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", "128", "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", "2", "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_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
  96 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
  97 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"};
  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_nudgeoutofsolid = {0, "sv_gameplayfix_nudgeoutofsolid", "1", "attempts to fix physics errors (where an object ended up in solid for some reason)"};
 101 cvar_t sv_gameplayfix_nudgeoutofsolid_bias = {0, "sv_gameplayfix_nudgeoutofsolid_bias", "0", "over-correction on nudgeoutofsolid logic, to prevent constant contact"};
 102 cvar_t sv_gameplayfix_q2airaccelerate = {0, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
 103 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"};
 104 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"};
 105 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)"};
 106 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)"};
 107 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"};
 108 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"};
 109 cvar_t sv_gameplayfix_downtracesupportsongroundflag = {0, "sv_gameplayfix_downtracesupportsongroundflag", "1", "prevents very short moves from clearing onground (which may make the player stick to the floor at high netfps)"};
 110 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 111 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 112 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
 113 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 114 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)"};
 115 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 116 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 117 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 118 cvar_t sv_newflymove = {CVAR_NOTIFY, "sv_newflymove", "0", "enables simpler/buggier player physics (not recommended)"};
 119 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 120 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 121 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 122 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 123 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"};
 124 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)"};
 125 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)"};
 126 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)"};
 127 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 128 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 129 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 130 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"};
 131 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"};
 132 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 133 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)"};
 134 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 135 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)"};
 136 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"};
 137 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
 138 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"};
 139 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"};
 140 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 141
 142 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 143 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 144 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 145 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 146 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 147 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 148 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 149 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 150 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 151 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)"};
 152
 153 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 154 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 155 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 156 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 157 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 158 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 159 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 160 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 161 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 162 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 163 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 164 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 165 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 166 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 167 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 168 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 169 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 170 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 171 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 172 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 173 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 174
 175 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)"};
 176 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)" };
 177
 178 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 179
 180 server_t sv;
 181 server_static_t svs;
 182
 183 mempool_t *sv_mempool = NULL;
 184
 185 extern cvar_t slowmo;
 186 extern float            scr_centertime_off;
 187
 188 // MUST match effectnameindex_t in client.h
 189 static const char *standardeffectnames[EFFECT_TOTAL] =
 190 {
 191         "",
 192         "TE_GUNSHOT",
 193         "TE_GUNSHOTQUAD",
 194         "TE_SPIKE",
 195         "TE_SPIKEQUAD",
 196         "TE_SUPERSPIKE",
 197         "TE_SUPERSPIKEQUAD",
 198         "TE_WIZSPIKE",
 199         "TE_KNIGHTSPIKE",
 200         "TE_EXPLOSION",
 201         "TE_EXPLOSIONQUAD",
 202         "TE_TAREXPLOSION",
 203         "TE_TELEPORT",
 204         "TE_LAVASPLASH",
 205         "TE_SMALLFLASH",
 206         "TE_FLAMEJET",
 207         "EF_FLAME",
 208         "TE_BLOOD",
 209         "TE_SPARK",
 210         "TE_PLASMABURN",
 211         "TE_TEI_G3",
 212         "TE_TEI_SMOKE",
 213         "TE_TEI_BIGEXPLOSION",
 214         "TE_TEI_PLASMAHIT",
 215         "EF_STARDUST",
 216         "TR_ROCKET",
 217         "TR_GRENADE",
 218         "TR_BLOOD",
 219         "TR_WIZSPIKE",
 220         "TR_SLIGHTBLOOD",
 221         "TR_KNIGHTSPIKE",
 222         "TR_VORESPIKE",
 223         "TR_NEHAHRASMOKE",
 224         "TR_NEXUIZPLASMA",
 225         "TR_GLOWTRAIL",
 226         "SVC_PARTICLE"
 227 };
 228
 229 #define REQFIELDS (sizeof(reqfields) / sizeof(prvm_required_field_t))
 230
 231 prvm_required_field_t reqfields[] =
 232 {
 233         {ev_entity, "cursor_trace_ent"},
 234         {ev_entity, "drawonlytoclient"},
 235         {ev_entity, "exteriormodeltoclient"},
 236         {ev_entity, "nodrawtoclient"},
 237         {ev_entity, "tag_entity"},
 238         {ev_entity, "viewmodelforclient"},
 239         {ev_float, "SendFlags"},
 240         {ev_float, "Version"},
 241         {ev_float, "alpha"},
 242         {ev_float, "ammo_cells1"},
 243         {ev_float, "ammo_lava_nails"},
 244         {ev_float, "ammo_multi_rockets"},
 245         {ev_float, "ammo_nails1"},
 246         {ev_float, "ammo_plasma"},
 247         {ev_float, "ammo_rockets1"},
 248         {ev_float, "ammo_shells1"},
 249         {ev_float, "button3"},
 250         {ev_float, "button4"},
 251         {ev_float, "button5"},
 252         {ev_float, "button6"},
 253         {ev_float, "button7"},
 254         {ev_float, "button8"},
 255         {ev_float, "button9"},
 256         {ev_float, "button10"},
 257         {ev_float, "button11"},
 258         {ev_float, "button12"},
 259         {ev_float, "button13"},
 260         {ev_float, "button14"},
 261         {ev_float, "button15"},
 262         {ev_float, "button16"},
 263         {ev_float, "buttonchat"},
 264         {ev_float, "buttonuse"},
 265         {ev_float, "clientcolors"},
 266         {ev_float, "cursor_active"},
 267         {ev_float, "disableclientprediction"},
 268         {ev_float, "fullbright"},
 269         {ev_float, "glow_color"},
 270         {ev_float, "glow_size"},
 271         {ev_float, "glow_trail"},
 272         {ev_float, "gravity"},
 273         {ev_float, "idealpitch"},
 274         {ev_float, "items2"},
 275         {ev_float, "light_lev"},
 276         {ev_float, "modelflags"},
 277         {ev_float, "pflags"},
 278         {ev_float, "ping"},
 279         {ev_float, "pitch_speed"},
 280         {ev_float, "pmodel"},
 281         {ev_float, "renderamt"}, // HalfLife support
 282         {ev_float, "rendermode"}, // HalfLife support
 283         {ev_float, "scale"},
 284         {ev_float, "style"},
 285         {ev_float, "tag_index"},
 286         {ev_float, "viewzoom"},
 287         {ev_function, "SendEntity"},
 288         {ev_function, "contentstransition"}, // DRESK - Support for Entity Contents Transition Event
 289         {ev_function, "customizeentityforclient"},
 290         {ev_function, "movetypesteplandevent"}, // DRESK - Support for MOVETYPE_STEP Entity Land Event
 291         {ev_string, "netaddress"},
 292         {ev_string, "playermodel"},
 293         {ev_string, "playerskin"},
 294         {ev_vector, "color"},
 295         {ev_vector, "colormod"},
 296         {ev_vector, "cursor_screen"},
 297         {ev_vector, "cursor_trace_endpos"},
 298         {ev_vector, "cursor_trace_start"},
 299         {ev_vector, "glowmod"},
 300         {ev_vector, "movement"},
 301         {ev_vector, "punchvector"},
 302
 303         // physics
 304         //{ev_float, "solid"},
 305         //{ev_float, "movetype"},
 306         //{ev_float, "modelindex"},
 307         {ev_vector, "mass"},
 308         //{ev_vector, "origin"},
 309         //{ev_vector, "velocity"},
 310         //{ev_vector, "axis_forward"},
 311         //{ev_vector, "axis_left"},
 312         //{ev_vector, "axis_up"},
 313         //{ev_vector, "spinvelocity"},
 314         //{ev_vector, "angles"},
 315         //{ev_vector, "avelocity"},
 316
 317 };
 318
 319
 320
 321 //============================================================================
 322
 323 void SV_AreaStats_f(void)
 324 {
 325         World_PrintAreaStats(&sv.world, "server");
 326 }
 327
 328 /*
 329 ===============
 330 SV_Init
 331 ===============
 332 */
 333 void SV_Init (void)
 334 {
 335         // init the csqc progs cvars, since they are updated/used by the server code
 336         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 337         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 338         extern cvar_t csqc_progcrc;
 339         extern cvar_t csqc_progsize;
 340         Cvar_RegisterVariable (&csqc_progname);
 341         Cvar_RegisterVariable (&csqc_progcrc);
 342         Cvar_RegisterVariable (&csqc_progsize);
 343
 344         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 345         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 346         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 347         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
 348
 349         Cvar_RegisterVariable (&coop);
 350         Cvar_RegisterVariable (&deathmatch);
 351         Cvar_RegisterVariable (&fraglimit);
 352         Cvar_RegisterVariable (&gamecfg);
 353         Cvar_RegisterVariable (&noexit);
 354         Cvar_RegisterVariable (&nomonsters);
 355         Cvar_RegisterVariable (&pausable);
 356         Cvar_RegisterVariable (&pr_checkextension);
 357         Cvar_RegisterVariable (&samelevel);
 358         Cvar_RegisterVariable (&skill);
 359         Cvar_RegisterVariable (&slowmo);
 360         Cvar_RegisterVariable (&sv_accelerate);
 361         Cvar_RegisterVariable (&sv_aim);
 362         Cvar_RegisterVariable (&sv_airaccel_qw);
 363         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 364         Cvar_RegisterVariable (&sv_airaccelerate);
 365         Cvar_RegisterVariable (&sv_airstopaccelerate);
 366         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 367         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 368         Cvar_RegisterVariable (&sv_aircontrol);
 369         Cvar_RegisterVariable (&sv_allowdownloads);
 370         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 371         Cvar_RegisterVariable (&sv_allowdownloads_config);
 372         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 373         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 374         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 375         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 376         Cvar_RegisterVariable (&sv_clmovement_enable);
 377         Cvar_RegisterVariable (&sv_clmovement_minping);
 378         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 379         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 380         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 381         Cvar_RegisterVariable (&sv_cullentities_pvs);
 382         Cvar_RegisterVariable (&sv_cullentities_stats);
 383         Cvar_RegisterVariable (&sv_cullentities_trace);
 384         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 385         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 386         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 387         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
 388         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 389         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
 390         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 391         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 392         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 393         Cvar_RegisterVariable (&sv_debugmove);
 394         Cvar_RegisterVariable (&sv_echobprint);
 395         Cvar_RegisterVariable (&sv_edgefriction);
 396         Cvar_RegisterVariable (&sv_entpatch);
 397         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 398         Cvar_RegisterVariable (&sv_freezenonclients);
 399         Cvar_RegisterVariable (&sv_friction);
 400         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 401         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
 402         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 403         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 404         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 405         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 406         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 407         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 408         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 409         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 410         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 411         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 412         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
 413         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_bias);
 414         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 415         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 416         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 417         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 418         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
 419         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 420         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 421         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
 422         Cvar_RegisterVariable (&sv_gravity);
 423         Cvar_RegisterVariable (&sv_idealpitchscale);
 424         Cvar_RegisterVariable (&sv_jumpstep);
 425         Cvar_RegisterVariable (&sv_jumpvelocity);
 426         Cvar_RegisterVariable (&sv_maxairspeed);
 427         Cvar_RegisterVariable (&sv_maxrate);
 428         Cvar_RegisterVariable (&sv_maxspeed);
 429         Cvar_RegisterVariable (&sv_maxvelocity);
 430         Cvar_RegisterVariable (&sv_newflymove);
 431         Cvar_RegisterVariable (&sv_nostep);
 432         Cvar_RegisterVariable (&sv_playerphysicsqc);
 433         Cvar_RegisterVariable (&sv_progs);
 434         Cvar_RegisterVariable (&sv_protocolname);
 435         Cvar_RegisterVariable (&sv_random_seed);
 436         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
 437         Cvar_RegisterVariable (&sv_sound_land);
 438         Cvar_RegisterVariable (&sv_sound_watersplash);
 439         Cvar_RegisterVariable (&sv_stepheight);
 440         Cvar_RegisterVariable (&sv_stopspeed);
 441         Cvar_RegisterVariable (&sv_wallfriction);
 442         Cvar_RegisterVariable (&sv_wateraccelerate);
 443         Cvar_RegisterVariable (&sv_waterfriction);
 444         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 445         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 446         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 447         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 448         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 449         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 450         Cvar_RegisterVariable (&sys_ticrate);
 451         Cvar_RegisterVariable (&teamplay);
 452         Cvar_RegisterVariable (&timelimit);
 453
 454         Cvar_RegisterVariable (&saved1);
 455         Cvar_RegisterVariable (&saved2);
 456         Cvar_RegisterVariable (&saved3);
 457         Cvar_RegisterVariable (&saved4);
 458         Cvar_RegisterVariable (&savedgamecfg);
 459         Cvar_RegisterVariable (&scratch1);
 460         Cvar_RegisterVariable (&scratch2);
 461         Cvar_RegisterVariable (&scratch3);
 462         Cvar_RegisterVariable (&scratch4);
 463         Cvar_RegisterVariable (&temp1);
 464
 465         // LordHavoc: Nehahra uses these to pass data around cutscene demos
 466         if (gamemode == GAME_NEHAHRA)
 467         {
 468                 Cvar_RegisterVariable (&nehx00);
 469                 Cvar_RegisterVariable (&nehx01);
 470                 Cvar_RegisterVariable (&nehx02);
 471                 Cvar_RegisterVariable (&nehx03);
 472                 Cvar_RegisterVariable (&nehx04);
 473                 Cvar_RegisterVariable (&nehx05);
 474                 Cvar_RegisterVariable (&nehx06);
 475                 Cvar_RegisterVariable (&nehx07);
 476                 Cvar_RegisterVariable (&nehx08);
 477                 Cvar_RegisterVariable (&nehx09);
 478                 Cvar_RegisterVariable (&nehx10);
 479                 Cvar_RegisterVariable (&nehx11);
 480                 Cvar_RegisterVariable (&nehx12);
 481                 Cvar_RegisterVariable (&nehx13);
 482                 Cvar_RegisterVariable (&nehx14);
 483                 Cvar_RegisterVariable (&nehx15);
 484                 Cvar_RegisterVariable (&nehx16);
 485                 Cvar_RegisterVariable (&nehx17);
 486                 Cvar_RegisterVariable (&nehx18);
 487                 Cvar_RegisterVariable (&nehx19);
 488         }
 489         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 490
 491         Cvar_RegisterVariable (&sv_autodemo_perclient);
 492         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 493
 494         Cvar_RegisterVariable (&halflifebsp);
 495
 496         // any special defaults for gamemodes go here
 497         if (gamemode == GAME_NEHAHRA)
 498         {
 499                 // Nehahra pushable crates malfunction in some levels if this is on
 500                 Cvar_SetValueQuick (&sv_gameplayfix_upwardvelocityclearsongroundflag, 0);
 501                 // Nehahra NPC AI is confused by this feature
 502                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
 503         }
 504         if (gamemode == GAME_HIPNOTIC)
 505         {
 506                 // 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.
 507                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
 508                 // 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
 509                 Cvar_SetValueQuick (&sys_ticrate, 0.02);
 510                 // hipnotic mission pack has issues in their proximity mine sticking code, which causes them to bounce off.
 511                 Cvar_SetValueQuick (&sv_gameplayfix_slidemoveprojectiles, 0);
 512         }
 513         if (gamemode == GAME_ROGUE)
 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_findradiusdistancetobox, 0);
 517         }
 518         if (gamemode == GAME_NEXUIZ)
 519         {
 520                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
 521                 Cvar_SetValueQuick (&sv_gameplayfix_q2airaccelerate, 1);
 522         }
 523
 524         sv_mempool = Mem_AllocPool("server", 0, NULL);
 525 }
 526
 527 static void SV_SaveEntFile_f(void)
 528 {
 529         char basename[MAX_QPATH];
 530         if (!sv.active || !sv.worldmodel)
 531         {
 532                 Con_Print("Not running a server\n");
 533                 return;
 534         }
 535         FS_StripExtension(sv.worldmodel->name, basename, sizeof(basename));
 536         FS_WriteFile(va("%s.ent", basename), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 537 }
 538
 539
 540 /*
 541 =============================================================================
 542
 543 EVENT MESSAGES
 544
 545 =============================================================================
 546 */
 547
 548 /*
 549 ==================
 550 SV_StartParticle
 551
 552 Make sure the event gets sent to all clients
 553 ==================
 554 */
 555 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 556 {
 557         int i;
 558
 559         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 560                 return;
 561         MSG_WriteByte (&sv.datagram, svc_particle);
 562         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 563         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 564         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 565         for (i=0 ; i<3 ; i++)
 566                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 567         MSG_WriteByte (&sv.datagram, count);
 568         MSG_WriteByte (&sv.datagram, color);
 569         SV_FlushBroadcastMessages();
 570 }
 571
 572 /*
 573 ==================
 574 SV_StartEffect
 575
 576 Make sure the event gets sent to all clients
 577 ==================
 578 */
 579 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 580 {
 581         if (modelindex >= 256 || startframe >= 256)
 582         {
 583                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 584                         return;
 585                 MSG_WriteByte (&sv.datagram, svc_effect2);
 586                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 587                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 588                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 589                 MSG_WriteShort (&sv.datagram, modelindex);
 590                 MSG_WriteShort (&sv.datagram, startframe);
 591                 MSG_WriteByte (&sv.datagram, framecount);
 592                 MSG_WriteByte (&sv.datagram, framerate);
 593         }
 594         else
 595         {
 596                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 597                         return;
 598                 MSG_WriteByte (&sv.datagram, svc_effect);
 599                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 600                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 601                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 602                 MSG_WriteByte (&sv.datagram, modelindex);
 603                 MSG_WriteByte (&sv.datagram, startframe);
 604                 MSG_WriteByte (&sv.datagram, framecount);
 605                 MSG_WriteByte (&sv.datagram, framerate);
 606         }
 607         SV_FlushBroadcastMessages();
 608 }
 609
 610 /*
 611 ==================
 612 SV_StartSound
 613
 614 Each entity can have eight independant sound sources, like voice,
 615 weapon, feet, etc.
 616
 617 Channel 0 is an auto-allocate channel, the others override anything
 618 already running on that entity/channel pair.
 619
 620 An attenuation of 0 will play full volume everywhere in the level.
 621 Larger attenuations will drop off.  (max 4 attenuation)
 622
 623 ==================
 624 */
 625 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
 626 {
 627         int sound_num, field_mask, i, ent;
 628
 629         if (volume < 0 || volume > 255)
 630         {
 631                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
 632                 return;
 633         }
 634
 635         if (attenuation < 0 || attenuation > 4)
 636         {
 637                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 638                 return;
 639         }
 640
 641         if (channel < 0 || channel > 7)
 642         {
 643                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 644                 return;
 645         }
 646
 647         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 648                 return;
 649
 650 // find precache number for sound
 651         sound_num = SV_SoundIndex(sample, 1);
 652         if (!sound_num)
 653                 return;
 654
 655         ent = PRVM_NUM_FOR_EDICT(entity);
 656
 657         field_mask = 0;
 658         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 659                 field_mask |= SND_VOLUME;
 660         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 661                 field_mask |= SND_ATTENUATION;
 662         if (ent >= 8192)
 663                 field_mask |= SND_LARGEENTITY;
 664         if (sound_num >= 256 || channel >= 8)
 665                 field_mask |= SND_LARGESOUND;
 666
 667 // directed messages go only to the entity they are targeted on
 668         MSG_WriteByte (&sv.datagram, svc_sound);
 669         MSG_WriteByte (&sv.datagram, field_mask);
 670         if (field_mask & SND_VOLUME)
 671                 MSG_WriteByte (&sv.datagram, volume);
 672         if (field_mask & SND_ATTENUATION)
 673                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 674         if (field_mask & SND_LARGEENTITY)
 675         {
 676                 MSG_WriteShort (&sv.datagram, ent);
 677                 MSG_WriteByte (&sv.datagram, channel);
 678         }
 679         else
 680                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
 681         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 682                 MSG_WriteShort (&sv.datagram, sound_num);
 683         else
 684                 MSG_WriteByte (&sv.datagram, sound_num);
 685         for (i = 0;i < 3;i++)
 686                 MSG_WriteCoord (&sv.datagram, entity->fields.server->origin[i]+0.5*(entity->fields.server->mins[i]+entity->fields.server->maxs[i]), sv.protocol);
 687         SV_FlushBroadcastMessages();
 688 }
 689
 690 /*
 691 ==================
 692 SV_StartPointSound
 693
 694 Nearly the same logic as SV_StartSound, except an origin
 695 instead of an entity is provided and channel is omitted.
 696
 697 The entity sent to the client is 0 (world) and the channel
 698 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 699 function, therefore the check for it is omitted.
 700
 701 ==================
 702 */
 703 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation)
 704 {
 705         int sound_num, field_mask, i;
 706
 707         if (volume < 0 || volume > 255)
 708         {
 709                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
 710                 return;
 711         }
 712
 713         if (attenuation < 0 || attenuation > 4)
 714         {
 715                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 716                 return;
 717         }
 718
 719         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 720                 return;
 721
 722         // find precache number for sound
 723         sound_num = SV_SoundIndex(sample, 1);
 724         if (!sound_num)
 725                 return;
 726
 727         field_mask = 0;
 728         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 729                 field_mask |= SND_VOLUME;
 730         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 731                 field_mask |= SND_ATTENUATION;
 732         if (sound_num >= 256)
 733                 field_mask |= SND_LARGESOUND;
 734
 735 // directed messages go only to the entity they are targeted on
 736         MSG_WriteByte (&sv.datagram, svc_sound);
 737         MSG_WriteByte (&sv.datagram, field_mask);
 738         if (field_mask & SND_VOLUME)
 739                 MSG_WriteByte (&sv.datagram, volume);
 740         if (field_mask & SND_ATTENUATION)
 741                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 742         // Always write entnum 0 for the world entity
 743         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 744         if (field_mask & SND_LARGESOUND)
 745                 MSG_WriteShort (&sv.datagram, sound_num);
 746         else
 747                 MSG_WriteByte (&sv.datagram, sound_num);
 748         for (i = 0;i < 3;i++)
 749                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 750         SV_FlushBroadcastMessages();
 751 }
 752
 753 /*
 754 ==============================================================================
 755
 756 CLIENT SPAWNING
 757
 758 ==============================================================================
 759 */
 760
 761 /*
 762 ================
 763 SV_SendServerinfo
 764
 765 Sends the first message from the server to a connected client.
 766 This will be sent on the initial connection and upon each server load.
 767 ================
 768 */
 769 void SV_SendServerinfo (client_t *client)
 770 {
 771         int i;
 772         char message[128];
 773
 774         // we know that this client has a netconnection and thus is not a bot
 775
 776         // edicts get reallocated on level changes, so we need to update it here
 777         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 778
 779         // clear cached stuff that depends on the level
 780         client->weaponmodel[0] = 0;
 781         client->weaponmodelindex = 0;
 782
 783         // LordHavoc: clear entityframe tracking
 784         client->latestframenum = 0;
 785
 786         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 787         client->cmd.time = sv.time;
 788
 789         if (client->entitydatabase)
 790                 EntityFrame_FreeDatabase(client->entitydatabase);
 791         if (client->entitydatabase4)
 792                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 793         if (client->entitydatabase5)
 794                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 795
 796         memset(client->stats, 0, sizeof(client->stats));
 797         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 798
 799         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)
 800         {
 801                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 802                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 803                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 804                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 805                 else
 806                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 807         }
 808
 809         // reset csqc entity versions
 810         for (i = 0;i < prog->max_edicts;i++)
 811         {
 812                 client->csqcentityscope[i] = 0;
 813                 client->csqcentitysendflags[i] = 0xFFFFFF;
 814                 client->csqcentityglobalhistory[i] = 0;
 815         }
 816         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 817         {
 818                 client->csqcentityframehistory[i].num = 0;
 819                 client->csqcentityframehistory[i].framenum = -1;
 820         }
 821         client->csqcnumedicts = 0;
 822         client->csqcentityframehistory_next = 0;
 823
 824         SZ_Clear (&client->netconnection->message);
 825         MSG_WriteByte (&client->netconnection->message, svc_print);
 826         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
 827         MSG_WriteString (&client->netconnection->message,message);
 828
 829         SV_StopDemoRecording(client); // to split up demos into different files
 830         if(sv_autodemo_perclient.integer && client->netconnection)
 831         {
 832                 char demofile[MAX_OSPATH];
 833                 char levelname[MAX_QPATH];
 834                 char ipaddress[MAX_QPATH];
 835                 size_t i;
 836
 837                 // start a new demo file
 838                 strlcpy(levelname, FS_FileWithoutPath(sv.worldmodel->name), sizeof(levelname));
 839                 if (strrchr(levelname, '.'))
 840                         *(strrchr(levelname, '.')) = 0;
 841
 842                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 843                 for(i = 0; ipaddress[i]; ++i)
 844                         if(!isalnum(ipaddress[i]))
 845                                 ipaddress[i] = '-';
 846                 dpsnprintf (demofile, sizeof(demofile), "%s_%s_%d_%s.dem", Sys_TimeString (sv_autodemo_perclient_nameformat.string), levelname, PRVM_NUM_FOR_EDICT(client->edict), ipaddress);
 847
 848                 SV_StartDemoRecording(client, demofile, -1);
 849         }
 850
 851         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 852         if (sv.csqc_progname[0])
 853         {
 854                 prvm_eval_t *val;
 855                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 856                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 857                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
 858                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 859                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
 860                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 861                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
 862
 863                 if(client->sv_demo_file != NULL)
 864                 {
 865                         int i;
 866                         char buf[NET_MAXMESSAGE];
 867                         sizebuf_t sb;
 868
 869                         sb.data = (unsigned char *) buf;
 870                         sb.maxsize = sizeof(buf);
 871                         i = 0;
 872                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
 873                                 SV_WriteDemoMessage(client, &sb, false);
 874                 }
 875
 876                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 877                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.SV_InitCmd);
 878                 if (val)
 879                 {
 880                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 881                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(val->string)));
 882                 }
 883         }
 884
 885         //if (sv_allowdownloads.integer)
 886         // always send the info that the server supports the protocol, even if downloads are forbidden
 887         // only because of that, the CSQC exception can work
 888         {
 889                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 890                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
 891         }
 892
 893         // send at this time so it's guaranteed to get executed at the right time
 894         {
 895                 client_t *save;
 896                 save = host_client;
 897                 host_client = client;
 898                 Curl_SendRequirements();
 899                 host_client = save;
 900         }
 901
 902         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
 903         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
 904         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
 905
 906         if (!coop.integer && deathmatch.integer)
 907                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
 908         else
 909                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
 910
 911         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog->edicts->fields.server->message));
 912
 913         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
 914                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
 915         MSG_WriteByte (&client->netconnection->message, 0);
 916
 917         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
 918                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
 919         MSG_WriteByte (&client->netconnection->message, 0);
 920
 921 // send music
 922         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
 923         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
 924         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
 925
 926 // set view
 927 // store this in clientcamera, too
 928         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
 929         MSG_WriteByte (&client->netconnection->message, svc_setview);
 930         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
 931
 932         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
 933         MSG_WriteByte (&client->netconnection->message, 1);
 934
 935         client->spawned = false;                // need prespawn, spawn, etc
 936         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
 937
 938         // clear movement info until client enters the new level properly
 939         memset(&client->cmd, 0, sizeof(client->cmd));
 940         client->movesequence = 0;
 941         client->movement_highestsequence_seen = 0;
 942         memset(&client->movement_count, 0, sizeof(client->movement_count));
 943 #ifdef NUM_PING_TIMES
 944         for (i = 0;i < NUM_PING_TIMES;i++)
 945                 client->ping_times[i] = 0;
 946         client->num_pings = 0;
 947 #endif
 948         client->ping = 0;
 949
 950         // allow the client some time to send his keepalives, even if map loading took ages
 951         client->netconnection->timeout = realtime + net_connecttimeout.value;
 952 }
 953
 954 /*
 955 ================
 956 SV_ConnectClient
 957
 958 Initializes a client_t for a new net connection.  This will only be called
 959 once for a player each game, not once for each level change.
 960 ================
 961 */
 962 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
 963 {
 964         client_t                *client;
 965         int                             i;
 966         float                   spawn_parms[NUM_SPAWN_PARMS];
 967
 968         client = svs.clients + clientnum;
 969
 970 // set up the client_t
 971         if (sv.loadgame)
 972                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
 973         memset (client, 0, sizeof(*client));
 974         client->active = true;
 975         client->netconnection = netconnection;
 976
 977         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
 978
 979         strlcpy(client->name, "unconnected", sizeof(client->name));
 980         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
 981         client->spawned = false;
 982         client->edict = PRVM_EDICT_NUM(clientnum+1);
 983         if (client->netconnection)
 984                 client->netconnection->message.allowoverflow = true;            // we can catch it
 985         // prepare the unreliable message buffer
 986         client->unreliablemsg.data = client->unreliablemsg_data;
 987         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
 988         // updated by receiving "rate" command from client, this is also the default if not using a DP client
 989         client->rate = 1000000000;
 990         // no limits for local player
 991         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
 992                 client->rate = 1000000000;
 993         client->connecttime = realtime;
 994
 995         if (sv.loadgame)
 996                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
 997         else
 998         {
 999                 // call the progs to get default spawn parms for the new client
1000                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1001                 prog->globals.server->self = 0;
1002                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
1003                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1004                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
1005
1006                 // set up the entity for this client (including .colormap, .team, etc)
1007                 PRVM_ED_ClearEdict(client->edict);
1008         }
1009
1010         // don't call SendServerinfo for a fresh botclient because its fields have
1011         // not been set up by the qc yet
1012         if (client->netconnection)
1013                 SV_SendServerinfo (client);
1014         else
1015                 client->spawned = true;
1016 }
1017
1018
1019 /*
1020 ===============================================================================
1021
1022 FRAME UPDATES
1023
1024 ===============================================================================
1025 */
1026
1027 /*
1028 =============================================================================
1029
1030 The PVS must include a small area around the client to allow head bobbing
1031 or other small motion on the client side.  Otherwise, a bob might cause an
1032 entity that should be visible to not show up, especially when the bob
1033 crosses a waterline.
1034
1035 =============================================================================
1036 */
1037
1038 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1039 {
1040         int i;
1041         unsigned int sendflags;
1042         unsigned int version;
1043         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1044         unsigned int customizeentityforclient;
1045         unsigned int sendentity;
1046         float f;
1047         vec3_t cullmins, cullmaxs;
1048         dp_model_t *model;
1049         prvm_eval_t *val, *val2;
1050
1051         // fast path for games that do not use legacy entity networking
1052         // note: still networks clients even if they are legacy
1053         sendentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendEntity)->function;
1054         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1055                 return false;
1056
1057         // this 2 billion unit check is actually to detect NAN origins
1058         // (we really don't want to send those)
1059         if (!(VectorLength2(ent->fields.server->origin) < 2000000000.0*2000000000.0))
1060                 return false;
1061
1062         // EF_NODRAW prevents sending for any reason except for your own
1063         // client, so we must keep all clients in this superset
1064         effects = (unsigned)ent->fields.server->effects;
1065
1066         // we can omit invisible entities with no effects that are not clients
1067         // LordHavoc: this could kill tags attached to an invisible entity, I
1068         // just hope we never have to support that case
1069         i = (int)ent->fields.server->modelindex;
1070         modelindex = (i >= 1 && i < MAX_MODELS && ent->fields.server->model && *PRVM_GetString(ent->fields.server->model) && sv.models[i]) ? i : 0;
1071
1072         flags = 0;
1073         i = (int)(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_size)->_float * 0.25f);
1074         glowsize = (unsigned char)bound(0, i, 255);
1075         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_trail)->_float)
1076                 flags |= RENDER_GLOWTRAIL;
1077         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict)
1078                 flags |= RENDER_VIEWMODEL;
1079
1080         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[0]*256;
1081         light[0] = (unsigned short)bound(0, f, 65535);
1082         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[1]*256;
1083         light[1] = (unsigned short)bound(0, f, 65535);
1084         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[2]*256;
1085         light[2] = (unsigned short)bound(0, f, 65535);
1086         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.light_lev)->_float;
1087         light[3] = (unsigned short)bound(0, f, 65535);
1088         lightstyle = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.style)->_float;
1089         lightpflags = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pflags)->_float;
1090
1091         if (gamemode == GAME_TENEBRAE)
1092         {
1093                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1094                 if (effects & 16)
1095                 {
1096                         effects &= ~16;
1097                         lightpflags |= PFLAGS_FULLDYNAMIC;
1098                 }
1099                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1100                 if (effects & 32)
1101                 {
1102                         effects &= ~32;
1103                         light[0] = (int)(0.2*256);
1104                         light[1] = (int)(1.0*256);
1105                         light[2] = (int)(0.2*256);
1106                         light[3] = 200;
1107                         lightpflags |= PFLAGS_FULLDYNAMIC;
1108                 }
1109         }
1110
1111         specialvisibilityradius = 0;
1112         if (lightpflags & PFLAGS_FULLDYNAMIC)
1113                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1114         if (glowsize)
1115                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1116         if (flags & RENDER_GLOWTRAIL)
1117                 specialvisibilityradius = max(specialvisibilityradius, 100);
1118         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1119         {
1120                 if (effects & EF_BRIGHTFIELD)
1121                         specialvisibilityradius = max(specialvisibilityradius, 80);
1122                 if (effects & EF_MUZZLEFLASH)
1123                         specialvisibilityradius = max(specialvisibilityradius, 100);
1124                 if (effects & EF_BRIGHTLIGHT)
1125                         specialvisibilityradius = max(specialvisibilityradius, 400);
1126                 if (effects & EF_DIMLIGHT)
1127                         specialvisibilityradius = max(specialvisibilityradius, 200);
1128                 if (effects & EF_RED)
1129                         specialvisibilityradius = max(specialvisibilityradius, 200);
1130                 if (effects & EF_BLUE)
1131                         specialvisibilityradius = max(specialvisibilityradius, 200);
1132                 if (effects & EF_FLAME)
1133                         specialvisibilityradius = max(specialvisibilityradius, 250);
1134                 if (effects & EF_STARDUST)
1135                         specialvisibilityradius = max(specialvisibilityradius, 100);
1136         }
1137
1138         // early culling checks
1139         // (final culling is done by SV_MarkWriteEntityStateToClient)
1140         customizeentityforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.customizeentityforclient)->function;
1141         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1142                 return false;
1143
1144         *cs = defaultstate;
1145         cs->active = ACTIVE_NETWORK;
1146         cs->number = enumber;
1147         VectorCopy(ent->fields.server->origin, cs->origin);
1148         VectorCopy(ent->fields.server->angles, cs->angles);
1149         cs->flags = flags;
1150         cs->effects = effects;
1151         cs->colormap = (unsigned)ent->fields.server->colormap;
1152         cs->modelindex = modelindex;
1153         cs->skin = (unsigned)ent->fields.server->skin;
1154         cs->frame = (unsigned)ent->fields.server->frame;
1155         cs->viewmodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict;
1156         cs->exteriormodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.exteriormodeltoclient)->edict;
1157         cs->nodrawtoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.nodrawtoclient)->edict;
1158         cs->drawonlytoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.drawonlytoclient)->edict;
1159         cs->customizeentityforclient = customizeentityforclient;
1160         cs->tagentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)->edict;
1161         cs->tagindex = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
1162         cs->glowsize = glowsize;
1163
1164         // don't need to init cs->colormod because the defaultstate did that for us
1165         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1166         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.colormod);
1167         if (val->vector[0] || val->vector[1] || val->vector[2])
1168         {
1169                 i = (int)(val->vector[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1170                 i = (int)(val->vector[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1171                 i = (int)(val->vector[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1172         }
1173
1174         // don't need to init cs->glowmod because the defaultstate did that for us
1175         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1176         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glowmod);
1177         if (val->vector[0] || val->vector[1] || val->vector[2])
1178         {
1179                 i = (int)(val->vector[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1180                 i = (int)(val->vector[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1181                 i = (int)(val->vector[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1182         }
1183
1184         cs->modelindex = modelindex;
1185
1186         cs->alpha = 255;
1187         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)->_float * 255.0f);
1188         if (f)
1189         {
1190                 i = (int)f;
1191                 cs->alpha = (unsigned char)bound(0, i, 255);
1192         }
1193         // halflife
1194         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderamt)->_float);
1195         if (f)
1196         {
1197                 i = (int)f;
1198                 cs->alpha = (unsigned char)bound(0, i, 255);
1199         }
1200
1201         cs->scale = 16;
1202         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale)->_float * 16.0f);
1203         if (f)
1204         {
1205                 i = (int)f;
1206                 cs->scale = (unsigned char)bound(0, i, 255);
1207         }
1208
1209         cs->glowcolor = 254;
1210         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_color)->_float);
1211         if (f)
1212                 cs->glowcolor = (int)f;
1213
1214         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.fullbright)->_float)
1215                 cs->effects |= EF_FULLBRIGHT;
1216
1217         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.modelflags);
1218         if (val && val->_float)
1219                 cs->effects |= ((unsigned int)val->_float & 0xff) << 24;
1220
1221         if (ent->fields.server->movetype == MOVETYPE_STEP)
1222                 cs->flags |= RENDER_STEP;
1223         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)
1224                 cs->flags |= RENDER_LOWPRECISION;
1225         if (ent->fields.server->colormap >= 1024)
1226                 cs->flags |= RENDER_COLORMAPPED;
1227         if (cs->viewmodelforclient)
1228                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1229
1230         cs->light[0] = light[0];
1231         cs->light[1] = light[1];
1232         cs->light[2] = light[2];
1233         cs->light[3] = light[3];
1234         cs->lightstyle = lightstyle;
1235         cs->lightpflags = lightpflags;
1236
1237         cs->specialvisibilityradius = specialvisibilityradius;
1238
1239         // calculate the visible box of this entity (don't use the physics box
1240         // as that is often smaller than a model, and would not count
1241         // specialvisibilityradius)
1242         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1243         {
1244                 float scale = cs->scale * (1.0f / 16.0f);
1245                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1246                 {
1247                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1248                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1249                 }
1250                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1251                 {
1252                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1253                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1254                 }
1255                 else
1256                 {
1257                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1258                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1259                 }
1260         }
1261         else
1262         {
1263                 // if there is no model (or it could not be loaded), use the physics box
1264                 VectorAdd(cs->origin, ent->fields.server->mins, cullmins);
1265                 VectorAdd(cs->origin, ent->fields.server->maxs, cullmaxs);
1266         }
1267         if (specialvisibilityradius)
1268         {
1269                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1270                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1271                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1272                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1273                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1274                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1275         }
1276
1277         // calculate center of bbox for network prioritization purposes
1278         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1279
1280         // if culling box has moved, update pvs cluster links
1281         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1282         {
1283                 VectorCopy(cullmins, ent->priv.server->cullmins);
1284                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1285                 // a value of -1 for pvs_numclusters indicates that the links are not
1286                 // cached, and should be re-tested each time, this is the case if the
1287                 // culling box touches too many pvs clusters to store, or if the world
1288                 // model does not support FindBoxClusters
1289                 ent->priv.server->pvs_numclusters = -1;
1290                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1291                 {
1292                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1293                         if (i <= MAX_ENTITYCLUSTERS)
1294                                 ent->priv.server->pvs_numclusters = i;
1295                 }
1296         }
1297
1298         // we need to do some csqc entity upkeep here
1299         // get self.SendFlags and clear them
1300         // (to let the QC know that they've been read)
1301         if (sendentity)
1302         {
1303                 val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendFlags);
1304                 sendflags = (unsigned int)val->_float;
1305                 val->_float = 0;
1306                 // legacy self.Version system
1307                 val2 = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.Version);
1308                 if (val2->_float)
1309                 {
1310                         version = (unsigned int)val2->_float;
1311                         if (sv.csqcentityversion[enumber] != version)
1312                                 sendflags = 0xFFFFFF;
1313                         sv.csqcentityversion[enumber] = version;
1314                 }
1315                 // move sendflags into the per-client sendflags
1316                 if (sendflags)
1317                         for (i = 0;i < svs.maxclients;i++)
1318                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1319                 // mark it as inactive for non-csqc networking
1320                 cs->active = ACTIVE_SHARED;
1321         }
1322
1323         return true;
1324 }
1325
1326 void SV_PrepareEntitiesForSending(void)
1327 {
1328         int e;
1329         prvm_edict_t *ent;
1330         // send all entities that touch the pvs
1331         sv.numsendentities = 0;
1332         sv.sendentitiesindex[0] = NULL;
1333         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1334         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1335         {
1336                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1337                 {
1338                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1339                         sv.numsendentities++;
1340                 }
1341         }
1342 }
1343
1344 #define MAX_LINEOFSIGHTTRACES 64
1345
1346 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1347 {
1348         float pitchsign;
1349         float alpha;
1350         float starttransformed[3], endtransformed[3];
1351         int blocked = 0;
1352         int traceindex;
1353         int originalnumtouchedicts;
1354         int numtouchedicts = 0;
1355         int touchindex;
1356         matrix4x4_t matrix, imatrix;
1357         dp_model_t *model;
1358         prvm_edict_t *touch;
1359         static prvm_edict_t *touchedicts[MAX_EDICTS];
1360         vec3_t boxmins, boxmaxs;
1361         vec3_t clipboxmins, clipboxmaxs;
1362         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1363
1364         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1365
1366         // expand the box a little
1367         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1368         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1369         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1370         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1371         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1372         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1373
1374         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1375         for (traceindex = 1;traceindex < numtraces;traceindex++)
1376                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1377
1378         // calculate sweep box for the entire swarm of traces
1379         VectorCopy(eye, clipboxmins);
1380         VectorCopy(eye, clipboxmaxs);
1381         for (traceindex = 0;traceindex < numtraces;traceindex++)
1382         {
1383                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1384                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1385                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1386                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1387                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1388                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1389         }
1390
1391         // get the list of entities in the sweep box
1392         if (sv_cullentities_trace_entityocclusion.integer)
1393                 numtouchedicts = World_EntitiesInBox(&sv.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1394         if (numtouchedicts > MAX_EDICTS)
1395         {
1396                 // this never happens
1397                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1398                 numtouchedicts = MAX_EDICTS;
1399         }
1400         // iterate the entities found in the sweep box and filter them
1401         originalnumtouchedicts = numtouchedicts;
1402         numtouchedicts = 0;
1403         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1404         {
1405                 touch = touchedicts[touchindex];
1406                 if (touch->fields.server->solid != SOLID_BSP)
1407                         continue;
1408                 model = SV_GetModelFromEdict(touch);
1409                 if (!model || !model->brush.TraceLineOfSight)
1410                         continue;
1411                 // skip obviously transparent entities
1412                 alpha = PRVM_EDICTFIELDVALUE(touch, prog->fieldoffsets.alpha)->_float;
1413                 if (alpha && alpha < 1)
1414                         continue;
1415                 if ((int)touch->fields.server->effects & EF_ADDITIVE)
1416                         continue;
1417                 touchedicts[numtouchedicts++] = touch;
1418         }
1419
1420         // now that we have a filtered list of "interesting" entities, fire each
1421         // ray against all of them, this gives us an early-out case when something
1422         // is visible (which it often is)
1423
1424         for (traceindex = 0;traceindex < numtraces;traceindex++)
1425         {
1426                 // check world occlusion
1427                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1428                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1429                                 continue;
1430                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1431                 {
1432                         touch = touchedicts[touchindex];
1433                         model = SV_GetModelFromEdict(touch);
1434                         if(model && model->brush.TraceLineOfSight)
1435                         {
1436                                 // get the entity matrix
1437                                 pitchsign = SV_GetPitchSign(touch);
1438                                 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);
1439                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1440                                 // see if the ray hits this entity
1441                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1442                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1443                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1444                                 {
1445                                         blocked++;
1446                                         break;
1447                                 }
1448                         }
1449                 }
1450                 // check if the ray was blocked
1451                 if (touchindex < numtouchedicts)
1452                         continue;
1453                 // return if the ray was not blocked
1454                 return true;
1455         }
1456
1457         // no rays survived
1458         return false;
1459 }
1460
1461 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1462 {
1463         int isbmodel;
1464         dp_model_t *model;
1465         prvm_edict_t *ed;
1466         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1467                 return;
1468         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1469         sv.writeentitiestoclient_stats_totalentities++;
1470
1471         if (s->customizeentityforclient)
1472         {
1473                 prog->globals.server->self = s->number;
1474                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1475                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1476                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1477                         return;
1478         }
1479
1480         // never reject player
1481         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1482         {
1483                 // check various rejection conditions
1484                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1485                         return;
1486                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1487                         return;
1488                 if (s->effects & EF_NODRAW)
1489                         return;
1490                 // LordHavoc: only send entities with a model or important effects
1491                 if (!s->modelindex && s->specialvisibilityradius == 0)
1492                         return;
1493
1494                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1495                 // viewmodels don't have visibility checking
1496                 if (s->viewmodelforclient)
1497                 {
1498                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1499                                 return;
1500                 }
1501                 else if (s->tagentity)
1502                 {
1503                         // tag attached entities simply check their parent
1504                         if (!sv.sendentitiesindex[s->tagentity])
1505                                 return;
1506                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1507                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1508                                 return;
1509                 }
1510                 // always send world submodels in newer protocols because they don't
1511                 // generate much traffic (in old protocols they hog bandwidth)
1512                 // but only if sv_cullentities_nevercullbmodels is off
1513                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1514                 {
1515                         // entity has survived every check so far, check if visible
1516                         ed = PRVM_EDICT_NUM(s->number);
1517
1518                         // if not touching a visible leaf
1519                         if (sv_cullentities_pvs.integer && !r_novis.integer && sv.writeentitiestoclient_pvsbytes)
1520                         {
1521                                 if (ed->priv.server->pvs_numclusters < 0)
1522                                 {
1523                                         // entity too big for clusters list
1524                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1525                                         {
1526                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1527                                                 return;
1528                                         }
1529                                 }
1530                                 else
1531                                 {
1532                                         int i;
1533                                         // check cached clusters list
1534                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1535                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1536                                                         break;
1537                                         if (i == ed->priv.server->pvs_numclusters)
1538                                         {
1539                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1540                                                 return;
1541                                         }
1542                                 }
1543                         }
1544
1545                         // or not seen by random tracelines
1546                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight)
1547                         {
1548                                 int samples =
1549                                         s->number <= svs.maxclients
1550                                                 ? sv_cullentities_trace_samples_players.integer
1551                                                 :
1552                                         s->specialvisibilityradius
1553                                                 ? sv_cullentities_trace_samples_extra.integer
1554                                                 : sv_cullentities_trace_samples.integer;
1555                                 float enlarge = sv_cullentities_trace_enlarge.value;
1556
1557                                 if(samples > 0)
1558                                 {
1559                                         int eyeindex;
1560                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1561                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1562                                                         break;
1563                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1564                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1565                                                         realtime + (
1566                                                                 s->number <= svs.maxclients
1567                                                                         ? sv_cullentities_trace_delay_players.value
1568                                                                         : sv_cullentities_trace_delay.value
1569                                                         );
1570                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1571                                         {
1572                                                 sv.writeentitiestoclient_stats_culled_trace++;
1573                                                 return;
1574                                         }
1575                                 }
1576                         }
1577                 }
1578         }
1579
1580         // this just marks it for sending
1581         // FIXME: it would be more efficient to send here, but the entity
1582         // compressor isn't that flexible
1583         sv.writeentitiestoclient_stats_visibleentities++;
1584         sv.sententities[s->number] = sv.sententitiesmark;
1585 }
1586
1587 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1588 {
1589         qboolean need_empty = false;
1590         int i, numsendstates, numcsqcsendstates;
1591         entity_state_t *s;
1592         prvm_edict_t *camera;
1593         qboolean success;
1594         vec3_t eye;
1595
1596         // if there isn't enough space to accomplish anything, skip it
1597         if (msg->cursize + 25 > maxsize)
1598                 return;
1599
1600         sv.writeentitiestoclient_msg = msg;
1601         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1602
1603         sv.writeentitiestoclient_stats_culled_pvs = 0;
1604         sv.writeentitiestoclient_stats_culled_trace = 0;
1605         sv.writeentitiestoclient_stats_visibleentities = 0;
1606         sv.writeentitiestoclient_stats_totalentities = 0;
1607         sv.writeentitiestoclient_numeyes = 0;
1608
1609         // get eye location
1610         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1611         camera = PRVM_EDICT_NUM( client->clientcamera );
1612         VectorAdd(camera->fields.server->origin, clent->fields.server->view_ofs, eye);
1613         sv.writeentitiestoclient_pvsbytes = 0;
1614         // get the PVS values for the eye location, later FatPVS calls will merge
1615         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1616                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1617
1618         // add the eye to a list for SV_CanSeeBox tests
1619         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1620         sv.writeentitiestoclient_numeyes++;
1621
1622         // calculate predicted eye origin for SV_CanSeeBox tests
1623         if (sv_cullentities_trace_prediction.integer)
1624         {
1625                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1626                 vec3_t predeye;
1627                 VectorMA(eye, predtime, camera->fields.server->velocity, predeye);
1628                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1629                 {
1630                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1631                         sv.writeentitiestoclient_numeyes++;
1632                 }
1633                 //if (!sv.writeentitiestoclient_useprediction)
1634                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1635         }
1636
1637         // TODO: check line of sight to portal entities and add them to PVS
1638
1639         sv.sententitiesmark++;
1640
1641         for (i = 0;i < sv.numsendentities;i++)
1642                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1643
1644         numsendstates = 0;
1645         numcsqcsendstates = 0;
1646         for (i = 0;i < sv.numsendentities;i++)
1647         {
1648                 s = &sv.sendentities[i];
1649                 if (sv.sententities[s->number] == sv.sententitiesmark)
1650                 {
1651                         if(s->active == ACTIVE_NETWORK)
1652                         {
1653                                 if (s->exteriormodelforclient)
1654                                 {
1655                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1656                                                 s->flags |= RENDER_EXTERIORMODEL;
1657                                         else
1658                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1659                                 }
1660                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1661                         }
1662                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1663                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1664                         else
1665                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1666                 }
1667         }
1668
1669         if (sv_cullentities_stats.integer)
1670                 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);
1671
1672         if(client->entitydatabase5)
1673                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1674         else
1675                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1676
1677         if(client->num_skippedentityframes >= 10)
1678                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1679
1680         if (client->entitydatabase5)
1681                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1682         else if (client->entitydatabase4)
1683         {
1684                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1685                 Protocol_WriteStatsReliable();
1686         }
1687         else if (client->entitydatabase)
1688         {
1689                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1690                 Protocol_WriteStatsReliable();
1691         }
1692         else
1693         {
1694                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1695                 Protocol_WriteStatsReliable();
1696         }
1697
1698         if(success)
1699                 client->num_skippedentityframes = 0;
1700         else
1701                 ++client->num_skippedentityframes;
1702 }
1703
1704 /*
1705 =============
1706 SV_CleanupEnts
1707
1708 =============
1709 */
1710 static void SV_CleanupEnts (void)
1711 {
1712         int             e;
1713         prvm_edict_t    *ent;
1714
1715         ent = PRVM_NEXT_EDICT(prog->edicts);
1716         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1717                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1718 }
1719
1720 /*
1721 ==================
1722 SV_WriteClientdataToMessage
1723
1724 ==================
1725 */
1726 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1727 {
1728         int             bits;
1729         int             i;
1730         prvm_edict_t    *other;
1731         int             items;
1732         prvm_eval_t     *val;
1733         vec3_t  punchvector;
1734         int             viewzoom;
1735         const char *s;
1736         float   *statsf = (float *)stats;
1737
1738 //
1739 // send a damage message
1740 //
1741         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1742         {
1743                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1744                 MSG_WriteByte (msg, svc_damage);
1745                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1746                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1747                 for (i=0 ; i<3 ; i++)
1748                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1749
1750                 ent->fields.server->dmg_take = 0;
1751                 ent->fields.server->dmg_save = 0;
1752         }
1753
1754 //
1755 // send the current viewpos offset from the view entity
1756 //
1757         SV_SetIdealPitch ();            // how much to look up / down ideally
1758
1759 // a fixangle might get lost in a dropped packet.  Oh well.
1760         if(ent->fields.server->fixangle)
1761         {
1762                 // angle fixing was requested by global thinking code...
1763                 // so store the current angles for later use
1764                 memcpy(host_client->fixangle_angles, ent->fields.server->angles, sizeof(host_client->fixangle_angles));
1765                 host_client->fixangle_angles_set = TRUE;
1766
1767                 // and clear fixangle for the next frame
1768                 ent->fields.server->fixangle = 0;
1769         }
1770
1771         if (host_client->fixangle_angles_set)
1772         {
1773                 MSG_WriteByte (msg, svc_setangle);
1774                 for (i=0 ; i < 3 ; i++)
1775                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1776                 host_client->fixangle_angles_set = FALSE;
1777         }
1778
1779         // stuff the sigil bits into the high bits of items for sbar, or else
1780         // mix in items2
1781         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
1782         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1783                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1784         else
1785                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1786
1787         VectorClear(punchvector);
1788         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
1789                 VectorCopy(val->vector, punchvector);
1790
1791         // cache weapon model name and index in client struct to save time
1792         // (this search can be almost 1% of cpu time!)
1793         s = PRVM_GetString(ent->fields.server->weaponmodel);
1794         if (strcmp(s, client->weaponmodel))
1795         {
1796                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1797                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1798         }
1799
1800         viewzoom = 255;
1801         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
1802                 viewzoom = (int)(val->_float * 255.0f);
1803         if (viewzoom == 0)
1804                 viewzoom = 255;
1805
1806         bits = 0;
1807
1808         if ((int)ent->fields.server->flags & FL_ONGROUND)
1809                 bits |= SU_ONGROUND;
1810         if (ent->fields.server->waterlevel >= 2)
1811                 bits |= SU_INWATER;
1812         if (ent->fields.server->idealpitch)
1813                 bits |= SU_IDEALPITCH;
1814
1815         for (i=0 ; i<3 ; i++)
1816         {
1817                 if (ent->fields.server->punchangle[i])
1818                         bits |= (SU_PUNCH1<<i);
1819                 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)
1820                         if (punchvector[i])
1821                                 bits |= (SU_PUNCHVEC1<<i);
1822                 if (ent->fields.server->velocity[i])
1823                         bits |= (SU_VELOCITY1<<i);
1824         }
1825
1826         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1827         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
1828         stats[STAT_ITEMS] = items;
1829         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
1830         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
1831         stats[STAT_WEAPON] = client->weaponmodelindex;
1832         stats[STAT_HEALTH] = (int)ent->fields.server->health;
1833         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
1834         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
1835         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
1836         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
1837         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
1838         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
1839         stats[STAT_VIEWZOOM] = viewzoom;
1840         stats[STAT_TOTALSECRETS] = (int)prog->globals.server->total_secrets;
1841         stats[STAT_TOTALMONSTERS] = (int)prog->globals.server->total_monsters;
1842         // the QC bumps these itself by sending svc_'s, so we have to keep them
1843         // zero or they'll be corrected by the engine
1844         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1845         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1846
1847         // movement settings for prediction
1848         // note: these are not sent in protocols with lower MAX_CL_STATS limits
1849         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
1850                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
1851         ;
1852         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
1853         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
1854         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
1855         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
1856         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
1857         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
1858         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
1859         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
1860         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
1861         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.gravity);
1862         statsf[STAT_MOVEVARS_ENTGRAVITY] = (val && val->_float != 0) ? val->_float : 1.0f;
1863         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
1864         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
1865         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
1866         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
1867         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
1868         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
1869         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
1870         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
1871         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
1872         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
1873         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
1874         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
1875         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
1876         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
1877         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
1878         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
1879         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
1880         statsf[STAT_FRAGLIMIT] = fraglimit.value;
1881         statsf[STAT_TIMELIMIT] = timelimit.value;
1882
1883         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)
1884         {
1885                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
1886                 bits |= SU_ITEMS;
1887                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
1888                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
1889                 bits |= SU_WEAPON;
1890                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
1891                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1892                         if (viewzoom != 255)
1893                                 bits |= SU_VIEWZOOM;
1894         }
1895
1896         if (bits >= 65536)
1897                 bits |= SU_EXTEND1;
1898         if (bits >= 16777216)
1899                 bits |= SU_EXTEND2;
1900
1901         // send the data
1902         MSG_WriteByte (msg, svc_clientdata);
1903         MSG_WriteShort (msg, bits);
1904         if (bits & SU_EXTEND1)
1905                 MSG_WriteByte(msg, bits >> 16);
1906         if (bits & SU_EXTEND2)
1907                 MSG_WriteByte(msg, bits >> 24);
1908
1909         if (bits & SU_VIEWHEIGHT)
1910                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
1911
1912         if (bits & SU_IDEALPITCH)
1913                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
1914
1915         for (i=0 ; i<3 ; i++)
1916         {
1917                 if (bits & (SU_PUNCH1<<i))
1918                 {
1919                         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)
1920                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
1921                         else
1922                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
1923                 }
1924                 if (bits & (SU_PUNCHVEC1<<i))
1925                 {
1926                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1927                                 MSG_WriteCoord16i(msg, punchvector[i]);
1928                         else
1929                                 MSG_WriteCoord32f(msg, punchvector[i]);
1930                 }
1931                 if (bits & (SU_VELOCITY1<<i))
1932                 {
1933                         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)
1934                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
1935                         else
1936                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
1937                 }
1938         }
1939
1940         if (bits & SU_ITEMS)
1941                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
1942
1943         if (sv.protocol == PROTOCOL_DARKPLACES5)
1944         {
1945                 if (bits & SU_WEAPONFRAME)
1946                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
1947                 if (bits & SU_ARMOR)
1948                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
1949                 if (bits & SU_WEAPON)
1950                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
1951                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1952                 MSG_WriteShort (msg, stats[STAT_AMMO]);
1953                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
1954                 MSG_WriteShort (msg, stats[STAT_NAILS]);
1955                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
1956                 MSG_WriteShort (msg, stats[STAT_CELLS]);
1957                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
1958                 if (bits & SU_VIEWZOOM)
1959                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1960         }
1961         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)
1962         {
1963                 if (bits & SU_WEAPONFRAME)
1964                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
1965                 if (bits & SU_ARMOR)
1966                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
1967                 if (bits & SU_WEAPON)
1968                 {
1969                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
1970                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
1971                         else
1972                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
1973                 }
1974                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1975                 MSG_WriteByte (msg, stats[STAT_AMMO]);
1976                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
1977                 MSG_WriteByte (msg, stats[STAT_NAILS]);
1978                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
1979                 MSG_WriteByte (msg, stats[STAT_CELLS]);
1980                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1981                 {
1982                         for (i = 0;i < 32;i++)
1983                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
1984                                         break;
1985                         MSG_WriteByte (msg, i);
1986                 }
1987                 else
1988                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
1989                 if (bits & SU_VIEWZOOM)
1990                 {
1991                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1992                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
1993                         else
1994                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1995                 }
1996         }
1997 }
1998
1999 void SV_FlushBroadcastMessages(void)
2000 {
2001         int i;
2002         client_t *client;
2003         if (sv.datagram.cursize <= 0)
2004                 return;
2005         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2006         {
2007                 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])))
2008                         continue;
2009                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2010                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2011         }
2012         SZ_Clear(&sv.datagram);
2013 }
2014
2015 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2016 {
2017         // scan the splitpoints to find out how many we can fit in
2018         int numsegments, j, split;
2019         if (!client->unreliablemsg_splitpoints)
2020                 return;
2021         // always accept the first one if it's within 1024 bytes, this ensures
2022         // that very big datagrams which are over the rate limit still get
2023         // through, just to keep it working
2024         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2025                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2026                         break;
2027         // the first segment gets an exemption from the rate limiting, otherwise
2028         // it could get dropped consistently due to a low rate limit
2029         if (numsegments == 1)
2030                 maxsize = maxsize2;
2031         // some will fit, so add the ones that will fit
2032         split = client->unreliablemsg_splitpoint[numsegments-1];
2033         // note this discards ones that were accepted by the segments scan but
2034         // can not fit, such as a really huge first one that will never ever
2035         // fit in a packet...
2036         if (msg->cursize + split <= maxsize)
2037                 SZ_Write(msg, client->unreliablemsg.data, split);
2038         // remove the part we sent, keeping any remaining data
2039         client->unreliablemsg.cursize -= split;
2040         if (client->unreliablemsg.cursize > 0)
2041                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2042         // adjust remaining splitpoints
2043         client->unreliablemsg_splitpoints -= numsegments;
2044         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2045                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2046 }
2047
2048 /*
2049 =======================
2050 SV_SendClientDatagram
2051 =======================
2052 */
2053 static void SV_SendClientDatagram (client_t *client)
2054 {
2055         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2056         sizebuf_t msg;
2057         int stats[MAX_CL_STATS];
2058         unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2059
2060         // obey rate limit by limiting packet frequency if the packet size
2061         // limiting fails
2062         // (usually this is caused by reliable messages)
2063         if (!NetConn_CanSend(client->netconnection))
2064                 return;
2065
2066         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2067         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2068         if (sv_maxrate.integer != maxrate)
2069                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2070
2071         // clientrate determines the 'cleartime' of a packet
2072         // (how long to wait before sending another, based on this packet's size)
2073         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2074
2075         switch (sv.protocol)
2076         {
2077         case PROTOCOL_QUAKE:
2078         case PROTOCOL_QUAKEDP:
2079         case PROTOCOL_NEHAHRAMOVIE:
2080         case PROTOCOL_NEHAHRABJP:
2081         case PROTOCOL_NEHAHRABJP2:
2082         case PROTOCOL_NEHAHRABJP3:
2083         case PROTOCOL_QUAKEWORLD:
2084                 // no packet size limit support on Quake protocols because it just
2085                 // causes missing entities/effects
2086                 // packets are simply sent less often to obey the rate limit
2087                 maxsize = 1024;
2088                 maxsize2 = 1024;
2089                 break;
2090         case PROTOCOL_DARKPLACES1:
2091         case PROTOCOL_DARKPLACES2:
2092         case PROTOCOL_DARKPLACES3:
2093         case PROTOCOL_DARKPLACES4:
2094                 // no packet size limit support on DP1-4 protocols because they kick
2095                 // the client off if they overflow, and miss effects
2096                 // packets are simply sent less often to obey the rate limit
2097                 maxsize = sizeof(sv_sendclientdatagram_buf);
2098                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2099                 break;
2100         default:
2101                 // DP5 and later protocols support packet size limiting which is a
2102                 // better method than limiting packet frequency as QW does
2103                 //
2104                 // at very low rates (or very small sys_ticrate) the packet size is
2105                 // not reduced below 128, but packets may be sent less often
2106                 maxsize = (int)(clientrate * sys_ticrate.value);
2107                 maxsize = bound(128, maxsize, 1400);
2108                 maxsize2 = 1400;
2109                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2110                 // mods that use csqc (they are likely to use less bandwidth anyway)
2111                 if (sv.csqc_progsize > 0)
2112                         maxsize = maxsize2;
2113                 break;
2114         }
2115
2116         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2117         {
2118                 // for good singleplayer, send huge packets
2119                 maxsize = sizeof(sv_sendclientdatagram_buf);
2120                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2121                 // never limit frequency in singleplayer
2122                 clientrate = 1000000000;
2123         }
2124
2125         // while downloading, limit entity updates to half the packet
2126         // (any leftover space will be used for downloading)
2127         if (host_client->download_file)
2128                 maxsize /= 2;
2129
2130         msg.data = sv_sendclientdatagram_buf;
2131         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2132         msg.cursize = 0;
2133         msg.allowoverflow = false;
2134
2135         if (host_client->spawned)
2136         {
2137                 // the player is in the game
2138                 MSG_WriteByte (&msg, svc_time);
2139                 MSG_WriteFloat (&msg, sv.time);
2140
2141                 // add the client specific data to the datagram
2142                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2143                 // now update the stats[] array using any registered custom fields
2144                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2145                 // set host_client->statsdeltabits
2146                 Protocol_UpdateClientStats (stats);
2147
2148                 // add as many queued unreliable messages (effects) as we can fit
2149                 // limit effects to half of the remaining space
2150                 if (client->unreliablemsg.cursize)
2151                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2152
2153                 // now write as many entities as we can fit, and also sends stats
2154                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2155         }
2156         else if (realtime > client->keepalivetime)
2157         {
2158                 // the player isn't totally in the game yet
2159                 // send small keepalive messages if too much time has passed
2160                 // (may also be sending downloads)
2161                 client->keepalivetime = realtime + 5;
2162                 MSG_WriteChar (&msg, svc_nop);
2163         }
2164
2165         // if a download is active, see if there is room to fit some download data
2166         // in this packet
2167         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2168         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2169         {
2170                 fs_offset_t downloadstart;
2171                 unsigned char data[1400];
2172                 downloadstart = FS_Tell(host_client->download_file);
2173                 downloadsize = min(downloadsize, (int)sizeof(data));
2174                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2175                 // note this sends empty messages if at the end of the file, which is
2176                 // necessary to keep the packet loss logic working
2177                 // (the last blocks may be lost and need to be re-sent, and that will
2178                 //  only occur if the client acks the empty end messages, revealing
2179                 //  a gap in the download progress, causing the last blocks to be
2180                 //  sent again)
2181                 MSG_WriteChar (&msg, svc_downloaddata);
2182                 MSG_WriteLong (&msg, downloadstart);
2183                 MSG_WriteShort (&msg, downloadsize);
2184                 if (downloadsize > 0)
2185                         SZ_Write (&msg, data, downloadsize);
2186         }
2187
2188         // reliable only if none is in progress
2189         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2190                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2191         // unreliable
2192         SV_WriteDemoMessage(client, &msg, false);
2193
2194 // send the datagram
2195         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2196         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2197                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2198 }
2199
2200 /*
2201 =======================
2202 SV_UpdateToReliableMessages
2203 =======================
2204 */
2205 static void SV_UpdateToReliableMessages (void)
2206 {
2207         int i, j;
2208         client_t *client;
2209         prvm_eval_t *val;
2210         const char *name;
2211         const char *model;
2212         const char *skin;
2213
2214 // check for changes to be sent over the reliable streams
2215         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2216         {
2217                 // update the host_client fields we care about according to the entity fields
2218                 host_client->edict = PRVM_EDICT_NUM(i+1);
2219
2220                 // DP_SV_CLIENTNAME
2221                 name = PRVM_GetString(host_client->edict->fields.server->netname);
2222                 if (name == NULL)
2223                         name = "";
2224                 // always point the string back at host_client->name to keep it safe
2225                 strlcpy (host_client->name, name, sizeof (host_client->name));
2226                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
2227                 if (strcmp(host_client->old_name, host_client->name))
2228                 {
2229                         if (host_client->spawned)
2230                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2231                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2232                         // send notification to all clients
2233                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2234                         MSG_WriteByte (&sv.reliable_datagram, i);
2235                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2236                         SV_WriteNetnameIntoDemo(host_client);
2237                 }
2238
2239                 // DP_SV_CLIENTCOLORS
2240                 // this is always found (since it's added by the progs loader)
2241                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
2242                         host_client->colors = (int)val->_float;
2243                 if (host_client->old_colors != host_client->colors)
2244                 {
2245                         host_client->old_colors = host_client->colors;
2246                         // send notification to all clients
2247                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2248                         MSG_WriteByte (&sv.reliable_datagram, i);
2249                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2250                 }
2251
2252                 // NEXUIZ_PLAYERMODEL
2253                 if( prog->fieldoffsets.playermodel >= 0 ) {
2254                         model = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string);
2255                         if (model == NULL)
2256                                 model = "";
2257                         // always point the string back at host_client->name to keep it safe
2258                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2259                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
2260                 }
2261
2262                 // NEXUIZ_PLAYERSKIN
2263                 if( prog->fieldoffsets.playerskin >= 0 ) {
2264                         skin = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string);
2265                         if (skin == NULL)
2266                                 skin = "";
2267                         // always point the string back at host_client->name to keep it safe
2268                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2269                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
2270                 }
2271
2272                 // TODO: add an extension name for this [1/17/2008 Black]
2273                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcamera)) && val->edict > 0 ) {
2274                         int oldclientcamera = host_client->clientcamera;
2275                         if( val->edict >= prog->max_edicts || PRVM_EDICT_NUM( val->edict )->priv.required->free ) {
2276                                 val->edict = host_client->clientcamera = PRVM_NUM_FOR_EDICT( host_client->edict );
2277                         } else {
2278                                 host_client->clientcamera = val->edict;
2279                         }
2280
2281                         if( oldclientcamera != host_client->clientcamera ) {
2282                                 MSG_WriteByte (&sv.reliable_datagram, svc_setview );
2283                                 MSG_WriteShort (&host_client->netconnection->message, host_client->clientcamera);
2284                         }
2285                 }
2286
2287                 // frags
2288                 host_client->frags = (int)host_client->edict->fields.server->frags;
2289                 if(gamemode == GAME_NEXUIZ)
2290                         if(!host_client->spawned && host_client->netconnection)
2291                                 host_client->frags = -666;
2292                 if (host_client->old_frags != host_client->frags)
2293                 {
2294                         host_client->old_frags = host_client->frags;
2295                         // send notification to all clients
2296                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2297                         MSG_WriteByte (&sv.reliable_datagram, i);
2298                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2299                 }
2300         }
2301
2302         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2303                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2304                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2305
2306         SZ_Clear (&sv.reliable_datagram);
2307 }
2308
2309
2310 /*
2311 =======================
2312 SV_SendClientMessages
2313 =======================
2314 */
2315 void SV_SendClientMessages (void)
2316 {
2317         int i, prepared = false;
2318
2319         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2320                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2321
2322         SV_FlushBroadcastMessages();
2323
2324 // update frags, names, etc
2325         SV_UpdateToReliableMessages();
2326
2327 // build individual updates
2328         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2329         {
2330                 if (!host_client->active)
2331                         continue;
2332                 if (!host_client->netconnection)
2333                         continue;
2334
2335                 if (host_client->netconnection->message.overflowed)
2336                 {
2337                         SV_DropClient (true);   // if the message couldn't send, kick off
2338                         continue;
2339                 }
2340
2341                 if (!prepared)
2342                 {
2343                         prepared = true;
2344                         // only prepare entities once per frame
2345                         SV_PrepareEntitiesForSending();
2346                 }
2347                 SV_SendClientDatagram (host_client);
2348         }
2349
2350 // clear muzzle flashes
2351         SV_CleanupEnts();
2352 }
2353
2354 static void SV_StartDownload_f(void)
2355 {
2356         if (host_client->download_file)
2357                 host_client->download_started = true;
2358 }
2359
2360 /*
2361  * Compression extension negotiation:
2362  *
2363  * Server to client:
2364  *   cl_serverextension_download 2
2365  *
2366  * Client to server:
2367  *   download <filename> <list of zero or more suppported compressions in order of preference>
2368  * e.g.
2369  *   download maps/map1.bsp lzo deflate huffman
2370  *
2371  * Server to client:
2372  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2373  * e.g.
2374  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2375  *
2376  * The server may choose not to compress the file by sending no compression name, like:
2377  *   cl_downloadbegin 345678 maps/map1.bsp
2378  *
2379  * NOTE: the "download" command may only specify compression algorithms if
2380  *       cl_serverextension_download is 2!
2381  *       If cl_serverextension_download has a different value, the client must
2382  *       assume this extension is not supported!
2383  */
2384
2385 static void Download_CheckExtensions(void)
2386 {
2387         int i;
2388         int argc = Cmd_Argc();
2389
2390         // first reset them all
2391         host_client->download_deflate = false;
2392
2393         for(i = 2; i < argc; ++i)
2394         {
2395                 if(!strcmp(Cmd_Argv(i), "deflate"))
2396                 {
2397                         host_client->download_deflate = true;
2398                         break;
2399                 }
2400         }
2401 }
2402
2403 static void SV_Download_f(void)
2404 {
2405         const char *whichpack, *whichpack2, *extension;
2406         qboolean is_csqc; // so we need to check only once
2407
2408         if (Cmd_Argc() < 2)
2409         {
2410                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2411                 SV_ClientPrintf("       supported extensions: deflate\n");
2412                 return;
2413         }
2414
2415         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2416         {
2417                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2418                 return;
2419         }
2420
2421         if (host_client->download_file)
2422         {
2423                 // at this point we'll assume the previous download should be aborted
2424                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2425                 Host_ClientCommands("\nstopdownload\n");
2426
2427                 // close the file and reset variables
2428                 FS_Close(host_client->download_file);
2429                 host_client->download_file = NULL;
2430                 host_client->download_name[0] = 0;
2431                 host_client->download_expectedposition = 0;
2432                 host_client->download_started = false;
2433         }
2434
2435         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2436
2437         if (!sv_allowdownloads.integer && !is_csqc)
2438         {
2439                 SV_ClientPrintf("Downloads are disabled on this server\n");
2440                 Host_ClientCommands("\nstopdownload\n");
2441                 return;
2442         }
2443
2444         Download_CheckExtensions();
2445
2446         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2447         extension = FS_FileExtension(host_client->download_name);
2448
2449         // host_client is asking to download a specified file
2450         if (developer_extra.integer)
2451                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2452
2453         if(is_csqc)
2454         {
2455                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2456                 extensions[0] = '\0';
2457
2458                 if(host_client->download_deflate)
2459                         strlcat(extensions, " deflate", sizeof(extensions));
2460
2461                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2462
2463                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2464                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2465                 else
2466                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2467
2468                 // no, no space is needed between %s and %s :P
2469                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2470
2471                 host_client->download_expectedposition = 0;
2472                 host_client->download_started = false;
2473                 host_client->sendsignon = true; // make sure this message is sent
2474                 return;
2475         }
2476
2477         if (!FS_FileExists(host_client->download_name))
2478         {
2479                 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);
2480                 Host_ClientCommands("\nstopdownload\n");
2481                 return;
2482         }
2483
2484         // check if the user is trying to download part of registered Quake(r)
2485         whichpack = FS_WhichPack(host_client->download_name);
2486         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2487         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2488         {
2489                 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);
2490                 Host_ClientCommands("\nstopdownload\n");
2491                 return;
2492         }
2493
2494         // check if the server has forbidden archive downloads entirely
2495         if (!sv_allowdownloads_inarchive.integer)
2496         {
2497                 whichpack = FS_WhichPack(host_client->download_name);
2498                 if (whichpack)
2499                 {
2500                         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);
2501                         Host_ClientCommands("\nstopdownload\n");
2502                         return;
2503                 }
2504         }
2505
2506         if (!sv_allowdownloads_config.integer)
2507         {
2508                 if (!strcasecmp(extension, "cfg"))
2509                 {
2510                         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);
2511                         Host_ClientCommands("\nstopdownload\n");
2512                         return;
2513                 }
2514         }
2515
2516         if (!sv_allowdownloads_dlcache.integer)
2517         {
2518                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2519                 {
2520                         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);
2521                         Host_ClientCommands("\nstopdownload\n");
2522                         return;
2523                 }
2524         }
2525
2526         if (!sv_allowdownloads_archive.integer)
2527         {
2528                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2529                 {
2530                         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);
2531                         Host_ClientCommands("\nstopdownload\n");
2532                         return;
2533                 }
2534         }
2535
2536         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2537         if (!host_client->download_file)
2538         {
2539                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2540                 Host_ClientCommands("\nstopdownload\n");
2541                 return;
2542         }
2543
2544         if (FS_FileSize(host_client->download_file) > 1<<30)
2545         {
2546                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2547                 Host_ClientCommands("\nstopdownload\n");
2548                 FS_Close(host_client->download_file);
2549                 host_client->download_file = NULL;
2550                 return;
2551         }
2552
2553         if (FS_FileSize(host_client->download_file) < 0)
2554         {
2555                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2556                 Host_ClientCommands("\nstopdownload\n");
2557                 FS_Close(host_client->download_file);
2558                 host_client->download_file = NULL;
2559                 return;
2560         }
2561
2562         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2563
2564         /*
2565          * we can only do this if we would actually deflate on the fly
2566          * which we do not (yet)!
2567         {
2568                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2569                 extensions[0] = '\0';
2570
2571                 if(host_client->download_deflate)
2572                         strlcat(extensions, " deflate", sizeof(extensions));
2573
2574                 // no, no space is needed between %s and %s :P
2575                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2576         }
2577         */
2578         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2579
2580         host_client->download_expectedposition = 0;
2581         host_client->download_started = false;
2582         host_client->sendsignon = true; // make sure this message is sent
2583
2584         // the rest of the download process is handled in SV_SendClientDatagram
2585         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2586         //
2587         // no svc_downloaddata messages will be sent until sv_startdownload is
2588         // sent by the client
2589 }
2590
2591 /*
2592 ==============================================================================
2593
2594 SERVER SPAWNING
2595
2596 ==============================================================================
2597 */
2598
2599 /*
2600 ================
2601 SV_ModelIndex
2602
2603 ================
2604 */
2605 int SV_ModelIndex(const char *s, int precachemode)
2606 {
2607         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);
2608         char filename[MAX_QPATH];
2609         if (!s || !*s)
2610                 return 0;
2611         // testing
2612         //if (precachemode == 2)
2613         //      return 0;
2614         strlcpy(filename, s, sizeof(filename));
2615         for (i = 2;i < limit;i++)
2616         {
2617                 if (!sv.model_precache[i][0])
2618                 {
2619                         if (precachemode)
2620                         {
2621                                 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))
2622                                 {
2623                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2624                                         return 0;
2625                                 }
2626                                 if (precachemode == 1)
2627                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2628                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2629                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.modelname : NULL);
2630                                 if (sv.state != ss_loading)
2631                                 {
2632                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2633                                         MSG_WriteShort(&sv.reliable_datagram, i);
2634                                         MSG_WriteString(&sv.reliable_datagram, filename);
2635                                 }
2636                                 return i;
2637                         }
2638                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2639                         return 0;
2640                 }
2641                 if (!strcmp(sv.model_precache[i], filename))
2642                         return i;
2643         }
2644         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2645         return 0;
2646 }
2647
2648 /*
2649 ================
2650 SV_SoundIndex
2651
2652 ================
2653 */
2654 int SV_SoundIndex(const char *s, int precachemode)
2655 {
2656         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);
2657         char filename[MAX_QPATH];
2658         if (!s || !*s)
2659                 return 0;
2660         // testing
2661         //if (precachemode == 2)
2662         //      return 0;
2663         strlcpy(filename, s, sizeof(filename));
2664         for (i = 1;i < limit;i++)
2665         {
2666                 if (!sv.sound_precache[i][0])
2667                 {
2668                         if (precachemode)
2669                         {
2670                                 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))
2671                                 {
2672                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2673                                         return 0;
2674                                 }
2675                                 if (precachemode == 1)
2676                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2677                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2678                                 if (sv.state != ss_loading)
2679                                 {
2680                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2681                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2682                                         MSG_WriteString(&sv.reliable_datagram, filename);
2683                                 }
2684                                 return i;
2685                         }
2686                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2687                         return 0;
2688                 }
2689                 if (!strcmp(sv.sound_precache[i], filename))
2690                         return i;
2691         }
2692         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2693         return 0;
2694 }
2695
2696 /*
2697 ================
2698 SV_ParticleEffectIndex
2699
2700 ================
2701 */
2702 int SV_ParticleEffectIndex(const char *name)
2703 {
2704         int i, argc, linenumber, effectnameindex;
2705         int filepass;
2706         fs_offset_t filesize;
2707         unsigned char *filedata;
2708         const char *text, *textstart, *textend;
2709         char argv[16][1024];
2710         char filename[MAX_QPATH];
2711         if (!sv.particleeffectnamesloaded)
2712         {
2713                 sv.particleeffectnamesloaded = true;
2714                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2715                 for (i = 0;i < EFFECT_TOTAL;i++)
2716                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2717                 for (filepass = 0;;filepass++)
2718                 {
2719                         if (filepass == 0)
2720                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2721                         else if (filepass == 1)
2722                                 dpsnprintf(filename, sizeof(filename), "maps/%s_effectinfo.txt", sv.name);
2723                         else
2724                                 break;
2725                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2726                         if (!filedata)
2727                                 continue;
2728                         textstart = (const char *)filedata;
2729                         textend = (const char *)filedata + filesize;
2730                         text = textstart;
2731                         for (linenumber = 1;;linenumber++)
2732                         {
2733                                 argc = 0;
2734                                 for (;;)
2735                                 {
2736                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2737                                                 break;
2738                                         if (argc < 16)
2739                                         {
2740                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2741                                                 argc++;
2742                                         }
2743                                 }
2744                                 if (com_token[0] == 0)
2745                                         break; // if the loop exited and it's not a \n, it's EOF
2746                                 if (argc < 1)
2747                                         continue;
2748                                 if (!strcmp(argv[0], "effect"))
2749                                 {
2750                                         if (argc == 2)
2751                                         {
2752                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2753                                                 {
2754                                                         if (sv.particleeffectname[effectnameindex][0])
2755                                                         {
2756                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2757                                                                         break;
2758                                                         }
2759                                                         else
2760                                                         {
2761                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2762                                                                 break;
2763                                                         }
2764                                                 }
2765                                                 // if we run out of names, abort
2766                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2767                                                 {
2768                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
2769                                                         break;
2770                                                 }
2771                                         }
2772                                 }
2773                         }
2774                         Mem_Free(filedata);
2775                 }
2776         }
2777         // search for the name
2778         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2779                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2780                         return effectnameindex;
2781         // return 0 if we couldn't find it
2782         return 0;
2783 }
2784
2785 dp_model_t *SV_GetModelByIndex(int modelindex)
2786 {
2787         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2788 }
2789
2790 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
2791 {
2792         int modelindex;
2793         if (!ed || ed->priv.server->free)
2794                 return NULL;
2795         modelindex = (int)ed->fields.server->modelindex;
2796         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2797 }
2798
2799 /*
2800 ================
2801 SV_CreateBaseline
2802
2803 ================
2804 */
2805 static void SV_CreateBaseline (void)
2806 {
2807         int i, entnum, large;
2808         prvm_edict_t *svent;
2809
2810         // LordHavoc: clear *all* states (note just active ones)
2811         for (entnum = 0;entnum < prog->max_edicts;entnum++)
2812         {
2813                 // get the current server version
2814                 svent = PRVM_EDICT_NUM(entnum);
2815
2816                 // LordHavoc: always clear state values, whether the entity is in use or not
2817                 svent->priv.server->baseline = defaultstate;
2818
2819                 if (svent->priv.server->free)
2820                         continue;
2821                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
2822                         continue;
2823
2824                 // create entity baseline
2825                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
2826                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
2827                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
2828                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
2829                 if (entnum > 0 && entnum <= svs.maxclients)
2830                 {
2831                         svent->priv.server->baseline.colormap = entnum;
2832                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
2833                 }
2834                 else
2835                 {
2836                         svent->priv.server->baseline.colormap = 0;
2837                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
2838                 }
2839
2840                 large = false;
2841                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
2842                 {
2843                         large = true;
2844                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2845                                 large = false;
2846                 }
2847
2848                 // add to the message
2849                 if (large)
2850                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
2851                 else
2852                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
2853                 MSG_WriteShort (&sv.signon, entnum);
2854
2855                 if (large)
2856                 {
2857                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2858                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
2859                 }
2860                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2861                 {
2862                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2863                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2864                 }
2865                 else
2866                 {
2867                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
2868                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2869                 }
2870                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
2871                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
2872                 for (i=0 ; i<3 ; i++)
2873                 {
2874                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
2875                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
2876                 }
2877         }
2878 }
2879
2880 /*
2881 ================
2882 SV_Prepare_CSQC
2883
2884 Load csprogs.dat and comperss it so it doesn't need to be
2885 reloaded on request.
2886 ================
2887 */
2888 void SV_Prepare_CSQC(void)
2889 {
2890         fs_offset_t progsize;
2891
2892         if(svs.csqc_progdata)
2893         {
2894                 Con_DPrintf("Unloading old CSQC data.\n");
2895                 Mem_Free(svs.csqc_progdata);
2896                 if(svs.csqc_progdata_deflated)
2897                         Mem_Free(svs.csqc_progdata_deflated);
2898         }
2899
2900         svs.csqc_progdata = NULL;
2901         svs.csqc_progdata_deflated = NULL;
2902
2903         sv.csqc_progname[0] = 0;
2904         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
2905
2906         if(progsize > 0)
2907         {
2908                 size_t deflated_size;
2909
2910                 sv.csqc_progsize = (int)progsize;
2911                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
2912                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
2913                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
2914
2915                 Con_DPrint("Compressing csprogs.dat\n");
2916                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
2917                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
2918                 svs.csqc_progsize_deflated = (int)deflated_size;
2919                 if(svs.csqc_progdata_deflated)
2920                 {
2921                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
2922                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
2923                 }
2924                 else
2925                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
2926         }
2927 }
2928
2929 /*
2930 ================
2931 SV_SaveSpawnparms
2932
2933 Grabs the current state of each client for saving across the
2934 transition to another level
2935 ================
2936 */
2937 void SV_SaveSpawnparms (void)
2938 {
2939         int             i, j;
2940
2941         svs.serverflags = (int)prog->globals.server->serverflags;
2942
2943         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2944         {
2945                 if (!host_client->active)
2946                         continue;
2947
2948         // call the progs to get default spawn parms for the new client
2949                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
2950                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
2951                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
2952                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
2953         }
2954 }
2955
2956 /*
2957 ================
2958 SV_SpawnServer
2959
2960 This is called at the start of each level
2961 ================
2962 */
2963
2964 void SV_SpawnServer (const char *server)
2965 {
2966         prvm_edict_t *ent;
2967         int i;
2968         char *entities;
2969         dp_model_t *worldmodel;
2970         char modelname[sizeof(sv.modelname)];
2971
2972         Con_DPrintf("SpawnServer: %s\n", server);
2973
2974         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
2975
2976         if (!FS_FileExists(modelname))
2977         {
2978                 Con_Printf("SpawnServer: no map file named %s\n", modelname);
2979                 return;
2980         }
2981
2982         if (cls.state != ca_dedicated)
2983         {
2984                 SCR_BeginLoadingPlaque();
2985                 S_StopAllSounds();
2986         }
2987
2988         if(sv.active)
2989         {
2990                 SV_VM_Begin();
2991                 World_End(&sv.world);
2992                 if(prog->funcoffsets.SV_Shutdown)
2993                 {
2994                         func_t s = prog->funcoffsets.SV_Shutdown;
2995                         prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
2996                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
2997                 }
2998                 SV_VM_End();
2999         }
3000
3001         // free q3 shaders so that any newly downloaded shaders will be active
3002         Mod_FreeQ3Shaders();
3003
3004         worldmodel = Mod_ForName(modelname, false, true, NULL);
3005         if (!worldmodel || !worldmodel->TraceBox)
3006         {
3007                 Con_Printf("Couldn't load map %s\n", modelname);
3008                 return;
3009         }
3010
3011         // let's not have any servers with no name
3012         if (hostname.string[0] == 0)
3013                 Cvar_Set ("hostname", "UNNAMED");
3014         scr_centertime_off = 0;
3015
3016         svs.changelevel_issued = false;         // now safe to issue another
3017
3018         // make the map a required file for clients
3019         Curl_ClearRequirements();
3020         Curl_RequireFile(modelname);
3021
3022 //
3023 // tell all connected clients that we are going to a new level
3024 //
3025         if (sv.active)
3026         {
3027                 client_t *client;
3028                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3029                 {
3030                         if (client->netconnection)
3031                         {
3032                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3033                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3034                         }
3035                 }
3036         }
3037         else
3038         {
3039                 // open server port
3040                 NetConn_OpenServerPorts(true);
3041         }
3042
3043 //
3044 // make cvars consistant
3045 //
3046         if (coop.integer)
3047                 Cvar_SetValue ("deathmatch", 0);
3048         // LordHavoc: it can be useful to have skills outside the range 0-3...
3049         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3050         //Cvar_SetValue ("skill", (float)current_skill);
3051         current_skill = (int)(skill.value + 0.5);
3052
3053 //
3054 // set up the new server
3055 //
3056         memset (&sv, 0, sizeof(sv));
3057         // if running a local client, make sure it doesn't try to access the last
3058         // level's data which is no longer valiud
3059         cls.signon = 0;
3060
3061         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3062
3063         if(*sv_random_seed.string)
3064         {
3065                 srand(sv_random_seed.integer);
3066                 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);
3067         }
3068
3069         SV_VM_Setup();
3070
3071         sv.active = true;
3072
3073         strlcpy (sv.name, server, sizeof (sv.name));
3074
3075         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3076         if (sv.protocol == PROTOCOL_UNKNOWN)
3077         {
3078                 char buffer[1024];
3079                 Protocol_Names(buffer, sizeof(buffer));
3080                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3081                 sv.protocol = PROTOCOL_QUAKE;
3082         }
3083
3084         SV_VM_Begin();
3085
3086 // load progs to get entity field count
3087         //PR_LoadProgs ( sv_progs.string );
3088
3089         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3090         sv.datagram.cursize = 0;
3091         sv.datagram.data = sv.datagram_buf;
3092
3093         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3094         sv.reliable_datagram.cursize = 0;
3095         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3096
3097         sv.signon.maxsize = sizeof(sv.signon_buf);
3098         sv.signon.cursize = 0;
3099         sv.signon.data = sv.signon_buf;
3100
3101 // leave slots at start for clients only
3102         //prog->num_edicts = svs.maxclients+1;
3103
3104         sv.state = ss_loading;
3105         prog->allowworldwrites = true;
3106         sv.paused = false;
3107
3108         prog->globals.server->time = sv.time = 1.0;
3109
3110         Mod_ClearUsed();
3111         worldmodel->used = true;
3112
3113         strlcpy (sv.name, server, sizeof (sv.name));
3114         strlcpy(sv.modelname, modelname, sizeof(sv.modelname));
3115         sv.worldmodel = worldmodel;
3116         sv.models[1] = sv.worldmodel;
3117
3118 //
3119 // clear world interaction links
3120 //
3121         World_SetSize(&sv.world, sv.worldmodel->name, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
3122         World_Start(&sv.world);
3123
3124         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3125
3126         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3127         strlcpy(sv.model_precache[1], sv.modelname, sizeof(sv.model_precache[1]));
3128         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3129         {
3130                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3131                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.modelname);
3132         }
3133         if(i < sv.worldmodel->brush.numsubmodels)
3134                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3135
3136 //
3137 // load the rest of the entities
3138 //
3139         // AK possible hack since num_edicts is still 0
3140         ent = PRVM_EDICT_NUM(0);
3141         memset (ent->fields.server, 0, prog->progs->entityfields * 4);
3142         ent->priv.server->free = false;
3143         ent->fields.server->model = PRVM_SetEngineString(sv.modelname);
3144         ent->fields.server->modelindex = 1;             // world model
3145         ent->fields.server->solid = SOLID_BSP;
3146         ent->fields.server->movetype = MOVETYPE_PUSH;
3147         VectorCopy(sv.world.mins, ent->fields.server->mins);
3148         VectorCopy(sv.world.maxs, ent->fields.server->maxs);
3149         VectorCopy(sv.world.mins, ent->fields.server->absmin);
3150         VectorCopy(sv.world.maxs, ent->fields.server->absmax);
3151
3152         if (coop.value)
3153                 prog->globals.server->coop = coop.integer;
3154         else
3155                 prog->globals.server->deathmatch = deathmatch.integer;
3156
3157         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
3158
3159 // serverflags are for cross level information (sigils)
3160         prog->globals.server->serverflags = svs.serverflags;
3161
3162         // we need to reset the spawned flag on all connected clients here so that
3163         // their thinks don't run during startup (before PutClientInServer)
3164         // we also need to set up the client entities now
3165         // and we need to set the ->edict pointers to point into the progs edicts
3166         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3167         {
3168                 host_client->spawned = false;
3169                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3170                 PRVM_ED_ClearEdict(host_client->edict);
3171         }
3172
3173         // load replacement entity file if found
3174         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true, NULL)))
3175         {
3176                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
3177                 PRVM_ED_LoadFromFile (entities);
3178                 Mem_Free(entities);
3179         }
3180         else
3181                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
3182
3183
3184         // LordHavoc: clear world angles (to fix e3m3.bsp)
3185         VectorClear(prog->edicts->fields.server->angles);
3186
3187 // all setup is completed, any further precache statements are errors
3188 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3189         prog->allowworldwrites = false;
3190
3191 // run two frames to allow everything to settle
3192         prog->globals.server->time = sv.time = 1.0001;
3193         for (i = 0;i < 2;i++)
3194         {
3195                 sv.frametime = 0.1;
3196                 SV_Physics ();
3197         }
3198
3199         if (cls.state == ca_dedicated)
3200                 Mod_PurgeUnused();
3201
3202 // create a baseline for more efficient communications
3203         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)
3204                 SV_CreateBaseline ();
3205
3206         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3207
3208         // to prevent network timeouts
3209         realtime = Sys_DoubleTime();
3210
3211 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3212         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3213         {
3214                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3215                 if (!host_client->active)
3216                         continue;
3217                 if (host_client->netconnection)
3218                         SV_SendServerinfo(host_client);
3219                 else
3220                 {
3221                         int j;
3222                         // if client is a botclient coming from a level change, we need to
3223                         // set up client info that normally requires networking
3224
3225                         // copy spawn parms out of the client_t
3226                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3227                                 (&prog->globals.server->parm1)[j] = host_client->spawn_parms[j];
3228
3229                         // call the spawn function
3230                         host_client->clientconnectcalled = true;
3231                         prog->globals.server->time = sv.time;
3232                         prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3233                         PRVM_ExecuteProgram (prog->globals.server->ClientConnect, "QC function ClientConnect is missing");
3234                         PRVM_ExecuteProgram (prog->globals.server->PutClientInServer, "QC function PutClientInServer is missing");
3235                         host_client->spawned = true;
3236                 }
3237         }
3238
3239         Con_DPrint("Server spawned.\n");
3240         NetConn_Heartbeat (2);
3241
3242         SV_VM_End();
3243 }
3244
3245 /////////////////////////////////////////////////////
3246 // SV VM stuff
3247
3248 static void SV_VM_CB_BeginIncreaseEdicts(void)
3249 {
3250         // links don't survive the transition, so unlink everything
3251         World_UnlinkAll(&sv.world);
3252 }
3253
3254 static void SV_VM_CB_EndIncreaseEdicts(void)
3255 {
3256         int i;
3257         prvm_edict_t *ent;
3258
3259         // link every entity except world
3260         for (i = 1, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
3261                 if (!ent->priv.server->free)
3262                         SV_LinkEdict(ent);
3263 }
3264
3265 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3266 {
3267         // LordHavoc: for consistency set these here
3268         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3269
3270         e->priv.server->move = false; // don't move on first frame
3271
3272         if (num >= 0 && num < svs.maxclients)
3273         {
3274                 prvm_eval_t *val;
3275                 // set colormap and team on newly created player entity
3276                 e->fields.server->colormap = num + 1;
3277                 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
3278                 // set netname/clientcolors back to client values so that
3279                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3280                 // reset them
3281                 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
3282                 if ((val = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.clientcolors)))
3283                         val->_float = svs.clients[num].colors;
3284                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3285                 if( prog->fieldoffsets.playermodel >= 0 )
3286                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(svs.clients[num].playermodel);
3287                 if( prog->fieldoffsets.playerskin >= 0 )
3288                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(svs.clients[num].playerskin);
3289                 // Assign netaddress (IP Address, etc)
3290                 if(prog->fieldoffsets.netaddress >= 0)
3291                 { // Valid Field; Process
3292                         if(svs.clients[num].netconnection != NULL)
3293                         {// Valid Address; Assign
3294                                 // Acquire Readable Address
3295                                 LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3296                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString(svs.clients[num].netaddress);
3297                         }
3298                         else
3299                                 // Invalid / Bot
3300                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString("null/botclient");
3301                 }
3302         }
3303 }
3304
3305 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3306 {
3307         int i;
3308         int e;
3309
3310         World_UnlinkEdict(ed);          // unlink from world bsp
3311
3312         ed->fields.server->model = 0;
3313         ed->fields.server->takedamage = 0;
3314         ed->fields.server->modelindex = 0;
3315         ed->fields.server->colormap = 0;
3316         ed->fields.server->skin = 0;
3317         ed->fields.server->frame = 0;
3318         VectorClear(ed->fields.server->origin);
3319         VectorClear(ed->fields.server->angles);
3320         ed->fields.server->nextthink = -1;
3321         ed->fields.server->solid = 0;
3322
3323         VM_RemoveEdictSkeleton(ed);
3324         World_Physics_RemoveFromEntity(&sv.world, ed);
3325         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3326
3327         // make sure csqc networking is aware of the removed entity
3328         e = PRVM_NUM_FOR_EDICT(ed);
3329         sv.csqcentityversion[e] = 0;
3330         for (i = 0;i < svs.maxclients;i++)
3331         {
3332                 if (svs.clients[i].csqcentityscope[e])
3333                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3334                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3335         }
3336 }
3337
3338 static void SV_VM_CB_CountEdicts(void)
3339 {
3340         int             i;
3341         prvm_edict_t    *ent;
3342         int             active, models, solid, step;
3343
3344         active = models = solid = step = 0;
3345         for (i=0 ; i<prog->num_edicts ; i++)
3346         {
3347                 ent = PRVM_EDICT_NUM(i);
3348                 if (ent->priv.server->free)
3349                         continue;
3350                 active++;
3351                 if (ent->fields.server->solid)
3352                         solid++;
3353                 if (ent->fields.server->model)
3354                         models++;
3355                 if (ent->fields.server->movetype == MOVETYPE_STEP)
3356                         step++;
3357         }
3358
3359         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3360         Con_Printf("active    :%3i\n", active);
3361         Con_Printf("view      :%3i\n", models);
3362         Con_Printf("touch     :%3i\n", solid);
3363         Con_Printf("step      :%3i\n", step);
3364 }
3365
3366 static qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
3367 {
3368         // remove things from different skill levels or deathmatch
3369         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3370         {
3371                 if (deathmatch.integer)
3372                 {
3373                         if (((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
3374                         {
3375                                 return false;
3376                         }
3377                 }
3378                 else if ((current_skill <= 0 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_EASY  ))
3379                         || (current_skill == 1 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_MEDIUM))
3380                         || (current_skill >= 2 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_HARD  )))
3381                 {
3382                         return false;
3383                 }
3384         }
3385         return true;
3386 }
3387
3388 static void SV_VM_Setup(void)
3389 {
3390         PRVM_Begin;
3391         PRVM_InitProg( PRVM_SERVERPROG );
3392
3393         // allocate the mempools
3394         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3395         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3396         prog->builtins = vm_sv_builtins;
3397         prog->numbuiltins = vm_sv_numbuiltins;
3398         prog->headercrc = PROGHEADER_CRC;
3399         prog->headercrc2 = PROGHEADER_CRC_TENEBRAE;
3400         prog->max_edicts = 512;
3401         if (sv.protocol == PROTOCOL_QUAKE)
3402                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3403         else if (sv.protocol == PROTOCOL_QUAKEDP)
3404                 prog->limit_edicts = 2048; // guessing
3405         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3406                 prog->limit_edicts = 2048; // guessing!
3407         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3408                 prog->limit_edicts = 4096; // guessing!
3409         else
3410                 prog->limit_edicts = MAX_EDICTS;
3411         prog->reserved_edicts = svs.maxclients;
3412         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3413         prog->name = "server";
3414         prog->extensionstring = vm_sv_extensions;
3415         prog->loadintoworld = true;
3416
3417         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
3418         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
3419         prog->init_edict = SV_VM_CB_InitEdict;
3420         prog->free_edict = SV_VM_CB_FreeEdict;
3421         prog->count_edicts = SV_VM_CB_CountEdicts;
3422         prog->load_edict = SV_VM_CB_LoadEdict;
3423         prog->init_cmd = VM_SV_Cmd_Init;
3424         prog->reset_cmd = VM_SV_Cmd_Reset;
3425         prog->error_cmd = Host_Error;
3426         prog->ExecuteProgram = SVVM_ExecuteProgram;
3427
3428         // TODO: add a requiredfuncs list (ask LH if this is necessary at all)
3429         PRVM_LoadProgs( sv_progs.string, 0, NULL, REQFIELDS, reqfields, 0, NULL );
3430
3431         // some mods compiled with scrambling compilers lack certain critical
3432         // global names and field names such as "self" and "time" and "nextthink"
3433         // so we have to set these offsets manually, matching the entvars_t
3434         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3435         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3436         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3437         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3438         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3439         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3440         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3441         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3442         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3443         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3444         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3445         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3446         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3447         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3448         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3449         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3450         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3451         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3452         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3453         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3454         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3455         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3456         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3457         // OP_STATE is always supported on server (due to entvars_t)
3458         prog->flag |= PRVM_OP_STATE;
3459
3460         VM_CustomStats_Clear();//[515]: csqc
3461
3462         PRVM_End;
3463
3464         SV_Prepare_CSQC();
3465 }
3466
3467 void SV_VM_Begin(void)
3468 {
3469         PRVM_Begin;
3470         PRVM_SetProg( PRVM_SERVERPROG );
3471
3472         prog->globals.server->time = (float) sv.time;
3473 }
3474
3475 void SV_VM_End(void)
3476 {
3477         PRVM_End;
3478 }