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