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         // edicts get reallocated on level changes, so we need to update it here
 300         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
 301
 302         // clear cached stuff that depends on the level
 303         client->weaponmodel[0] = 0;
 304         client->weaponmodelindex = 0;
 305
 306         // LordHavoc: clear entityframe tracking
 307         client->latestframenum = 0;
 308
 309         if (client->entitydatabase)
 310                 EntityFrame_FreeDatabase(client->entitydatabase);
 311         if (client->entitydatabase4)
 312                 EntityFrame4_FreeDatabase(client->entitydatabase4);
 313         if (client->entitydatabase5)
 314                 EntityFrame5_FreeDatabase(client->entitydatabase5);
 315
 316         if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE)
 317         {
 318                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 319                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
 320                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
 321                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
 322                 else
 323                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
 324         }
 325
 326         SZ_Clear (&client->message);
 327         MSG_WriteByte (&client->message, svc_print);
 328         dpsnprintf (message, sizeof (message), "\002\nServer: %s build %s (progs %i crc)", gamename, buildstring, prog->filecrc);
 329         MSG_WriteString (&client->message,message);
 330
 331         // LordHavoc: this does not work on dedicated servers, needs fixing.
 332 //[515]: init csprogs according to version of svprogs, check the crc, etc.
 333         if(csqc_loaded && (cls.state == ca_dedicated || PRVM_NUM_FOR_EDICT(client->edict) != 1))
 334         {
 335                 MSG_WriteByte (&client->message, svc_stufftext);
 336                 if(SV_InitCmd)
 337                         MSG_WriteString (&client->message, va("csqc_progcrc %i;%s\n", csqc_progcrc.integer, SV_InitCmd));
 338                 else
 339                         MSG_WriteString (&client->message, va("csqc_progcrc %i\n", csqc_progcrc.integer));
 340         }
 341
 342         MSG_WriteByte (&client->message, svc_serverinfo);
 343         MSG_WriteLong (&client->message, Protocol_NumberForEnum(sv.protocol));
 344         MSG_WriteByte (&client->message, svs.maxclients);
 345
 346         if (!coop.integer && deathmatch.integer)
 347                 MSG_WriteByte (&client->message, GAME_DEATHMATCH);
 348         else
 349                 MSG_WriteByte (&client->message, GAME_COOP);
 350
 351         MSG_WriteString (&client->message,PRVM_GetString(prog->edicts->fields.server->message));
 352
 353         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
 354                 MSG_WriteString (&client->message, sv.model_precache[i]);
 355         MSG_WriteByte (&client->message, 0);
 356
 357         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
 358                 MSG_WriteString (&client->message, sv.sound_precache[i]);
 359         MSG_WriteByte (&client->message, 0);
 360
 361 // send music
 362         MSG_WriteByte (&client->message, svc_cdtrack);
 363         MSG_WriteByte (&client->message, prog->edicts->fields.server->sounds);
 364         MSG_WriteByte (&client->message, prog->edicts->fields.server->sounds);
 365
 366 // set view
 367         MSG_WriteByte (&client->message, svc_setview);
 368         MSG_WriteShort (&client->message, PRVM_NUM_FOR_EDICT(client->edict));
 369
 370         MSG_WriteByte (&client->message, svc_signonnum);
 371         MSG_WriteByte (&client->message, 1);
 372
 373         client->sendsignon = true;
 374         client->spawned = false;                // need prespawn, spawn, etc
 375 }
 376
 377 /*
 378 ================
 379 SV_ConnectClient
 380
 381 Initializes a client_t for a new net connection.  This will only be called
 382 once for a player each game, not once for each level change.
 383 ================
 384 */
 385 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
 386 {
 387         client_t                *client;
 388         int                             i;
 389         float                   spawn_parms[NUM_SPAWN_PARMS];
 390
 391         client = svs.clients + clientnum;
 392
 393         if(netconnection)//[515]: bots don't play with csqc =)
 394                 EntityFrameCSQC_InitClientVersions(clientnum, false);
 395
 396 // set up the client_t
 397         if (sv.loadgame)
 398                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
 399         memset (client, 0, sizeof(*client));
 400         client->active = true;
 401         client->netconnection = netconnection;
 402
 403         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
 404
 405         strcpy(client->name, "unconnected");
 406         strcpy(client->old_name, "unconnected");
 407         client->spawned = false;
 408         client->edict = PRVM_EDICT_NUM(clientnum+1);
 409         client->message.data = client->msgbuf;
 410         client->message.maxsize = sizeof(client->msgbuf);
 411         client->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->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                 {
1380                         SZ_Clear(&host_client->message);
1381                         continue;
1382                 }
1383
1384                 if (host_client->message.overflowed)
1385                 {
1386                         SV_DropClient (true);   // if the message couldn't send, kick off
1387                         continue;
1388                 }
1389
1390                 if (host_client->spawned)
1391                 {
1392                         if (!prepared)
1393                         {
1394                                 prepared = true;
1395                                 // only prepare entities once per frame
1396                                 SV_PrepareEntitiesForSending();
1397                         }
1398                         if (!SV_SendClientDatagram (host_client))
1399                                 continue;
1400                 }
1401                 else
1402                 {
1403                 // the player isn't totally in the game yet
1404                 // send small keepalive messages if too much time has passed
1405                 // send a full message when the next signon stage has been requested
1406                 // some other message data (name changes, etc) may accumulate
1407                 // between signon stages
1408                         if (!host_client->sendsignon)
1409                         {
1410                                 if (realtime - host_client->last_message > 5)
1411                                         SV_SendNop (host_client);
1412                                 continue;       // don't send out non-signon messages
1413                         }
1414                 }
1415
1416                 if (host_client->message.cursize || host_client->dropasap)
1417                 {
1418                         if (!NetConn_CanSendMessage (host_client->netconnection))
1419                                 continue;
1420
1421                         if (host_client->dropasap)
1422                                 SV_DropClient (false);  // went to another level
1423                         else
1424                         {
1425                                 if (NetConn_SendReliableMessage (host_client->netconnection, &host_client->message) == -1)
1426                                         SV_DropClient (true);   // if the message couldn't send, kick off
1427                                 SZ_Clear (&host_client->message);
1428                                 host_client->last_message = realtime;
1429                                 host_client->sendsignon = false;
1430                         }
1431                 }
1432         }
1433
1434 // clear muzzle flashes
1435         SV_CleanupEnts();
1436 }
1437
1438
1439 /*
1440 ==============================================================================
1441
1442 SERVER SPAWNING
1443
1444 ==============================================================================
1445 */
1446
1447 /*
1448 ================
1449 SV_ModelIndex
1450
1451 ================
1452 */
1453 int SV_ModelIndex(const char *s, int precachemode)
1454 {
1455         int i, limit = ((sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE) ? 256 : MAX_MODELS);
1456         char filename[MAX_QPATH];
1457         if (!s || !*s)
1458                 return 0;
1459         // testing
1460         //if (precachemode == 2)
1461         //      return 0;
1462         strlcpy(filename, s, sizeof(filename));
1463         for (i = 2;i < limit;i++)
1464         {
1465                 if (!sv.model_precache[i][0])
1466                 {
1467                         if (precachemode)
1468                         {
1469                                 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))
1470                                 {
1471                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
1472                                         return 0;
1473                                 }
1474                                 if (precachemode == 1)
1475                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
1476                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
1477                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, false);
1478                                 if (sv.state != ss_loading)
1479                                 {
1480                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
1481                                         MSG_WriteShort(&sv.reliable_datagram, i);
1482                                         MSG_WriteString(&sv.reliable_datagram, filename);
1483                                 }
1484                                 return i;
1485                         }
1486                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
1487                         return 0;
1488                 }
1489                 if (!strcmp(sv.model_precache[i], filename))
1490                         return i;
1491         }
1492         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
1493         return 0;
1494 }
1495
1496 /*
1497 ================
1498 SV_SoundIndex
1499
1500 ================
1501 */
1502 int SV_SoundIndex(const char *s, int precachemode)
1503 {
1504         int i, limit = ((sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE) ? 256 : MAX_SOUNDS);
1505         char filename[MAX_QPATH];
1506         if (!s || !*s)
1507                 return 0;
1508         // testing
1509         //if (precachemode == 2)
1510         //      return 0;
1511         strlcpy(filename, s, sizeof(filename));
1512         for (i = 1;i < limit;i++)
1513         {
1514                 if (!sv.sound_precache[i][0])
1515                 {
1516                         if (precachemode)
1517                         {
1518                                 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))
1519                                 {
1520                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
1521                                         return 0;
1522                                 }
1523                                 if (precachemode == 1)
1524                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
1525                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
1526                                 if (sv.state != ss_loading)
1527                                 {
1528                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
1529                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
1530                                         MSG_WriteString(&sv.reliable_datagram, filename);
1531                                 }
1532                                 return i;
1533                         }
1534                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
1535                         return 0;
1536                 }
1537                 if (!strcmp(sv.sound_precache[i], filename))
1538                         return i;
1539         }
1540         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
1541         return 0;
1542 }
1543
1544 /*
1545 ================
1546 SV_CreateBaseline
1547
1548 ================
1549 */
1550 void SV_CreateBaseline (void)
1551 {
1552         int i, entnum, large;
1553         prvm_edict_t *svent;
1554
1555         // LordHavoc: clear *all* states (note just active ones)
1556         for (entnum = 0;entnum < prog->max_edicts;entnum++)
1557         {
1558                 // get the current server version
1559                 svent = PRVM_EDICT_NUM(entnum);
1560
1561                 // LordHavoc: always clear state values, whether the entity is in use or not
1562                 svent->priv.server->baseline = defaultstate;
1563
1564                 if (svent->priv.server->free)
1565                         continue;
1566                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
1567                         continue;
1568
1569                 // create entity baseline
1570                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
1571                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
1572                 svent->priv.server->baseline.frame = svent->fields.server->frame;
1573                 svent->priv.server->baseline.skin = svent->fields.server->skin;
1574                 if (entnum > 0 && entnum <= svs.maxclients)
1575                 {
1576                         svent->priv.server->baseline.colormap = entnum;
1577                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
1578                 }
1579                 else
1580                 {
1581                         svent->priv.server->baseline.colormap = 0;
1582                         svent->priv.server->baseline.modelindex = svent->fields.server->modelindex;
1583                 }
1584
1585                 large = false;
1586                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
1587                         large = true;
1588
1589                 // add to the message
1590                 if (large)
1591                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
1592                 else
1593                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
1594                 MSG_WriteShort (&sv.signon, entnum);
1595
1596                 if (large)
1597                 {
1598                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
1599                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
1600                 }
1601                 else
1602                 {
1603                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
1604                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
1605                 }
1606                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
1607                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
1608                 for (i=0 ; i<3 ; i++)
1609                 {
1610                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
1611                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
1612                 }
1613         }
1614 }
1615
1616
1617 /*
1618 ================
1619 SV_SendReconnect
1620
1621 Tell all the clients that the server is changing levels
1622 ================
1623 */
1624 void SV_SendReconnect (void)
1625 {
1626 #if 1
1627         MSG_WriteByte(&sv.reliable_datagram, svc_stufftext);
1628         MSG_WriteString(&sv.reliable_datagram, "reconnect\n");
1629 #else
1630         unsigned char data[128];
1631         sizebuf_t msg;
1632
1633         msg.data = data;
1634         msg.cursize = 0;
1635         msg.maxsize = sizeof(data);
1636
1637         MSG_WriteChar (&msg, svc_stufftext);
1638         MSG_WriteString (&msg, "reconnect\n");
1639         NetConn_SendToAll (&msg, 5);
1640
1641         if (cls.state != ca_dedicated)
1642                 Cmd_ExecuteString ("reconnect\n", src_command);
1643 #endif
1644 }
1645
1646
1647 /*
1648 ================
1649 SV_SaveSpawnparms
1650
1651 Grabs the current state of each client for saving across the
1652 transition to another level
1653 ================
1654 */
1655 void SV_SaveSpawnparms (void)
1656 {
1657         int             i, j;
1658
1659         svs.serverflags = prog->globals.server->serverflags;
1660
1661         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1662         {
1663                 if (!host_client->active)
1664                         continue;
1665
1666         // call the progs to get default spawn parms for the new client
1667                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
1668                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
1669                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1670                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
1671         }
1672 }
1673 /*
1674 void SV_IncreaseEdicts(void)
1675 {
1676         int i;
1677         prvm_edict_t *ent;
1678         int oldmax_edicts = prog->max_edicts;
1679         void *oldedictsengineprivate = prog->edictprivate;
1680         void *oldedictsfields = prog->edictsfields;
1681         void *oldmoved_edicts = sv.moved_edicts;
1682
1683         if (prog->max_edicts >= MAX_EDICTS)
1684                 return;
1685
1686         // links don't survive the transition, so unlink everything
1687         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
1688         {
1689                 if (!ent->priv.server->free)
1690                         SV_UnlinkEdict(prog->edicts + i);
1691                 memset(&ent->priv.server->areagrid, 0, sizeof(ent->priv.server->areagrid));
1692         }
1693         SV_ClearWorld();
1694
1695         prog->max_edicts   = min(prog->max_edicts + 256, MAX_EDICTS);
1696         prog->edictprivate = PR_Alloc(prog->max_edicts * sizeof(edict_engineprivate_t));
1697         prog->edictsfields = PR_Alloc(prog->max_edicts * prog->edict_size);
1698         sv.moved_edicts = PR_Alloc(prog->max_edicts * sizeof(prvm_edict_t *));
1699
1700         memcpy(prog->edictprivate, oldedictsengineprivate, oldmax_edicts * sizeof(edict_engineprivate_t));
1701         memcpy(prog->edictsfields, oldedictsfields, oldmax_edicts * prog->edict_size);
1702
1703         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
1704         {
1705                 ent->priv.vp = (unsigned char*) prog->edictprivate + i * prog->edictprivate_size;
1706                 ent->fields.server = (void *)((unsigned char *)prog->edictsfields + i * prog->edict_size);
1707                 // link every entity except world
1708                 if (!ent->priv.server->free)
1709                         SV_LinkEdict(ent, false);
1710         }
1711
1712         PR_Free(oldedictsengineprivate);
1713         PR_Free(oldedictsfields);
1714         PR_Free(oldmoved_edicts);
1715 }*/
1716
1717 /*
1718 ================
1719 SV_SpawnServer
1720
1721 This is called at the start of each level
1722 ================
1723 */
1724 extern float            scr_centertime_off;
1725
1726 void SV_SpawnServer (const char *server)
1727 {
1728         prvm_edict_t *ent;
1729         int i;
1730         char *entities;
1731         model_t *worldmodel;
1732         char modelname[sizeof(sv.modelname)];
1733
1734         Con_DPrintf("SpawnServer: %s\n", server);
1735
1736         if (cls.state != ca_dedicated)
1737                 SCR_BeginLoadingPlaque();
1738
1739         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
1740         worldmodel = Mod_ForName(modelname, false, true, true);
1741         if (!worldmodel || !worldmodel->TraceBox)
1742         {
1743                 Con_Printf("Couldn't load map %s\n", modelname);
1744                 return;
1745         }
1746
1747         // let's not have any servers with no name
1748         if (hostname.string[0] == 0)
1749                 Cvar_Set ("hostname", "UNNAMED");
1750         scr_centertime_off = 0;
1751
1752         svs.changelevel_issued = false;         // now safe to issue another
1753
1754 //
1755 // tell all connected clients that we are going to a new level
1756 //
1757         if (sv.active)
1758         {
1759                 SV_VM_Begin();
1760                 SV_SendReconnect();
1761                 SV_VM_End();
1762         }
1763         else
1764         {
1765                 // open server port
1766                 NetConn_OpenServerPorts(true);
1767         }
1768
1769 //
1770 // make cvars consistant
1771 //
1772         if (coop.integer)
1773                 Cvar_SetValue ("deathmatch", 0);
1774         // LordHavoc: it can be useful to have skills outside the range 0-3...
1775         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
1776         //Cvar_SetValue ("skill", (float)current_skill);
1777         current_skill = (int)(skill.value + 0.5);
1778
1779 //
1780 // set up the new server
1781 //
1782         Host_ClearMemory ();
1783
1784         memset (&sv, 0, sizeof(sv));
1785
1786         SV_VM_Setup();
1787
1788         sv.active = true;
1789
1790         strlcpy (sv.name, server, sizeof (sv.name));
1791
1792         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
1793         if (sv.protocol == PROTOCOL_UNKNOWN)
1794         {
1795                 char buffer[1024];
1796                 Protocol_Names(buffer, sizeof(buffer));
1797                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
1798                 sv.protocol = PROTOCOL_QUAKE;
1799         }
1800
1801         SV_VM_Begin();
1802
1803 // load progs to get entity field count
1804         //PR_LoadProgs ( sv_progs.string );
1805
1806         // allocate server memory
1807         /*// start out with just enough room for clients and a reasonable estimate of entities
1808         prog->max_edicts = max(svs.maxclients + 1, 512);
1809         prog->max_edicts = min(prog->max_edicts, MAX_EDICTS);
1810
1811         // prvm_edict_t structures (hidden from progs)
1812         prog->edicts = PR_Alloc(MAX_EDICTS * sizeof(prvm_edict_t));
1813         // engine private structures (hidden from progs)
1814         prog->edictprivate = PR_Alloc(prog->max_edicts * sizeof(edict_engineprivate_t));
1815         // progs fields, often accessed by server
1816         prog->edictsfields = PR_Alloc(prog->max_edicts * prog->edict_size);*/
1817         // used by PushMove to move back pushed entities
1818         sv.moved_edicts = (prvm_edict_t **)PRVM_Alloc(prog->max_edicts * sizeof(prvm_edict_t *));
1819         /*for (i = 0;i < prog->max_edicts;i++)
1820         {
1821                 ent = prog->edicts + i;
1822                 ent->priv.vp = (unsigned char*) prog->edictprivate + i * prog->edictprivate_size;
1823                 ent->fields.server = (void *)((unsigned char *)prog->edictsfields + i * prog->edict_size);
1824         }*/
1825
1826         // reset client csqc entity versions right away.
1827         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1828                 EntityFrameCSQC_InitClientVersions(i, true);
1829
1830         sv.datagram.maxsize = sizeof(sv.datagram_buf);
1831         sv.datagram.cursize = 0;
1832         sv.datagram.data = sv.datagram_buf;
1833
1834         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
1835         sv.reliable_datagram.cursize = 0;
1836         sv.reliable_datagram.data = sv.reliable_datagram_buf;
1837
1838         sv.signon.maxsize = sizeof(sv.signon_buf);
1839         sv.signon.cursize = 0;
1840         sv.signon.data = sv.signon_buf;
1841
1842 // leave slots at start for clients only
1843         //prog->num_edicts = svs.maxclients+1;
1844
1845         sv.state = ss_loading;
1846         prog->allowworldwrites = true;
1847         sv.paused = false;
1848
1849         *prog->time = sv.time = 1.0;
1850
1851         Mod_ClearUsed();
1852         worldmodel->used = true;
1853
1854         strlcpy (sv.name, server, sizeof (sv.name));
1855         strcpy(sv.modelname, modelname);
1856         sv.worldmodel = worldmodel;
1857         sv.models[1] = sv.worldmodel;
1858
1859 //
1860 // clear world interaction links
1861 //
1862         SV_ClearWorld ();
1863
1864         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
1865
1866         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
1867         strlcpy(sv.model_precache[1], sv.modelname, sizeof(sv.model_precache[1]));
1868         for (i = 1;i < sv.worldmodel->brush.numsubmodels;i++)
1869         {
1870                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
1871                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, false);
1872         }
1873
1874 //
1875 // load the rest of the entities
1876 //
1877         // AK possible hack since num_edicts is still 0
1878         ent = PRVM_EDICT_NUM(0);
1879         memset (ent->fields.server, 0, prog->progs->entityfields * 4);
1880         ent->priv.server->free = false;
1881         ent->fields.server->model = PRVM_SetEngineString(sv.modelname);
1882         ent->fields.server->modelindex = 1;             // world model
1883         ent->fields.server->solid = SOLID_BSP;
1884         ent->fields.server->movetype = MOVETYPE_PUSH;
1885
1886         if (coop.value)
1887                 prog->globals.server->coop = coop.integer;
1888         else
1889                 prog->globals.server->deathmatch = deathmatch.integer;
1890
1891         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
1892
1893 // serverflags are for cross level information (sigils)
1894         prog->globals.server->serverflags = svs.serverflags;
1895
1896         // we need to reset the spawned flag on all connected clients here so that
1897         // their thinks don't run during startup (before PutClientInServer)
1898         // we also need to set up the client entities now
1899         // and we need to set the ->edict pointers to point into the progs edicts
1900         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1901         {
1902                 host_client->spawned = false;
1903                 host_client->edict = PRVM_EDICT_NUM(i + 1);
1904                 PRVM_ED_ClearEdict(host_client->edict);
1905         }
1906
1907         // load replacement entity file if found
1908         entities = NULL;
1909         if (sv_entpatch.integer)
1910                 entities = (char *)FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true, NULL);
1911         if (entities)
1912         {
1913                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
1914                 PRVM_ED_LoadFromFile (entities);
1915                 Mem_Free(entities);
1916         }
1917         else
1918                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
1919
1920
1921         // LordHavoc: clear world angles (to fix e3m3.bsp)
1922         VectorClear(prog->edicts->fields.server->angles);
1923
1924 // all setup is completed, any further precache statements are errors
1925         sv.state = ss_active;
1926         prog->allowworldwrites = false;
1927
1928 // run two frames to allow everything to settle
1929         for (i = 0;i < 2;i++)
1930         {
1931                 sv.frametime = host_frametime = 0.1;
1932                 SV_Physics ();
1933         }
1934
1935         Mod_PurgeUnused();
1936
1937 // create a baseline for more efficient communications
1938         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE)
1939                 SV_CreateBaseline ();
1940
1941 // send serverinfo to all connected clients, and set up botclients coming back from a level change
1942         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1943         {
1944                 if (!host_client->active)
1945                         continue;
1946                 if (host_client->netconnection)
1947                         SV_SendServerinfo(host_client);
1948                 else
1949                 {
1950                         int j;
1951                         // if client is a botclient coming from a level change, we need to
1952                         // set up client info that normally requires networking
1953
1954                         // copy spawn parms out of the client_t
1955                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
1956                                 (&prog->globals.server->parm1)[j] = host_client->spawn_parms[j];
1957
1958                         // call the spawn function
1959                         host_client->clientconnectcalled = true;
1960                         prog->globals.server->time = sv.time;
1961                         prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
1962                         PRVM_ExecuteProgram (prog->globals.server->ClientConnect, "QC function ClientConnect is missing");
1963                         PRVM_ExecuteProgram (prog->globals.server->PutClientInServer, "QC function PutClientInServer is missing");
1964                         host_client->spawned = true;
1965                 }
1966         }
1967
1968         Con_DPrint("Server spawned.\n");
1969         NetConn_Heartbeat (2);
1970
1971         SV_VM_End();
1972 }
1973
1974 /////////////////////////////////////////////////////
1975 // SV VM stuff
1976
1977 void SV_VM_CB_BeginIncreaseEdicts(void)
1978 {
1979         int i;
1980         prvm_edict_t *ent;
1981
1982         PRVM_Free( sv.moved_edicts );
1983         sv.moved_edicts = (prvm_edict_t **)PRVM_Alloc(prog->max_edicts * sizeof(prvm_edict_t *));
1984
1985         // links don't survive the transition, so unlink everything
1986         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
1987         {
1988                 if (!ent->priv.server->free)
1989                         SV_UnlinkEdict(prog->edicts + i);
1990                 memset(&ent->priv.server->areagrid, 0, sizeof(ent->priv.server->areagrid));
1991         }
1992         SV_ClearWorld();
1993 }
1994
1995 void SV_VM_CB_EndIncreaseEdicts(void)
1996 {
1997         int i;
1998         prvm_edict_t *ent;
1999
2000         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
2001         {
2002                 // link every entity except world
2003                 if (!ent->priv.server->free)
2004                         SV_LinkEdict(ent, false);
2005         }
2006 }
2007
2008 void SV_VM_CB_InitEdict(prvm_edict_t *e)
2009 {
2010         // LordHavoc: for consistency set these here
2011         int num = PRVM_NUM_FOR_EDICT(e) - 1;
2012
2013         if (num >= 0 && num < svs.maxclients)
2014         {
2015                 prvm_eval_t *val;
2016                 // set colormap and team on newly created player entity
2017                 e->fields.server->colormap = num + 1;
2018                 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
2019                 // set netname/clientcolors back to client values so that
2020                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
2021                 // reset them
2022                 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
2023                 if ((val = PRVM_GETEDICTFIELDVALUE(e, eval_clientcolors)))
2024                         val->_float = svs.clients[num].colors;
2025                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
2026                 if( eval_playermodel )
2027                         PRVM_GETEDICTFIELDVALUE(e, eval_playermodel)->string = PRVM_SetEngineString(svs.clients[num].playermodel);
2028                 if( eval_playerskin )
2029                         PRVM_GETEDICTFIELDVALUE(e, eval_playerskin)->string = PRVM_SetEngineString(svs.clients[num].playerskin);
2030         }
2031 }
2032
2033 void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
2034 {
2035         SV_UnlinkEdict (ed);            // unlink from world bsp
2036
2037         ed->fields.server->model = 0;
2038         ed->fields.server->takedamage = 0;
2039         ed->fields.server->modelindex = 0;
2040         ed->fields.server->colormap = 0;
2041         ed->fields.server->skin = 0;
2042         ed->fields.server->frame = 0;
2043         VectorClear(ed->fields.server->origin);
2044         VectorClear(ed->fields.server->angles);
2045         ed->fields.server->nextthink = -1;
2046         ed->fields.server->solid = 0;
2047 }
2048
2049 void SV_VM_CB_CountEdicts(void)
2050 {
2051         int             i;
2052         prvm_edict_t    *ent;
2053         int             active, models, solid, step;
2054
2055         active = models = solid = step = 0;
2056         for (i=0 ; i<prog->num_edicts ; i++)
2057         {
2058                 ent = PRVM_EDICT_NUM(i);
2059                 if (ent->priv.server->free)
2060                         continue;
2061                 active++;
2062                 if (ent->fields.server->solid)
2063                         solid++;
2064                 if (ent->fields.server->model)
2065                         models++;
2066                 if (ent->fields.server->movetype == MOVETYPE_STEP)
2067                         step++;
2068         }
2069
2070         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
2071         Con_Printf("active    :%3i\n", active);
2072         Con_Printf("view      :%3i\n", models);
2073         Con_Printf("touch     :%3i\n", solid);
2074         Con_Printf("step      :%3i\n", step);
2075 }
2076
2077 qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
2078 {
2079         // remove things from different skill levels or deathmatch
2080         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
2081         {
2082                 if (deathmatch.integer)
2083                 {
2084                         if (((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
2085                         {
2086                                 return false;
2087                         }
2088                 }
2089                 else if ((current_skill <= 0 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_EASY  ))
2090                         || (current_skill == 1 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_MEDIUM))
2091                         || (current_skill >= 2 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_HARD  )))
2092                 {
2093                         return false;
2094                 }
2095         }
2096         return true;
2097 }
2098
2099 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)"};
2100 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
2101 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
2102 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
2103 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
2104 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
2105 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
2106 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2107 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2108 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2109 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2110 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2111 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
2112 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
2113 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
2114 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
2115 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
2116 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
2117 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
2118 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
2119 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
2120 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
2121 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
2122 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
2123 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
2124 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
2125 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
2126 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
2127 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
2128 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
2129 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
2130 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
2131 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
2132
2133 void SV_VM_Init(void)
2134 {
2135         Cvar_RegisterVariable (&pr_checkextension);
2136         Cvar_RegisterVariable (&nomonsters);
2137         Cvar_RegisterVariable (&gamecfg);
2138         Cvar_RegisterVariable (&scratch1);
2139         Cvar_RegisterVariable (&scratch2);
2140         Cvar_RegisterVariable (&scratch3);
2141         Cvar_RegisterVariable (&scratch4);
2142         Cvar_RegisterVariable (&savedgamecfg);
2143         Cvar_RegisterVariable (&saved1);
2144         Cvar_RegisterVariable (&saved2);
2145         Cvar_RegisterVariable (&saved3);
2146         Cvar_RegisterVariable (&saved4);
2147         // LordHavoc: Nehahra uses these to pass data around cutscene demos
2148         if (gamemode == GAME_NEHAHRA)
2149         {
2150                 Cvar_RegisterVariable (&nehx00);
2151                 Cvar_RegisterVariable (&nehx01);
2152                 Cvar_RegisterVariable (&nehx02);
2153                 Cvar_RegisterVariable (&nehx03);
2154                 Cvar_RegisterVariable (&nehx04);
2155                 Cvar_RegisterVariable (&nehx05);
2156                 Cvar_RegisterVariable (&nehx06);
2157                 Cvar_RegisterVariable (&nehx07);
2158                 Cvar_RegisterVariable (&nehx08);
2159                 Cvar_RegisterVariable (&nehx09);
2160                 Cvar_RegisterVariable (&nehx10);
2161                 Cvar_RegisterVariable (&nehx11);
2162                 Cvar_RegisterVariable (&nehx12);
2163                 Cvar_RegisterVariable (&nehx13);
2164                 Cvar_RegisterVariable (&nehx14);
2165                 Cvar_RegisterVariable (&nehx15);
2166                 Cvar_RegisterVariable (&nehx16);
2167                 Cvar_RegisterVariable (&nehx17);
2168                 Cvar_RegisterVariable (&nehx18);
2169                 Cvar_RegisterVariable (&nehx19);
2170         }
2171         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
2172 }
2173
2174 // LordHavoc: in an effort to eliminate time wasted on GetEdictFieldValue...  these are defined as externs in progs.h
2175 int eval_gravity;
2176 int eval_button3;
2177 int eval_button4;
2178 int eval_button5;
2179 int eval_button6;
2180 int eval_button7;
2181 int eval_button8;
2182 int eval_button9;
2183 int eval_button10;
2184 int eval_button11;
2185 int eval_button12;
2186 int eval_button13;
2187 int eval_button14;
2188 int eval_button15;
2189 int eval_button16;
2190 int eval_buttonuse;
2191 int eval_buttonchat;
2192 int eval_glow_size;
2193 int eval_glow_trail;
2194 int eval_glow_color;
2195 int eval_items2;
2196 int eval_scale;
2197 int eval_alpha;
2198 int eval_renderamt; // HalfLife support
2199 int eval_rendermode; // HalfLife support
2200 int eval_fullbright;
2201 int eval_ammo_shells1;
2202 int eval_ammo_nails1;
2203 int eval_ammo_lava_nails;
2204 int eval_ammo_rockets1;
2205 int eval_ammo_multi_rockets;
2206 int eval_ammo_cells1;
2207 int eval_ammo_plasma;
2208 int eval_idealpitch;
2209 int eval_pitch_speed;
2210 int eval_viewmodelforclient;
2211 int eval_nodrawtoclient;
2212 int eval_exteriormodeltoclient;
2213 int eval_drawonlytoclient;
2214 int eval_ping;
2215 int eval_movement;
2216 int eval_pmodel;
2217 int eval_punchvector;
2218 int eval_viewzoom;
2219 int eval_clientcolors;
2220 int eval_tag_entity;
2221 int eval_tag_index;
2222 int eval_light_lev;
2223 int eval_color;
2224 int eval_style;
2225 int eval_pflags;
2226 int eval_cursor_active;
2227 int eval_cursor_screen;
2228 int eval_cursor_trace_start;
2229 int eval_cursor_trace_endpos;
2230 int eval_cursor_trace_ent;
2231 int eval_colormod;
2232 int eval_playermodel;
2233 int eval_playerskin;
2234 int eval_SendEntity;
2235 int eval_Version;
2236 int eval_customizeentityforclient;
2237
2238 mfunction_t *SV_PlayerPhysicsQC;
2239 mfunction_t *EndFrameQC;
2240 //KrimZon - SERVER COMMANDS IN QUAKEC
2241 mfunction_t *SV_ParseClientCommandQC;
2242
2243 ddef_t *PRVM_ED_FindGlobal(const char *name);
2244
2245 void SV_VM_FindEdictFieldOffsets(void)
2246 {
2247         eval_gravity = PRVM_ED_FindFieldOffset("gravity");
2248         eval_button3 = PRVM_ED_FindFieldOffset("button3");
2249         eval_button4 = PRVM_ED_FindFieldOffset("button4");
2250         eval_button5 = PRVM_ED_FindFieldOffset("button5");
2251         eval_button6 = PRVM_ED_FindFieldOffset("button6");
2252         eval_button7 = PRVM_ED_FindFieldOffset("button7");
2253         eval_button8 = PRVM_ED_FindFieldOffset("button8");
2254         eval_button9 = PRVM_ED_FindFieldOffset("button9");
2255         eval_button10 = PRVM_ED_FindFieldOffset("button10");
2256         eval_button11 = PRVM_ED_FindFieldOffset("button11");
2257         eval_button12 = PRVM_ED_FindFieldOffset("button12");
2258         eval_button13 = PRVM_ED_FindFieldOffset("button13");
2259         eval_button14 = PRVM_ED_FindFieldOffset("button14");
2260         eval_button15 = PRVM_ED_FindFieldOffset("button15");
2261         eval_button16 = PRVM_ED_FindFieldOffset("button16");
2262         eval_buttonuse = PRVM_ED_FindFieldOffset("buttonuse");
2263         eval_buttonchat = PRVM_ED_FindFieldOffset("buttonchat");
2264         eval_glow_size = PRVM_ED_FindFieldOffset("glow_size");
2265         eval_glow_trail = PRVM_ED_FindFieldOffset("glow_trail");
2266         eval_glow_color = PRVM_ED_FindFieldOffset("glow_color");
2267         eval_items2 = PRVM_ED_FindFieldOffset("items2");
2268         eval_scale = PRVM_ED_FindFieldOffset("scale");
2269         eval_alpha = PRVM_ED_FindFieldOffset("alpha");
2270         eval_renderamt = PRVM_ED_FindFieldOffset("renderamt"); // HalfLife support
2271         eval_rendermode = PRVM_ED_FindFieldOffset("rendermode"); // HalfLife support
2272         eval_fullbright = PRVM_ED_FindFieldOffset("fullbright");
2273         eval_ammo_shells1 = PRVM_ED_FindFieldOffset("ammo_shells1");
2274         eval_ammo_nails1 = PRVM_ED_FindFieldOffset("ammo_nails1");
2275         eval_ammo_lava_nails = PRVM_ED_FindFieldOffset("ammo_lava_nails");
2276         eval_ammo_rockets1 = PRVM_ED_FindFieldOffset("ammo_rockets1");
2277         eval_ammo_multi_rockets = PRVM_ED_FindFieldOffset("ammo_multi_rockets");
2278         eval_ammo_cells1 = PRVM_ED_FindFieldOffset("ammo_cells1");
2279         eval_ammo_plasma = PRVM_ED_FindFieldOffset("ammo_plasma");
2280         eval_idealpitch = PRVM_ED_FindFieldOffset("idealpitch");
2281         eval_pitch_speed = PRVM_ED_FindFieldOffset("pitch_speed");
2282         eval_viewmodelforclient = PRVM_ED_FindFieldOffset("viewmodelforclient");
2283         eval_nodrawtoclient = PRVM_ED_FindFieldOffset("nodrawtoclient");
2284         eval_exteriormodeltoclient = PRVM_ED_FindFieldOffset("exteriormodeltoclient");
2285         eval_drawonlytoclient = PRVM_ED_FindFieldOffset("drawonlytoclient");
2286         eval_ping = PRVM_ED_FindFieldOffset("ping");
2287         eval_movement = PRVM_ED_FindFieldOffset("movement");
2288         eval_pmodel = PRVM_ED_FindFieldOffset("pmodel");
2289         eval_punchvector = PRVM_ED_FindFieldOffset("punchvector");
2290         eval_viewzoom = PRVM_ED_FindFieldOffset("viewzoom");
2291         eval_clientcolors = PRVM_ED_FindFieldOffset("clientcolors");
2292         eval_tag_entity = PRVM_ED_FindFieldOffset("tag_entity");
2293         eval_tag_index = PRVM_ED_FindFieldOffset("tag_index");
2294         eval_light_lev = PRVM_ED_FindFieldOffset("light_lev");
2295         eval_color = PRVM_ED_FindFieldOffset("color");
2296         eval_style = PRVM_ED_FindFieldOffset("style");
2297         eval_pflags = PRVM_ED_FindFieldOffset("pflags");
2298         eval_cursor_active = PRVM_ED_FindFieldOffset("cursor_active");
2299         eval_cursor_screen = PRVM_ED_FindFieldOffset("cursor_screen");
2300         eval_cursor_trace_start = PRVM_ED_FindFieldOffset("cursor_trace_start");
2301         eval_cursor_trace_endpos = PRVM_ED_FindFieldOffset("cursor_trace_endpos");
2302         eval_cursor_trace_ent = PRVM_ED_FindFieldOffset("cursor_trace_ent");
2303         eval_colormod = PRVM_ED_FindFieldOffset("colormod");
2304         eval_playermodel = PRVM_ED_FindFieldOffset("playermodel");
2305         eval_playerskin = PRVM_ED_FindFieldOffset("playerskin");
2306         eval_SendEntity = PRVM_ED_FindFieldOffset("SendEntity");
2307         eval_Version = PRVM_ED_FindFieldOffset("Version");
2308         eval_customizeentityforclient = PRVM_ED_FindFieldOffset("customizeentityforclient");
2309
2310         // LordHavoc: allowing QuakeC to override the player movement code
2311         SV_PlayerPhysicsQC = PRVM_ED_FindFunction ("SV_PlayerPhysics");
2312         // LordHavoc: support for endframe
2313         EndFrameQC = PRVM_ED_FindFunction ("EndFrame");
2314         //KrimZon - SERVER COMMANDS IN QUAKEC
2315         SV_ParseClientCommandQC = PRVM_ED_FindFunction ("SV_ParseClientCommand");
2316
2317         //[515]: init stufftext string (it is sent before svc_serverinfo)
2318         if(PRVM_ED_FindGlobal("SV_InitCmd") && PRVM_ED_FindGlobal("SV_InitCmd")->type & ev_string)
2319                 SV_InitCmd = PRVM_G_STRING(PRVM_ED_FindGlobal("SV_InitCmd")->ofs);
2320         else
2321                 SV_InitCmd = NULL;
2322 }
2323
2324 #define REQFIELDS (sizeof(reqfields) / sizeof(prvm_required_field_t))
2325
2326 prvm_required_field_t reqfields[] =
2327 {
2328         {ev_entity, "cursor_trace_ent"},
2329         {ev_entity, "drawonlytoclient"},
2330         {ev_entity, "exteriormodeltoclient"},
2331         {ev_entity, "nodrawtoclient"},
2332         {ev_entity, "tag_entity"},
2333         {ev_entity, "viewmodelforclient"},
2334         {ev_float, "alpha"},
2335         {ev_float, "ammo_cells1"},
2336         {ev_float, "ammo_lava_nails"},
2337         {ev_float, "ammo_multi_rockets"},
2338         {ev_float, "ammo_nails1"},
2339         {ev_float, "ammo_plasma"},
2340         {ev_float, "ammo_rockets1"},
2341         {ev_float, "ammo_shells1"},
2342         {ev_float, "button3"},
2343         {ev_float, "button4"},
2344         {ev_float, "button5"},
2345         {ev_float, "button6"},
2346         {ev_float, "button7"},
2347         {ev_float, "button8"},
2348         {ev_float, "button9"},
2349         {ev_float, "button10"},
2350         {ev_float, "button11"},
2351         {ev_float, "button12"},
2352         {ev_float, "button13"},
2353         {ev_float, "button14"},
2354         {ev_float, "button15"},
2355         {ev_float, "button16"},
2356         {ev_float, "buttonchat"},
2357         {ev_float, "buttonuse"},
2358         {ev_float, "clientcolors"},
2359         {ev_float, "cursor_active"},
2360         {ev_float, "fullbright"},
2361         {ev_float, "glow_color"},
2362         {ev_float, "glow_size"},
2363         {ev_float, "glow_trail"},
2364         {ev_float, "gravity"},
2365         {ev_float, "idealpitch"},
2366         {ev_float, "items2"},
2367         {ev_float, "light_lev"},
2368         {ev_float, "pflags"},
2369         {ev_float, "ping"},
2370         {ev_float, "pitch_speed"},
2371         {ev_float, "pmodel"},
2372         {ev_float, "renderamt"}, // HalfLife support
2373         {ev_float, "rendermode"}, // HalfLife support
2374         {ev_float, "scale"},
2375         {ev_float, "style"},
2376         {ev_float, "tag_index"},
2377         {ev_float, "Version"},
2378         {ev_float, "viewzoom"},
2379         {ev_vector, "color"},
2380         {ev_vector, "colormod"},
2381         {ev_vector, "cursor_screen"},
2382         {ev_vector, "cursor_trace_endpos"},
2383         {ev_vector, "cursor_trace_start"},
2384         {ev_vector, "movement"},
2385         {ev_vector, "punchvector"},
2386         {ev_string, "playermodel"},
2387         {ev_string, "playerskin"},
2388         {ev_function, "SendEntity"},
2389         {ev_function, "customizeentityforclient"},
2390 };
2391
2392 void SV_VM_Setup(void)
2393 {
2394         PRVM_Begin;
2395         PRVM_InitProg( PRVM_SERVERPROG );
2396
2397         // allocate the mempools
2398         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
2399         prog->builtins = vm_sv_builtins;
2400         prog->numbuiltins = vm_sv_numbuiltins;
2401         prog->headercrc = PROGHEADER_CRC;
2402         prog->max_edicts = 512;
2403         prog->limit_edicts = MAX_EDICTS;
2404         prog->reserved_edicts = svs.maxclients;
2405         prog->edictprivate_size = sizeof(edict_engineprivate_t);
2406         prog->name = "server";
2407         prog->extensionstring = vm_sv_extensions;
2408         prog->loadintoworld = true;
2409
2410         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
2411         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
2412         prog->init_edict = SV_VM_CB_InitEdict;
2413         prog->free_edict = SV_VM_CB_FreeEdict;
2414         prog->count_edicts = SV_VM_CB_CountEdicts;
2415         prog->load_edict = SV_VM_CB_LoadEdict;
2416         prog->init_cmd = VM_SV_Cmd_Init;
2417         prog->reset_cmd = VM_SV_Cmd_Reset;
2418         prog->error_cmd = Host_Error;
2419
2420         // TODO: add a requiredfuncs list (ask LH if this is necessary at all)
2421         PRVM_LoadProgs( sv_progs.string, 0, NULL, REQFIELDS, reqfields );
2422         SV_VM_FindEdictFieldOffsets();
2423
2424         VM_AutoSentStats_Clear();//[515]: csqc
2425         EntityFrameCSQC_ClearVersions();//[515]: csqc
2426
2427         PRVM_End;
2428 }
2429
2430 void SV_VM_Begin(void)
2431 {
2432         PRVM_Begin;
2433         PRVM_SetProg( PRVM_SERVERPROG );
2434
2435         *prog->time = (float) sv.time;
2436 }
2437
2438 void SV_VM_End(void)
2439 {
2440         PRVM_End;
2441 }