sv_main.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // sv_main.c -- server main program
  21
  22 #include "quakedef.h"
  23 #include "sv_demo.h"
  24 #include "libcurl.h"
  25 #include "csprogs.h"
  26
  27 static void SV_SaveEntFile_f(void);
  28 static void SV_StartDownload_f(void);
  29 static void SV_Download_f(void);
  30 static void SV_VM_Setup(void);
  31 extern cvar_t net_connecttimeout;
  32
  33 void VM_CustomStats_Clear (void);
  34 void VM_SV_UpdateCustomStats (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats);
  35
  36 cvar_t coop = {0, "coop","0", "coop mode, 0 = no coop, 1 = coop mode, multiple players playing through the singleplayer game (coop mode also shuts off deathmatch)"};
  37 cvar_t deathmatch = {0, "deathmatch","0", "deathmatch mode, values depend on mod but typically 0 = no deathmatch, 1 = normal deathmatch with respawning weapons, 2 = weapons stay (players can only pick up new weapons)"};
  38 cvar_t fraglimit = {CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
  39 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
  40 cvar_t noexit = {CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
  41 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
  42 cvar_t pausable = {0, "pausable","1", "allow players to pause or not"};
  43 cvar_t pr_checkextension = {CVAR_READONLY, "pr_checkextension", "1", "indicates to QuakeC that the standard quakec extensions system is available (if 0, quakec should not attempt to use extensions)"};
  44 cvar_t samelevel = {CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
  45 cvar_t skill = {0, "skill","1", "difficulty level of game, affects monster layouts in levels, 0 = easy, 1 = normal, 2 = hard, 3 = nightmare (same layout as hard but monsters fire twice)"};
  46 cvar_t slowmo = {0, "slowmo", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
  47
  48 cvar_t sv_accelerate = {0, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
  49 cvar_t sv_aim = {CVAR_SAVE, "sv_aim", "2", "maximum cosine angle for quake's vertical autoaim, a value above 1 completely disables the autoaim, quake used 0.93"};
  50 cvar_t sv_airaccel_qw = {0, "sv_airaccel_qw", "1", "ratio of QW-style air control as opposed to simple acceleration"};
  51 cvar_t sv_airaccel_sideways_friction = {0, "sv_airaccel_sideways_friction", "", "anti-sideways movement stabilization (reduces speed gain when zigzagging)"};
  52 cvar_t sv_airaccelerate = {0, "sv_airaccelerate", "-1", "rate at which a player accelerates to sv_maxairspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
  53 cvar_t sv_airstopaccelerate = {0, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
  54 cvar_t sv_airstrafeaccelerate = {0, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
  55 cvar_t sv_maxairstrafespeed = {0, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
  56 cvar_t sv_aircontrol = {0, "sv_aircontrol", "0", "CPMA-style air control"};
  57 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
  58 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
  59 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
  60 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
  61 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
  62 cvar_t sv_areagrid_mingridsize = {CVAR_NOTIFY, "sv_areagrid_mingridsize", "64", "minimum areagrid cell size, smaller values work better for lots of small objects, higher values for large objects"};
  63 cvar_t sv_checkforpacketsduringsleep = {0, "sv_checkforpacketsduringsleep", "0", "uses select() function to wait between frames which can be interrupted by packets being received, instead of Sleep()/usleep()/SDL_Sleep() functions which do not check for packets"};
  64 cvar_t sv_clmovement_enable = {0, "sv_clmovement_enable", "1", "whether to allow clients to use cl_movement prediction, which can cause choppy movement on the server which may annoy other players"};
  65 cvar_t sv_clmovement_minping = {0, "sv_clmovement_minping", "0", "if client ping is below this time in milliseconds, then their ability to use cl_movement prediction is disabled for a while (as they don't need it)"};
  66 cvar_t sv_clmovement_minping_disabletime = {0, "sv_clmovement_minping_disabletime", "1000", "when client falls below minping, disable their prediction for this many milliseconds (should be at least 1000 or else their prediction may turn on/off frequently)"};
  67 cvar_t sv_clmovement_inputtimeout = {0, "sv_clmovement_inputtimeout", "0.2", "when a client does not send input for this many seconds, force them to move anyway (unlike QuakeWorld)"};
  68 cvar_t sv_cullentities_nevercullbmodels = {0, "sv_cullentities_nevercullbmodels", "0", "if enabled the clients are always notified of moving doors and lifts and other submodels of world (warning: eats a lot of network bandwidth on some levels!)"};
  69 cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
  70 cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  71 cvar_t sv_cullentities_trace = {0, "sv_cullentities_trace", "0", "somewhat slow but very tight culling of hidden entities, minimizes network traffic and makes wallhack cheats useless"};
  72 cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  73 cvar_t sv_cullentities_trace_delay_players = {0, "sv_cullentities_trace_delay_players", "0.2", "number of seconds until the entity gets actually culled if it is a player entity"};
  74 cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  75 cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
  76 cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "1", "number of samples to test for entity culling"};
  77 cvar_t sv_cullentities_trace_samples_extra = {0, "sv_cullentities_trace_samples_extra", "2", "number of samples to test for entity culling when the entity affects its surroundings by e.g. dlight"};
  78 cvar_t sv_cullentities_trace_samples_players = {0, "sv_cullentities_trace_samples_players", "8", "number of samples to test for entity culling when the entity is a player entity"};
  79 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
  80 cvar_t sv_echobprint = {CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
  81 cvar_t sv_edgefriction = {0, "edgefriction", "1", "how much you slow down when nearing a ledge you might fall off, multiplier of sv_friction (Quake used 2, QuakeWorld used 1 due to a bug in physics code)"};
  82 cvar_t sv_entpatch = {0, "sv_entpatch", "1", "enables loading of .ent files to override entities in the bsp (for example Threewave CTF server pack contains .ent patch files enabling play of CTF on id1 maps)"};
  83 cvar_t sv_fixedframeratesingleplayer = {0, "sv_fixedframeratesingleplayer", "1", "allows you to use server-style timing system in singleplayer (don't run faster than sys_ticrate)"};
  84 cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
  85 cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
  86 cvar_t sv_gameplayfix_blowupfallenzombies = {0, "sv_gameplayfix_blowupfallenzombies", "1", "causes findradius to detect SOLID_NOT entities such as zombies and corpses on the floor, allowing splash damage to apply to them"};
  87 cvar_t sv_gameplayfix_delayprojectiles = {0, "sv_gameplayfix_delayprojectiles", "1", "causes entities to not move on the same frame they are spawned, meaning that projectiles wait until the next frame to perform their first move, giving proper interpolation and rocket trails, but making weapons harder to use at low framerates"};
  88 cvar_t sv_gameplayfix_droptofloorstartsolid = {0, "sv_gameplayfix_droptofloorstartsolid", "1", "prevents items and monsters that start in a solid area from falling out of the level (makes droptofloor treat trace_startsolid as an acceptable outcome)"};
  89 cvar_t sv_gameplayfix_droptofloorstartsolid_nudgetocorrect = {0, "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect", "1", "tries to nudge stuck items and monsters out of walls before droptofloor is performed"};
  90 cvar_t sv_gameplayfix_easierwaterjump = {0, "sv_gameplayfix_easierwaterjump", "1", "changes water jumping to make it easier to get out of water (exactly like in QuakeWorld)"};
  91 cvar_t sv_gameplayfix_findradiusdistancetobox = {0, "sv_gameplayfix_findradiusdistancetobox", "1", "causes findradius to check the distance to the corner of a box rather than the center of the box, makes findradius detect bmodels such as very large doors that would otherwise be unaffected by splash damage"};
  92 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
  93 cvar_t sv_gameplayfix_multiplethinksperframe = {0, "sv_gameplayfix_multiplethinksperframe", "1", "allows entities to think more often than the server framerate, primarily useful for very high fire rate weapons"};
  94 cvar_t sv_gameplayfix_slidemoveprojectiles = {0, "sv_gameplayfix_slidemoveprojectiles", "1", "allows MOVETYPE_FLY/FLYMISSILE/TOSS/BOUNCE/BOUNCEMISSILE entities to finish their move in a frame even if they hit something, fixes 'gravity accumulation' bug for grenades on steep slopes"};
  95 cvar_t sv_gameplayfix_noairborncorpse = {0, "sv_gameplayfix_noairborncorpse", "1", "causes entities (corpses, items, etc) sitting ontop of moving entities (players) to fall when the moving entity (player) is no longer supporting them"};
  96 cvar_t sv_gameplayfix_noairborncorpse_allowsuspendeditems = {0, "sv_gameplayfix_noairborncorpse_allowsuspendeditems", "1", "causes entities sitting ontop of objects that are instantaneously remove to float in midair (special hack to allow a common level design trick for floating items)"};
  97 cvar_t sv_gameplayfix_setmodelrealbox = {0, "sv_gameplayfix_setmodelrealbox", "1", "fixes a bug in Quake that made setmodel always set the entity box to ('-16 -16 -16', '16 16 16') rather than properly checking the model box, breaks some poorly coded mods"};
  98 cvar_t sv_gameplayfix_stepdown = {0, "sv_gameplayfix_stepdown", "0", "attempts to step down stairs, not just up them (prevents the familiar thud..thud..thud.. when running down stairs and slopes)"};
  99 cvar_t sv_gameplayfix_stepwhilejumping = {0, "sv_gameplayfix_stepwhilejumping", "1", "applies step-up onto a ledge even while airborn, useful if you would otherwise just-miss the floor when running across small areas with gaps (for instance running across the moving platforms in dm2, or jumping to the megahealth and red armor in dm2 rather than using the bridge)"};
 100 cvar_t sv_gameplayfix_swiminbmodels = {0, "sv_gameplayfix_swiminbmodels", "1", "causes pointcontents (used to determine if you are in a liquid) to check bmodel entities as well as the world model, so you can swim around in (possibly moving) water bmodel entities"};
 101 cvar_t sv_gameplayfix_upwardvelocityclearsongroundflag = {0, "sv_gameplayfix_upwardvelocityclearsongroundflag", "1", "prevents monsters, items, and most other objects from being stuck to the floor when pushed around by damage, and other situations in mods"};
 102 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
 103 cvar_t sv_gameplayfix_q2airaccelerate = {0, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
 104 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
 105 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
 106 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
 107 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
 108 cvar_t sv_maxairspeed = {0, "sv_maxairspeed", "30", "maximum speed a player can accelerate to when airborn (note that it is possible to completely stop by moving the opposite direction)"};
 109 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
 110 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
 111 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
 112 cvar_t sv_newflymove = {CVAR_NOTIFY, "sv_newflymove", "0", "enables simpler/buggier player physics (not recommended)"};
 113 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
 114 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
 115 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
 116 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
 117 cvar_t sv_random_seed = {0, "sv_random_seed", "", "random seed; when set, on every map start this random seed is used to initialize the random number generator. Don't touch it unless for benchmarking or debugging"};
 118 cvar_t sv_ratelimitlocalplayer = {0, "sv_ratelimitlocalplayer", "0", "whether to apply rate limiting to the local player in a listen server (only useful for testing)"};
 119 cvar_t sv_sound_land = {0, "sv_sound_land", "demon/dland2.wav", "sound to play when MOVETYPE_STEP entity hits the ground at high speed (empty cvar disables the sound)"};
 120 cvar_t sv_sound_watersplash = {0, "sv_sound_watersplash", "misc/h2ohit1.wav", "sound to play when MOVETYPE_FLY/TOSS/BOUNCE/STEP entity enters or leaves water (empty cvar disables the sound)"};
 121 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
 122 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
 123 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
 124 cvar_t sv_wateraccelerate = {0, "sv_wateraccelerate", "-1", "rate at which a player accelerates to sv_maxspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
 125 cvar_t sv_waterfriction = {CVAR_NOTIFY, "sv_waterfriction","-1", "how fast you slow down, if less than 0 the sv_friction variable is used instead"};
 126 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
 127 cvar_t sv_warsowbunny_accel = {0, "sv_warsowbunny_accel", "0.1585", "how fast you accelerate until after reaching sv_maxspeed (it gets harder as you near sv_warsowbunny_topspeed)"};
 128 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
 129 cvar_t sv_warsowbunny_turnaccel = {0, "sv_warsowbunny_turnaccel", "0", "max sharpness of turns (also master switch for the sv_warsowbunny_* mode; set this to 9 to enable)"};
 130 cvar_t sv_warsowbunny_backtosideratio = {0, "sv_warsowbunny_backtosideratio", "0.8", "lower values make it easier to change direction without losing speed; the drawback is \"understeering\" in sharp turns"};
 131 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
 132 cvar_t sys_ticrate = {CVAR_SAVE, "sys_ticrate","0.0138889", "how long a server frame is in seconds, 0.05 is 20fps server rate, 0.1 is 10fps (can not be set higher than 0.1), 0 runs as many server frames as possible (makes games against bots a little smoother, overwhelms network players), 0.0138889 matches QuakeWorld physics"};
 133 cvar_t teamplay = {CVAR_NOTIFY, "teamplay","0", "teamplay mode, values depend on mod but typically 0 = no teams, 1 = no team damage no self damage, 2 = team damage and self damage, some mods support 3 = no team damage but can damage self"};
 134 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
 135
 136 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 137 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 138 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 139 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 140 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
 141 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
 142 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
 143 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
 144 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
 145 cvar_t temp1 = {0, "temp1","0", "general cvar for mods to use, in stock id1 this selects which death animation to use on players (0 = random death, other values select specific death scenes)"};
 146
 147 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
 148 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
 149 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
 150 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
 151 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
 152 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
 153 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
 154 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
 155 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
 156 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
 157 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
 158 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
 159 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
 160 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
 161 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
 162 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
 163 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
 164 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
 165 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
 166 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
 167 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
 168
 169 cvar_t sv_autodemo_perclient = {CVAR_SAVE, "sv_autodemo_perclient", "0", "set to 1 to enable autorecorded per-client demos (they'll start to record at the beginning of a match); set it to 2 to also record client->server packets (for debugging)"};
 170 cvar_t sv_autodemo_perclient_nameformat = {CVAR_SAVE, "sv_autodemo_perclient_nameformat", "sv_autodemos/%Y-%m-%d_%H-%M", "The format of the sv_autodemo_perclient filename, followed by the map name, the client number and the IP address + port number, separated by underscores (the date is encoded using strftime escapes)" };
 171
 172 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
 173
 174 server_t sv;
 175 server_static_t svs;
 176
 177 mempool_t *sv_mempool = NULL;
 178
 179 extern cvar_t slowmo;
 180 extern float            scr_centertime_off;
 181
 182 // MUST match effectnameindex_t in client.h
 183 static const char *standardeffectnames[EFFECT_TOTAL] =
 184 {
 185         "",
 186         "TE_GUNSHOT",
 187         "TE_GUNSHOTQUAD",
 188         "TE_SPIKE",
 189         "TE_SPIKEQUAD",
 190         "TE_SUPERSPIKE",
 191         "TE_SUPERSPIKEQUAD",
 192         "TE_WIZSPIKE",
 193         "TE_KNIGHTSPIKE",
 194         "TE_EXPLOSION",
 195         "TE_EXPLOSIONQUAD",
 196         "TE_TAREXPLOSION",
 197         "TE_TELEPORT",
 198         "TE_LAVASPLASH",
 199         "TE_SMALLFLASH",
 200         "TE_FLAMEJET",
 201         "EF_FLAME",
 202         "TE_BLOOD",
 203         "TE_SPARK",
 204         "TE_PLASMABURN",
 205         "TE_TEI_G3",
 206         "TE_TEI_SMOKE",
 207         "TE_TEI_BIGEXPLOSION",
 208         "TE_TEI_PLASMAHIT",
 209         "EF_STARDUST",
 210         "TR_ROCKET",
 211         "TR_GRENADE",
 212         "TR_BLOOD",
 213         "TR_WIZSPIKE",
 214         "TR_SLIGHTBLOOD",
 215         "TR_KNIGHTSPIKE",
 216         "TR_VORESPIKE",
 217         "TR_NEHAHRASMOKE",
 218         "TR_NEXUIZPLASMA",
 219         "TR_GLOWTRAIL",
 220         "SVC_PARTICLE"
 221 };
 222
 223 #define REQFIELDS (sizeof(reqfields) / sizeof(prvm_required_field_t))
 224
 225 prvm_required_field_t reqfields[] =
 226 {
 227         {ev_entity, "cursor_trace_ent"},
 228         {ev_entity, "drawonlytoclient"},
 229         {ev_entity, "exteriormodeltoclient"},
 230         {ev_entity, "nodrawtoclient"},
 231         {ev_entity, "tag_entity"},
 232         {ev_entity, "viewmodelforclient"},
 233         {ev_float, "SendFlags"},
 234         {ev_float, "Version"},
 235         {ev_float, "alpha"},
 236         {ev_float, "ammo_cells1"},
 237         {ev_float, "ammo_lava_nails"},
 238         {ev_float, "ammo_multi_rockets"},
 239         {ev_float, "ammo_nails1"},
 240         {ev_float, "ammo_plasma"},
 241         {ev_float, "ammo_rockets1"},
 242         {ev_float, "ammo_shells1"},
 243         {ev_float, "button3"},
 244         {ev_float, "button4"},
 245         {ev_float, "button5"},
 246         {ev_float, "button6"},
 247         {ev_float, "button7"},
 248         {ev_float, "button8"},
 249         {ev_float, "button9"},
 250         {ev_float, "button10"},
 251         {ev_float, "button11"},
 252         {ev_float, "button12"},
 253         {ev_float, "button13"},
 254         {ev_float, "button14"},
 255         {ev_float, "button15"},
 256         {ev_float, "button16"},
 257         {ev_float, "buttonchat"},
 258         {ev_float, "buttonuse"},
 259         {ev_float, "clientcolors"},
 260         {ev_float, "cursor_active"},
 261         {ev_float, "disableclientprediction"},
 262         {ev_float, "fullbright"},
 263         {ev_float, "glow_color"},
 264         {ev_float, "glow_size"},
 265         {ev_float, "glow_trail"},
 266         {ev_float, "gravity"},
 267         {ev_float, "idealpitch"},
 268         {ev_float, "items2"},
 269         {ev_float, "light_lev"},
 270         {ev_float, "modelflags"},
 271         {ev_float, "pflags"},
 272         {ev_float, "ping"},
 273         {ev_float, "pitch_speed"},
 274         {ev_float, "pmodel"},
 275         {ev_float, "renderamt"}, // HalfLife support
 276         {ev_float, "rendermode"}, // HalfLife support
 277         {ev_float, "scale"},
 278         {ev_float, "style"},
 279         {ev_float, "tag_index"},
 280         {ev_float, "viewzoom"},
 281         {ev_function, "SendEntity"},
 282         {ev_function, "contentstransition"}, // DRESK - Support for Entity Contents Transition Event
 283         {ev_function, "customizeentityforclient"},
 284         {ev_function, "movetypesteplandevent"}, // DRESK - Support for MOVETYPE_STEP Entity Land Event
 285         {ev_string, "netaddress"},
 286         {ev_string, "playermodel"},
 287         {ev_string, "playerskin"},
 288         {ev_vector, "color"},
 289         {ev_vector, "colormod"},
 290         {ev_vector, "cursor_screen"},
 291         {ev_vector, "cursor_trace_endpos"},
 292         {ev_vector, "cursor_trace_start"},
 293         {ev_vector, "movement"},
 294         {ev_vector, "punchvector"},
 295 };
 296
 297
 298
 299 //============================================================================
 300
 301 void SV_AreaStats_f(void)
 302 {
 303         World_PrintAreaStats(&sv.world, "server");
 304 }
 305
 306 /*
 307 ===============
 308 SV_Init
 309 ===============
 310 */
 311 void SV_Init (void)
 312 {
 313         // init the csqc progs cvars, since they are updated/used by the server code
 314         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
 315         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
 316         extern cvar_t csqc_progcrc;
 317         extern cvar_t csqc_progsize;
 318         Cvar_RegisterVariable (&csqc_progname);
 319         Cvar_RegisterVariable (&csqc_progcrc);
 320         Cvar_RegisterVariable (&csqc_progsize);
 321
 322         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
 323         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
 324         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
 325         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
 326
 327         Cvar_RegisterVariable (&coop);
 328         Cvar_RegisterVariable (&deathmatch);
 329         Cvar_RegisterVariable (&fraglimit);
 330         Cvar_RegisterVariable (&gamecfg);
 331         Cvar_RegisterVariable (&noexit);
 332         Cvar_RegisterVariable (&nomonsters);
 333         Cvar_RegisterVariable (&pausable);
 334         Cvar_RegisterVariable (&pr_checkextension);
 335         Cvar_RegisterVariable (&samelevel);
 336         Cvar_RegisterVariable (&skill);
 337         Cvar_RegisterVariable (&slowmo);
 338         Cvar_RegisterVariable (&sv_accelerate);
 339         Cvar_RegisterVariable (&sv_aim);
 340         Cvar_RegisterVariable (&sv_airaccel_qw);
 341         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
 342         Cvar_RegisterVariable (&sv_airaccelerate);
 343         Cvar_RegisterVariable (&sv_airstopaccelerate);
 344         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
 345         Cvar_RegisterVariable (&sv_maxairstrafespeed);
 346         Cvar_RegisterVariable (&sv_aircontrol);
 347         Cvar_RegisterVariable (&sv_allowdownloads);
 348         Cvar_RegisterVariable (&sv_allowdownloads_archive);
 349         Cvar_RegisterVariable (&sv_allowdownloads_config);
 350         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
 351         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
 352         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
 353         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
 354         Cvar_RegisterVariable (&sv_clmovement_enable);
 355         Cvar_RegisterVariable (&sv_clmovement_minping);
 356         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
 357         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
 358         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
 359         Cvar_RegisterVariable (&sv_cullentities_pvs);
 360         Cvar_RegisterVariable (&sv_cullentities_stats);
 361         Cvar_RegisterVariable (&sv_cullentities_trace);
 362         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
 363         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
 364         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
 365         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
 366         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
 367         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
 368         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
 369         Cvar_RegisterVariable (&sv_debugmove);
 370         Cvar_RegisterVariable (&sv_echobprint);
 371         Cvar_RegisterVariable (&sv_edgefriction);
 372         Cvar_RegisterVariable (&sv_entpatch);
 373         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
 374         Cvar_RegisterVariable (&sv_freezenonclients);
 375         Cvar_RegisterVariable (&sv_friction);
 376         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
 377         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
 378         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
 379         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
 380         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
 381         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
 382         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
 383         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
 384         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
 385         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
 386         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
 387         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
 388         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
 389         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
 390         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
 391         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
 392         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
 393         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
 394         Cvar_RegisterVariable (&sv_gravity);
 395         Cvar_RegisterVariable (&sv_idealpitchscale);
 396         Cvar_RegisterVariable (&sv_jumpstep);
 397         Cvar_RegisterVariable (&sv_jumpvelocity);
 398         Cvar_RegisterVariable (&sv_maxairspeed);
 399         Cvar_RegisterVariable (&sv_maxrate);
 400         Cvar_RegisterVariable (&sv_maxspeed);
 401         Cvar_RegisterVariable (&sv_maxvelocity);
 402         Cvar_RegisterVariable (&sv_newflymove);
 403         Cvar_RegisterVariable (&sv_nostep);
 404         Cvar_RegisterVariable (&sv_playerphysicsqc);
 405         Cvar_RegisterVariable (&sv_progs);
 406         Cvar_RegisterVariable (&sv_protocolname);
 407         Cvar_RegisterVariable (&sv_random_seed);
 408         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
 409         Cvar_RegisterVariable (&sv_sound_land);
 410         Cvar_RegisterVariable (&sv_sound_watersplash);
 411         Cvar_RegisterVariable (&sv_stepheight);
 412         Cvar_RegisterVariable (&sv_stopspeed);
 413         Cvar_RegisterVariable (&sv_wallfriction);
 414         Cvar_RegisterVariable (&sv_wateraccelerate);
 415         Cvar_RegisterVariable (&sv_waterfriction);
 416         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
 417         Cvar_RegisterVariable (&sv_warsowbunny_accel);
 418         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
 419         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
 420         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
 421         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
 422         Cvar_RegisterVariable (&sys_ticrate);
 423         Cvar_RegisterVariable (&teamplay);
 424         Cvar_RegisterVariable (&timelimit);
 425
 426         Cvar_RegisterVariable (&saved1);
 427         Cvar_RegisterVariable (&saved2);
 428         Cvar_RegisterVariable (&saved3);
 429         Cvar_RegisterVariable (&saved4);
 430         Cvar_RegisterVariable (&savedgamecfg);
 431         Cvar_RegisterVariable (&scratch1);
 432         Cvar_RegisterVariable (&scratch2);
 433         Cvar_RegisterVariable (&scratch3);
 434         Cvar_RegisterVariable (&scratch4);
 435         Cvar_RegisterVariable (&temp1);
 436
 437         // LordHavoc: Nehahra uses these to pass data around cutscene demos
 438         if (gamemode == GAME_NEHAHRA)
 439         {
 440                 Cvar_RegisterVariable (&nehx00);
 441                 Cvar_RegisterVariable (&nehx01);
 442                 Cvar_RegisterVariable (&nehx02);
 443                 Cvar_RegisterVariable (&nehx03);
 444                 Cvar_RegisterVariable (&nehx04);
 445                 Cvar_RegisterVariable (&nehx05);
 446                 Cvar_RegisterVariable (&nehx06);
 447                 Cvar_RegisterVariable (&nehx07);
 448                 Cvar_RegisterVariable (&nehx08);
 449                 Cvar_RegisterVariable (&nehx09);
 450                 Cvar_RegisterVariable (&nehx10);
 451                 Cvar_RegisterVariable (&nehx11);
 452                 Cvar_RegisterVariable (&nehx12);
 453                 Cvar_RegisterVariable (&nehx13);
 454                 Cvar_RegisterVariable (&nehx14);
 455                 Cvar_RegisterVariable (&nehx15);
 456                 Cvar_RegisterVariable (&nehx16);
 457                 Cvar_RegisterVariable (&nehx17);
 458                 Cvar_RegisterVariable (&nehx18);
 459                 Cvar_RegisterVariable (&nehx19);
 460         }
 461         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
 462
 463         Cvar_RegisterVariable (&sv_autodemo_perclient);
 464         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
 465
 466         Cvar_RegisterVariable (&halflifebsp);
 467
 468         // any special defaults for gamemodes go here
 469         if (gamemode == GAME_NEHAHRA)
 470         {
 471                 // Nehahra pushable crates malfunction in some levels if this is on
 472                 Cvar_SetValueQuick (&sv_gameplayfix_upwardvelocityclearsongroundflag, 0);
 473                 // Nehahra NPC AI is confused by this feature
 474                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
 475         }
 476         if (gamemode == GAME_HIPNOTIC)
 477         {
 478                 // hipnotic mission pack has issues in their 'friendly monster' ai, which seem to attempt to attack themselves for some reason when findradius() returns non-solid entities.
 479                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
 480                 // hipnotic mission pack has issues with bobbing water entities 'jittering' between different heights on alternate frames at the default 0.0138889 ticrate, 0.02 avoids this issue
 481                 Cvar_SetValueQuick (&sys_ticrate, 0.02);
 482                 // hipnotic mission pack has issues in their proximity mine sticking code, which causes them to bounce off.
 483                 Cvar_SetValueQuick (&sv_gameplayfix_slidemoveprojectiles, 0);
 484         }
 485         if (gamemode == GAME_ROGUE)
 486         {
 487                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
 488                 Cvar_SetValueQuick (&sv_gameplayfix_findradiusdistancetobox, 0);
 489         }
 490         if (gamemode == GAME_NEXUIZ)
 491         {
 492                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
 493                 Cvar_SetValueQuick (&sv_gameplayfix_q2airaccelerate, 1);
 494         }
 495
 496         sv_mempool = Mem_AllocPool("server", 0, NULL);
 497 }
 498
 499 static void SV_SaveEntFile_f(void)
 500 {
 501         char basename[MAX_QPATH];
 502         if (!sv.active || !sv.worldmodel)
 503         {
 504                 Con_Print("Not running a server\n");
 505                 return;
 506         }
 507         FS_StripExtension(sv.worldmodel->name, basename, sizeof(basename));
 508         FS_WriteFile(va("%s.ent", basename), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 509 }
 510
 511
 512 /*
 513 =============================================================================
 514
 515 EVENT MESSAGES
 516
 517 =============================================================================
 518 */
 519
 520 /*
 521 ==================
 522 SV_StartParticle
 523
 524 Make sure the event gets sent to all clients
 525 ==================
 526 */
 527 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 528 {
 529         int i;
 530
 531         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 532                 return;
 533         MSG_WriteByte (&sv.datagram, svc_particle);
 534         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 535         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 536         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 537         for (i=0 ; i<3 ; i++)
 538                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
 539         MSG_WriteByte (&sv.datagram, count);
 540         MSG_WriteByte (&sv.datagram, color);
 541         SV_FlushBroadcastMessages();
 542 }
 543
 544 /*
 545 ==================
 546 SV_StartEffect
 547
 548 Make sure the event gets sent to all clients
 549 ==================
 550 */
 551 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 552 {
 553         if (modelindex >= 256 || startframe >= 256)
 554         {
 555                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 556                         return;
 557                 MSG_WriteByte (&sv.datagram, svc_effect2);
 558                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 559                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 560                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 561                 MSG_WriteShort (&sv.datagram, modelindex);
 562                 MSG_WriteShort (&sv.datagram, startframe);
 563                 MSG_WriteByte (&sv.datagram, framecount);
 564                 MSG_WriteByte (&sv.datagram, framerate);
 565         }
 566         else
 567         {
 568                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 569                         return;
 570                 MSG_WriteByte (&sv.datagram, svc_effect);
 571                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 572                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 573                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 574                 MSG_WriteByte (&sv.datagram, modelindex);
 575                 MSG_WriteByte (&sv.datagram, startframe);
 576                 MSG_WriteByte (&sv.datagram, framecount);
 577                 MSG_WriteByte (&sv.datagram, framerate);
 578         }
 579         SV_FlushBroadcastMessages();
 580 }
 581
 582 /*
 583 ==================
 584 SV_StartSound
 585
 586 Each entity can have eight independant sound sources, like voice,
 587 weapon, feet, etc.
 588
 589 Channel 0 is an auto-allocate channel, the others override anything
 590 already running on that entity/channel pair.
 591
 592 An attenuation of 0 will play full volume everywhere in the level.
 593 Larger attenuations will drop off.  (max 4 attenuation)
 594
 595 ==================
 596 */
 597 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
 598 {
 599         int sound_num, field_mask, i, ent;
 600
 601         if (volume < 0 || volume > 255)
 602         {
 603                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
 604                 return;
 605         }
 606
 607         if (attenuation < 0 || attenuation > 4)
 608         {
 609                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 610                 return;
 611         }
 612
 613         if (channel < 0 || channel > 7)
 614         {
 615                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 616                 return;
 617         }
 618
 619         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 620                 return;
 621
 622 // find precache number for sound
 623         sound_num = SV_SoundIndex(sample, 1);
 624         if (!sound_num)
 625                 return;
 626
 627         ent = PRVM_NUM_FOR_EDICT(entity);
 628
 629         field_mask = 0;
 630         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 631                 field_mask |= SND_VOLUME;
 632         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 633                 field_mask |= SND_ATTENUATION;
 634         if (ent >= 8192)
 635                 field_mask |= SND_LARGEENTITY;
 636         if (sound_num >= 256 || channel >= 8)
 637                 field_mask |= SND_LARGESOUND;
 638
 639 // directed messages go only to the entity they are targeted on
 640         MSG_WriteByte (&sv.datagram, svc_sound);
 641         MSG_WriteByte (&sv.datagram, field_mask);
 642         if (field_mask & SND_VOLUME)
 643                 MSG_WriteByte (&sv.datagram, volume);
 644         if (field_mask & SND_ATTENUATION)
 645                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 646         if (field_mask & SND_LARGEENTITY)
 647         {
 648                 MSG_WriteShort (&sv.datagram, ent);
 649                 MSG_WriteByte (&sv.datagram, channel);
 650         }
 651         else
 652                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
 653         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
 654                 MSG_WriteShort (&sv.datagram, sound_num);
 655         else
 656                 MSG_WriteByte (&sv.datagram, sound_num);
 657         for (i = 0;i < 3;i++)
 658                 MSG_WriteCoord (&sv.datagram, entity->fields.server->origin[i]+0.5*(entity->fields.server->mins[i]+entity->fields.server->maxs[i]), sv.protocol);
 659         SV_FlushBroadcastMessages();
 660 }
 661
 662 /*
 663 ==================
 664 SV_StartPointSound
 665
 666 Nearly the same logic as SV_StartSound, except an origin
 667 instead of an entity is provided and channel is omitted.
 668
 669 The entity sent to the client is 0 (world) and the channel
 670 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
 671 function, therefore the check for it is omitted.
 672
 673 ==================
 674 */
 675 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation)
 676 {
 677         int sound_num, field_mask, i;
 678
 679         if (volume < 0 || volume > 255)
 680         {
 681                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
 682                 return;
 683         }
 684
 685         if (attenuation < 0 || attenuation > 4)
 686         {
 687                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
 688                 return;
 689         }
 690
 691         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 692                 return;
 693
 694         // find precache number for sound
 695         sound_num = SV_SoundIndex(sample, 1);
 696         if (!sound_num)
 697                 return;
 698
 699         field_mask = 0;
 700         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 701                 field_mask |= SND_VOLUME;
 702         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 703                 field_mask |= SND_ATTENUATION;
 704         if (sound_num >= 256)
 705                 field_mask |= SND_LARGESOUND;
 706
 707 // directed messages go only to the entity they are targeted on
 708         MSG_WriteByte (&sv.datagram, svc_sound);
 709         MSG_WriteByte (&sv.datagram, field_mask);
 710         if (field_mask & SND_VOLUME)
 711                 MSG_WriteByte (&sv.datagram, volume);
 712         if (field_mask & SND_ATTENUATION)
 713                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
 714         // Always write entnum 0 for the world entity
 715         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
 716         if (field_mask & SND_LARGESOUND)
 717                 MSG_WriteShort (&sv.datagram, sound_num);
 718         else
 719                 MSG_WriteByte (&sv.datagram, sound_num);
 720         for (i = 0;i < 3;i++)
 721                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
 722         SV_FlushBroadcastMessages();
 723 }
 724
 725 /*
 726 ==============================================================================
 727
 728 CLIENT SPAWNING
 729
 730 ==============================================================================
 731 */
 732
 733 /*
 734 ================
 735 SV_SendServerinfo
 736
 737 Sends the first message from the server to a connected client.
 738 This will be sent on the initial connection and upon each server load.
 739 ================
 740 */
 741 void SV_SendServerinfo (client_t *client)
 742 {
 743         int i;
 744         char message[128];
 745
 746         // we know that this client has a netconnection and thus is not a bot
 747
 748         // edicts get reallocated on level changes, so we need to update it here
 749         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 750
 751         // clear cached stuff that depends on the level
 752         client->weaponmodel[0] = 0;
 753         client->weaponmodelindex = 0;
 754
 755         // LordHavoc: clear entityframe tracking
 756         client->latestframenum = 0;
 757
 758         // initialize the movetime, so a speedhack can't make use of the time before this client joined
 759         client->cmd.time = sv.time;
 760
 761         if (client->entitydatabase)
 762                 EntityFrame_FreeDatabase(client->entitydatabase);
 763         if (client->entitydatabase4)
 764                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 765         if (client->entitydatabase5)
 766                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 767
 768         memset(client->stats, 0, sizeof(client->stats));
 769         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
 770
 771         if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_NEHAHRABJP && sv.protocol != PROTOCOL_NEHAHRABJP2 && sv.protocol != PROTOCOL_NEHAHRABJP3)
 772         {
 773                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 774                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 775                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 776                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 777                 else
 778                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 779         }
 780
 781         // reset csqc entity versions
 782         for (i = 0;i < prog->max_edicts;i++)
 783         {
 784                 client->csqcentityscope[i] = 0;
 785                 client->csqcentitysendflags[i] = 0xFFFFFF;
 786                 client->csqcentityglobalhistory[i] = 0;
 787         }
 788         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
 789         {
 790                 client->csqcentityframehistory[i].num = 0;
 791                 client->csqcentityframehistory[i].framenum = -1;
 792         }
 793         client->csqcnumedicts = 0;
 794         client->csqcentityframehistory_next = 0;
 795
 796         SZ_Clear (&client->netconnection->message);
 797         MSG_WriteByte (&client->netconnection->message, svc_print);
 798         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)", gamename, buildstring, prog->filecrc);
 799         MSG_WriteString (&client->netconnection->message,message);
 800
 801         SV_StopDemoRecording(client); // to split up demos into different files
 802         if(sv_autodemo_perclient.integer && client->netconnection)
 803         {
 804                 char demofile[MAX_OSPATH];
 805                 char levelname[MAX_QPATH];
 806                 char ipaddress[MAX_QPATH];
 807                 size_t i;
 808
 809                 // start a new demo file
 810                 strlcpy(levelname, FS_FileWithoutPath(sv.worldmodel->name), sizeof(levelname));
 811                 if (strrchr(levelname, '.'))
 812                         *(strrchr(levelname, '.')) = 0;
 813
 814                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
 815                 for(i = 0; ipaddress[i]; ++i)
 816                         if(!isalnum(ipaddress[i]))
 817                                 ipaddress[i] = '-';
 818                 dpsnprintf (demofile, sizeof(demofile), "%s_%s_%d_%s.dem", Sys_TimeString (sv_autodemo_perclient_nameformat.string), levelname, PRVM_NUM_FOR_EDICT(client->edict), ipaddress);
 819
 820                 SV_StartDemoRecording(client, demofile, -1);
 821         }
 822
 823         //[515]: init csprogs according to version of svprogs, check the crc, etc.
 824         if (sv.csqc_progname[0])
 825         {
 826                 prvm_eval_t *val;
 827                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
 828                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 829                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
 830                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 831                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
 832                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 833                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
 834
 835                 if(client->sv_demo_file != NULL)
 836                 {
 837                         int i;
 838                         char buf[NET_MAXMESSAGE];
 839                         sizebuf_t sb;
 840
 841                         sb.data = (unsigned char *) buf;
 842                         sb.maxsize = sizeof(buf);
 843                         i = 0;
 844                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
 845                                 SV_WriteDemoMessage(client, &sb, false);
 846                 }
 847
 848                 //[515]: init stufftext string (it is sent before svc_serverinfo)
 849                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.SV_InitCmd);
 850                 if (val)
 851                 {
 852                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 853                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(val->string)));
 854                 }
 855         }
 856
 857         //if (sv_allowdownloads.integer)
 858         // always send the info that the server supports the protocol, even if downloads are forbidden
 859         // only because of that, the CSQC exception can work
 860         {
 861                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 862                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
 863         }
 864
 865         // send at this time so it's guaranteed to get executed at the right time
 866         {
 867                 client_t *save;
 868                 save = host_client;
 869                 host_client = client;
 870                 Curl_SendRequirements();
 871                 host_client = save;
 872         }
 873
 874         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
 875         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
 876         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
 877
 878         if (!coop.integer && deathmatch.integer)
 879                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
 880         else
 881                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
 882
 883         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog->edicts->fields.server->message));
 884
 885         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
 886                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
 887         MSG_WriteByte (&client->netconnection->message, 0);
 888
 889         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
 890                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
 891         MSG_WriteByte (&client->netconnection->message, 0);
 892
 893 // send music
 894         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
 895         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
 896         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
 897
 898 // set view
 899 // store this in clientcamera, too
 900         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
 901         MSG_WriteByte (&client->netconnection->message, svc_setview);
 902         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
 903
 904         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
 905         MSG_WriteByte (&client->netconnection->message, 1);
 906
 907         client->spawned = false;                // need prespawn, spawn, etc
 908         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
 909
 910         // clear movement info until client enters the new level properly
 911         memset(&client->cmd, 0, sizeof(client->cmd));
 912         client->movesequence = 0;
 913 #ifdef NUM_PING_TIMES
 914         for (i = 0;i < NUM_PING_TIMES;i++)
 915                 client->ping_times[i] = 0;
 916         client->num_pings = 0;
 917 #endif
 918         client->ping = 0;
 919
 920         // allow the client some time to send his keepalives, even if map loading took ages
 921         client->netconnection->timeout = realtime + net_connecttimeout.value;
 922 }
 923
 924 /*
 925 ================
 926 SV_ConnectClient
 927
 928 Initializes a client_t for a new net connection.  This will only be called
 929 once for a player each game, not once for each level change.
 930 ================
 931 */
 932 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
 933 {
 934         client_t                *client;
 935         int                             i;
 936         float                   spawn_parms[NUM_SPAWN_PARMS];
 937
 938         client = svs.clients + clientnum;
 939
 940 // set up the client_t
 941         if (sv.loadgame)
 942                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
 943         memset (client, 0, sizeof(*client));
 944         client->active = true;
 945         client->netconnection = netconnection;
 946
 947         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
 948
 949         strlcpy(client->name, "unconnected", sizeof(client->name));
 950         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
 951         client->spawned = false;
 952         client->edict = PRVM_EDICT_NUM(clientnum+1);
 953         if (client->netconnection)
 954                 client->netconnection->message.allowoverflow = true;            // we can catch it
 955         // prepare the unreliable message buffer
 956         client->unreliablemsg.data = client->unreliablemsg_data;
 957         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
 958         // updated by receiving "rate" command from client, this is also the default if not using a DP client
 959         client->rate = 1000000000;
 960         // no limits for local player
 961         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
 962                 client->rate = 1000000000;
 963         client->connecttime = realtime;
 964
 965         if (sv.loadgame)
 966                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
 967         else
 968         {
 969                 // call the progs to get default spawn parms for the new client
 970                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
 971                 prog->globals.server->self = 0;
 972                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
 973                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
 974                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
 975
 976                 // set up the entity for this client (including .colormap, .team, etc)
 977                 PRVM_ED_ClearEdict(client->edict);
 978         }
 979
 980         // don't call SendServerinfo for a fresh botclient because its fields have
 981         // not been set up by the qc yet
 982         if (client->netconnection)
 983                 SV_SendServerinfo (client);
 984         else
 985                 client->spawned = true;
 986 }
 987
 988
 989 /*
 990 ===============================================================================
 991
 992 FRAME UPDATES
 993
 994 ===============================================================================
 995 */
 996
 997 /*
 998 =============================================================================
 999
1000 The PVS must include a small area around the client to allow head bobbing
1001 or other small motion on the client side.  Otherwise, a bob might cause an
1002 entity that should be visible to not show up, especially when the bob
1003 crosses a waterline.
1004
1005 =============================================================================
1006 */
1007
1008 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1009 {
1010         int i;
1011         unsigned int sendflags;
1012         unsigned int version;
1013         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1014         unsigned int customizeentityforclient;
1015         unsigned int sendentity;
1016         float f;
1017         vec3_t cullmins, cullmaxs;
1018         dp_model_t *model;
1019         prvm_eval_t *val, *val2;
1020
1021         // fast path for games that do not use legacy entity networking
1022         // note: still networks clients even if they are legacy
1023         sendentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendEntity)->function;
1024         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1025                 return false;
1026
1027         // this 2 billion unit check is actually to detect NAN origins
1028         // (we really don't want to send those)
1029         if (!(VectorLength2(ent->fields.server->origin) < 2000000000.0*2000000000.0))
1030                 return false;
1031
1032         // EF_NODRAW prevents sending for any reason except for your own
1033         // client, so we must keep all clients in this superset
1034         effects = (unsigned)ent->fields.server->effects;
1035
1036         // we can omit invisible entities with no effects that are not clients
1037         // LordHavoc: this could kill tags attached to an invisible entity, I
1038         // just hope we never have to support that case
1039         i = (int)ent->fields.server->modelindex;
1040         modelindex = (i >= 1 && i < MAX_MODELS && ent->fields.server->model && *PRVM_GetString(ent->fields.server->model)) ? i : 0;
1041
1042         flags = 0;
1043         i = (int)(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_size)->_float * 0.25f);
1044         glowsize = (unsigned char)bound(0, i, 255);
1045         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_trail)->_float)
1046                 flags |= RENDER_GLOWTRAIL;
1047         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict)
1048                 flags |= RENDER_VIEWMODEL;
1049
1050         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[0]*256;
1051         light[0] = (unsigned short)bound(0, f, 65535);
1052         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[1]*256;
1053         light[1] = (unsigned short)bound(0, f, 65535);
1054         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[2]*256;
1055         light[2] = (unsigned short)bound(0, f, 65535);
1056         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.light_lev)->_float;
1057         light[3] = (unsigned short)bound(0, f, 65535);
1058         lightstyle = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.style)->_float;
1059         lightpflags = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pflags)->_float;
1060
1061         if (gamemode == GAME_TENEBRAE)
1062         {
1063                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1064                 if (effects & 16)
1065                 {
1066                         effects &= ~16;
1067                         lightpflags |= PFLAGS_FULLDYNAMIC;
1068                 }
1069                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1070                 if (effects & 32)
1071                 {
1072                         effects &= ~32;
1073                         light[0] = (int)(0.2*256);
1074                         light[1] = (int)(1.0*256);
1075                         light[2] = (int)(0.2*256);
1076                         light[3] = 200;
1077                         lightpflags |= PFLAGS_FULLDYNAMIC;
1078                 }
1079         }
1080
1081         specialvisibilityradius = 0;
1082         if (lightpflags & PFLAGS_FULLDYNAMIC)
1083                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1084         if (glowsize)
1085                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1086         if (flags & RENDER_GLOWTRAIL)
1087                 specialvisibilityradius = max(specialvisibilityradius, 100);
1088         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1089         {
1090                 if (effects & EF_BRIGHTFIELD)
1091                         specialvisibilityradius = max(specialvisibilityradius, 80);
1092                 if (effects & EF_MUZZLEFLASH)
1093                         specialvisibilityradius = max(specialvisibilityradius, 100);
1094                 if (effects & EF_BRIGHTLIGHT)
1095                         specialvisibilityradius = max(specialvisibilityradius, 400);
1096                 if (effects & EF_DIMLIGHT)
1097                         specialvisibilityradius = max(specialvisibilityradius, 200);
1098                 if (effects & EF_RED)
1099                         specialvisibilityradius = max(specialvisibilityradius, 200);
1100                 if (effects & EF_BLUE)
1101                         specialvisibilityradius = max(specialvisibilityradius, 200);
1102                 if (effects & EF_FLAME)
1103                         specialvisibilityradius = max(specialvisibilityradius, 250);
1104                 if (effects & EF_STARDUST)
1105                         specialvisibilityradius = max(specialvisibilityradius, 100);
1106         }
1107
1108         // early culling checks
1109         // (final culling is done by SV_MarkWriteEntityStateToClient)
1110         customizeentityforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.customizeentityforclient)->function;
1111         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1112                 return false;
1113
1114         *cs = defaultstate;
1115         cs->active = ACTIVE_NETWORK;
1116         cs->number = enumber;
1117         VectorCopy(ent->fields.server->origin, cs->origin);
1118         VectorCopy(ent->fields.server->angles, cs->angles);
1119         cs->flags = flags;
1120         cs->effects = effects;
1121         cs->colormap = (unsigned)ent->fields.server->colormap;
1122         cs->modelindex = modelindex;
1123         cs->skin = (unsigned)ent->fields.server->skin;
1124         cs->frame = (unsigned)ent->fields.server->frame;
1125         cs->viewmodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict;
1126         cs->exteriormodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.exteriormodeltoclient)->edict;
1127         cs->nodrawtoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.nodrawtoclient)->edict;
1128         cs->drawonlytoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.drawonlytoclient)->edict;
1129         cs->customizeentityforclient = customizeentityforclient;
1130         cs->tagentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)->edict;
1131         cs->tagindex = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
1132         cs->glowsize = glowsize;
1133
1134         // don't need to init cs->colormod because the defaultstate did that for us
1135         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1136         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.colormod);
1137         if (val->vector[0] || val->vector[1] || val->vector[2])
1138         {
1139                 i = (int)(val->vector[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1140                 i = (int)(val->vector[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1141                 i = (int)(val->vector[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1142         }
1143
1144         cs->modelindex = modelindex;
1145
1146         cs->alpha = 255;
1147         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)->_float * 255.0f);
1148         if (f)
1149         {
1150                 i = (int)f;
1151                 cs->alpha = (unsigned char)bound(0, i, 255);
1152         }
1153         // halflife
1154         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderamt)->_float);
1155         if (f)
1156         {
1157                 i = (int)f;
1158                 cs->alpha = (unsigned char)bound(0, i, 255);
1159         }
1160
1161         cs->scale = 16;
1162         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale)->_float * 16.0f);
1163         if (f)
1164         {
1165                 i = (int)f;
1166                 cs->scale = (unsigned char)bound(0, i, 255);
1167         }
1168
1169         cs->glowcolor = 254;
1170         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_color)->_float);
1171         if (f)
1172                 cs->glowcolor = (int)f;
1173
1174         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.fullbright)->_float)
1175                 cs->effects |= EF_FULLBRIGHT;
1176
1177         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.modelflags);
1178         if (val && val->_float)
1179                 cs->effects |= ((unsigned int)val->_float & 0xff) << 24;
1180
1181         if (ent->fields.server->movetype == MOVETYPE_STEP)
1182                 cs->flags |= RENDER_STEP;
1183         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)
1184                 cs->flags |= RENDER_LOWPRECISION;
1185         if (ent->fields.server->colormap >= 1024)
1186                 cs->flags |= RENDER_COLORMAPPED;
1187         if (cs->viewmodelforclient)
1188                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1189
1190         cs->light[0] = light[0];
1191         cs->light[1] = light[1];
1192         cs->light[2] = light[2];
1193         cs->light[3] = light[3];
1194         cs->lightstyle = lightstyle;
1195         cs->lightpflags = lightpflags;
1196
1197         cs->specialvisibilityradius = specialvisibilityradius;
1198
1199         // calculate the visible box of this entity (don't use the physics box
1200         // as that is often smaller than a model, and would not count
1201         // specialvisibilityradius)
1202         if ((model = sv.models[modelindex]) && (model->type != mod_null))
1203         {
1204                 float scale = cs->scale * (1.0f / 16.0f);
1205                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1206                 {
1207                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1208                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1209                 }
1210                 else if (cs->angles[1])
1211                 {
1212                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1213                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1214                 }
1215                 else
1216                 {
1217                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1218                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1219                 }
1220         }
1221         else
1222         {
1223                 // if there is no model (or it could not be loaded), use the physics box
1224                 VectorAdd(cs->origin, ent->fields.server->mins, cullmins);
1225                 VectorAdd(cs->origin, ent->fields.server->maxs, cullmaxs);
1226         }
1227         if (specialvisibilityradius)
1228         {
1229                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1230                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1231                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1232                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1233                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1234                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1235         }
1236
1237         // calculate center of bbox for network prioritization purposes
1238         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1239
1240         // if culling box has moved, update pvs cluster links
1241         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1242         {
1243                 VectorCopy(cullmins, ent->priv.server->cullmins);
1244                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1245                 // a value of -1 for pvs_numclusters indicates that the links are not
1246                 // cached, and should be re-tested each time, this is the case if the
1247                 // culling box touches too many pvs clusters to store, or if the world
1248                 // model does not support FindBoxClusters
1249                 ent->priv.server->pvs_numclusters = -1;
1250                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1251                 {
1252                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1253                         if (i <= MAX_ENTITYCLUSTERS)
1254                                 ent->priv.server->pvs_numclusters = i;
1255                 }
1256         }
1257
1258         // we need to do some csqc entity upkeep here
1259         // get self.SendFlags and clear them
1260         // (to let the QC know that they've been read)
1261         if (sendentity)
1262         {
1263                 val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendFlags);
1264                 sendflags = (unsigned int)val->_float;
1265                 val->_float = 0;
1266                 // legacy self.Version system
1267                 val2 = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.Version);
1268                 if (val2->_float)
1269                 {
1270                         version = (unsigned int)val2->_float;
1271                         if (sv.csqcentityversion[enumber] != version)
1272                                 sendflags = 0xFFFFFF;
1273                         sv.csqcentityversion[enumber] = version;
1274                 }
1275                 // move sendflags into the per-client sendflags
1276                 if (sendflags)
1277                         for (i = 0;i < svs.maxclients;i++)
1278                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1279                 // mark it as inactive for non-csqc networking
1280                 cs->active = ACTIVE_SHARED;
1281         }
1282
1283         return true;
1284 }
1285
1286 void SV_PrepareEntitiesForSending(void)
1287 {
1288         int e;
1289         prvm_edict_t *ent;
1290         // send all entities that touch the pvs
1291         sv.numsendentities = 0;
1292         sv.sendentitiesindex[0] = NULL;
1293         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1294         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1295         {
1296                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1297                 {
1298                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1299                         sv.numsendentities++;
1300                 }
1301         }
1302 }
1303
1304 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1305 {
1306         int isbmodel;
1307         dp_model_t *model;
1308         prvm_edict_t *ed;
1309         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1310                 return;
1311         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1312         sv.writeentitiestoclient_stats_totalentities++;
1313
1314         if (s->customizeentityforclient)
1315         {
1316                 prog->globals.server->self = s->number;
1317                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1318                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1319                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1320                         return;
1321         }
1322
1323         // never reject player
1324         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1325         {
1326                 // check various rejection conditions
1327                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1328                         return;
1329                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1330                         return;
1331                 if (s->effects & EF_NODRAW)
1332                         return;
1333                 // LordHavoc: only send entities with a model or important effects
1334                 if (!s->modelindex && s->specialvisibilityradius == 0)
1335                         return;
1336
1337                 isbmodel = (model = sv.models[s->modelindex]) != NULL && model->name[0] == '*';
1338                 // viewmodels don't have visibility checking
1339                 if (s->viewmodelforclient)
1340                 {
1341                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1342                                 return;
1343                 }
1344                 else if (s->tagentity)
1345                 {
1346                         // tag attached entities simply check their parent
1347                         if (!sv.sendentitiesindex[s->tagentity])
1348                                 return;
1349                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1350                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1351                                 return;
1352                 }
1353                 // always send world submodels in newer protocols because they don't
1354                 // generate much traffic (in old protocols they hog bandwidth)
1355                 // but only if sv_cullentities_nevercullbmodels is off
1356                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1357                 {
1358                         // entity has survived every check so far, check if visible
1359                         ed = PRVM_EDICT_NUM(s->number);
1360
1361                         // if not touching a visible leaf
1362                         if (sv_cullentities_pvs.integer && !r_novis.integer && sv.writeentitiestoclient_pvsbytes)
1363                         {
1364                                 if (ed->priv.server->pvs_numclusters < 0)
1365                                 {
1366                                         // entity too big for clusters list
1367                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1368                                         {
1369                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1370                                                 return;
1371                                         }
1372                                 }
1373                                 else
1374                                 {
1375                                         int i;
1376                                         // check cached clusters list
1377                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1378                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1379                                                         break;
1380                                         if (i == ed->priv.server->pvs_numclusters)
1381                                         {
1382                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1383                                                 return;
1384                                         }
1385                                 }
1386                         }
1387
1388                         // or not seen by random tracelines
1389                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight)
1390                         {
1391                                 int samples =
1392                                         s->number <= svs.maxclients
1393                                                 ? sv_cullentities_trace_samples_players.integer
1394                                                 :
1395                                         s->specialvisibilityradius
1396                                                 ? sv_cullentities_trace_samples_extra.integer
1397                                                 : sv_cullentities_trace_samples.integer;
1398                                 float enlarge = sv_cullentities_trace_enlarge.value;
1399
1400                                 qboolean visible = TRUE;
1401
1402                                 if(samples > 0)
1403                                 {
1404                                         do
1405                                         {
1406                                                 if(Mod_CanSeeBox_Trace(samples, enlarge, sv.worldmodel, sv.writeentitiestoclient_testeye, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1407                                                         break; // directly visible from the server's view
1408
1409                                                 if(sv_cullentities_trace_prediction.integer)
1410                                                 {
1411                                                         vec3_t predeye;
1412
1413                                                         // get player velocity
1414                                                         float predtime = bound(0, host_client->ping, 0.2); // / 2
1415                                                                 // sorry, no wallhacking by high ping please, and at 200ms
1416                                                                 // ping a FPS is annoying to play anyway and a player is
1417                                                                 // likely to have changed his direction
1418                                                         VectorMA(sv.writeentitiestoclient_testeye, predtime, host_client->edict->fields.server->velocity, predeye);
1419                                                         if(sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, sv.writeentitiestoclient_testeye, predeye)) // must be able to go there...
1420                                                         {
1421                                                                 if(Mod_CanSeeBox_Trace(samples, enlarge, sv.worldmodel, predeye, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1422                                                                         break; // directly visible from the predicted view
1423                                                         }
1424                                                         else
1425                                                         {
1426                                                                 //Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1427                                                         }
1428                                                 }
1429
1430                                                 // when we get here, we can't see the entity
1431                                                 visible = false;
1432                                         }
1433                                         while(0);
1434
1435                                         if(visible)
1436                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1437                                                         realtime + (
1438                                                                 s->number <= svs.maxclients
1439                                                                         ? sv_cullentities_trace_delay_players.value
1440                                                                         : sv_cullentities_trace_delay.value
1441                                                         );
1442                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1443                                         {
1444                                                 sv.writeentitiestoclient_stats_culled_trace++;
1445                                                 return;
1446                                         }
1447                                 }
1448                         }
1449                 }
1450         }
1451
1452         // this just marks it for sending
1453         // FIXME: it would be more efficient to send here, but the entity
1454         // compressor isn't that flexible
1455         sv.writeentitiestoclient_stats_visibleentities++;
1456         sv.sententities[s->number] = sv.sententitiesmark;
1457 }
1458
1459 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1460 {
1461         qboolean need_empty = false;
1462         int i, numsendstates, numcsqcsendstates;
1463         entity_state_t *s;
1464         prvm_edict_t *camera;
1465         qboolean success;
1466
1467         // if there isn't enough space to accomplish anything, skip it
1468         if (msg->cursize + 25 > maxsize)
1469                 return;
1470
1471         sv.writeentitiestoclient_msg = msg;
1472         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1473
1474         sv.writeentitiestoclient_stats_culled_pvs = 0;
1475         sv.writeentitiestoclient_stats_culled_trace = 0;
1476         sv.writeentitiestoclient_stats_visibleentities = 0;
1477         sv.writeentitiestoclient_stats_totalentities = 0;
1478
1479 // find the client's PVS
1480         // the real place being tested from
1481         camera = PRVM_EDICT_NUM( client->clientcamera );
1482         VectorAdd(camera->fields.server->origin, clent->fields.server->view_ofs, sv.writeentitiestoclient_testeye);
1483         sv.writeentitiestoclient_pvsbytes = 0;
1484         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1485                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv.writeentitiestoclient_testeye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), false);
1486
1487         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1488
1489         sv.sententitiesmark++;
1490
1491         for (i = 0;i < sv.numsendentities;i++)
1492                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1493
1494         numsendstates = 0;
1495         numcsqcsendstates = 0;
1496         for (i = 0;i < sv.numsendentities;i++)
1497         {
1498                 if (sv.sententities[sv.sendentities[i].number] == sv.sententitiesmark)
1499                 {
1500                         if(sv.sendentities[i].active == ACTIVE_NETWORK)
1501                         {
1502                                 s = &sv.writeentitiestoclient_sendstates[numsendstates++];
1503                                 *s = sv.sendentities[i];
1504                                 if (s->exteriormodelforclient && s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1505                                         s->flags |= RENDER_EXTERIORMODEL;
1506                         }
1507                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1508                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = sv.sendentities[i].number;
1509                         else
1510                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", sv.sendentities[i].number);
1511                 }
1512         }
1513
1514         if (sv_cullentities_stats.integer)
1515                 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);
1516
1517         if(client->entitydatabase5)
1518                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1519         else
1520                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1521
1522         if(client->num_skippedentityframes >= 10)
1523                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1524
1525         if (client->entitydatabase5)
1526                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1527         else if (client->entitydatabase4)
1528         {
1529                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1530                 Protocol_WriteStatsReliable();
1531         }
1532         else if (client->entitydatabase)
1533         {
1534                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1535                 Protocol_WriteStatsReliable();
1536         }
1537         else
1538         {
1539                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1540                 Protocol_WriteStatsReliable();
1541         }
1542
1543         if(success)
1544                 client->num_skippedentityframes = 0;
1545         else
1546                 ++client->num_skippedentityframes;
1547 }
1548
1549 /*
1550 =============
1551 SV_CleanupEnts
1552
1553 =============
1554 */
1555 static void SV_CleanupEnts (void)
1556 {
1557         int             e;
1558         prvm_edict_t    *ent;
1559
1560         ent = PRVM_NEXT_EDICT(prog->edicts);
1561         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1562                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1563 }
1564
1565 /*
1566 ==================
1567 SV_WriteClientdataToMessage
1568
1569 ==================
1570 */
1571 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1572 {
1573         int             bits;
1574         int             i;
1575         prvm_edict_t    *other;
1576         int             items;
1577         prvm_eval_t     *val;
1578         vec3_t  punchvector;
1579         int             viewzoom;
1580         const char *s;
1581         float   *statsf = (float *)stats;
1582
1583 //
1584 // send a damage message
1585 //
1586         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1587         {
1588                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1589                 MSG_WriteByte (msg, svc_damage);
1590                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1591                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1592                 for (i=0 ; i<3 ; i++)
1593                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1594
1595                 ent->fields.server->dmg_take = 0;
1596                 ent->fields.server->dmg_save = 0;
1597         }
1598
1599 //
1600 // send the current viewpos offset from the view entity
1601 //
1602         SV_SetIdealPitch ();            // how much to look up / down ideally
1603
1604 // a fixangle might get lost in a dropped packet.  Oh well.
1605         if(ent->fields.server->fixangle)
1606         {
1607                 // angle fixing was requested by global thinking code...
1608                 // so store the current angles for later use
1609                 memcpy(host_client->fixangle_angles, ent->fields.server->angles, sizeof(host_client->fixangle_angles));
1610                 host_client->fixangle_angles_set = TRUE;
1611
1612                 // and clear fixangle for the next frame
1613                 ent->fields.server->fixangle = 0;
1614         }
1615
1616         if (host_client->fixangle_angles_set)
1617         {
1618                 MSG_WriteByte (msg, svc_setangle);
1619                 for (i=0 ; i < 3 ; i++)
1620                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1621                 host_client->fixangle_angles_set = FALSE;
1622         }
1623
1624         // stuff the sigil bits into the high bits of items for sbar, or else
1625         // mix in items2
1626         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
1627         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1628                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1629         else
1630                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1631
1632         VectorClear(punchvector);
1633         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
1634                 VectorCopy(val->vector, punchvector);
1635
1636         // cache weapon model name and index in client struct to save time
1637         // (this search can be almost 1% of cpu time!)
1638         s = PRVM_GetString(ent->fields.server->weaponmodel);
1639         if (strcmp(s, client->weaponmodel))
1640         {
1641                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1642                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1643         }
1644
1645         viewzoom = 255;
1646         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
1647                 viewzoom = (int)(val->_float * 255.0f);
1648         if (viewzoom == 0)
1649                 viewzoom = 255;
1650
1651         bits = 0;
1652
1653         if ((int)ent->fields.server->flags & FL_ONGROUND)
1654                 bits |= SU_ONGROUND;
1655         if (ent->fields.server->waterlevel >= 2)
1656                 bits |= SU_INWATER;
1657         if (ent->fields.server->idealpitch)
1658                 bits |= SU_IDEALPITCH;
1659
1660         for (i=0 ; i<3 ; i++)
1661         {
1662                 if (ent->fields.server->punchangle[i])
1663                         bits |= (SU_PUNCH1<<i);
1664                 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)
1665                         if (punchvector[i])
1666                                 bits |= (SU_PUNCHVEC1<<i);
1667                 if (ent->fields.server->velocity[i])
1668                         bits |= (SU_VELOCITY1<<i);
1669         }
1670
1671         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1672         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
1673         stats[STAT_ITEMS] = items;
1674         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
1675         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
1676         stats[STAT_WEAPON] = client->weaponmodelindex;
1677         stats[STAT_HEALTH] = (int)ent->fields.server->health;
1678         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
1679         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
1680         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
1681         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
1682         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
1683         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
1684         stats[STAT_VIEWZOOM] = viewzoom;
1685         stats[STAT_TOTALSECRETS] = (int)prog->globals.server->total_secrets;
1686         stats[STAT_TOTALMONSTERS] = (int)prog->globals.server->total_monsters;
1687         // the QC bumps these itself by sending svc_'s, so we have to keep them
1688         // zero or they'll be corrected by the engine
1689         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1690         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1691
1692         // movement settings for prediction
1693         // note: these are not sent in protocols with lower MAX_CL_STATS limits
1694         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
1695                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
1696         ;
1697         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
1698         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
1699         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
1700         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
1701         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
1702         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
1703         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
1704         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
1705         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
1706         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.gravity);
1707         statsf[STAT_MOVEVARS_ENTGRAVITY] = (val && val->_float != 0) ? val->_float : 1.0f;
1708         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
1709         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
1710         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
1711         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
1712         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
1713         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
1714         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
1715         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
1716         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
1717         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
1718         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
1719         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
1720         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
1721         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
1722         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
1723         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
1724         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
1725         statsf[STAT_FRAGLIMIT] = fraglimit.value;
1726         statsf[STAT_TIMELIMIT] = timelimit.value;
1727
1728         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)
1729         {
1730                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
1731                 bits |= SU_ITEMS;
1732                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
1733                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
1734                 bits |= SU_WEAPON;
1735                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
1736                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1737                         if (viewzoom != 255)
1738                                 bits |= SU_VIEWZOOM;
1739         }
1740
1741         if (bits >= 65536)
1742                 bits |= SU_EXTEND1;
1743         if (bits >= 16777216)
1744                 bits |= SU_EXTEND2;
1745
1746         // send the data
1747         MSG_WriteByte (msg, svc_clientdata);
1748         MSG_WriteShort (msg, bits);
1749         if (bits & SU_EXTEND1)
1750                 MSG_WriteByte(msg, bits >> 16);
1751         if (bits & SU_EXTEND2)
1752                 MSG_WriteByte(msg, bits >> 24);
1753
1754         if (bits & SU_VIEWHEIGHT)
1755                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
1756
1757         if (bits & SU_IDEALPITCH)
1758                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
1759
1760         for (i=0 ; i<3 ; i++)
1761         {
1762                 if (bits & (SU_PUNCH1<<i))
1763                 {
1764                         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)
1765                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
1766                         else
1767                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
1768                 }
1769                 if (bits & (SU_PUNCHVEC1<<i))
1770                 {
1771                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1772                                 MSG_WriteCoord16i(msg, punchvector[i]);
1773                         else
1774                                 MSG_WriteCoord32f(msg, punchvector[i]);
1775                 }
1776                 if (bits & (SU_VELOCITY1<<i))
1777                 {
1778                         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)
1779                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
1780                         else
1781                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
1782                 }
1783         }
1784
1785         if (bits & SU_ITEMS)
1786                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
1787
1788         if (sv.protocol == PROTOCOL_DARKPLACES5)
1789         {
1790                 if (bits & SU_WEAPONFRAME)
1791                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
1792                 if (bits & SU_ARMOR)
1793                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
1794                 if (bits & SU_WEAPON)
1795                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
1796                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1797                 MSG_WriteShort (msg, stats[STAT_AMMO]);
1798                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
1799                 MSG_WriteShort (msg, stats[STAT_NAILS]);
1800                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
1801                 MSG_WriteShort (msg, stats[STAT_CELLS]);
1802                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
1803                 if (bits & SU_VIEWZOOM)
1804                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1805         }
1806         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)
1807         {
1808                 if (bits & SU_WEAPONFRAME)
1809                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
1810                 if (bits & SU_ARMOR)
1811                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
1812                 if (bits & SU_WEAPON)
1813                 {
1814                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
1815                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
1816                         else
1817                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
1818                 }
1819                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1820                 MSG_WriteByte (msg, stats[STAT_AMMO]);
1821                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
1822                 MSG_WriteByte (msg, stats[STAT_NAILS]);
1823                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
1824                 MSG_WriteByte (msg, stats[STAT_CELLS]);
1825                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1826                 {
1827                         for (i = 0;i < 32;i++)
1828                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
1829                                         break;
1830                         MSG_WriteByte (msg, i);
1831                 }
1832                 else
1833                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
1834                 if (bits & SU_VIEWZOOM)
1835                 {
1836                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1837                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
1838                         else
1839                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1840                 }
1841         }
1842 }
1843
1844 void SV_FlushBroadcastMessages(void)
1845 {
1846         int i;
1847         client_t *client;
1848         if (sv.datagram.cursize <= 0)
1849                 return;
1850         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
1851         {
1852                 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])))
1853                         continue;
1854                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
1855                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
1856         }
1857         SZ_Clear(&sv.datagram);
1858 }
1859
1860 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
1861 {
1862         // scan the splitpoints to find out how many we can fit in
1863         int numsegments, j, split;
1864         if (!client->unreliablemsg_splitpoints)
1865                 return;
1866         // always accept the first one if it's within 1024 bytes, this ensures
1867         // that very big datagrams which are over the rate limit still get
1868         // through, just to keep it working
1869         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
1870                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
1871                         break;
1872         // the first segment gets an exemption from the rate limiting, otherwise
1873         // it could get dropped consistently due to a low rate limit
1874         if (numsegments == 1)
1875                 maxsize = maxsize2;
1876         // some will fit, so add the ones that will fit
1877         split = client->unreliablemsg_splitpoint[numsegments-1];
1878         // note this discards ones that were accepted by the segments scan but
1879         // can not fit, such as a really huge first one that will never ever
1880         // fit in a packet...
1881         if (msg->cursize + split <= maxsize)
1882                 SZ_Write(msg, client->unreliablemsg.data, split);
1883         // remove the part we sent, keeping any remaining data
1884         client->unreliablemsg.cursize -= split;
1885         if (client->unreliablemsg.cursize > 0)
1886                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
1887         // adjust remaining splitpoints
1888         client->unreliablemsg_splitpoints -= numsegments;
1889         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
1890                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
1891 }
1892
1893 /*
1894 =======================
1895 SV_SendClientDatagram
1896 =======================
1897 */
1898 static void SV_SendClientDatagram (client_t *client)
1899 {
1900         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
1901         sizebuf_t msg;
1902         int stats[MAX_CL_STATS];
1903         unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
1904
1905         // obey rate limit by limiting packet frequency if the packet size
1906         // limiting fails
1907         // (usually this is caused by reliable messages)
1908         if (!NetConn_CanSend(client->netconnection))
1909                 return;
1910
1911         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
1912         maxrate = max(NET_MINRATE, sv_maxrate.integer);
1913         if (sv_maxrate.integer != maxrate)
1914                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
1915
1916         // clientrate determines the 'cleartime' of a packet
1917         // (how long to wait before sending another, based on this packet's size)
1918         clientrate = bound(NET_MINRATE, client->rate, maxrate);
1919
1920         switch (sv.protocol)
1921         {
1922         case PROTOCOL_QUAKE:
1923         case PROTOCOL_QUAKEDP:
1924         case PROTOCOL_NEHAHRAMOVIE:
1925         case PROTOCOL_NEHAHRABJP:
1926         case PROTOCOL_NEHAHRABJP2:
1927         case PROTOCOL_NEHAHRABJP3:
1928         case PROTOCOL_QUAKEWORLD:
1929                 // no packet size limit support on Quake protocols because it just
1930                 // causes missing entities/effects
1931                 // packets are simply sent less often to obey the rate limit
1932                 maxsize = 1024;
1933                 maxsize2 = 1024;
1934                 break;
1935         case PROTOCOL_DARKPLACES1:
1936         case PROTOCOL_DARKPLACES2:
1937         case PROTOCOL_DARKPLACES3:
1938         case PROTOCOL_DARKPLACES4:
1939                 // no packet size limit support on DP1-4 protocols because they kick
1940                 // the client off if they overflow, and miss effects
1941                 // packets are simply sent less often to obey the rate limit
1942                 maxsize = sizeof(sv_sendclientdatagram_buf);
1943                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
1944                 break;
1945         default:
1946                 // DP5 and later protocols support packet size limiting which is a
1947                 // better method than limiting packet frequency as QW does
1948                 //
1949                 // at very low rates (or very small sys_ticrate) the packet size is
1950                 // not reduced below 128, but packets may be sent less often
1951                 maxsize = (int)(clientrate * sys_ticrate.value);
1952                 maxsize = bound(128, maxsize, 1400);
1953                 maxsize2 = 1400;
1954                 // csqc entities can easily exceed 128 bytes, so disable throttling in
1955                 // mods that use csqc (they are likely to use less bandwidth anyway)
1956                 if (sv.csqc_progsize > 0)
1957                         maxsize = maxsize2;
1958                 break;
1959         }
1960
1961         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
1962         {
1963                 // for good singleplayer, send huge packets
1964                 maxsize = sizeof(sv_sendclientdatagram_buf);
1965                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
1966                 // never limit frequency in singleplayer
1967                 clientrate = 1000000000;
1968         }
1969
1970         // while downloading, limit entity updates to half the packet
1971         // (any leftover space will be used for downloading)
1972         if (host_client->download_file)
1973                 maxsize /= 2;
1974
1975         msg.data = sv_sendclientdatagram_buf;
1976         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
1977         msg.cursize = 0;
1978         msg.allowoverflow = false;
1979
1980         if (host_client->spawned)
1981         {
1982                 // the player is in the game
1983                 MSG_WriteByte (&msg, svc_time);
1984                 MSG_WriteFloat (&msg, sv.time);
1985
1986                 // add the client specific data to the datagram
1987                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
1988                 // now update the stats[] array using any registered custom fields
1989                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
1990                 // set host_client->statsdeltabits
1991                 Protocol_UpdateClientStats (stats);
1992
1993                 // add as many queued unreliable messages (effects) as we can fit
1994                 // limit effects to half of the remaining space
1995                 if (client->unreliablemsg.cursize)
1996                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
1997
1998                 // now write as many entities as we can fit, and also sends stats
1999                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2000         }
2001         else if (realtime > client->keepalivetime)
2002         {
2003                 // the player isn't totally in the game yet
2004                 // send small keepalive messages if too much time has passed
2005                 // (may also be sending downloads)
2006                 client->keepalivetime = realtime + 5;
2007                 MSG_WriteChar (&msg, svc_nop);
2008         }
2009
2010         // if a download is active, see if there is room to fit some download data
2011         // in this packet
2012         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2013         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2014         {
2015                 fs_offset_t downloadstart;
2016                 unsigned char data[1400];
2017                 downloadstart = FS_Tell(host_client->download_file);
2018                 downloadsize = min(downloadsize, (int)sizeof(data));
2019                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2020                 // note this sends empty messages if at the end of the file, which is
2021                 // necessary to keep the packet loss logic working
2022                 // (the last blocks may be lost and need to be re-sent, and that will
2023                 //  only occur if the client acks the empty end messages, revealing
2024                 //  a gap in the download progress, causing the last blocks to be
2025                 //  sent again)
2026                 MSG_WriteChar (&msg, svc_downloaddata);
2027                 MSG_WriteLong (&msg, downloadstart);
2028                 MSG_WriteShort (&msg, downloadsize);
2029                 if (downloadsize > 0)
2030                         SZ_Write (&msg, data, downloadsize);
2031         }
2032
2033         // reliable only if none is in progress
2034         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2035                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2036         // unreliable
2037         SV_WriteDemoMessage(client, &msg, false);
2038
2039 // send the datagram
2040         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2041         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2042                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2043 }
2044
2045 /*
2046 =======================
2047 SV_UpdateToReliableMessages
2048 =======================
2049 */
2050 static void SV_UpdateToReliableMessages (void)
2051 {
2052         int i, j;
2053         client_t *client;
2054         prvm_eval_t *val;
2055         const char *name;
2056         const char *model;
2057         const char *skin;
2058
2059 // check for changes to be sent over the reliable streams
2060         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2061         {
2062                 // update the host_client fields we care about according to the entity fields
2063                 host_client->edict = PRVM_EDICT_NUM(i+1);
2064
2065                 // DP_SV_CLIENTNAME
2066                 name = PRVM_GetString(host_client->edict->fields.server->netname);
2067                 if (name == NULL)
2068                         name = "";
2069                 // always point the string back at host_client->name to keep it safe
2070                 strlcpy (host_client->name, name, sizeof (host_client->name));
2071                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
2072                 if (strcmp(host_client->old_name, host_client->name))
2073                 {
2074                         if (host_client->spawned)
2075                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2076                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2077                         // send notification to all clients
2078                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2079                         MSG_WriteByte (&sv.reliable_datagram, i);
2080                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2081                         SV_WriteNetnameIntoDemo(host_client);
2082                 }
2083
2084                 // DP_SV_CLIENTCOLORS
2085                 // this is always found (since it's added by the progs loader)
2086                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
2087                         host_client->colors = (int)val->_float;
2088                 if (host_client->old_colors != host_client->colors)
2089                 {
2090                         host_client->old_colors = host_client->colors;
2091                         // send notification to all clients
2092                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2093                         MSG_WriteByte (&sv.reliable_datagram, i);
2094                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2095                 }
2096
2097                 // NEXUIZ_PLAYERMODEL
2098                 if( prog->fieldoffsets.playermodel >= 0 ) {
2099                         model = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string);
2100                         if (model == NULL)
2101                                 model = "";
2102                         // always point the string back at host_client->name to keep it safe
2103                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2104                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
2105                 }
2106
2107                 // NEXUIZ_PLAYERSKIN
2108                 if( prog->fieldoffsets.playerskin >= 0 ) {
2109                         skin = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string);
2110                         if (skin == NULL)
2111                                 skin = "";
2112                         // always point the string back at host_client->name to keep it safe
2113                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2114                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
2115                 }
2116
2117                 // TODO: add an extension name for this [1/17/2008 Black]
2118                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcamera)) && val->edict > 0 ) {
2119                         int oldclientcamera = host_client->clientcamera;
2120                         if( val->edict >= prog->max_edicts || PRVM_EDICT_NUM( val->edict )->priv.required->free ) {
2121                                 val->edict = host_client->clientcamera = PRVM_NUM_FOR_EDICT( host_client->edict );
2122                         } else {
2123                                 host_client->clientcamera = val->edict;
2124                         }
2125
2126                         if( oldclientcamera != host_client->clientcamera ) {
2127                                 MSG_WriteByte (&sv.reliable_datagram, svc_setview );
2128                                 MSG_WriteShort (&host_client->netconnection->message, host_client->clientcamera);
2129                         }
2130                 }
2131
2132                 // frags
2133                 host_client->frags = (int)host_client->edict->fields.server->frags;
2134                 if(gamemode == GAME_NEXUIZ)
2135                         if(!host_client->spawned && host_client->netconnection)
2136                                 host_client->frags = -666;
2137                 if (host_client->old_frags != host_client->frags)
2138                 {
2139                         host_client->old_frags = host_client->frags;
2140                         // send notification to all clients
2141                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2142                         MSG_WriteByte (&sv.reliable_datagram, i);
2143                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2144                 }
2145         }
2146
2147         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2148                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2149                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2150
2151         SZ_Clear (&sv.reliable_datagram);
2152 }
2153
2154
2155 /*
2156 =======================
2157 SV_SendClientMessages
2158 =======================
2159 */
2160 void SV_SendClientMessages (void)
2161 {
2162         int i, prepared = false;
2163
2164         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2165                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2166
2167         SV_FlushBroadcastMessages();
2168
2169 // update frags, names, etc
2170         SV_UpdateToReliableMessages();
2171
2172 // build individual updates
2173         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2174         {
2175                 if (!host_client->active)
2176                         continue;
2177                 if (!host_client->netconnection)
2178                         continue;
2179
2180                 if (host_client->netconnection->message.overflowed)
2181                 {
2182                         SV_DropClient (true);   // if the message couldn't send, kick off
2183                         continue;
2184                 }
2185
2186                 if (!prepared)
2187                 {
2188                         prepared = true;
2189                         // only prepare entities once per frame
2190                         SV_PrepareEntitiesForSending();
2191                 }
2192                 SV_SendClientDatagram (host_client);
2193         }
2194
2195 // clear muzzle flashes
2196         SV_CleanupEnts();
2197 }
2198
2199 static void SV_StartDownload_f(void)
2200 {
2201         if (host_client->download_file)
2202                 host_client->download_started = true;
2203 }
2204
2205 /*
2206  * Compression extension negotiation:
2207  *
2208  * Server to client:
2209  *   cl_serverextension_download 2
2210  *
2211  * Client to server:
2212  *   download <filename> <list of zero or more suppported compressions in order of preference>
2213  * e.g.
2214  *   download maps/map1.bsp lzo deflate huffman
2215  *
2216  * Server to client:
2217  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2218  * e.g.
2219  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2220  *
2221  * The server may choose not to compress the file by sending no compression name, like:
2222  *   cl_downloadbegin 345678 maps/map1.bsp
2223  *
2224  * NOTE: the "download" command may only specify compression algorithms if
2225  *       cl_serverextension_download is 2!
2226  *       If cl_serverextension_download has a different value, the client must
2227  *       assume this extension is not supported!
2228  */
2229
2230 static void Download_CheckExtensions(void)
2231 {
2232         int i;
2233         int argc = Cmd_Argc();
2234
2235         // first reset them all
2236         host_client->download_deflate = false;
2237
2238         for(i = 2; i < argc; ++i)
2239         {
2240                 if(!strcmp(Cmd_Argv(i), "deflate"))
2241                 {
2242                         host_client->download_deflate = true;
2243                         break;
2244                 }
2245         }
2246 }
2247
2248 static void SV_Download_f(void)
2249 {
2250         const char *whichpack, *whichpack2, *extension;
2251         qboolean is_csqc; // so we need to check only once
2252
2253         if (Cmd_Argc() < 2)
2254         {
2255                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2256                 SV_ClientPrintf("       supported extensions: deflate\n");
2257                 return;
2258         }
2259
2260         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2261         {
2262                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2263                 return;
2264         }
2265
2266         if (host_client->download_file)
2267         {
2268                 // at this point we'll assume the previous download should be aborted
2269                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2270                 Host_ClientCommands("\nstopdownload\n");
2271
2272                 // close the file and reset variables
2273                 FS_Close(host_client->download_file);
2274                 host_client->download_file = NULL;
2275                 host_client->download_name[0] = 0;
2276                 host_client->download_expectedposition = 0;
2277                 host_client->download_started = false;
2278         }
2279
2280         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2281
2282         if (!sv_allowdownloads.integer && !is_csqc)
2283         {
2284                 SV_ClientPrintf("Downloads are disabled on this server\n");
2285                 Host_ClientCommands("\nstopdownload\n");
2286                 return;
2287         }
2288
2289         Download_CheckExtensions();
2290
2291         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2292         extension = FS_FileExtension(host_client->download_name);
2293
2294         // host_client is asking to download a specified file
2295         if (developer.integer >= 100)
2296                 Con_Printf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2297
2298         if(is_csqc)
2299         {
2300                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2301                 extensions[0] = '\0';
2302
2303                 if(host_client->download_deflate)
2304                         strlcat(extensions, " deflate", sizeof(extensions));
2305
2306                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2307
2308                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2309                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2310                 else
2311                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2312
2313                 // no, no space is needed between %s and %s :P
2314                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2315
2316                 host_client->download_expectedposition = 0;
2317                 host_client->download_started = false;
2318                 host_client->sendsignon = true; // make sure this message is sent
2319                 return;
2320         }
2321
2322         if (!FS_FileExists(host_client->download_name))
2323         {
2324                 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);
2325                 Host_ClientCommands("\nstopdownload\n");
2326                 return;
2327         }
2328
2329         // check if the user is trying to download part of registered Quake(r)
2330         whichpack = FS_WhichPack(host_client->download_name);
2331         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2332         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2333         {
2334                 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);
2335                 Host_ClientCommands("\nstopdownload\n");
2336                 return;
2337         }
2338
2339         // check if the server has forbidden archive downloads entirely
2340         if (!sv_allowdownloads_inarchive.integer)
2341         {
2342                 whichpack = FS_WhichPack(host_client->download_name);
2343                 if (whichpack)
2344                 {
2345                         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);
2346                         Host_ClientCommands("\nstopdownload\n");
2347                         return;
2348                 }
2349         }
2350
2351         if (!sv_allowdownloads_config.integer)
2352         {
2353                 if (!strcasecmp(extension, "cfg"))
2354                 {
2355                         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);
2356                         Host_ClientCommands("\nstopdownload\n");
2357                         return;
2358                 }
2359         }
2360
2361         if (!sv_allowdownloads_dlcache.integer)
2362         {
2363                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2364                 {
2365                         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);
2366                         Host_ClientCommands("\nstopdownload\n");
2367                         return;
2368                 }
2369         }
2370
2371         if (!sv_allowdownloads_archive.integer)
2372         {
2373                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2374                 {
2375                         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);
2376                         Host_ClientCommands("\nstopdownload\n");
2377                         return;
2378                 }
2379         }
2380
2381         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2382         if (!host_client->download_file)
2383         {
2384                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2385                 Host_ClientCommands("\nstopdownload\n");
2386                 return;
2387         }
2388
2389         if (FS_FileSize(host_client->download_file) > 1<<30)
2390         {
2391                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2392                 Host_ClientCommands("\nstopdownload\n");
2393                 FS_Close(host_client->download_file);
2394                 host_client->download_file = NULL;
2395                 return;
2396         }
2397
2398         if (FS_FileSize(host_client->download_file) < 0)
2399         {
2400                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2401                 Host_ClientCommands("\nstopdownload\n");
2402                 FS_Close(host_client->download_file);
2403                 host_client->download_file = NULL;
2404                 return;
2405         }
2406
2407         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2408
2409         /*
2410          * we can only do this if we would actually deflate on the fly
2411          * which we do not (yet)!
2412         {
2413                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2414                 extensions[0] = '\0';
2415
2416                 if(host_client->download_deflate)
2417                         strlcat(extensions, " deflate", sizeof(extensions));
2418
2419                 // no, no space is needed between %s and %s :P
2420                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2421         }
2422         */
2423         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2424
2425         host_client->download_expectedposition = 0;
2426         host_client->download_started = false;
2427         host_client->sendsignon = true; // make sure this message is sent
2428
2429         // the rest of the download process is handled in SV_SendClientDatagram
2430         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2431         //
2432         // no svc_downloaddata messages will be sent until sv_startdownload is
2433         // sent by the client
2434 }
2435
2436 /*
2437 ==============================================================================
2438
2439 SERVER SPAWNING
2440
2441 ==============================================================================
2442 */
2443
2444 /*
2445 ================
2446 SV_ModelIndex
2447
2448 ================
2449 */
2450 int SV_ModelIndex(const char *s, int precachemode)
2451 {
2452         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);
2453         char filename[MAX_QPATH];
2454         if (!s || !*s)
2455                 return 0;
2456         // testing
2457         //if (precachemode == 2)
2458         //      return 0;
2459         strlcpy(filename, s, sizeof(filename));
2460         for (i = 2;i < limit;i++)
2461         {
2462                 if (!sv.model_precache[i][0])
2463                 {
2464                         if (precachemode)
2465                         {
2466                                 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))
2467                                 {
2468                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2469                                         return 0;
2470                                 }
2471                                 if (precachemode == 1)
2472                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2473                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2474                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.modelname : NULL);
2475                                 if (sv.state != ss_loading)
2476                                 {
2477                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2478                                         MSG_WriteShort(&sv.reliable_datagram, i);
2479                                         MSG_WriteString(&sv.reliable_datagram, filename);
2480                                 }
2481                                 return i;
2482                         }
2483                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2484                         return 0;
2485                 }
2486                 if (!strcmp(sv.model_precache[i], filename))
2487                         return i;
2488         }
2489         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2490         return 0;
2491 }
2492
2493 /*
2494 ================
2495 SV_SoundIndex
2496
2497 ================
2498 */
2499 int SV_SoundIndex(const char *s, int precachemode)
2500 {
2501         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);
2502         char filename[MAX_QPATH];
2503         if (!s || !*s)
2504                 return 0;
2505         // testing
2506         //if (precachemode == 2)
2507         //      return 0;
2508         strlcpy(filename, s, sizeof(filename));
2509         for (i = 1;i < limit;i++)
2510         {
2511                 if (!sv.sound_precache[i][0])
2512                 {
2513                         if (precachemode)
2514                         {
2515                                 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))
2516                                 {
2517                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2518                                         return 0;
2519                                 }
2520                                 if (precachemode == 1)
2521                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2522                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2523                                 if (sv.state != ss_loading)
2524                                 {
2525                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2526                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2527                                         MSG_WriteString(&sv.reliable_datagram, filename);
2528                                 }
2529                                 return i;
2530                         }
2531                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2532                         return 0;
2533                 }
2534                 if (!strcmp(sv.sound_precache[i], filename))
2535                         return i;
2536         }
2537         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2538         return 0;
2539 }
2540
2541 /*
2542 ================
2543 SV_ParticleEffectIndex
2544
2545 ================
2546 */
2547 int SV_ParticleEffectIndex(const char *name)
2548 {
2549         int i, argc, linenumber, effectnameindex;
2550         fs_offset_t filesize;
2551         unsigned char *filedata;
2552         const char *text, *textstart, *textend;
2553         char argv[16][1024];
2554         if (!sv.particleeffectnamesloaded)
2555         {
2556                 sv.particleeffectnamesloaded = true;
2557                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2558                 for (i = 0;i < EFFECT_TOTAL;i++)
2559                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2560                 filedata = FS_LoadFile("effectinfo.txt", tempmempool, true, &filesize);
2561                 if (filedata)
2562                 {
2563                         textstart = (const char *)filedata;
2564                         textend = (const char *)filedata + filesize;
2565                         text = textstart;
2566                         for (linenumber = 1;;linenumber++)
2567                         {
2568                                 argc = 0;
2569                                 for (;;)
2570                                 {
2571                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2572                                                 break;
2573                                         if (argc < 16)
2574                                         {
2575                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2576                                                 argc++;
2577                                         }
2578                                 }
2579                                 if (com_token[0] == 0)
2580                                         break; // if the loop exited and it's not a \n, it's EOF
2581                                 if (argc < 1)
2582                                         continue;
2583                                 if (!strcmp(argv[0], "effect"))
2584                                 {
2585                                         if (argc == 2)
2586                                         {
2587                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2588                                                 {
2589                                                         if (sv.particleeffectname[effectnameindex][0])
2590                                                         {
2591                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2592                                                                         break;
2593                                                         }
2594                                                         else
2595                                                         {
2596                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2597                                                                 break;
2598                                                         }
2599                                                 }
2600                                                 // if we run out of names, abort
2601                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2602                                                 {
2603                                                         Con_Printf("effectinfo.txt:%i: too many effects!\n", linenumber);
2604                                                         break;
2605                                                 }
2606                                         }
2607                                 }
2608                         }
2609                         Mem_Free(filedata);
2610                 }
2611         }
2612         // search for the name
2613         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2614                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2615                         return effectnameindex;
2616         // return 0 if we couldn't find it
2617         return 0;
2618 }
2619
2620 /*
2621 ================
2622 SV_CreateBaseline
2623
2624 ================
2625 */
2626 static void SV_CreateBaseline (void)
2627 {
2628         int i, entnum, large;
2629         prvm_edict_t *svent;
2630
2631         // LordHavoc: clear *all* states (note just active ones)
2632         for (entnum = 0;entnum < prog->max_edicts;entnum++)
2633         {
2634                 // get the current server version
2635                 svent = PRVM_EDICT_NUM(entnum);
2636
2637                 // LordHavoc: always clear state values, whether the entity is in use or not
2638                 svent->priv.server->baseline = defaultstate;
2639
2640                 if (svent->priv.server->free)
2641                         continue;
2642                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
2643                         continue;
2644
2645                 // create entity baseline
2646                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
2647                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
2648                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
2649                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
2650                 if (entnum > 0 && entnum <= svs.maxclients)
2651                 {
2652                         svent->priv.server->baseline.colormap = entnum;
2653                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
2654                 }
2655                 else
2656                 {
2657                         svent->priv.server->baseline.colormap = 0;
2658                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
2659                 }
2660
2661                 large = false;
2662                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
2663                 {
2664                         large = true;
2665                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2666                                 large = false;
2667                 }
2668
2669                 // add to the message
2670                 if (large)
2671                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
2672                 else
2673                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
2674                 MSG_WriteShort (&sv.signon, entnum);
2675
2676                 if (large)
2677                 {
2678                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2679                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
2680                 }
2681                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2682                 {
2683                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2684                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2685                 }
2686                 else
2687                 {
2688                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
2689                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2690                 }
2691                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
2692                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
2693                 for (i=0 ; i<3 ; i++)
2694                 {
2695                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
2696                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
2697                 }
2698         }
2699 }
2700
2701 /*
2702 ================
2703 SV_Prepare_CSQC
2704
2705 Load csprogs.dat and comperss it so it doesn't need to be
2706 reloaded on request.
2707 ================
2708 */
2709 void SV_Prepare_CSQC(void)
2710 {
2711         fs_offset_t progsize;
2712
2713         if(svs.csqc_progdata)
2714         {
2715                 Con_DPrintf("Unloading old CSQC data.\n");
2716                 Mem_Free(svs.csqc_progdata);
2717                 if(svs.csqc_progdata_deflated)
2718                         Mem_Free(svs.csqc_progdata_deflated);
2719         }
2720
2721         svs.csqc_progdata = NULL;
2722         svs.csqc_progdata_deflated = NULL;
2723
2724         Con_Print("Loading csprogs.dat\n");
2725
2726         sv.csqc_progname[0] = 0;
2727         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
2728
2729         if(progsize > 0)
2730         {
2731                 size_t deflated_size;
2732
2733                 sv.csqc_progsize = (int)progsize;
2734                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
2735                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
2736                 Con_Printf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
2737
2738                 Con_Print("Compressing csprogs.dat\n");
2739                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
2740                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
2741                 svs.csqc_progsize_deflated = (int)deflated_size;
2742                 if(svs.csqc_progdata_deflated)
2743                 {
2744                         Con_Printf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
2745                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
2746                 }
2747                 else
2748                         Con_Printf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
2749         }
2750 }
2751
2752 /*
2753 ================
2754 SV_SaveSpawnparms
2755
2756 Grabs the current state of each client for saving across the
2757 transition to another level
2758 ================
2759 */
2760 void SV_SaveSpawnparms (void)
2761 {
2762         int             i, j;
2763
2764         svs.serverflags = (int)prog->globals.server->serverflags;
2765
2766         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2767         {
2768                 if (!host_client->active)
2769                         continue;
2770
2771         // call the progs to get default spawn parms for the new client
2772                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
2773                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
2774                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
2775                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
2776         }
2777 }
2778
2779 /*
2780 ================
2781 SV_SpawnServer
2782
2783 This is called at the start of each level
2784 ================
2785 */
2786
2787 void SV_SpawnServer (const char *server)
2788 {
2789         prvm_edict_t *ent;
2790         int i;
2791         char *entities;
2792         dp_model_t *worldmodel;
2793         char modelname[sizeof(sv.modelname)];
2794
2795         Con_DPrintf("SpawnServer: %s\n", server);
2796
2797         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
2798
2799         if (!FS_FileExists(modelname))
2800         {
2801                 Con_Printf("SpawnServer: no map file named %s\n", modelname);
2802                 return;
2803         }
2804
2805         if (cls.state != ca_dedicated)
2806         {
2807                 SCR_BeginLoadingPlaque();
2808                 S_StopAllSounds();
2809         }
2810
2811         if(sv.active)
2812         {
2813                 SV_VM_Begin();
2814                 if(prog->funcoffsets.SV_Shutdown)
2815                 {
2816                         func_t s = prog->funcoffsets.SV_Shutdown;
2817                         prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
2818                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
2819                 }
2820                 SV_VM_End();
2821         }
2822
2823         // free q3 shaders so that any newly downloaded shaders will be active
2824         Mod_FreeQ3Shaders();
2825
2826         worldmodel = Mod_ForName(modelname, false, true, NULL);
2827         if (!worldmodel || !worldmodel->TraceBox)
2828         {
2829                 Con_Printf("Couldn't load map %s\n", modelname);
2830                 return;
2831         }
2832
2833         // let's not have any servers with no name
2834         if (hostname.string[0] == 0)
2835                 Cvar_Set ("hostname", "UNNAMED");
2836         scr_centertime_off = 0;
2837
2838         svs.changelevel_issued = false;         // now safe to issue another
2839
2840         // make the map a required file for clients
2841         Curl_ClearRequirements();
2842         Curl_RequireFile(modelname);
2843
2844 //
2845 // tell all connected clients that we are going to a new level
2846 //
2847         if (sv.active)
2848         {
2849                 client_t *client;
2850                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2851                 {
2852                         if (client->netconnection)
2853                         {
2854                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
2855                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
2856                         }
2857                 }
2858         }
2859         else
2860         {
2861                 // open server port
2862                 NetConn_OpenServerPorts(true);
2863         }
2864
2865 //
2866 // make cvars consistant
2867 //
2868         if (coop.integer)
2869                 Cvar_SetValue ("deathmatch", 0);
2870         // LordHavoc: it can be useful to have skills outside the range 0-3...
2871         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
2872         //Cvar_SetValue ("skill", (float)current_skill);
2873         current_skill = (int)(skill.value + 0.5);
2874
2875 //
2876 // set up the new server
2877 //
2878         memset (&sv, 0, sizeof(sv));
2879         // if running a local client, make sure it doesn't try to access the last
2880         // level's data which is no longer valiud
2881         cls.signon = 0;
2882
2883         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
2884
2885         if(*sv_random_seed.string)
2886         {
2887                 srand(sv_random_seed.integer);
2888                 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);
2889         }
2890
2891         SV_VM_Setup();
2892
2893         sv.active = true;
2894
2895         strlcpy (sv.name, server, sizeof (sv.name));
2896
2897         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
2898         if (sv.protocol == PROTOCOL_UNKNOWN)
2899         {
2900                 char buffer[1024];
2901                 Protocol_Names(buffer, sizeof(buffer));
2902                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
2903                 sv.protocol = PROTOCOL_QUAKE;
2904         }
2905
2906         SV_VM_Begin();
2907
2908 // load progs to get entity field count
2909         //PR_LoadProgs ( sv_progs.string );
2910
2911         sv.datagram.maxsize = sizeof(sv.datagram_buf);
2912         sv.datagram.cursize = 0;
2913         sv.datagram.data = sv.datagram_buf;
2914
2915         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
2916         sv.reliable_datagram.cursize = 0;
2917         sv.reliable_datagram.data = sv.reliable_datagram_buf;
2918
2919         sv.signon.maxsize = sizeof(sv.signon_buf);
2920         sv.signon.cursize = 0;
2921         sv.signon.data = sv.signon_buf;
2922
2923 // leave slots at start for clients only
2924         //prog->num_edicts = svs.maxclients+1;
2925
2926         sv.state = ss_loading;
2927         prog->allowworldwrites = true;
2928         sv.paused = false;
2929
2930         prog->globals.server->time = sv.time = 1.0;
2931
2932         Mod_ClearUsed();
2933         worldmodel->used = true;
2934
2935         strlcpy (sv.name, server, sizeof (sv.name));
2936         strlcpy(sv.modelname, modelname, sizeof(sv.modelname));
2937         sv.worldmodel = worldmodel;
2938         sv.models[1] = sv.worldmodel;
2939
2940 //
2941 // clear world interaction links
2942 //
2943         World_SetSize(&sv.world, sv.worldmodel->name, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
2944
2945         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
2946
2947         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
2948         strlcpy(sv.model_precache[1], sv.modelname, sizeof(sv.model_precache[1]));
2949         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
2950         {
2951                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
2952                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.modelname);
2953         }
2954         if(i < sv.worldmodel->brush.numsubmodels)
2955                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
2956
2957 //
2958 // load the rest of the entities
2959 //
2960         // AK possible hack since num_edicts is still 0
2961         ent = PRVM_EDICT_NUM(0);
2962         memset (ent->fields.server, 0, prog->progs->entityfields * 4);
2963         ent->priv.server->free = false;
2964         ent->fields.server->model = PRVM_SetEngineString(sv.modelname);
2965         ent->fields.server->modelindex = 1;             // world model
2966         ent->fields.server->solid = SOLID_BSP;
2967         ent->fields.server->movetype = MOVETYPE_PUSH;
2968         VectorCopy(sv.world.mins, ent->fields.server->mins);
2969         VectorCopy(sv.world.maxs, ent->fields.server->maxs);
2970         VectorCopy(sv.world.mins, ent->fields.server->absmin);
2971         VectorCopy(sv.world.maxs, ent->fields.server->absmax);
2972
2973         if (coop.value)
2974                 prog->globals.server->coop = coop.integer;
2975         else
2976                 prog->globals.server->deathmatch = deathmatch.integer;
2977
2978         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
2979
2980 // serverflags are for cross level information (sigils)
2981         prog->globals.server->serverflags = svs.serverflags;
2982
2983         // we need to reset the spawned flag on all connected clients here so that
2984         // their thinks don't run during startup (before PutClientInServer)
2985         // we also need to set up the client entities now
2986         // and we need to set the ->edict pointers to point into the progs edicts
2987         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2988         {
2989                 host_client->spawned = false;
2990                 host_client->edict = PRVM_EDICT_NUM(i + 1);
2991                 PRVM_ED_ClearEdict(host_client->edict);
2992         }
2993
2994         // load replacement entity file if found
2995         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true, NULL)))
2996         {
2997                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
2998                 PRVM_ED_LoadFromFile (entities);
2999                 Mem_Free(entities);
3000         }
3001         else
3002                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
3003
3004
3005         // LordHavoc: clear world angles (to fix e3m3.bsp)
3006         VectorClear(prog->edicts->fields.server->angles);
3007
3008 // all setup is completed, any further precache statements are errors
3009 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3010         prog->allowworldwrites = false;
3011
3012 // run two frames to allow everything to settle
3013         prog->globals.server->time = sv.time = 1.0001;
3014         for (i = 0;i < 2;i++)
3015         {
3016                 sv.frametime = 0.1;
3017                 SV_Physics ();
3018         }
3019
3020         if (cls.state == ca_dedicated)
3021                 Mod_PurgeUnused();
3022
3023 // create a baseline for more efficient communications
3024         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)
3025                 SV_CreateBaseline ();
3026
3027         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3028
3029         // to prevent network timeouts
3030         realtime = Sys_DoubleTime();
3031
3032 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3033         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3034         {
3035                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3036                 if (!host_client->active)
3037                         continue;
3038                 if (host_client->netconnection)
3039                         SV_SendServerinfo(host_client);
3040                 else
3041                 {
3042                         int j;
3043                         // if client is a botclient coming from a level change, we need to
3044                         // set up client info that normally requires networking
3045
3046                         // copy spawn parms out of the client_t
3047                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3048                                 (&prog->globals.server->parm1)[j] = host_client->spawn_parms[j];
3049
3050                         // call the spawn function
3051                         host_client->clientconnectcalled = true;
3052                         prog->globals.server->time = sv.time;
3053                         prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3054                         PRVM_ExecuteProgram (prog->globals.server->ClientConnect, "QC function ClientConnect is missing");
3055                         PRVM_ExecuteProgram (prog->globals.server->PutClientInServer, "QC function PutClientInServer is missing");
3056                         host_client->spawned = true;
3057                 }
3058         }
3059
3060         Con_DPrint("Server spawned.\n");
3061         NetConn_Heartbeat (2);
3062
3063         SV_VM_End();
3064 }
3065
3066 /////////////////////////////////////////////////////
3067 // SV VM stuff
3068
3069 static void SV_VM_CB_BeginIncreaseEdicts(void)
3070 {
3071         // links don't survive the transition, so unlink everything
3072         World_UnlinkAll(&sv.world);
3073 }
3074
3075 static void SV_VM_CB_EndIncreaseEdicts(void)
3076 {
3077         int i;
3078         prvm_edict_t *ent;
3079
3080         // link every entity except world
3081         for (i = 1, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
3082                 if (!ent->priv.server->free)
3083                         SV_LinkEdict(ent, false);
3084 }
3085
3086 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3087 {
3088         // LordHavoc: for consistency set these here
3089         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3090
3091         e->priv.server->move = false; // don't move on first frame
3092
3093         if (num >= 0 && num < svs.maxclients)
3094         {
3095                 prvm_eval_t *val;
3096                 // set colormap and team on newly created player entity
3097                 e->fields.server->colormap = num + 1;
3098                 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
3099                 // set netname/clientcolors back to client values so that
3100                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3101                 // reset them
3102                 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
3103                 if ((val = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.clientcolors)))
3104                         val->_float = svs.clients[num].colors;
3105                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3106                 if( prog->fieldoffsets.playermodel >= 0 )
3107                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(svs.clients[num].playermodel);
3108                 if( prog->fieldoffsets.playerskin >= 0 )
3109                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(svs.clients[num].playerskin);
3110                 // Assign netaddress (IP Address, etc)
3111                 if(prog->fieldoffsets.netaddress >= 0)
3112                 { // Valid Field; Process
3113                         if(svs.clients[num].netconnection != NULL)
3114                         {// Valid Address; Assign
3115                                 // Acquire Readable Address
3116                                 LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3117                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString(svs.clients[num].netaddress);
3118                         }
3119                         else
3120                                 // Invalid / Bot
3121                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString("null/botclient");
3122                 }
3123         }
3124 }
3125
3126 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3127 {
3128         int i;
3129         int e;
3130
3131         World_UnlinkEdict(ed);          // unlink from world bsp
3132
3133         ed->fields.server->model = 0;
3134         ed->fields.server->takedamage = 0;
3135         ed->fields.server->modelindex = 0;
3136         ed->fields.server->colormap = 0;
3137         ed->fields.server->skin = 0;
3138         ed->fields.server->frame = 0;
3139         VectorClear(ed->fields.server->origin);
3140         VectorClear(ed->fields.server->angles);
3141         ed->fields.server->nextthink = -1;
3142         ed->fields.server->solid = 0;
3143
3144         // make sure csqc networking is aware of the removed entity
3145         e = PRVM_NUM_FOR_EDICT(ed);
3146         sv.csqcentityversion[e] = 0;
3147         for (i = 0;i < svs.maxclients;i++)
3148         {
3149                 if (svs.clients[i].csqcentityscope[e])
3150                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3151                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3152         }
3153 }
3154
3155 static void SV_VM_CB_CountEdicts(void)
3156 {
3157         int             i;
3158         prvm_edict_t    *ent;
3159         int             active, models, solid, step;
3160
3161         active = models = solid = step = 0;
3162         for (i=0 ; i<prog->num_edicts ; i++)
3163         {
3164                 ent = PRVM_EDICT_NUM(i);
3165                 if (ent->priv.server->free)
3166                         continue;
3167                 active++;
3168                 if (ent->fields.server->solid)
3169                         solid++;
3170                 if (ent->fields.server->model)
3171                         models++;
3172                 if (ent->fields.server->movetype == MOVETYPE_STEP)
3173                         step++;
3174         }
3175
3176         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3177         Con_Printf("active    :%3i\n", active);
3178         Con_Printf("view      :%3i\n", models);
3179         Con_Printf("touch     :%3i\n", solid);
3180         Con_Printf("step      :%3i\n", step);
3181 }
3182
3183 static qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
3184 {
3185         // remove things from different skill levels or deathmatch
3186         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3187         {
3188                 if (deathmatch.integer)
3189                 {
3190                         if (((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
3191                         {
3192                                 return false;
3193                         }
3194                 }
3195                 else if ((current_skill <= 0 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_EASY  ))
3196                         || (current_skill == 1 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_MEDIUM))
3197                         || (current_skill >= 2 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_HARD  )))
3198                 {
3199                         return false;
3200                 }
3201         }
3202         return true;
3203 }
3204
3205 static void SV_VM_Setup(void)
3206 {
3207         PRVM_Begin;
3208         PRVM_InitProg( PRVM_SERVERPROG );
3209
3210         // allocate the mempools
3211         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3212         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3213         prog->builtins = vm_sv_builtins;
3214         prog->numbuiltins = vm_sv_numbuiltins;
3215         prog->headercrc = PROGHEADER_CRC;
3216         prog->headercrc2 = PROGHEADER_CRC_TENEBRAE;
3217         prog->max_edicts = 512;
3218         if (sv.protocol == PROTOCOL_QUAKE)
3219                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3220         else if (sv.protocol == PROTOCOL_QUAKEDP)
3221                 prog->limit_edicts = 2048; // guessing
3222         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3223                 prog->limit_edicts = 2048; // guessing!
3224         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3225                 prog->limit_edicts = 4096; // guessing!
3226         else
3227                 prog->limit_edicts = MAX_EDICTS;
3228         prog->reserved_edicts = svs.maxclients;
3229         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3230         prog->name = "server";
3231         prog->extensionstring = vm_sv_extensions;
3232         prog->loadintoworld = true;
3233
3234         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
3235         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
3236         prog->init_edict = SV_VM_CB_InitEdict;
3237         prog->free_edict = SV_VM_CB_FreeEdict;
3238         prog->count_edicts = SV_VM_CB_CountEdicts;
3239         prog->load_edict = SV_VM_CB_LoadEdict;
3240         prog->init_cmd = VM_SV_Cmd_Init;
3241         prog->reset_cmd = VM_SV_Cmd_Reset;
3242         prog->error_cmd = Host_Error;
3243
3244         // TODO: add a requiredfuncs list (ask LH if this is necessary at all)
3245         PRVM_LoadProgs( sv_progs.string, 0, NULL, REQFIELDS, reqfields, 0, NULL );
3246
3247         // some mods compiled with scrambling compilers lack certain critical
3248         // global names and field names such as "self" and "time" and "nextthink"
3249         // so we have to set these offsets manually, matching the entvars_t
3250         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3251         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3252         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3253         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3254         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3255         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3256         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3257         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3258         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3259         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3260         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3261         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3262         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3263         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3264         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3265         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3266         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3267         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3268         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3269         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3270         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3271         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3272         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3273         // OP_STATE is always supported on server (due to entvars_t)
3274         prog->flag |= PRVM_OP_STATE;
3275
3276         VM_CustomStats_Clear();//[515]: csqc
3277
3278         PRVM_End;
3279
3280         SV_Prepare_CSQC();
3281 }
3282
3283 void SV_VM_Begin(void)
3284 {
3285         PRVM_Begin;
3286         PRVM_SetProg( PRVM_SERVERPROG );
3287
3288         prog->globals.server->time = (float) sv.time;
3289 }
3290
3291 void SV_VM_End(void)
3292 {
3293         PRVM_End;
3294 }