         }
3005                 }
3006         }
3007         else
3008         {
3009                 // open server port
3010                 NetConn_OpenServerPorts(true);
3011         }
3012
3013 //
3014 // make cvars consistant
3015 //
3016         if (coop.integer)
3017                 Cvar_SetValue ("deathmatch", 0);
3018         // LordHavoc: it can be useful to have skills outside the range 0-3...
3019         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3020         //Cvar_SetValue ("skill", (float)current_skill);
3021         current_skill = (int)(skill.value + 0.5);
3022
3023 //
3024 // set up the new server
3025 //
3026         memset (&sv, 0, sizeof(sv));
3027         // if running a local client, make sure it doesn't try to access the last
3028         // level's data which is no longer valiud
3029         cls.signon = 0;
3030
3031         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3032
3033         if(*sv_random_seed.string)
3034         {
3035                 srand(sv_random_seed.integer);
3036                 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);
3037         }
3038
3039         SV_VM_Setup();
3040
3041         sv.active = true;
3042
3043         strlcpy (sv.name, server, sizeof (sv.name));
3044
3045         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3046         if (sv.protocol == PROTOCOL_UNKNOWN)
3047         {
3048                 char buffer[1024];
3049                 Protocol_Names(buffer, sizeof(buffer));
3050                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3051                 sv.protocol = PROTOCOL_QUAKE;
3052         }
3053
3054         SV_VM_Begin();
3055
3056 // load progs to get entity field count
3057         //PR_LoadProgs ( sv_progs.string );
3058
3059         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3060         sv.datagram.cursize = 0;
3061         sv.datagram.data = sv.datagram_buf;
3062
3063         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3064         sv.reliable_datagram.cursize = 0;
3065         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3066
3067         sv.signon.maxsize = sizeof(sv.signon_buf);
3068         sv.signon.cursize = 0;
3069         sv.signon.data = sv.signon_buf;
3070
3071 // leave slots at start for clients only
3072         //prog->num_edicts = svs.maxclients+1;
3073
3074         sv.state = ss_loading;
3075         prog->allowworldwrites = true;
3076         sv.paused = false;
3077
3078         prog->globals.server->time = sv.time = 1.0;
3079
3080         Mod_ClearUsed();
3081         worldmodel->used = true;
3082
3083         strlcpy (sv.name, server, sizeof (sv.name));
3084         strlcpy(sv.modelname, modelname, sizeof(sv.modelname));
3085         sv.worldmodel = worldmodel;
3086         sv.models[1] = sv.worldmodel;
3087
3088 //
3089 // clear world interaction links
3090 //
3091         World_SetSize(&sv.world, sv.worldmodel->name, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
3092         World_Start(&sv.world);
3093
3094         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3095
3096         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3097         strlcpy(sv.model_precache[1], sv.modelname, sizeof(sv.model_precache[1]));
3098         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3099         {
3100                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3101                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.modelname);
3102         }
3103         if(i < sv.worldmodel->brush.numsubmodels)
3104                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3105
3106 //
3107 // load the rest of the entities
3108 //
3109         // AK possible hack since num_edicts is still 0
3110         ent = PRVM_EDICT_NUM(0);
3111         memset (ent->fields.server, 0, prog->progs->entityfields * 4);
3112         ent->priv.server->free = false;
3113         ent->fields.server->model = PRVM_SetEngineString(sv.modelname);
3114         ent->fields.server->modelindex = 1;             // world model
3115         ent->fields.server->solid = SOLID_BSP;
3116         ent->fields.server->movetype = MOVETYPE_PUSH;
3117         VectorCopy(sv.world.mins, ent->fields.server->mins);
3118         VectorCopy(sv.world.maxs, ent->fields.server->maxs);
3119         VectorCopy(sv.world.mins, ent->fields.server->absmin);
3120         VectorCopy(sv.world.maxs, ent->fields.server->absmax);
3121
3122         if (coop.value)
3123                 prog->globals.server->coop = coop.integer;
3124         else
3125                 prog->globals.server->deathmatch = deathmatch.integer;
3126
3127         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
3128
3129 // serverflags are for cross level information (sigils)
3130         prog->globals.server->serverflags = svs.serverflags;
3131
3132         // we need to reset the spawned flag on all connected clients here so that
3133         // their thinks don't run during startup (before PutClientInServer)
3134         // we also need to set up the client entities now
3135         // and we need to set the ->edict pointers to point into the progs edicts
3136         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3137         {
3138                 host_client->spawned = false;
3139                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3140                 PRVM_ED_ClearEdict(host_client->edict);
3141         }
3142
3143         // load replacement entity file if found
3144         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true, NULL)))
3145         {
3146                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
3147                 PRVM_ED_LoadFromFile (entities);
3148                 Mem_Free(entities);
3149         }
3150         else
3151                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
3152
3153
3154         // LordHavoc: clear world angles (to fix e3m3.bsp)
3155         VectorClear(prog->edicts->fields.server->angles);
3156
3157 // all setup is completed, any further precache statements are errors
3158 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3159         prog->allowworldwrites = false;
3160
3161 // run two frames to allow everything to settle
3162         prog->globals.server->time = sv.time = 1.0001;
3163         for (i = 0;i < 2;i++)
3164         {
3165                 sv.frametime = 0.1;
3166                 SV_Physics ();
3167         }
3168
3169         if (cls.state == ca_dedicated)
3170                 Mod_PurgeUnused();
3171
3172 // create a baseline for more efficient communications
3173         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)
3174                 SV_CreateBaseline ();
3175
3176         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3177
3178         // to prevent network timeouts
3179         realtime = Sys_DoubleTime();
3180
3181 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3182         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3183         {
3184                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3185                 if (!host_client->active)
3186                         continue;
3187                 if (host_client->netconnection)
3188                         SV_SendServerinfo(host_client);
3189                 else
3190                 {
3191                         int j;
3192                         // if client is a botclient coming from a level change, we need to
3193                         // set up client info that normally requires networking
3194
3195                         // copy spawn parms out of the client_t
3196                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3197                                 (&prog->globals.server->parm1)[j] = host_client->spawn_parms[j];
3198
3199                         // call the spawn function
3200                         host_client->clientconnectcalled = true;
3201                         prog->globals.server->time = sv.time;
3202                         prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3203                         PRVM_ExecuteProgram (prog->globals.server->ClientConnect, "QC function ClientConnect is missing");
3204                         PRVM_ExecuteProgram (prog->globals.server->PutClientInServer, "QC function PutClientInServer is missing");
3205                         host_client->spawned = true;
3206                 }
3207         }
3208
3209         Con_DPrint("Server spawned.\n");
3210         NetConn_Heartbeat (2);
3211
3212         SV_VM_End();
3213 }
3214
3215 /////////////////////////////////////////////////////
3216 // SV VM stuff
3217
3218 static void SV_VM_CB_BeginIncreaseEdicts(void)
3219 {
3220         // links don't survive the transition, so unlink everything
3221         World_UnlinkAll(&sv.world);
3222 }
3223
3224 static void SV_VM_CB_EndIncreaseEdicts(void)
3225 {
3226         int i;
3227         prvm_edict_t *ent;
3228
3229         // link every entity except world
3230         for (i = 1, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
3231                 if (!ent->priv.server->free)
3232                         SV_LinkEdict(ent);
3233 }
3234
3235 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3236 {
3237         // LordHavoc: for consistency set these here
3238         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3239
3240         e->priv.server->move = false; // don't move on first frame
3241
3242         if (num >= 0 && num < svs.maxclients)
3243         {
3244                 prvm_eval_t *val;
3245                 // set colormap and team on newly created player entity
3246                 e->fields.server->colormap = num + 1;
3247                 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
3248                 // set netname/clientcolors back to client values so that
3249                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3250                 // reset them
3251                 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
3252                 if ((val = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.clientcolors)))
3253                         val->_float = svs.clients[num].colors;
3254                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3255                 if( prog->fieldoffsets.playermodel >= 0 )
3256                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(svs.clients[num].playermodel);
3257                 if( prog->fieldoffsets.playerskin >= 0 )
3258                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(svs.clients[num].playerskin);
3259                 // Assign netaddress (IP Address, etc)
3260                 if(prog->fieldoffsets.netaddress >= 0)
3261                 { // Valid Field; Process
3262                         if(svs.clients[num].netconnection != NULL)
3263                         {// Valid Address; Assign
3264                                 // Acquire Readable Address
3265                                 LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3266                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString(svs.clients[num].netaddress);
3267                         }
3268                         else
3269                                 // Invalid / Bot
3270                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString("null/botclient");
3271                 }
3272         }
3273 }
3274
3275 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3276 {
3277         int i;
3278         int e;
3279
3280         World_UnlinkEdict(ed);          // unlink from world bsp
3281
3282         ed->fields.server->model = 0;
3283         ed->fields.server->takedamage = 0;
3284         ed->fields.server->modelindex = 0;
3285         ed->fields.server->colormap = 0;
3286         ed->fields.server->skin = 0;
3287         ed->fields.server->frame = 0;
3288         VectorClear(ed->fields.server->origin);
3289         VectorClear(ed->fields.server->angles);
3290         ed->fields.server->nextthink = -1;
3291         ed->fields.server->solid = 0;
3292
3293         World_Physics_RemoveFromEntity(&sv.world, ed);
3294
3295         // make sure csqc networking is aware of the removed entity
3296         e = PRVM_NUM_FOR_EDICT(ed);
3297         sv.csqcentityversion[e] = 0;
3298         for (i = 0;i < svs.maxclients;i++)
3299         {
3300                 if (svs.clients[i].csqcentityscope[e])
3301                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3302                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3303         }
3304 }
3305
3306 static void SV_VM_CB_CountEdicts(void)
3307 {
3308         int             i;
3309         prvm_edict_t    *ent;
3310         int             active, models, solid, step;
3311
3312         active = models = solid = step = 0;
3313         for (i=0 ; i<prog->num_edicts ; i++)
3314         {
3315                 ent = PRVM_EDICT_NUM(i);
3316                 if (ent->priv.server->free)
3317                         continue;
3318                 active++;
3319                 if (ent->fields.server->solid)
3320                         solid++;
3321                 if (ent->fields.server->model)
3322                         models++;
3323                 if (ent->fields.server->movetype == MOVETYPE_STEP)
3324                         step++;
3325         }
3326
3327         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3328         Con_Printf("active    :%3i\n", active);
3329         Con_Printf("view      :%3i\n", models);
3330         Con_Printf("touch     :%3i\n", solid);
3331         Con_Printf("step      :%3i\n", step);
3332 }
3333
3334 static qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
3335 {
3336         // remove things from different skill levels or deathmatch
3337         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3338         {
3339                 if (deathmatch.integer)
3340                 {
3341                         if (((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
3342                         {
3343                                 return false;
3344                         }
3345                 }
3346                 else if ((current_skill <= 0 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_EASY  ))
3347                         || (current_skill == 1 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_MEDIUM))
3348                         || (current_skill >= 2 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_HARD  )))
3349                 {
3350                         return false;
3351                 }
3352         }
3353         return true;
3354 }
3355
3356 static void SV_VM_Setup(void)
3357 {
3358         PRVM_Begin;
3359         PRVM_InitProg( PRVM_SERVERPROG );
3360
3361         // allocate the mempools
3362         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3363         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3364         prog->builtins = vm_sv_builtins;
3365         prog->numbuiltins = vm_sv_numbuiltins;
3366         prog->headercrc = PROGHEADER_CRC;
3367         prog->headercrc2 = PROGHEADER_CRC_TENEBRAE;
3368         prog->max_edicts = 512;
3369         if (sv.protocol == PROTOCOL_QUAKE)
3370                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3371         else if (sv.protocol == PROTOCOL_QUAKEDP)
3372                 prog->limit_edicts = 2048; // guessing
3373         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3374                 prog->limit_edicts = 2048; // guessing!
3375         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3376                 prog->limit_edicts = 4096; // guessing!
3377         else
3378                 prog->limit_edicts = MAX_EDICTS;
3379         prog->reserved_edicts = svs.maxclients;
3380         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3381         prog->name = "server";
3382         prog->extensionstring = vm_sv_extensions;
3383         prog->loadintoworld = true;
3384
3385         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
3386         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
3387         prog->init_edict = SV_VM_CB_InitEdict;
3388         prog->free_edict = SV_VM_CB_FreeEdict;
3389         prog->count_edicts = SV_VM_CB_CountEdicts;
3390         prog->load_edict = SV_VM_CB_LoadEdict;
3391         prog->init_cmd = VM_SV_Cmd_Init;
3392         prog->reset_cmd = VM_SV_Cmd_Reset;
3393         prog->error_cmd = Host_Error;
3394         prog->ExecuteProgram = SVVM_ExecuteProgram;
3395
3396         // TODO: add a requiredfuncs list (ask LH if this is necessary at all)
3397         PRVM_LoadProgs( sv_progs.string, 0, NULL, REQFIELDS, reqfields, 0, NULL );
3398
3399         // some mods compiled with scrambling compilers lack certain critical
3400         // global names and field names such as "self" and "time" and "nextthink"
3401         // so we have to set these offsets manually, matching the entvars_t
3402         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3403         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3404         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3405         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3406         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3407         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3408         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3409         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3410         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3411         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3412         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3413         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3414         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3415         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3416         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3417         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3418         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3419         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3420         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3421         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3422         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3423         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3424         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3425         // OP_STATE is always supported on server (due to entvars_t)
3426         prog->flag |= PRVM_OP_STATE;
3427
3428         VM_CustomStats_Clear();//[515]: csqc
3429
3430         PRVM_End;
3431
3432         SV_Prepare_CSQC();
3433 }
3434
3435 void SV_VM_Begin(void)
3436 {
3437         PRVM_Begin;
3438         PRVM_SetProg( PRVM_SERVERPROG );
3439
3440         prog->globals.server->time = (float) sv.time;
3441 }
3442
3443 void SV_VM_End(void)
3444 {
3445         PRVM_End;
3446 }