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