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
  24 void SV_VM_Init();
  25 void SV_VM_Setup();
  26
  27 void VM_AutoSentStats_Clear (void);
  28 void EntityFrameCSQC_ClearVersions (void);
  29 void EntityFrameCSQC_InitClientVersions (int client, qboolean clear);
  30 void VM_SV_WriteAutoSentStats (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats);
  31 void EntityFrameCSQC_WriteFrame (sizebuf_t *msg, int numstates, const entity_state_t *states);
  32
  33
  34 // select which protocol to host, this is fed to Protocol_EnumForName
  35 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
  36 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)"};
  37 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "10000", "upper limit on client rate cvar, should reflect your network connection quality"};
  38
  39 static cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"}; // fast but loose
  40 static 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"}; // tends to get false negatives, uses a timeout to keep entities visible a short time after becoming hidden
  41 static cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
  42 static 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)"};
  43
  44 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
  45 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"};
  46 cvar_t sv_gameplayfix_stepdown = {0, "sv_gameplayfix_stepdown", "1", "attempts to step down stairs, not just up them (prevents the familiar thud..thud..thud.. when running down stairs and slopes)"};
  47 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)"};
  48 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"};
  49 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"};
  50 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"};
  51 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"};
  52
  53 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
  54
  55 server_t sv;
  56 server_static_t svs;
  57
  58 mempool_t *sv_mempool = NULL;
  59
  60 //============================================================================
  61
  62 extern void SV_Phys_Init (void);
  63 extern void SV_World_Init (void);
  64 static void SV_SaveEntFile_f(void);
  65
  66 /*
  67 ===============
  68 SV_Init
  69 ===============
  70 */
  71 void SV_Init (void)
  72 {
  73         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
  74         Cvar_RegisterVariable (&sv_maxvelocity);
  75         Cvar_RegisterVariable (&sv_gravity);
  76         Cvar_RegisterVariable (&sv_friction);
  77         Cvar_RegisterVariable (&sv_edgefriction);
  78         Cvar_RegisterVariable (&sv_stopspeed);
  79         Cvar_RegisterVariable (&sv_maxspeed);
  80         Cvar_RegisterVariable (&sv_maxairspeed);
  81         Cvar_RegisterVariable (&sv_accelerate);
  82         Cvar_RegisterVariable (&sv_idealpitchscale);
  83         Cvar_RegisterVariable (&sv_aim);
  84         Cvar_RegisterVariable (&sv_nostep);
  85         Cvar_RegisterVariable (&sv_cullentities_pvs);
  86         Cvar_RegisterVariable (&sv_cullentities_trace);
  87         Cvar_RegisterVariable (&sv_cullentities_stats);
  88         Cvar_RegisterVariable (&sv_entpatch);
  89         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
  90         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
  91         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
  92         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
  93         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
  94         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
  95         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
  96         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
  97         Cvar_RegisterVariable (&sv_protocolname);
  98         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
  99         Cvar_RegisterVariable (&sv_maxrate);
 100         Cvar_RegisterVariable (&sv_progs);
 101
 102         SV_VM_Init();
 103         SV_Phys_Init();
 104         SV_World_Init();
 105
 106         sv_mempool = Mem_AllocPool("server", 0, NULL);
 107 }
 108
 109 static void SV_SaveEntFile_f(void)
 110 {
 111         char basename[MAX_QPATH];
 112         if (!sv.active || !sv.worldmodel)
 113         {
 114                 Con_Print("Not running a server\n");
 115                 return;
 116         }
 117         FS_StripExtension(sv.worldmodel->name, basename, sizeof(basename));
 118         FS_WriteFile(va("%s.ent", basename), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
 119 }
 120
 121
 122 /*
 123 =============================================================================
 124
 125 EVENT MESSAGES
 126
 127 =============================================================================
 128 */
 129
 130 /*
 131 ==================
 132 SV_StartParticle
 133
 134 Make sure the event gets sent to all clients
 135 ==================
 136 */
 137 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
 138 {
 139         int             i, v;
 140
 141         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
 142                 return;
 143         MSG_WriteByte (&sv.datagram, svc_particle);
 144         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 145         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 146         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 147         for (i=0 ; i<3 ; i++)
 148         {
 149                 v = dir[i]*16;
 150                 if (v > 127)
 151                         v = 127;
 152                 else if (v < -128)
 153                         v = -128;
 154                 MSG_WriteChar (&sv.datagram, v);
 155         }
 156         MSG_WriteByte (&sv.datagram, count);
 157         MSG_WriteByte (&sv.datagram, color);
 158 }
 159
 160 /*
 161 ==================
 162 SV_StartEffect
 163
 164 Make sure the event gets sent to all clients
 165 ==================
 166 */
 167 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
 168 {
 169         if (modelindex >= 256 || startframe >= 256)
 170         {
 171                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
 172                         return;
 173                 MSG_WriteByte (&sv.datagram, svc_effect2);
 174                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 175                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 176                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 177                 MSG_WriteShort (&sv.datagram, modelindex);
 178                 MSG_WriteShort (&sv.datagram, startframe);
 179                 MSG_WriteByte (&sv.datagram, framecount);
 180                 MSG_WriteByte (&sv.datagram, framerate);
 181         }
 182         else
 183         {
 184                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
 185                         return;
 186                 MSG_WriteByte (&sv.datagram, svc_effect);
 187                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
 188                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
 189                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
 190                 MSG_WriteByte (&sv.datagram, modelindex);
 191                 MSG_WriteByte (&sv.datagram, startframe);
 192                 MSG_WriteByte (&sv.datagram, framecount);
 193                 MSG_WriteByte (&sv.datagram, framerate);
 194         }
 195 }
 196
 197 /*
 198 ==================
 199 SV_StartSound
 200
 201 Each entity can have eight independant sound sources, like voice,
 202 weapon, feet, etc.
 203
 204 Channel 0 is an auto-allocate channel, the others override anything
 205 already running on that entity/channel pair.
 206
 207 An attenuation of 0 will play full volume everywhere in the level.
 208 Larger attenuations will drop off.  (max 4 attenuation)
 209
 210 ==================
 211 */
 212 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
 213 {
 214         int sound_num, field_mask, i, ent;
 215
 216         if (volume < 0 || volume > 255)
 217         {
 218                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
 219                 return;
 220         }
 221
 222         if (attenuation < 0 || attenuation > 4)
 223         {
 224                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
 225                 return;
 226         }
 227
 228         if (channel < 0 || channel > 7)
 229         {
 230                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
 231                 return;
 232         }
 233
 234         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
 235                 return;
 236
 237 // find precache number for sound
 238         sound_num = SV_SoundIndex(sample, 1);
 239         if (!sound_num)
 240                 return;
 241
 242         ent = PRVM_NUM_FOR_EDICT(entity);
 243
 244         field_mask = 0;
 245         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
 246                 field_mask |= SND_VOLUME;
 247         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
 248                 field_mask |= SND_ATTENUATION;
 249         if (ent >= 8192)
 250                 field_mask |= SND_LARGEENTITY;
 251         if (sound_num >= 256 || channel >= 8)
 252                 field_mask |= SND_LARGESOUND;
 253
 254 // directed messages go only to the entity they are targeted on
 255         MSG_WriteByte (&sv.datagram, svc_sound);
 256         MSG_WriteByte (&sv.datagram, field_mask);
 257         if (field_mask & SND_VOLUME)
 258                 MSG_WriteByte (&sv.datagram, volume);
 259         if (field_mask & SND_ATTENUATION)
 260                 MSG_WriteByte (&sv.datagram, attenuation*64);
 261         if (field_mask & SND_LARGEENTITY)
 262         {
 263                 MSG_WriteShort (&sv.datagram, ent);
 264                 MSG_WriteByte (&sv.datagram, channel);
 265         }
 266         else
 267                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
 268         if (field_mask & SND_LARGESOUND)
 269                 MSG_WriteShort (&sv.datagram, sound_num);
 270         else
 271                 MSG_WriteByte (&sv.datagram, sound_num);
 272         for (i = 0;i < 3;i++)
 273                 MSG_WriteCoord (&sv.datagram, entity->fields.server->origin[i]+0.5*(entity->fields.server->mins[i]+entity->fields.server->maxs[i]), sv.protocol);
 274 }
 275
 276 /*
 277 ==============================================================================
 278
 279 CLIENT SPAWNING
 280
 281 ==============================================================================
 282 */
 283
 284 static const char *SV_InitCmd;  //[515]: svprogs able to send cmd to client on connect
 285 extern qboolean csqc_loaded;
 286 /*
 287 ================
 288 SV_SendServerinfo
 289
 290 Sends the first message from the server to a connected client.
 291 This will be sent on the initial connection and upon each server load.
 292 ================
 293 */
 294 void SV_SendServerinfo (client_t *client)
 295 {
 296         int i;
 297         char message[128];
 298
 299         // we know that this client has a netconnection and thus is not a bot
 300
 301         // edicts get reallocated on level changes, so we need to update it here
 302         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 303
 304         // clear cached stuff that depends on the level
 305         client->weaponmodel[0] = 0;
 306         client->weaponmodelindex = 0;
 307
 308         // LordHavoc: clear entityframe tracking
 309         client->latestframenum = 0;
 310
 311         if (client->entitydatabase)
 312                 EntityFrame_FreeDatabase(client->entitydatabase);
 313         if (client->entitydatabase4)
 314                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 315         if (client->entitydatabase5)
 316                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 317
 318         if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE)
 319         {
 320                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 321                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 322                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 323                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 324                 else
 325                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 326         }
 327
 328         SZ_Clear (&client->netconnection->message);
 329         MSG_WriteByte (&client->netconnection->message, svc_print);
 330         dpsnprintf (message, sizeof (message), "\002\nServer: %s build %s (progs %i crc)", gamename, buildstring, prog->filecrc);
 331         MSG_WriteString (&client->netconnection->message,message);
 332
 333         // FIXME: LordHavoc: this does not work on dedicated servers, needs fixing.
 334 //[515]: init csprogs according to version of svprogs, check the crc, etc.
 335         if(csqc_loaded && (cls.state == ca_dedicated || PRVM_NUM_FOR_EDICT(client->edict) != 1))
 336         {
 337                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
 338                 if(SV_InitCmd)
 339                         MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i;%s\n", csqc_progcrc.integer, SV_InitCmd));
 340                 else
 341                         MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", csqc_progcrc.integer));
 342         }
 343
 344         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
 345         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
 346         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
 347
 348         if (!coop.integer && deathmatch.integer)
 349                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
 350         else
 351                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
 352
 353         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog->edicts->fields.server->message));
 354
 355         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
 356                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
 357         MSG_WriteByte (&client->netconnection->message, 0);
 358
 359         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
 360                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
 361         MSG_WriteByte (&client->netconnection->message, 0);
 362
 363 // send music
 364         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
 365         MSG_WriteByte (&client->netconnection->message, prog->edicts->fields.server->sounds);
 366         MSG_WriteByte (&client->netconnection->message, prog->edicts->fields.server->sounds);
 367
 368 // set view
 369         MSG_WriteByte (&client->netconnection->message, svc_setview);
 370         MSG_WriteShort (&client->netconnection->message, PRVM_NUM_FOR_EDICT(client->edict));
 371
 372         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
 373         MSG_WriteByte (&client->netconnection->message, 1);
 374
 375         client->sendsignon = true;
 376         client->spawned = false;                // need prespawn, spawn, etc
 377 }
 378
 379 /*
 380 ================
 381 SV_ConnectClient
 382
 383 Initializes a client_t for a new net connection.  This will only be called
 384 once for a player each game, not once for each level change.
 385 ================
 386 */
 387 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
 388 {
 389         client_t                *client;
 390         int                             i;
 391         float                   spawn_parms[NUM_SPAWN_PARMS];
 392
 393         client = svs.clients + clientnum;
 394
 395         if(netconnection)//[515]: bots don't play with csqc =)
 396                 EntityFrameCSQC_InitClientVersions(clientnum, false);
 397
 398 // set up the client_t
 399         if (sv.loadgame)
 400                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
 401         memset (client, 0, sizeof(*client));
 402         client->active = true;
 403         client->netconnection = netconnection;
 404
 405         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
 406
 407         strcpy(client->name, "unconnected");
 408         strcpy(client->old_name, "unconnected");
 409         client->spawned = false;
 410         client->edict = PRVM_EDICT_NUM(clientnum+1);
 411         client->netconnection->message.allowoverflow = true;            // we can catch it
 412         // updated by receiving "rate" command from client
 413         client->rate = NET_MINRATE;
 414         // no limits for local player
 415         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
 416                 client->rate = 1000000000;
 417         client->connecttime = realtime;
 418
 419         if (sv.loadgame)
 420                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
 421         else
 422         {
 423                 // call the progs to get default spawn parms for the new client
 424                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
 425                 prog->globals.server->self = 0;
 426                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
 427                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
 428                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
 429         }
 430
 431         // set up the entity for this client (including .colormap, .team, etc)
 432         PRVM_ED_ClearEdict(client->edict);
 433
 434         // don't call SendServerinfo for a fresh botclient because its fields have
 435         // not been set up by the qc yet
 436         if (client->netconnection)
 437                 SV_SendServerinfo (client);
 438         else
 439                 client->spawned = true;
 440 }
 441
 442
 443 /*
 444 ===============================================================================
 445
 446 FRAME UPDATES
 447
 448 ===============================================================================
 449 */
 450
 451 /*
 452 ==================
 453 SV_ClearDatagram
 454
 455 ==================
 456 */
 457 void SV_ClearDatagram (void)
 458 {
 459         SZ_Clear (&sv.datagram);
 460 }
 461
 462 /*
 463 =============================================================================
 464
 465 The PVS must include a small area around the client to allow head bobbing
 466 or other small motion on the client side.  Otherwise, a bob might cause an
 467 entity that should be visible to not show up, especially when the bob
 468 crosses a waterline.
 469
 470 =============================================================================
 471 */
 472
 473 int sv_writeentitiestoclient_pvsbytes;
 474 unsigned char sv_writeentitiestoclient_pvs[MAX_MAP_LEAFS/8];
 475
 476 static int numsendentities;
 477 static entity_state_t sendentities[MAX_EDICTS];
 478 static entity_state_t *sendentitiesindex[MAX_EDICTS];
 479
 480 qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int e)
 481 {
 482         int i;
 483         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
 484         unsigned int customizeentityforclient;
 485         float f;
 486         vec3_t cullmins, cullmaxs;
 487         model_t *model;
 488         prvm_eval_t *val;
 489
 490         // EF_NODRAW prevents sending for any reason except for your own
 491         // client, so we must keep all clients in this superset
 492         effects = (unsigned)ent->fields.server->effects;
 493
 494         // we can omit invisible entities with no effects that are not clients
 495         // LordHavoc: this could kill tags attached to an invisible entity, I
 496         // just hope we never have to support that case
 497         i = (int)ent->fields.server->modelindex;
 498         modelindex = (i >= 1 && i < MAX_MODELS && *PRVM_GetString(ent->fields.server->model)) ? i : 0;
 499
 500         flags = 0;
 501         i = (int)(PRVM_GETEDICTFIELDVALUE(ent, eval_glow_size)->_float * 0.25f);
 502         glowsize = (unsigned char)bound(0, i, 255);
 503         if (PRVM_GETEDICTFIELDVALUE(ent, eval_glow_trail)->_float)
 504                 flags |= RENDER_GLOWTRAIL;
 505
 506         f = PRVM_GETEDICTFIELDVALUE(ent, eval_color)->vector[0]*256;
 507         light[0] = (unsigned short)bound(0, f, 65535);
 508         f = PRVM_GETEDICTFIELDVALUE(ent, eval_color)->vector[1]*256;
 509         light[1] = (unsigned short)bound(0, f, 65535);
 510         f = PRVM_GETEDICTFIELDVALUE(ent, eval_color)->vector[2]*256;
 511         light[2] = (unsigned short)bound(0, f, 65535);
 512         f = PRVM_GETEDICTFIELDVALUE(ent, eval_light_lev)->_float;
 513         light[3] = (unsigned short)bound(0, f, 65535);
 514         lightstyle = (unsigned char)PRVM_GETEDICTFIELDVALUE(ent, eval_style)->_float;
 515         lightpflags = (unsigned char)PRVM_GETEDICTFIELDVALUE(ent, eval_pflags)->_float;
 516
 517         if (gamemode == GAME_TENEBRAE)
 518         {
 519                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
 520                 if (effects & 16)
 521                 {
 522                         effects &= ~16;
 523                         lightpflags |= PFLAGS_FULLDYNAMIC;
 524                 }
 525                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
 526                 if (effects & 32)
 527                 {
 528                         effects &= ~32;
 529                         light[0] = 0.2;
 530                         light[1] = 1;
 531                         light[2] = 0.2;
 532                         light[3] = 200;
 533                         lightpflags |= PFLAGS_FULLDYNAMIC;
 534                 }
 535         }
 536
 537         specialvisibilityradius = 0;
 538         if (lightpflags & PFLAGS_FULLDYNAMIC)
 539                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
 540         if (glowsize)
 541                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
 542         if (flags & RENDER_GLOWTRAIL)
 543                 specialvisibilityradius = max(specialvisibilityradius, 100);
 544         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
 545         {
 546                 if (effects & EF_BRIGHTFIELD)
 547                         specialvisibilityradius = max(specialvisibilityradius, 80);
 548                 if (effects & EF_MUZZLEFLASH)
 549                         specialvisibilityradius = max(specialvisibilityradius, 100);
 550                 if (effects & EF_BRIGHTLIGHT)
 551                         specialvisibilityradius = max(specialvisibilityradius, 400);
 552                 if (effects & EF_DIMLIGHT)
 553                         specialvisibilityradius = max(specialvisibilityradius, 200);
 554                 if (effects & EF_RED)
 555                         specialvisibilityradius = max(specialvisibilityradius, 200);
 556                 if (effects & EF_BLUE)
 557                         specialvisibilityradius = max(specialvisibilityradius, 200);
 558                 if (effects & EF_FLAME)
 559                         specialvisibilityradius = max(specialvisibilityradius, 250);
 560                 if (effects & EF_STARDUST)
 561                         specialvisibilityradius = max(specialvisibilityradius, 100);
 562         }
 563
 564         // early culling checks
 565         // (final culling is done by SV_MarkWriteEntityStateToClient)
 566         customizeentityforclient = PRVM_GETEDICTFIELDVALUE(ent, eval_customizeentityforclient)->function;
 567         if (!customizeentityforclient)
 568         {
 569                 if (e > svs.maxclients && (!modelindex && !specialvisibilityradius))
 570                         return false;
 571                 // this 2 billion unit check is actually to detect NAN origins
 572                 // (we really don't want to send those)
 573                 if (VectorLength2(ent->fields.server->origin) > 2000000000.0*2000000000.0)
 574                         return false;
 575         }
 576
 577
 578         *cs = defaultstate;
 579         cs->active = true;
 580         cs->number = e;
 581         VectorCopy(ent->fields.server->origin, cs->origin);
 582         VectorCopy(ent->fields.server->angles, cs->angles);
 583         cs->flags = flags;
 584         cs->effects = effects;
 585         cs->colormap = (unsigned)ent->fields.server->colormap;
 586         cs->modelindex = modelindex;
 587         cs->skin = (unsigned)ent->fields.server->skin;
 588         cs->frame = (unsigned)ent->fields.server->frame;
 589         cs->viewmodelforclient = PRVM_GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)->edict;
 590         cs->exteriormodelforclient = PRVM_GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)->edict;
 591         cs->nodrawtoclient = PRVM_GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)->edict;
 592         cs->drawonlytoclient = PRVM_GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)->edict;
 593         cs->customizeentityforclient = customizeentityforclient;
 594         cs->tagentity = PRVM_GETEDICTFIELDVALUE(ent, eval_tag_entity)->edict;
 595         cs->tagindex = (unsigned char)PRVM_GETEDICTFIELDVALUE(ent, eval_tag_index)->_float;
 596         cs->glowsize = glowsize;
 597
 598         // don't need to init cs->colormod because the defaultstate did that for us
 599         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
 600         val = PRVM_GETEDICTFIELDVALUE(ent, eval_colormod);
 601         if (val->vector[0] || val->vector[1] || val->vector[2])
 602         {
 603                 i = val->vector[0] * 32.0f;cs->colormod[0] = bound(0, i, 255);
 604                 i = val->vector[1] * 32.0f;cs->colormod[1] = bound(0, i, 255);
 605                 i = val->vector[2] * 32.0f;cs->colormod[2] = bound(0, i, 255);
 606         }
 607
 608         cs->modelindex = modelindex;
 609
 610         cs->alpha = 255;
 611         f = (PRVM_GETEDICTFIELDVALUE(ent, eval_alpha)->_float * 255.0f);
 612         if (f)
 613         {
 614                 i = (int)f;
 615                 cs->alpha = (unsigned char)bound(0, i, 255);
 616         }
 617         // halflife
 618         f = (PRVM_GETEDICTFIELDVALUE(ent, eval_renderamt)->_float);
 619         if (f)
 620         {
 621                 i = (int)f;
 622                 cs->alpha = (unsigned char)bound(0, i, 255);
 623         }
 624
 625         cs->scale = 16;
 626         f = (PRVM_GETEDICTFIELDVALUE(ent, eval_scale)->_float * 16.0f);
 627         if (f)
 628         {
 629                 i = (int)f;
 630                 cs->scale = (unsigned char)bound(0, i, 255);
 631         }
 632
 633         cs->glowcolor = 254;
 634         f = (PRVM_GETEDICTFIELDVALUE(ent, eval_glow_color)->_float);
 635         if (f)
 636                 cs->glowcolor = (int)f;
 637
 638         if (PRVM_GETEDICTFIELDVALUE(ent, eval_fullbright)->_float)
 639                 cs->effects |= EF_FULLBRIGHT;
 640
 641         if (ent->fields.server->movetype == MOVETYPE_STEP)
 642                 cs->flags |= RENDER_STEP;
 643         if ((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)
 644                 cs->flags |= RENDER_LOWPRECISION;
 645         if (ent->fields.server->colormap >= 1024)
 646                 cs->flags |= RENDER_COLORMAPPED;
 647         if (cs->viewmodelforclient)
 648                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
 649
 650         cs->light[0] = light[0];
 651         cs->light[1] = light[1];
 652         cs->light[2] = light[2];
 653         cs->light[3] = light[3];
 654         cs->lightstyle = lightstyle;
 655         cs->lightpflags = lightpflags;
 656
 657         cs->specialvisibilityradius = specialvisibilityradius;
 658
 659         // calculate the visible box of this entity (don't use the physics box
 660         // as that is often smaller than a model, and would not count
 661         // specialvisibilityradius)
 662         if ((model = sv.models[modelindex]))
 663         {
 664                 float scale = cs->scale * (1.0f / 16.0f);
 665                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
 666                 {
 667                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
 668                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
 669                 }
 670                 else if (cs->angles[1])
 671                 {
 672                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
 673                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
 674                 }
 675                 else
 676                 {
 677                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
 678                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
 679                 }
 680         }
 681         else
 682         {
 683                 VectorCopy(cs->origin, cullmins);
 684                 VectorCopy(cs->origin, cullmaxs);
 685         }
 686         if (specialvisibilityradius)
 687         {
 688                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
 689                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
 690                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
 691                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
 692                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
 693                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
 694         }
 695         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
 696         {
 697                 VectorCopy(cullmins, ent->priv.server->cullmins);
 698                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
 699                 ent->priv.server->pvs_numclusters = -1;
 700                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
 701                 {
 702                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
 703                         if (i <= MAX_ENTITYCLUSTERS)
 704                                 ent->priv.server->pvs_numclusters = i;
 705                 }
 706         }
 707
 708         return true;
 709 }
 710
 711 void SV_PrepareEntitiesForSending(void)
 712 {
 713         int e;
 714         prvm_edict_t *ent;
 715         // send all entities that touch the pvs
 716         numsendentities = 0;
 717         sendentitiesindex[0] = NULL;
 718         memset(sendentitiesindex, 0, prog->num_edicts * sizeof(entity_state_t *));
 719         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
 720         {
 721                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sendentities + numsendentities, e))
 722                 {
 723                         sendentitiesindex[e] = sendentities + numsendentities;
 724                         numsendentities++;
 725                 }
 726         }
 727 }
 728
 729 static int sententitiesmark = 0;
 730 static int sententities[MAX_EDICTS];
 731 static int sententitiesconsideration[MAX_EDICTS];
 732 static int sv_writeentitiestoclient_culled_pvs;
 733 static int sv_writeentitiestoclient_culled_trace;
 734 static int sv_writeentitiestoclient_visibleentities;
 735 static int sv_writeentitiestoclient_totalentities;
 736 //static entity_frame_t sv_writeentitiestoclient_entityframe;
 737 static int sv_writeentitiestoclient_clentnum;
 738 static vec3_t sv_writeentitiestoclient_testeye;
 739 static client_t *sv_writeentitiestoclient_client;
 740
 741 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
 742 {
 743         int isbmodel;
 744         vec3_t testorigin;
 745         model_t *model;
 746         prvm_edict_t *ed;
 747         trace_t trace;
 748         if (sententitiesconsideration[s->number] == sententitiesmark)
 749                 return;
 750         sententitiesconsideration[s->number] = sententitiesmark;
 751         sv_writeentitiestoclient_totalentities++;
 752
 753         if (s->customizeentityforclient)
 754         {
 755                 prog->globals.server->self = s->number;
 756                 prog->globals.server->other = sv_writeentitiestoclient_clentnum;
 757                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
 758                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
 759                         return;
 760         }
 761
 762         // never reject player
 763         if (s->number != sv_writeentitiestoclient_clentnum)
 764         {
 765                 // check various rejection conditions
 766                 if (s->nodrawtoclient == sv_writeentitiestoclient_clentnum)
 767                         return;
 768                 if (s->drawonlytoclient && s->drawonlytoclient != sv_writeentitiestoclient_clentnum)
 769                         return;
 770                 if (s->effects & EF_NODRAW)
 771                         return;
 772                 // LordHavoc: only send entities with a model or important effects
 773                 if (!s->modelindex && s->specialvisibilityradius == 0)
 774                         return;
 775
 776                 // viewmodels don't have visibility checking
 777                 if (s->viewmodelforclient)
 778                 {
 779                         if (s->viewmodelforclient != sv_writeentitiestoclient_clentnum)
 780                                 return;
 781                 }
 782                 else if (s->tagentity)
 783                 {
 784                         // tag attached entities simply check their parent
 785                         if (!sendentitiesindex[s->tagentity])
 786                                 return;
 787                         SV_MarkWriteEntityStateToClient(sendentitiesindex[s->tagentity]);
 788                         if (sententities[s->tagentity] != sententitiesmark)
 789                                 return;
 790                 }
 791                 // always send world submodels in newer protocols because they don't
 792                 // generate much traffic (in old protocols they hog bandwidth)
 793                 else if (!(s->effects & EF_NODEPTHTEST) && !((isbmodel = (model = sv.models[s->modelindex]) != NULL && model->name[0] == '*') && (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE)))
 794                 {
 795                         // entity has survived every check so far, check if visible
 796                         ed = PRVM_EDICT_NUM(s->number);
 797
 798                         // if not touching a visible leaf
 799                         if (sv_cullentities_pvs.integer && sv_writeentitiestoclient_pvsbytes)
 800                         {
 801                                 if (ed->priv.server->pvs_numclusters < 0)
 802                                 {
 803                                         // entity too big for clusters list
 804                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv_writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
 805                                         {
 806                                                 sv_writeentitiestoclient_culled_pvs++;
 807                                                 return;
 808                                         }
 809                                 }
 810                                 else
 811                                 {
 812                                         int i;
 813                                         // check cached clusters list
 814                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
 815                                                 if (CHECKPVSBIT(sv_writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
 816                                                         break;
 817                                         if (i == ed->priv.server->pvs_numclusters)
 818                                         {
 819                                                 sv_writeentitiestoclient_culled_pvs++;
 820                                                 return;
 821                                         }
 822                                 }
 823                         }
 824
 825                         // or not seen by random tracelines
 826                         if (sv_cullentities_trace.integer && !isbmodel)
 827                         {
 828                                 // LordHavoc: test center first
 829                                 testorigin[0] = (ed->priv.server->cullmins[0] + ed->priv.server->cullmaxs[0]) * 0.5f;
 830                                 testorigin[1] = (ed->priv.server->cullmins[1] + ed->priv.server->cullmaxs[1]) * 0.5f;
 831                                 testorigin[2] = (ed->priv.server->cullmins[2] + ed->priv.server->cullmaxs[2]) * 0.5f;
 832                                 sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
 833                                 if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
 834                                         sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
 835                                 else
 836                                 {
 837                                         // LordHavoc: test random offsets, to maximize chance of detection
 838                                         testorigin[0] = lhrandom(ed->priv.server->cullmins[0], ed->priv.server->cullmaxs[0]);
 839                                         testorigin[1] = lhrandom(ed->priv.server->cullmins[1], ed->priv.server->cullmaxs[1]);
 840                                         testorigin[2] = lhrandom(ed->priv.server->cullmins[2], ed->priv.server->cullmaxs[2]);
 841                                         sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
 842                                         if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
 843                                                 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
 844                                         else
 845                                         {
 846                                                 if (s->specialvisibilityradius)
 847                                                 {
 848                                                         // LordHavoc: test random offsets, to maximize chance of detection
 849                                                         testorigin[0] = lhrandom(ed->priv.server->cullmins[0], ed->priv.server->cullmaxs[0]);
 850                                                         testorigin[1] = lhrandom(ed->priv.server->cullmins[1], ed->priv.server->cullmaxs[1]);
 851                                                         testorigin[2] = lhrandom(ed->priv.server->cullmins[2], ed->priv.server->cullmaxs[2]);
 852                                                         sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
 853                                                         if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
 854                                                                 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
 855                                                 }
 856                                         }
 857                                 }
 858                                 if (realtime > sv_writeentitiestoclient_client->visibletime[s->number])
 859                                 {
 860                                         sv_writeentitiestoclient_culled_trace++;
 861                                         return;
 862                                 }
 863                         }
 864                 }
 865         }
 866
 867         // this just marks it for sending
 868         // FIXME: it would be more efficient to send here, but the entity
 869         // compressor isn't that flexible
 870         sv_writeentitiestoclient_visibleentities++;
 871         sententities[s->number] = sententitiesmark;
 872 }
 873
 874 entity_state_t sendstates[MAX_EDICTS];
 875 extern int csqc_clent;
 876
 877 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int *stats)
 878 {
 879         int i, numsendstates;
 880         entity_state_t *s;
 881
 882         // if there isn't enough space to accomplish anything, skip it
 883         if (msg->cursize + 25 > msg->maxsize)
 884                 return;
 885
 886         sv_writeentitiestoclient_client = client;
 887
 888         sv_writeentitiestoclient_culled_pvs = 0;
 889         sv_writeentitiestoclient_culled_trace = 0;
 890         sv_writeentitiestoclient_visibleentities = 0;
 891         sv_writeentitiestoclient_totalentities = 0;
 892
 893 // find the client's PVS
 894         // the real place being tested from
 895         VectorAdd(clent->fields.server->origin, clent->fields.server->view_ofs, sv_writeentitiestoclient_testeye);
 896         sv_writeentitiestoclient_pvsbytes = 0;
 897         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
 898                 sv_writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv_writeentitiestoclient_testeye, 8, sv_writeentitiestoclient_pvs, sizeof(sv_writeentitiestoclient_pvs));
 899
 900         csqc_clent = sv_writeentitiestoclient_clentnum = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
 901
 902         sententitiesmark++;
 903
 904         for (i = 0;i < numsendentities;i++)
 905                 SV_MarkWriteEntityStateToClient(sendentities + i);
 906
 907         numsendstates = 0;
 908         for (i = 0;i < numsendentities;i++)
 909         {
 910                 if (sententities[sendentities[i].number] == sententitiesmark)
 911                 {
 912                         s = &sendstates[numsendstates++];
 913                         *s = sendentities[i];
 914                         if (s->exteriormodelforclient && s->exteriormodelforclient == sv_writeentitiestoclient_clentnum)
 915                                 s->flags |= RENDER_EXTERIORMODEL;
 916                 }
 917         }
 918
 919         if (sv_cullentities_stats.integer)
 920                 Con_Printf("client \"%s\" entities: %d total, %d visible, %d culled by: %d pvs %d trace\n", client->name, sv_writeentitiestoclient_totalentities, sv_writeentitiestoclient_visibleentities, sv_writeentitiestoclient_culled_pvs + sv_writeentitiestoclient_culled_trace, sv_writeentitiestoclient_culled_pvs, sv_writeentitiestoclient_culled_trace);
 921
 922         EntityFrameCSQC_WriteFrame(msg, numsendstates, sendstates);
 923
 924         if (client->entitydatabase5)
 925                 EntityFrame5_WriteFrame(msg, client->entitydatabase5, numsendstates, sendstates, client - svs.clients + 1, stats, client->movesequence);
 926         else if (client->entitydatabase4)
 927                 EntityFrame4_WriteFrame(msg, client->entitydatabase4, numsendstates, sendstates);
 928         else if (client->entitydatabase)
 929                 EntityFrame_WriteFrame(msg, client->entitydatabase, numsendstates, sendstates, client - svs.clients + 1);
 930         else
 931                 EntityFrameQuake_WriteFrame(msg, numsendstates, sendstates);
 932 }
 933
 934 /*
 935 =============
 936 SV_CleanupEnts
 937
 938 =============
 939 */
 940 void SV_CleanupEnts (void)
 941 {
 942         int             e;
 943         prvm_edict_t    *ent;
 944
 945         ent = PRVM_NEXT_EDICT(prog->edicts);
 946         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
 947                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
 948 }
 949
 950 /*
 951 ==================
 952 SV_WriteClientdataToMessage
 953
 954 ==================
 955 */
 956 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
 957 {
 958         int             bits;
 959         int             i;
 960         prvm_edict_t    *other;
 961         int             items;
 962         prvm_eval_t     *val;
 963         vec3_t  punchvector;
 964         unsigned char   viewzoom;
 965         const char *s;
 966
 967 //
 968 // send a damage message
 969 //
 970         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
 971         {
 972                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
 973                 MSG_WriteByte (msg, svc_damage);
 974                 MSG_WriteByte (msg, ent->fields.server->dmg_save);
 975                 MSG_WriteByte (msg, ent->fields.server->dmg_take);
 976                 for (i=0 ; i<3 ; i++)
 977                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
 978
 979                 ent->fields.server->dmg_take = 0;
 980                 ent->fields.server->dmg_save = 0;
 981         }
 982
 983 //
 984 // send the current viewpos offset from the view entity
 985 //
 986         SV_SetIdealPitch ();            // how much to look up / down ideally
 987
 988 // a fixangle might get lost in a dropped packet.  Oh well.
 989         if ( ent->fields.server->fixangle )
 990         {
 991                 MSG_WriteByte (msg, svc_setangle);
 992                 for (i=0 ; i < 3 ; i++)
 993                         MSG_WriteAngle (msg, ent->fields.server->angles[i], sv.protocol);
 994                 ent->fields.server->fixangle = 0;
 995         }
 996
 997         // stuff the sigil bits into the high bits of items for sbar, or else
 998         // mix in items2
 999         val = PRVM_GETEDICTFIELDVALUE(ent, eval_items2);
1000         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1001                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1002         else
1003                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1004
1005         VectorClear(punchvector);
1006         if ((val = PRVM_GETEDICTFIELDVALUE(ent, eval_punchvector)))
1007                 VectorCopy(val->vector, punchvector);
1008
1009         // cache weapon model name and index in client struct to save time
1010         // (this search can be almost 1% of cpu time!)
1011         s = PRVM_GetString(ent->fields.server->weaponmodel);
1012         if (strcmp(s, client->weaponmodel))
1013         {
1014                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1015                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1016         }
1017
1018         viewzoom = 255;
1019         if ((val = PRVM_GETEDICTFIELDVALUE(ent, eval_viewzoom)))
1020                 viewzoom = val->_float * 255.0f;
1021         if (viewzoom == 0)
1022                 viewzoom = 255;
1023
1024         bits = 0;
1025
1026         if ((int)ent->fields.server->flags & FL_ONGROUND)
1027                 bits |= SU_ONGROUND;
1028         if (ent->fields.server->waterlevel >= 2)
1029                 bits |= SU_INWATER;
1030         if (ent->fields.server->idealpitch)
1031                 bits |= SU_IDEALPITCH;
1032
1033         for (i=0 ; i<3 ; i++)
1034         {
1035                 if (ent->fields.server->punchangle[i])
1036                         bits |= (SU_PUNCH1<<i);
1037                 if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE)
1038                         if (punchvector[i])
1039                                 bits |= (SU_PUNCHVEC1<<i);
1040                 if (ent->fields.server->velocity[i])
1041                         bits |= (SU_VELOCITY1<<i);
1042         }
1043
1044         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1045         stats[STAT_VIEWHEIGHT] = ent->fields.server->view_ofs[2];
1046         stats[STAT_ITEMS] = items;
1047         stats[STAT_WEAPONFRAME] = ent->fields.server->weaponframe;
1048         stats[STAT_ARMOR] = ent->fields.server->armorvalue;
1049         stats[STAT_WEAPON] = client->weaponmodelindex;
1050         stats[STAT_HEALTH] = ent->fields.server->health;
1051         stats[STAT_AMMO] = ent->fields.server->currentammo;
1052         stats[STAT_SHELLS] = ent->fields.server->ammo_shells;
1053         stats[STAT_NAILS] = ent->fields.server->ammo_nails;
1054         stats[STAT_ROCKETS] = ent->fields.server->ammo_rockets;
1055         stats[STAT_CELLS] = ent->fields.server->ammo_cells;
1056         stats[STAT_ACTIVEWEAPON] = ent->fields.server->weapon;
1057         stats[STAT_VIEWZOOM] = viewzoom;
1058         // the QC bumps these itself by sending svc_'s, so we have to keep them
1059         // zero or they'll be corrected by the engine
1060         //stats[STAT_TOTALSECRETS] = prog->globals.server->total_secrets;
1061         //stats[STAT_TOTALMONSTERS] = prog->globals.server->total_monsters;
1062         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1063         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1064
1065         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1066         {
1067                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
1068                 bits |= SU_ITEMS;
1069                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
1070                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
1071                 bits |= SU_WEAPON;
1072                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
1073                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1074                         if (viewzoom != 255)
1075                                 bits |= SU_VIEWZOOM;
1076         }
1077
1078         if (bits >= 65536)
1079                 bits |= SU_EXTEND1;
1080         if (bits >= 16777216)
1081                 bits |= SU_EXTEND2;
1082
1083         // send the data
1084         MSG_WriteByte (msg, svc_clientdata);
1085         MSG_WriteShort (msg, bits);
1086         if (bits & SU_EXTEND1)
1087                 MSG_WriteByte(msg, bits >> 16);
1088         if (bits & SU_EXTEND2)
1089                 MSG_WriteByte(msg, bits >> 24);
1090
1091         if (bits & SU_VIEWHEIGHT)
1092                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
1093
1094         if (bits & SU_IDEALPITCH)
1095                 MSG_WriteChar (msg, ent->fields.server->idealpitch);
1096
1097         for (i=0 ; i<3 ; i++)
1098         {
1099                 if (bits & (SU_PUNCH1<<i))
1100                 {
1101                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE)
1102                                 MSG_WriteChar(msg, ent->fields.server->punchangle[i]);
1103                         else
1104                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
1105                 }
1106                 if (bits & (SU_PUNCHVEC1<<i))
1107                 {
1108                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1109                                 MSG_WriteCoord16i(msg, punchvector[i]);
1110                         else
1111                                 MSG_WriteCoord32f(msg, punchvector[i]);
1112                 }
1113                 if (bits & (SU_VELOCITY1<<i))
1114                 {
1115                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1116                                 MSG_WriteChar(msg, ent->fields.server->velocity[i] * (1.0f / 16.0f));
1117                         else
1118                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
1119                 }
1120         }
1121
1122         if (bits & SU_ITEMS)
1123                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
1124
1125         if (sv.protocol == PROTOCOL_DARKPLACES5)
1126         {
1127                 if (bits & SU_WEAPONFRAME)
1128                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
1129                 if (bits & SU_ARMOR)
1130                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
1131                 if (bits & SU_WEAPON)
1132                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
1133                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1134                 MSG_WriteShort (msg, stats[STAT_AMMO]);
1135                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
1136                 MSG_WriteShort (msg, stats[STAT_NAILS]);
1137                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
1138                 MSG_WriteShort (msg, stats[STAT_CELLS]);
1139                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
1140                 if (bits & SU_VIEWZOOM)
1141                         MSG_WriteShort (msg, min(stats[STAT_VIEWZOOM], 65535));
1142         }
1143         else if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1144         {
1145                 if (bits & SU_WEAPONFRAME)
1146                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
1147                 if (bits & SU_ARMOR)
1148                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
1149                 if (bits & SU_WEAPON)
1150                         MSG_WriteByte (msg, stats[STAT_WEAPON]);
1151                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1152                 MSG_WriteByte (msg, stats[STAT_AMMO]);
1153                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
1154                 MSG_WriteByte (msg, stats[STAT_NAILS]);
1155                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
1156                 MSG_WriteByte (msg, stats[STAT_CELLS]);
1157                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1158                 {
1159                         for (i = 0;i < 32;i++)
1160                                 if (stats[STAT_WEAPON] & (1<<i))
1161                                         break;
1162                         MSG_WriteByte (msg, i);
1163                 }
1164                 else
1165                         MSG_WriteByte (msg, stats[STAT_WEAPON]);
1166                 if (bits & SU_VIEWZOOM)
1167                 {
1168                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1169                                 MSG_WriteByte (msg, min(stats[STAT_VIEWZOOM], 255));
1170                         else
1171                                 MSG_WriteShort (msg, min(stats[STAT_VIEWZOOM], 65535));
1172                 }
1173         }
1174 }
1175
1176 /*
1177 =======================
1178 SV_SendClientDatagram
1179 =======================
1180 */
1181 static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE]; // FIXME?
1182 qboolean SV_SendClientDatagram (client_t *client)
1183 {
1184         int rate, maxrate, maxsize, maxsize2;
1185         sizebuf_t msg;
1186         int stats[MAX_CL_STATS];
1187
1188         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
1189         {
1190                 // for good singleplayer, send huge packets
1191                 maxsize = sizeof(sv_sendclientdatagram_buf);
1192                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
1193         }
1194         else if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1195         {
1196                 // no rate limiting support on older protocols because dp protocols
1197                 // 1-4 kick the client off if they overflow, and quake protocol shows
1198                 // less than the full entity set if rate limited
1199                 maxsize = 1400;
1200                 maxsize2 = 1400;
1201         }
1202         else
1203         {
1204                 // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
1205                 maxrate = bound(NET_MINRATE, sv_maxrate.integer, NET_MAXRATE);
1206                 if (sv_maxrate.integer != maxrate)
1207                         Cvar_SetValueQuick(&sv_maxrate, maxrate);
1208
1209                 rate = bound(NET_MINRATE, client->rate, maxrate);
1210                 rate = (int)(client->rate * sys_ticrate.value);
1211                 maxsize = bound(100, rate, 1400);
1212                 maxsize2 = 1400;
1213         }
1214
1215         msg.data = sv_sendclientdatagram_buf;
1216         msg.maxsize = maxsize;
1217         msg.cursize = 0;
1218
1219         MSG_WriteByte (&msg, svc_time);
1220         MSG_WriteFloat (&msg, sv.time);
1221
1222         // add the client specific data to the datagram
1223         SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
1224         VM_SV_WriteAutoSentStats (client, client->edict, &msg, stats);
1225         SV_WriteEntitiesToClient (client, client->edict, &msg, stats);
1226
1227         // expand packet size to allow effects to go over the rate limit
1228         // (dropping them is FAR too ugly)
1229         msg.maxsize = maxsize2;
1230
1231         // copy the server datagram if there is space
1232         // FIXME: put in delayed queue of effects to send
1233         if (sv.datagram.cursize > 0 && msg.cursize + sv.datagram.cursize <= msg.maxsize)
1234                 SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
1235
1236 // send the datagram
1237         if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1238         {
1239                 SV_DropClient (true);// if the message couldn't send, kick off
1240                 return false;
1241         }
1242
1243         return true;
1244 }
1245
1246 /*
1247 =======================
1248 SV_UpdateToReliableMessages
1249 =======================
1250 */
1251 void SV_UpdateToReliableMessages (void)
1252 {
1253         int i, j;
1254         client_t *client;
1255         prvm_eval_t *val;
1256         const char *name;
1257         const char *model;
1258         const char *skin;
1259
1260 // check for changes to be sent over the reliable streams
1261         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1262         {
1263                 // update the host_client fields we care about according to the entity fields
1264                 host_client->edict = PRVM_EDICT_NUM(i+1);
1265
1266                 // DP_SV_CLIENTNAME
1267                 name = PRVM_GetString(host_client->edict->fields.server->netname);
1268                 if (name == NULL)
1269                         name = "";
1270                 // always point the string back at host_client->name to keep it safe
1271                 strlcpy (host_client->name, name, sizeof (host_client->name));
1272                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
1273                 if (strcmp(host_client->old_name, host_client->name))
1274                 {
1275                         if (host_client->spawned)
1276                                 SV_BroadcastPrintf("%s changed name to %s\n", host_client->old_name, host_client->name);
1277                         strcpy(host_client->old_name, host_client->name);
1278                         // send notification to all clients
1279                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
1280                         MSG_WriteByte (&sv.reliable_datagram, i);
1281                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
1282                 }
1283
1284                 // DP_SV_CLIENTCOLORS
1285                 // this is always found (since it's added by the progs loader)
1286                 if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_clientcolors)))
1287                         host_client->colors = (int)val->_float;
1288                 if (host_client->old_colors != host_client->colors)
1289                 {
1290                         host_client->old_colors = host_client->colors;
1291                         // send notification to all clients
1292                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
1293                         MSG_WriteByte (&sv.reliable_datagram, i);
1294                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
1295                 }
1296
1297                 // NEXUIZ_PLAYERMODEL
1298                 if( eval_playermodel ) {
1299                         model = PRVM_GetString(PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_playermodel)->string);
1300                         if (model == NULL)
1301                                 model = "";
1302                         // always point the string back at host_client->name to keep it safe
1303                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
1304                         PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
1305                 }
1306
1307                 // NEXUIZ_PLAYERSKIN
1308                 if( eval_playerskin ) {
1309                         skin = PRVM_GetString(PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_playerskin)->string);
1310                         if (skin == NULL)
1311                                 skin = "";
1312                         // always point the string back at host_client->name to keep it safe
1313                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
1314                         PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
1315                 }
1316
1317                 // frags
1318                 host_client->frags = (int)host_client->edict->fields.server->frags;
1319                 if (host_client->old_frags != host_client->frags)
1320                 {
1321                         host_client->old_frags = host_client->frags;
1322                         // send notification to all clients
1323                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
1324                         MSG_WriteByte (&sv.reliable_datagram, i);
1325                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
1326                 }
1327         }
1328
1329         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
1330                 if (client->netconnection)
1331                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
1332
1333         SZ_Clear (&sv.reliable_datagram);
1334 }
1335
1336
1337 /*
1338 =======================
1339 SV_SendNop
1340
1341 Send a nop message without trashing or sending the accumulated client
1342 message buffer
1343 =======================
1344 */
1345 void SV_SendNop (client_t *client)
1346 {
1347         sizebuf_t       msg;
1348         unsigned char           buf[4];
1349
1350         msg.data = buf;
1351         msg.maxsize = sizeof(buf);
1352         msg.cursize = 0;
1353
1354         MSG_WriteChar (&msg, svc_nop);
1355
1356         if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1357                 SV_DropClient (true);   // if the message couldn't send, kick off
1358         client->last_message = realtime;
1359 }
1360
1361 /*
1362 =======================
1363 SV_SendClientMessages
1364 =======================
1365 */
1366 void SV_SendClientMessages (void)
1367 {
1368         int i, prepared = false;
1369
1370 // update frags, names, etc
1371         SV_UpdateToReliableMessages();
1372
1373 // build individual updates
1374         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1375         {
1376                 if (!host_client->active)
1377                         continue;
1378                 if (!host_client->netconnection)
1379                         continue;
1380
1381                 if (host_client->netconnection->message.overflowed)
1382                 {
1383                         SV_DropClient (true);   // if the message couldn't send, kick off
1384                         continue;
1385                 }
1386
1387                 if (host_client->spawned)
1388                 {
1389                         if (!prepared)
1390                         {
1391                                 prepared = true;
1392                                 // only prepare entities once per frame
1393                                 SV_PrepareEntitiesForSending();
1394                         }
1395                         if (!SV_SendClientDatagram (host_client))
1396                                 continue;
1397                 }
1398                 else
1399                 {
1400                 // the player isn't totally in the game yet
1401                 // send small keepalive messages if too much time has passed
1402                 // send a full message when the next signon stage has been requested
1403                 // some other message data (name changes, etc) may accumulate
1404                 // between signon stages
1405                         if (!host_client->sendsignon)
1406                         {
1407                                 if (realtime - host_client->last_message > 5)
1408                                         SV_SendNop (host_client);
1409                                 continue;       // don't send out non-signon messages
1410                         }
1411                 }
1412
1413                 if (host_client->netconnection->message.cursize)
1414                 {
1415                         if (!NetConn_CanSendMessage (host_client->netconnection))
1416                                 continue;
1417
1418                         if (NetConn_SendReliableMessage (host_client->netconnection, &host_client->netconnection->message) == -1)
1419                                 SV_DropClient (true);   // if the message couldn't send, kick off
1420                         SZ_Clear (&host_client->netconnection->message);
1421                         host_client->last_message = realtime;
1422                         host_client->sendsignon = false;
1423                 }
1424         }
1425
1426 // clear muzzle flashes
1427         SV_CleanupEnts();
1428 }
1429
1430
1431 /*
1432 ==============================================================================
1433
1434 SERVER SPAWNING
1435
1436 ==============================================================================
1437 */
1438
1439 /*
1440 ================
1441 SV_ModelIndex
1442
1443 ================
1444 */
1445 int SV_ModelIndex(const char *s, int precachemode)
1446 {
1447         int i, limit = ((sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE) ? 256 : MAX_MODELS);
1448         char filename[MAX_QPATH];
1449         if (!s || !*s)
1450                 return 0;
1451         // testing
1452         //if (precachemode == 2)
1453         //      return 0;
1454         strlcpy(filename, s, sizeof(filename));
1455         for (i = 2;i < limit;i++)
1456         {
1457                 if (!sv.model_precache[i][0])
1458                 {
1459                         if (precachemode)
1460                         {
1461                                 if (sv.state != ss_loading && (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5))
1462                                 {
1463                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
1464                                         return 0;
1465                                 }
1466                                 if (precachemode == 1)
1467                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
1468                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
1469                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, false);
1470                                 if (sv.state != ss_loading)
1471                                 {
1472                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
1473                                         MSG_WriteShort(&sv.reliable_datagram, i);
1474                                         MSG_WriteString(&sv.reliable_datagram, filename);
1475                                 }
1476                                 return i;
1477                         }
1478                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
1479                         return 0;
1480                 }
1481                 if (!strcmp(sv.model_precache[i], filename))
1482                         return i;
1483         }
1484         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
1485         return 0;
1486 }
1487
1488 /*
1489 ================
1490 SV_SoundIndex
1491
1492 ================
1493 */
1494 int SV_SoundIndex(const char *s, int precachemode)
1495 {
1496         int i, limit = ((sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE) ? 256 : MAX_SOUNDS);
1497         char filename[MAX_QPATH];
1498         if (!s || !*s)
1499                 return 0;
1500         // testing
1501         //if (precachemode == 2)
1502         //      return 0;
1503         strlcpy(filename, s, sizeof(filename));
1504         for (i = 1;i < limit;i++)
1505         {
1506                 if (!sv.sound_precache[i][0])
1507                 {
1508                         if (precachemode)
1509                         {
1510                                 if (sv.state != ss_loading && (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5))
1511                                 {
1512                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
1513                                         return 0;
1514                                 }
1515                                 if (precachemode == 1)
1516                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
1517                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
1518                                 if (sv.state != ss_loading)
1519                                 {
1520                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
1521                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
1522                                         MSG_WriteString(&sv.reliable_datagram, filename);
1523                                 }
1524                                 return i;
1525                         }
1526                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
1527                         return 0;
1528                 }
1529                 if (!strcmp(sv.sound_precache[i], filename))
1530                         return i;
1531         }
1532         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
1533         return 0;
1534 }
1535
1536 /*
1537 ================
1538 SV_CreateBaseline
1539
1540 ================
1541 */
1542 void SV_CreateBaseline (void)
1543 {
1544         int i, entnum, large;
1545         prvm_edict_t *svent;
1546
1547         // LordHavoc: clear *all* states (note just active ones)
1548         for (entnum = 0;entnum < prog->max_edicts;entnum++)
1549         {
1550                 // get the current server version
1551                 svent = PRVM_EDICT_NUM(entnum);
1552
1553                 // LordHavoc: always clear state values, whether the entity is in use or not
1554                 svent->priv.server->baseline = defaultstate;
1555
1556                 if (svent->priv.server->free)
1557                         continue;
1558                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
1559                         continue;
1560
1561                 // create entity baseline
1562                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
1563                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
1564                 svent->priv.server->baseline.frame = svent->fields.server->frame;
1565                 svent->priv.server->baseline.skin = svent->fields.server->skin;
1566                 if (entnum > 0 && entnum <= svs.maxclients)
1567                 {
1568                         svent->priv.server->baseline.colormap = entnum;
1569                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
1570                 }
1571                 else
1572                 {
1573                         svent->priv.server->baseline.colormap = 0;
1574                         svent->priv.server->baseline.modelindex = svent->fields.server->modelindex;
1575                 }
1576
1577                 large = false;
1578                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
1579                         large = true;
1580
1581                 // add to the message
1582                 if (large)
1583                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
1584                 else
1585                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
1586                 MSG_WriteShort (&sv.signon, entnum);
1587
1588                 if (large)
1589                 {
1590                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
1591                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
1592                 }
1593                 else
1594                 {
1595                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
1596                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
1597                 }
1598                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
1599                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
1600                 for (i=0 ; i<3 ; i++)
1601                 {
1602                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
1603                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
1604                 }
1605         }
1606 }
1607
1608
1609 /*
1610 ================
1611 SV_SaveSpawnparms
1612
1613 Grabs the current state of each client for saving across the
1614 transition to another level
1615 ================
1616 */
1617 void SV_SaveSpawnparms (void)
1618 {
1619         int             i, j;
1620
1621         svs.serverflags = prog->globals.server->serverflags;
1622
1623         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1624         {
1625                 if (!host_client->active)
1626                         continue;
1627
1628         // call the progs to get default spawn parms for the new client
1629                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
1630                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
1631                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1632                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
1633         }
1634 }
1635 /*
1636 void SV_IncreaseEdicts(void)
1637 {
1638         int i;
1639         prvm_edict_t *ent;
1640         int oldmax_edicts = prog->max_edicts;
1641         void *oldedictsengineprivate = prog->edictprivate;
1642         void *oldedictsfields = prog->edictsfields;
1643         void *oldmoved_edicts = sv.moved_edicts;
1644
1645         if (prog->max_edicts >= MAX_EDICTS)
1646                 return;
1647
1648         // links don't survive the transition, so unlink everything
1649         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
1650         {
1651                 if (!ent->priv.server->free)
1652                         SV_UnlinkEdict(prog->edicts + i);
1653                 memset(&ent->priv.server->areagrid, 0, sizeof(ent->priv.server->areagrid));
1654         }
1655         SV_ClearWorld();
1656
1657         prog->max_edicts   = min(prog->max_edicts + 256, MAX_EDICTS);
1658         prog->edictprivate = PR_Alloc(prog->max_edicts * sizeof(edict_engineprivate_t));
1659         prog->edictsfields = PR_Alloc(prog->max_edicts * prog->edict_size);
1660         sv.moved_edicts = PR_Alloc(prog->max_edicts * sizeof(prvm_edict_t *));
1661
1662         memcpy(prog->edictprivate, oldedictsengineprivate, oldmax_edicts * sizeof(edict_engineprivate_t));
1663         memcpy(prog->edictsfields, oldedictsfields, oldmax_edicts * prog->edict_size);
1664
1665         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
1666         {
1667                 ent->priv.vp = (unsigned char*) prog->edictprivate + i * prog->edictprivate_size;
1668                 ent->fields.server = (void *)((unsigned char *)prog->edictsfields + i * prog->edict_size);
1669                 // link every entity except world
1670                 if (!ent->priv.server->free)
1671                         SV_LinkEdict(ent, false);
1672         }
1673
1674         PR_Free(oldedictsengineprivate);
1675         PR_Free(oldedictsfields);
1676         PR_Free(oldmoved_edicts);
1677 }*/
1678
1679 /*
1680 ================
1681 SV_SpawnServer
1682
1683 This is called at the start of each level
1684 ================
1685 */
1686 extern float            scr_centertime_off;
1687
1688 void SV_SpawnServer (const char *server)
1689 {
1690         prvm_edict_t *ent;
1691         int i;
1692         char *entities;
1693         model_t *worldmodel;
1694         char modelname[sizeof(sv.modelname)];
1695
1696         Con_DPrintf("SpawnServer: %s\n", server);
1697
1698         if (cls.state != ca_dedicated)
1699                 SCR_BeginLoadingPlaque();
1700
1701         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
1702         worldmodel = Mod_ForName(modelname, false, true, true);
1703         if (!worldmodel || !worldmodel->TraceBox)
1704         {
1705                 Con_Printf("Couldn't load map %s\n", modelname);
1706                 return;
1707         }
1708
1709         // let's not have any servers with no name
1710         if (hostname.string[0] == 0)
1711                 Cvar_Set ("hostname", "UNNAMED");
1712         scr_centertime_off = 0;
1713
1714         svs.changelevel_issued = false;         // now safe to issue another
1715
1716 //
1717 // tell all connected clients that we are going to a new level
1718 //
1719         if (sv.active)
1720         {
1721                 // Tell all the clients that the server is changing levels
1722                 SV_VM_Begin();
1723                 MSG_WriteByte(&sv.reliable_datagram, svc_stufftext);
1724                 MSG_WriteString(&sv.reliable_datagram, "reconnect\n");
1725                 SV_VM_End();
1726         }
1727         else
1728         {
1729                 // open server port
1730                 NetConn_OpenServerPorts(true);
1731         }
1732
1733 //
1734 // make cvars consistant
1735 //
1736         if (coop.integer)
1737                 Cvar_SetValue ("deathmatch", 0);
1738         // LordHavoc: it can be useful to have skills outside the range 0-3...
1739         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
1740         //Cvar_SetValue ("skill", (float)current_skill);
1741         current_skill = (int)(skill.value + 0.5);
1742
1743 //
1744 // set up the new server
1745 //
1746         Host_ClearMemory ();
1747
1748         memset (&sv, 0, sizeof(sv));
1749
1750         SV_VM_Setup();
1751
1752         sv.active = true;
1753
1754         strlcpy (sv.name, server, sizeof (sv.name));
1755
1756         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
1757         if (sv.protocol == PROTOCOL_UNKNOWN)
1758         {
1759                 char buffer[1024];
1760                 Protocol_Names(buffer, sizeof(buffer));
1761                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
1762                 sv.protocol = PROTOCOL_QUAKE;
1763         }
1764
1765         SV_VM_Begin();
1766
1767 // load progs to get entity field count
1768         //PR_LoadProgs ( sv_progs.string );
1769
1770         // allocate server memory
1771         /*// start out with just enough room for clients and a reasonable estimate of entities
1772         prog->max_edicts = max(svs.maxclients + 1, 512);
1773         prog->max_edicts = min(prog->max_edicts, MAX_EDICTS);
1774
1775         // prvm_edict_t structures (hidden from progs)
1776         prog->edicts = PR_Alloc(MAX_EDICTS * sizeof(prvm_edict_t));
1777         // engine private structures (hidden from progs)
1778         prog->edictprivate = PR_Alloc(prog->max_edicts * sizeof(edict_engineprivate_t));
1779         // progs fields, often accessed by server
1780         prog->edictsfields = PR_Alloc(prog->max_edicts * prog->edict_size);*/
1781         // used by PushMove to move back pushed entities
1782         sv.moved_edicts = (prvm_edict_t **)PRVM_Alloc(prog->max_edicts * sizeof(prvm_edict_t *));
1783         /*for (i = 0;i < prog->max_edicts;i++)
1784         {
1785                 ent = prog->edicts + i;
1786                 ent->priv.vp = (unsigned char*) prog->edictprivate + i * prog->edictprivate_size;
1787                 ent->fields.server = (void *)((unsigned char *)prog->edictsfields + i * prog->edict_size);
1788         }*/
1789
1790         // reset client csqc entity versions right away.
1791         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1792                 EntityFrameCSQC_InitClientVersions(i, true);
1793
1794         sv.datagram.maxsize = sizeof(sv.datagram_buf);
1795         sv.datagram.cursize = 0;
1796         sv.datagram.data = sv.datagram_buf;
1797
1798         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
1799         sv.reliable_datagram.cursize = 0;
1800         sv.reliable_datagram.data = sv.reliable_datagram_buf;
1801
1802         sv.signon.maxsize = sizeof(sv.signon_buf);
1803         sv.signon.cursize = 0;
1804         sv.signon.data = sv.signon_buf;
1805
1806 // leave slots at start for clients only
1807         //prog->num_edicts = svs.maxclients+1;
1808
1809         sv.state = ss_loading;
1810         prog->allowworldwrites = true;
1811         sv.paused = false;
1812
1813         *prog->time = sv.time = 1.0;
1814
1815         Mod_ClearUsed();
1816         worldmodel->used = true;
1817
1818         strlcpy (sv.name, server, sizeof (sv.name));
1819         strcpy(sv.modelname, modelname);
1820         sv.worldmodel = worldmodel;
1821         sv.models[1] = sv.worldmodel;
1822
1823 //
1824 // clear world interaction links
1825 //
1826         SV_ClearWorld ();
1827
1828         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
1829
1830         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
1831         strlcpy(sv.model_precache[1], sv.modelname, sizeof(sv.model_precache[1]));
1832         for (i = 1;i < sv.worldmodel->brush.numsubmodels;i++)
1833         {
1834                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
1835                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, false);
1836         }
1837
1838 //
1839 // load the rest of the entities
1840 //
1841         // AK possible hack since num_edicts is still 0
1842         ent = PRVM_EDICT_NUM(0);
1843         memset (ent->fields.server, 0, prog->progs->entityfields * 4);
1844         ent->priv.server->free = false;
1845         ent->fields.server->model = PRVM_SetEngineString(sv.modelname);
1846         ent->fields.server->modelindex = 1;             // world model
1847         ent->fields.server->solid = SOLID_BSP;
1848         ent->fields.server->movetype = MOVETYPE_PUSH;
1849
1850         if (coop.value)
1851                 prog->globals.server->coop = coop.integer;
1852         else
1853                 prog->globals.server->deathmatch = deathmatch.integer;
1854
1855         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
1856
1857 // serverflags are for cross level information (sigils)
1858         prog->globals.server->serverflags = svs.serverflags;
1859
1860         // we need to reset the spawned flag on all connected clients here so that
1861         // their thinks don't run during startup (before PutClientInServer)
1862         // we also need to set up the client entities now
1863         // and we need to set the ->edict pointers to point into the progs edicts
1864         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1865         {
1866                 host_client->spawned = false;
1867                 host_client->edict = PRVM_EDICT_NUM(i + 1);
1868                 PRVM_ED_ClearEdict(host_client->edict);
1869         }
1870
1871         // load replacement entity file if found
1872         entities = NULL;
1873         if (sv_entpatch.integer)
1874                 entities = (char *)FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true, NULL);
1875         if (entities)
1876         {
1877                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
1878                 PRVM_ED_LoadFromFile (entities);
1879                 Mem_Free(entities);
1880         }
1881         else
1882                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
1883
1884
1885         // LordHavoc: clear world angles (to fix e3m3.bsp)
1886         VectorClear(prog->edicts->fields.server->angles);
1887
1888 // all setup is completed, any further precache statements are errors
1889         sv.state = ss_active;
1890         prog->allowworldwrites = false;
1891
1892 // run two frames to allow everything to settle
1893         for (i = 0;i < 2;i++)
1894         {
1895                 sv.frametime = host_frametime = 0.1;
1896                 SV_Physics ();
1897         }
1898
1899         Mod_PurgeUnused();
1900
1901 // create a baseline for more efficient communications
1902         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE)
1903                 SV_CreateBaseline ();
1904
1905 // send serverinfo to all connected clients, and set up botclients coming back from a level change
1906         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1907         {
1908                 if (!host_client->active)
1909                         continue;
1910                 if (host_client->netconnection)
1911                         SV_SendServerinfo(host_client);
1912                 else
1913                 {
1914                         int j;
1915                         // if client is a botclient coming from a level change, we need to
1916                         // set up client info that normally requires networking
1917
1918                         // copy spawn parms out of the client_t
1919                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
1920                                 (&prog->globals.server->parm1)[j] = host_client->spawn_parms[j];
1921
1922                         // call the spawn function
1923                         host_client->clientconnectcalled = true;
1924                         prog->globals.server->time = sv.time;
1925                         prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
1926                         PRVM_ExecuteProgram (prog->globals.server->ClientConnect, "QC function ClientConnect is missing");
1927                         PRVM_ExecuteProgram (prog->globals.server->PutClientInServer, "QC function PutClientInServer is missing");
1928                         host_client->spawned = true;
1929                 }
1930         }
1931
1932         Con_DPrint("Server spawned.\n");
1933         NetConn_Heartbeat (2);
1934
1935         SV_VM_End();
1936 }
1937
1938 /////////////////////////////////////////////////////
1939 // SV VM stuff
1940
1941 void SV_VM_CB_BeginIncreaseEdicts(void)
1942 {
1943         int i;
1944         prvm_edict_t *ent;
1945
1946         PRVM_Free( sv.moved_edicts );
1947         sv.moved_edicts = (prvm_edict_t **)PRVM_Alloc(prog->max_edicts * sizeof(prvm_edict_t *));
1948
1949         // links don't survive the transition, so unlink everything
1950         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
1951         {
1952                 if (!ent->priv.server->free)
1953                         SV_UnlinkEdict(prog->edicts + i);
1954                 memset(&ent->priv.server->areagrid, 0, sizeof(ent->priv.server->areagrid));
1955         }
1956         SV_ClearWorld();
1957 }
1958
1959 void SV_VM_CB_EndIncreaseEdicts(void)
1960 {
1961         int i;
1962         prvm_edict_t *ent;
1963
1964         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
1965         {
1966                 // link every entity except world
1967                 if (!ent->priv.server->free)
1968                         SV_LinkEdict(ent, false);
1969         }
1970 }
1971
1972 void SV_VM_CB_InitEdict(prvm_edict_t *e)
1973 {
1974         // LordHavoc: for consistency set these here
1975         int num = PRVM_NUM_FOR_EDICT(e) - 1;
1976
1977         if (num >= 0 && num < svs.maxclients)
1978         {
1979                 prvm_eval_t *val;
1980                 // set colormap and team on newly created player entity
1981                 e->fields.server->colormap = num + 1;
1982                 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
1983                 // set netname/clientcolors back to client values so that
1984                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
1985                 // reset them
1986                 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
1987                 if ((val = PRVM_GETEDICTFIELDVALUE(e, eval_clientcolors)))
1988                         val->_float = svs.clients[num].colors;
1989                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
1990                 if( eval_playermodel )
1991                         PRVM_GETEDICTFIELDVALUE(e, eval_playermodel)->string = PRVM_SetEngineString(svs.clients[num].playermodel);
1992                 if( eval_playerskin )
1993                         PRVM_GETEDICTFIELDVALUE(e, eval_playerskin)->string = PRVM_SetEngineString(svs.clients[num].playerskin);
1994         }
1995 }
1996
1997 void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
1998 {
1999         SV_UnlinkEdict (ed);            // unlink from world bsp
2000
2001         ed->fields.server->model = 0;
2002         ed->fields.server->takedamage = 0;
2003         ed->fields.server->modelindex = 0;
2004         ed->fields.server->colormap = 0;
2005         ed->fields.server->skin = 0;
2006         ed->fields.server->frame = 0;
2007         VectorClear(ed->fields.server->origin);
2008         VectorClear(ed->fields.server->angles);
2009         ed->fields.server->nextthink = -1;
2010         ed->fields.server->solid = 0;
2011 }
2012
2013 void SV_VM_CB_CountEdicts(void)
2014 {
2015         int             i;
2016         prvm_edict_t    *ent;
2017         int             active, models, solid, step;
2018
2019         active = models = solid = step = 0;
2020         for (i=0 ; i<prog->num_edicts ; i++)
2021         {
2022                 ent = PRVM_EDICT_NUM(i);
2023                 if (ent->priv.server->free)
2024                         continue;
2025                 active++;
2026                 if (ent->fields.server->solid)
2027                         solid++;
2028                 if (ent->fields.server->model)
2029                         models++;
2030                 if (ent->fields.server->movetype == MOVETYPE_STEP)
2031                         step++;
2032         }
2033
2034         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
2035         Con_Printf("active    :%3i\n", active);
2036         Con_Printf("view      :%3i\n", models);
2037         Con_Printf("touch     :%3i\n", solid);
2038         Con_Printf("step      :%3i\n", step);
2039 }
2040
2041 qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
2042 {
2043         // remove things from different skill levels or deathmatch
2044         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
2045         {
2046                 if (deathmatch.integer)
2047                 {
2048                         if (((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
2049                         {
2050                                 return false;
2051                         }
2052                 }
2053                 else if ((current_skill <= 0 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_EASY  ))
2054                         || (current_skill == 1 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_MEDIUM))
2055                         || (current_skill >= 2 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_HARD  )))
2056                 {
2057                         return false;
2058                 }
2059         }
2060         return true;
2061 }
2062
2063 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)"};
2064 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
2065 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
2066 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
2067 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
2068 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
2069 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
2070 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2071 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2072 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2073 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2074 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2075 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
2076 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
2077 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
2078 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
2079 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
2080 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
2081 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
2082 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
2083 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
2084 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
2085 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
2086 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
2087 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
2088 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
2089 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
2090 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
2091 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
2092 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
2093 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
2094 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
2095 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
2096
2097 void SV_VM_Init(void)
2098 {
2099         Cvar_RegisterVariable (&pr_checkextension);
2100         Cvar_RegisterVariable (&nomonsters);
2101         Cvar_RegisterVariable (&gamecfg);
2102         Cvar_RegisterVariable (&scratch1);
2103         Cvar_RegisterVariable (&scratch2);
2104         Cvar_RegisterVariable (&scratch3);
2105         Cvar_RegisterVariable (&scratch4);
2106         Cvar_RegisterVariable (&savedgamecfg);
2107         Cvar_RegisterVariable (&saved1);
2108         Cvar_RegisterVariable (&saved2);
2109         Cvar_RegisterVariable (&saved3);
2110         Cvar_RegisterVariable (&saved4);
2111         // LordHavoc: Nehahra uses these to pass data around cutscene demos
2112         if (gamemode == GAME_NEHAHRA)
2113         {
2114                 Cvar_RegisterVariable (&nehx00);
2115                 Cvar_RegisterVariable (&nehx01);
2116                 Cvar_RegisterVariable (&nehx02);
2117                 Cvar_RegisterVariable (&nehx03);
2118                 Cvar_RegisterVariable (&nehx04);
2119                 Cvar_RegisterVariable (&nehx05);
2120                 Cvar_RegisterVariable (&nehx06);
2121                 Cvar_RegisterVariable (&nehx07);
2122                 Cvar_RegisterVariable (&nehx08);
2123                 Cvar_RegisterVariable (&nehx09);
2124                 Cvar_RegisterVariable (&nehx10);
2125                 Cvar_RegisterVariable (&nehx11);
2126                 Cvar_RegisterVariable (&nehx12);
2127                 Cvar_RegisterVariable (&nehx13);
2128                 Cvar_RegisterVariable (&nehx14);
2129                 Cvar_RegisterVariable (&nehx15);
2130                 Cvar_RegisterVariable (&nehx16);
2131                 Cvar_RegisterVariable (&nehx17);
2132                 Cvar_RegisterVariable (&nehx18);
2133                 Cvar_RegisterVariable (&nehx19);
2134         }
2135         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
2136 }
2137
2138 // LordHavoc: in an effort to eliminate time wasted on GetEdictFieldValue...  these are defined as externs in progs.h
2139 int eval_gravity;
2140 int eval_button3;
2141 int eval_button4;
2142 int eval_button5;
2143 int eval_button6;
2144 int eval_button7;
2145 int eval_button8;
2146 int eval_button9;
2147 int eval_button10;
2148 int eval_button11;
2149 int eval_button12;
2150 int eval_button13;
2151 int eval_button14;
2152 int eval_button15;
2153 int eval_button16;
2154 int eval_buttonuse;
2155 int eval_buttonchat;
2156 int eval_glow_size;
2157 int eval_glow_trail;
2158 int eval_glow_color;
2159 int eval_items2;
2160 int eval_scale;
2161 int eval_alpha;
2162 int eval_renderamt; // HalfLife support
2163 int eval_rendermode; // HalfLife support
2164 int eval_fullbright;
2165 int eval_ammo_shells1;
2166 int eval_ammo_nails1;
2167 int eval_ammo_lava_nails;
2168 int eval_ammo_rockets1;
2169 int eval_ammo_multi_rockets;
2170 int eval_ammo_cells1;
2171 int eval_ammo_plasma;
2172 int eval_idealpitch;
2173 int eval_pitch_speed;
2174 int eval_viewmodelforclient;
2175 int eval_nodrawtoclient;
2176 int eval_exteriormodeltoclient;
2177 int eval_drawonlytoclient;
2178 int eval_ping;
2179 int eval_movement;
2180 int eval_pmodel;
2181 int eval_punchvector;
2182 int eval_viewzoom;
2183 int eval_clientcolors;
2184 int eval_tag_entity;
2185 int eval_tag_index;
2186 int eval_light_lev;
2187 int eval_color;
2188 int eval_style;
2189 int eval_pflags;
2190 int eval_cursor_active;
2191 int eval_cursor_screen;
2192 int eval_cursor_trace_start;
2193 int eval_cursor_trace_endpos;
2194 int eval_cursor_trace_ent;
2195 int eval_colormod;
2196 int eval_playermodel;
2197 int eval_playerskin;
2198 int eval_SendEntity;
2199 int eval_Version;
2200 int eval_customizeentityforclient;
2201
2202 mfunction_t *SV_PlayerPhysicsQC;
2203 mfunction_t *EndFrameQC;
2204 //KrimZon - SERVER COMMANDS IN QUAKEC
2205 mfunction_t *SV_ParseClientCommandQC;
2206
2207 ddef_t *PRVM_ED_FindGlobal(const char *name);
2208
2209 void SV_VM_FindEdictFieldOffsets(void)
2210 {
2211         eval_gravity = PRVM_ED_FindFieldOffset("gravity");
2212         eval_button3 = PRVM_ED_FindFieldOffset("button3");
2213         eval_button4 = PRVM_ED_FindFieldOffset("button4");
2214         eval_button5 = PRVM_ED_FindFieldOffset("button5");
2215         eval_button6 = PRVM_ED_FindFieldOffset("button6");
2216         eval_button7 = PRVM_ED_FindFieldOffset("button7");
2217         eval_button8 = PRVM_ED_FindFieldOffset("button8");
2218         eval_button9 = PRVM_ED_FindFieldOffset("button9");
2219         eval_button10 = PRVM_ED_FindFieldOffset("button10");
2220         eval_button11 = PRVM_ED_FindFieldOffset("button11");
2221         eval_button12 = PRVM_ED_FindFieldOffset("button12");
2222         eval_button13 = PRVM_ED_FindFieldOffset("button13");
2223         eval_button14 = PRVM_ED_FindFieldOffset("button14");
2224         eval_button15 = PRVM_ED_FindFieldOffset("button15");
2225         eval_button16 = PRVM_ED_FindFieldOffset("button16");
2226         eval_buttonuse = PRVM_ED_FindFieldOffset("buttonuse");
2227         eval_buttonchat = PRVM_ED_FindFieldOffset("buttonchat");
2228         eval_glow_size = PRVM_ED_FindFieldOffset("glow_size");
2229         eval_glow_trail = PRVM_ED_FindFieldOffset("glow_trail");
2230         eval_glow_color = PRVM_ED_FindFieldOffset("glow_color");
2231         eval_items2 = PRVM_ED_FindFieldOffset("items2");
2232         eval_scale = PRVM_ED_FindFieldOffset("scale");
2233         eval_alpha = PRVM_ED_FindFieldOffset("alpha");
2234         eval_renderamt = PRVM_ED_FindFieldOffset("renderamt"); // HalfLife support
2235         eval_rendermode = PRVM_ED_FindFieldOffset("rendermode"); // HalfLife support
2236         eval_fullbright = PRVM_ED_FindFieldOffset("fullbright");
2237         eval_ammo_shells1 = PRVM_ED_FindFieldOffset("ammo_shells1");
2238         eval_ammo_nails1 = PRVM_ED_FindFieldOffset("ammo_nails1");
2239         eval_ammo_lava_nails = PRVM_ED_FindFieldOffset("ammo_lava_nails");
2240         eval_ammo_rockets1 = PRVM_ED_FindFieldOffset("ammo_rockets1");
2241         eval_ammo_multi_rockets = PRVM_ED_FindFieldOffset("ammo_multi_rockets");
2242         eval_ammo_cells1 = PRVM_ED_FindFieldOffset("ammo_cells1");
2243         eval_ammo_plasma = PRVM_ED_FindFieldOffset("ammo_plasma");
2244         eval_idealpitch = PRVM_ED_FindFieldOffset("idealpitch");
2245         eval_pitch_speed = PRVM_ED_FindFieldOffset("pitch_speed");
2246         eval_viewmodelforclient = PRVM_ED_FindFieldOffset("viewmodelforclient");
2247         eval_nodrawtoclient = PRVM_ED_FindFieldOffset("nodrawtoclient");
2248         eval_exteriormodeltoclient = PRVM_ED_FindFieldOffset("exteriormodeltoclient");
2249         eval_drawonlytoclient = PRVM_ED_FindFieldOffset("drawonlytoclient");
2250         eval_ping = PRVM_ED_FindFieldOffset("ping");
2251         eval_movement = PRVM_ED_FindFieldOffset("movement");
2252         eval_pmodel = PRVM_ED_FindFieldOffset("pmodel");
2253         eval_punchvector = PRVM_ED_FindFieldOffset("punchvector");
2254         eval_viewzoom = PRVM_ED_FindFieldOffset("viewzoom");
2255         eval_clientcolors = PRVM_ED_FindFieldOffset("clientcolors");
2256         eval_tag_entity = PRVM_ED_FindFieldOffset("tag_entity");
2257         eval_tag_index = PRVM_ED_FindFieldOffset("tag_index");
2258         eval_light_lev = PRVM_ED_FindFieldOffset("light_lev");
2259         eval_color = PRVM_ED_FindFieldOffset("color");
2260         eval_style = PRVM_ED_FindFieldOffset("style");
2261         eval_pflags = PRVM_ED_FindFieldOffset("pflags");
2262         eval_cursor_active = PRVM_ED_FindFieldOffset("cursor_active");
2263         eval_cursor_screen = PRVM_ED_FindFieldOffset("cursor_screen");
2264         eval_cursor_trace_start = PRVM_ED_FindFieldOffset("cursor_trace_start");
2265         eval_cursor_trace_endpos = PRVM_ED_FindFieldOffset("cursor_trace_endpos");
2266         eval_cursor_trace_ent = PRVM_ED_FindFieldOffset("cursor_trace_ent");
2267         eval_colormod = PRVM_ED_FindFieldOffset("colormod");
2268         eval_playermodel = PRVM_ED_FindFieldOffset("playermodel");
2269         eval_playerskin = PRVM_ED_FindFieldOffset("playerskin");
2270         eval_SendEntity = PRVM_ED_FindFieldOffset("SendEntity");
2271         eval_Version = PRVM_ED_FindFieldOffset("Version");
2272         eval_customizeentityforclient = PRVM_ED_FindFieldOffset("customizeentityforclient");
2273
2274         // LordHavoc: allowing QuakeC to override the player movement code
2275         SV_PlayerPhysicsQC = PRVM_ED_FindFunction ("SV_PlayerPhysics");
2276         // LordHavoc: support for endframe
2277         EndFrameQC = PRVM_ED_FindFunction ("EndFrame");
2278         //KrimZon - SERVER COMMANDS IN QUAKEC
2279         SV_ParseClientCommandQC = PRVM_ED_FindFunction ("SV_ParseClientCommand");
2280
2281         //[515]: init stufftext string (it is sent before svc_serverinfo)
2282         if(PRVM_ED_FindGlobal("SV_InitCmd") && PRVM_ED_FindGlobal("SV_InitCmd")->type & ev_string)
2283                 SV_InitCmd = PRVM_G_STRING(PRVM_ED_FindGlobal("SV_InitCmd")->ofs);
2284         else
2285                 SV_InitCmd = NULL;
2286 }
2287
2288 #define REQFIELDS (sizeof(reqfields) / sizeof(prvm_required_field_t))
2289
2290 prvm_required_field_t reqfields[] =
2291 {
2292         {ev_entity, "cursor_trace_ent"},
2293         {ev_entity, "drawonlytoclient"},
2294         {ev_entity, "exteriormodeltoclient"},
2295         {ev_entity, "nodrawtoclient"},
2296         {ev_entity, "tag_entity"},
2297         {ev_entity, "viewmodelforclient"},
2298         {ev_float, "alpha"},
2299         {ev_float, "ammo_cells1"},
2300         {ev_float, "ammo_lava_nails"},
2301         {ev_float, "ammo_multi_rockets"},
2302         {ev_float, "ammo_nails1"},
2303         {ev_float, "ammo_plasma"},
2304         {ev_float, "ammo_rockets1"},
2305         {ev_float, "ammo_shells1"},
2306         {ev_float, "button3"},
2307         {ev_float, "button4"},
2308         {ev_float, "button5"},
2309         {ev_float, "button6"},
2310         {ev_float, "button7"},
2311         {ev_float, "button8"},
2312         {ev_float, "button9"},
2313         {ev_float, "button10"},
2314         {ev_float, "button11"},
2315         {ev_float, "button12"},
2316         {ev_float, "button13"},
2317         {ev_float, "button14"},
2318         {ev_float, "button15"},
2319         {ev_float, "button16"},
2320         {ev_float, "buttonchat"},
2321         {ev_float, "buttonuse"},
2322         {ev_float, "clientcolors"},
2323         {ev_float, "cursor_active"},
2324         {ev_float, "fullbright"},
2325         {ev_float, "glow_color"},
2326         {ev_float, "glow_size"},
2327         {ev_float, "glow_trail"},
2328         {ev_float, "gravity"},
2329         {ev_float, "idealpitch"},
2330         {ev_float, "items2"},
2331         {ev_float, "light_lev"},
2332         {ev_float, "pflags"},
2333         {ev_float, "ping"},
2334         {ev_float, "pitch_speed"},
2335         {ev_float, "pmodel"},
2336         {ev_float, "renderamt"}, // HalfLife support
2337         {ev_float, "rendermode"}, // HalfLife support
2338         {ev_float, "scale"},
2339         {ev_float, "style"},
2340         {ev_float, "tag_index"},
2341         {ev_float, "Version"},
2342         {ev_float, "viewzoom"},
2343         {ev_vector, "color"},
2344         {ev_vector, "colormod"},
2345         {ev_vector, "cursor_screen"},
2346         {ev_vector, "cursor_trace_endpos"},
2347         {ev_vector, "cursor_trace_start"},
2348         {ev_vector, "movement"},
2349         {ev_vector, "punchvector"},
2350         {ev_string, "playermodel"},
2351         {ev_string, "playerskin"},
2352         {ev_function, "SendEntity"},
2353         {ev_function, "customizeentityforclient"},
2354 };
2355
2356 void SV_VM_Setup(void)
2357 {
2358         PRVM_Begin;
2359         PRVM_InitProg( PRVM_SERVERPROG );
2360
2361         // allocate the mempools
2362         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
2363         prog->builtins = vm_sv_builtins;
2364         prog->numbuiltins = vm_sv_numbuiltins;
2365         prog->headercrc = PROGHEADER_CRC;
2366         prog->max_edicts = 512;
2367         prog->limit_edicts = MAX_EDICTS;
2368         prog->reserved_edicts = svs.maxclients;
2369         prog->edictprivate_size = sizeof(edict_engineprivate_t);
2370         prog->name = "server";
2371         prog->extensionstring = vm_sv_extensions;
2372         prog->loadintoworld = true;
2373
2374         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
2375         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
2376         prog->init_edict = SV_VM_CB_InitEdict;
2377         prog->free_edict = SV_VM_CB_FreeEdict;
2378         prog->count_edicts = SV_VM_CB_CountEdicts;
2379         prog->load_edict = SV_VM_CB_LoadEdict;
2380         prog->init_cmd = VM_SV_Cmd_Init;
2381         prog->reset_cmd = VM_SV_Cmd_Reset;
2382         prog->error_cmd = Host_Error;
2383
2384         // TODO: add a requiredfuncs list (ask LH if this is necessary at all)
2385         PRVM_LoadProgs( sv_progs.string, 0, NULL, REQFIELDS, reqfields );
2386         SV_VM_FindEdictFieldOffsets();
2387
2388         VM_AutoSentStats_Clear();//[515]: csqc
2389         EntityFrameCSQC_ClearVersions();//[515]: csqc
2390
2391         PRVM_End;
2392 }
2393
2394 void SV_VM_Begin(void)
2395 {
2396         PRVM_Begin;
2397         PRVM_SetProg( PRVM_SERVERPROG );
2398
2399         *prog->time = (float) sv.time;
2400 }
2401
2402 void SV_VM_End(void)
2403 {
2404         PRVM_End;
2405 }