cl_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 // cl_main.c  -- client main loop
  21
  22 #include "quakedef.h"
  23 #include "cl_collision.h"
  24 #include "cl_video.h"
  25
  26 // we need to declare some mouse variables here, because the menu system
  27 // references them even when on a unix system.
  28
  29 // these two are not intended to be set directly
  30 cvar_t cl_name = {CVAR_SAVE, "_cl_name", "player"};
  31 cvar_t cl_color = {CVAR_SAVE, "_cl_color", "0"};
  32 cvar_t cl_pmodel = {CVAR_SAVE, "_cl_pmodel", "0"};
  33
  34 cvar_t cl_shownet = {0, "cl_shownet","0"};
  35 cvar_t cl_nolerp = {0, "cl_nolerp", "0"};
  36
  37 cvar_t cl_itembobheight = {0, "cl_itembobheight", "8"};
  38 cvar_t cl_itembobspeed = {0, "cl_itembobspeed", "0.5"};
  39
  40 cvar_t lookspring = {CVAR_SAVE, "lookspring","0"};
  41 cvar_t lookstrafe = {CVAR_SAVE, "lookstrafe","0"};
  42 cvar_t sensitivity = {CVAR_SAVE, "sensitivity","3", 1, 30};
  43
  44 cvar_t m_pitch = {CVAR_SAVE, "m_pitch","0.022"};
  45 cvar_t m_yaw = {CVAR_SAVE, "m_yaw","0.022"};
  46 cvar_t m_forward = {CVAR_SAVE, "m_forward","1"};
  47 cvar_t m_side = {CVAR_SAVE, "m_side","0.8"};
  48
  49 cvar_t freelook = {CVAR_SAVE, "freelook", "1"};
  50
  51 cvar_t r_draweffects = {0, "r_draweffects", "1"};
  52
  53 cvar_t cl_explosions = {CVAR_SAVE, "cl_explosions", "1"};
  54 cvar_t cl_stainmaps = {CVAR_SAVE, "cl_stainmaps", "1"};
  55
  56 mempool_t *cl_scores_mempool;
  57 mempool_t *cl_refdef_mempool;
  58 mempool_t *cl_entities_mempool;
  59
  60 client_static_t cls;
  61 client_state_t  cl;
  62
  63 int cl_max_entities;
  64 int cl_max_static_entities;
  65 int cl_max_temp_entities;
  66 int cl_max_effects;
  67 int cl_max_beams;
  68 int cl_max_dlights;
  69 int cl_max_lightstyle;
  70 int cl_max_brushmodel_entities;
  71
  72 entity_t *cl_entities;
  73 entity_t *cl_static_entities;
  74 entity_t *cl_temp_entities;
  75 cl_effect_t *cl_effects;
  76 beam_t *cl_beams;
  77 dlight_t *cl_dlights;
  78 lightstyle_t *cl_lightstyle;
  79 entity_render_t **cl_brushmodel_entities;
  80
  81 int cl_num_entities;
  82 int cl_num_static_entities;
  83 int cl_num_temp_entities;
  84 int cl_num_brushmodel_entities;
  85
  86 /*
  87 =====================
  88 CL_ClearState
  89
  90 =====================
  91 */
  92 void CL_ClearState (void)
  93 {
  94         int i;
  95
  96         if (!sv.active)
  97                 Host_ClearMemory ();
  98
  99         Mem_EmptyPool(cl_scores_mempool);
 100         Mem_EmptyPool(cl_entities_mempool);
 101
 102 // wipe the entire cl structure
 103         memset (&cl, 0, sizeof(cl));
 104
 105         SZ_Clear (&cls.message);
 106
 107         cl_num_entities = 0;
 108         cl_num_static_entities = 0;
 109         cl_num_temp_entities = 0;
 110         cl_num_brushmodel_entities = 0;
 111
 112         // tweak these if the game runs out
 113         cl_max_entities = MAX_EDICTS;
 114         cl_max_static_entities = 256;
 115         cl_max_temp_entities = 512;
 116         cl_max_effects = 256;
 117         cl_max_beams = 24;
 118         cl_max_dlights = MAX_DLIGHTS;
 119         cl_max_lightstyle = MAX_LIGHTSTYLES;
 120         cl_max_brushmodel_entities = MAX_EDICTS;
 121
 122         cl_entities = Mem_Alloc(cl_entities_mempool, cl_max_entities * sizeof(entity_t));
 123         cl_static_entities = Mem_Alloc(cl_entities_mempool, cl_max_static_entities * sizeof(entity_t));
 124         cl_temp_entities = Mem_Alloc(cl_entities_mempool, cl_max_temp_entities * sizeof(entity_t));
 125         cl_effects = Mem_Alloc(cl_entities_mempool, cl_max_effects * sizeof(cl_effect_t));
 126         cl_beams = Mem_Alloc(cl_entities_mempool, cl_max_beams * sizeof(beam_t));
 127         cl_dlights = Mem_Alloc(cl_entities_mempool, cl_max_dlights * sizeof(dlight_t));
 128         cl_lightstyle = Mem_Alloc(cl_entities_mempool, cl_max_lightstyle * sizeof(lightstyle_t));
 129         cl_brushmodel_entities = Mem_Alloc(cl_entities_mempool, cl_max_brushmodel_entities * sizeof(entity_render_t *));
 130
 131         CL_Screen_NewMap();
 132
 133         CL_Particles_Clear();
 134
 135         // LordHavoc: have to set up the baseline info for alpha and other stuff
 136         for (i = 0;i < cl_max_entities;i++)
 137         {
 138                 ClearStateToDefault(&cl_entities[i].state_baseline);
 139                 ClearStateToDefault(&cl_entities[i].state_previous);
 140                 ClearStateToDefault(&cl_entities[i].state_current);
 141         }
 142
 143         CL_CGVM_Clear();
 144 }
 145
 146 /*
 147 =====================
 148 CL_Disconnect
 149
 150 Sends a disconnect message to the server
 151 This is also called on Host_Error, so it shouldn't cause any errors
 152 =====================
 153 */
 154 void CL_Disconnect (void)
 155 {
 156         if (cls.state == ca_dedicated)
 157                 return;
 158
 159 // stop sounds (especially looping!)
 160         S_StopAllSounds (true);
 161
 162         // clear contents blends
 163         cl.cshifts[0].percent = 0;
 164         cl.cshifts[1].percent = 0;
 165         cl.cshifts[2].percent = 0;
 166         cl.cshifts[3].percent = 0;
 167
 168         cl.worldmodel = NULL;
 169
 170         if (cls.demoplayback)
 171                 CL_StopPlayback ();
 172         else if (cls.state == ca_connected)
 173         {
 174                 if (cls.demorecording)
 175                         CL_Stop_f ();
 176
 177                 Con_DPrintf ("Sending clc_disconnect\n");
 178                 SZ_Clear (&cls.message);
 179                 MSG_WriteByte (&cls.message, clc_disconnect);
 180                 NET_SendUnreliableMessage (cls.netcon, &cls.message);
 181                 SZ_Clear (&cls.message);
 182                 NET_Close (cls.netcon);
 183                 cls.state = ca_disconnected; // prevent this code from executing again during Host_ShutdownServer
 184                 // if running a local server, shut it down
 185                 if (sv.active)
 186                         Host_ShutdownServer(false);
 187         }
 188         cls.state = ca_disconnected;
 189
 190         cls.demoplayback = cls.timedemo = false;
 191         cls.signon = 0;
 192 }
 193
 194 void CL_Disconnect_f (void)
 195 {
 196         CL_Disconnect ();
 197         if (sv.active)
 198                 Host_ShutdownServer (false);
 199 }
 200
 201
 202
 203
 204 /*
 205 =====================
 206 CL_EstablishConnection
 207
 208 Host should be either "local" or a net address to be passed on
 209 =====================
 210 */
 211 void CL_EstablishConnection (char *host)
 212 {
 213         if (cls.state == ca_dedicated)
 214                 return;
 215
 216         if (cls.demoplayback)
 217                 return;
 218
 219         CL_Disconnect ();
 220
 221         cls.netcon = NET_Connect (host);
 222         if (!cls.netcon)
 223                 Host_Error ("CL_Connect: connect failed\n");
 224         Con_DPrintf ("CL_EstablishConnection: connected to %s\n", host);
 225
 226         cls.demonum = -1;                       // not in the demo loop now
 227         cls.state = ca_connected;
 228         cls.signon = 0;                         // need all the signon messages before playing
 229
 230         CL_ClearState ();
 231 }
 232
 233 /*
 234 ==============
 235 CL_PrintEntities_f
 236 ==============
 237 */
 238 static void CL_PrintEntities_f (void)
 239 {
 240         entity_t *ent;
 241         int i, j;
 242         char name[32];
 243
 244         for (i = 0, ent = cl_entities;i < cl_num_entities;i++, ent++)
 245         {
 246                 if (!ent->state_current.active)
 247                         continue;
 248
 249                 if (ent->render.model)
 250                         strncpy(name, ent->render.model->name, 25);
 251                 else
 252                         strcpy(name, "--no model--");
 253                 name[25] = 0;
 254                 for (j = strlen(name);j < 25;j++)
 255                         name[j] = ' ';
 256                 Con_Printf ("%3i: %s:%04i (%5i %5i %5i) [%3i %3i %3i] %4.2f %5.3f\n", i, name, ent->render.frame, (int) ent->render.origin[0], (int) ent->render.origin[1], (int) ent->render.origin[2], (int) ent->render.angles[0] % 360, (int) ent->render.angles[1] % 360, (int) ent->render.angles[2] % 360, ent->render.scale, ent->render.alpha);
 257         }
 258 }
 259
 260 void CL_LerpUpdate(entity_t *e)
 261 {
 262         entity_persistent_t *p;
 263         entity_render_t *r;
 264         p = &e->persistent;
 265         r = &e->render;
 266
 267         if (p->modelindex != e->state_current.modelindex)
 268         {
 269                 // reset all interpolation information
 270                 p->modelindex = e->state_current.modelindex;
 271                 p->frame1 = p->frame2 = e->state_current.frame;
 272                 p->frame1time = p->frame2time = cl.time;
 273                 p->framelerp = 1;
 274         }
 275         else if (p->frame2 != e->state_current.frame)
 276         {
 277                 // transition to new frame
 278                 p->frame1 = p->frame2;
 279                 p->frame1time = p->frame2time;
 280                 p->frame2 = e->state_current.frame;
 281                 p->frame2time = cl.time;
 282                 p->framelerp = 0;
 283         }
 284         else
 285         {
 286                 // update transition
 287                 p->framelerp = (cl.time - p->frame2time) * 10;
 288                 p->framelerp = bound(0, p->framelerp, 1);
 289         }
 290
 291         r->model = cl.model_precache[e->state_current.modelindex];
 292         Mod_CheckLoaded(r->model);
 293         r->frame = e->state_current.frame;
 294         r->frame1 = p->frame1;
 295         r->frame2 = p->frame2;
 296         r->framelerp = p->framelerp;
 297         r->frame1time = p->frame1time;
 298         r->frame2time = p->frame2time;
 299 }
 300
 301 /*
 302 ===============
 303 CL_LerpPoint
 304
 305 Determines the fraction between the last two messages that the objects
 306 should be put at.
 307 ===============
 308 */
 309 static float CL_LerpPoint (void)
 310 {
 311         float f;
 312
 313         // dropped packet, or start of demo
 314         if (cl.mtime[1] < cl.mtime[0] - 0.1)
 315                 cl.mtime[1] = cl.mtime[0] - 0.1;
 316
 317         cl.time = bound(cl.mtime[1], cl.time, cl.mtime[0]);
 318
 319         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 320         f = cl.mtime[0] - cl.mtime[1];
 321         if (!f || cl_nolerp.integer || cls.timedemo || (sv.active && svs.maxclients == 1))
 322         {
 323                 cl.time = cl.mtime[0];
 324                 return 1;
 325         }
 326
 327         f = (cl.time - cl.mtime[1]) / f;
 328         return bound(0, f, 1);
 329 }
 330
 331 static void CL_RelinkStaticEntities(void)
 332 {
 333         int i;
 334         for (i = 0;i < cl_num_static_entities && r_refdef.numentities < r_refdef.maxentities;i++)
 335         {
 336                 Mod_CheckLoaded(cl_static_entities[i].render.model);
 337                 r_refdef.entities[r_refdef.numentities++] = &cl_static_entities[i].render;
 338         }
 339 }
 340
 341 /*
 342 ===============
 343 CL_RelinkEntities
 344 ===============
 345 */
 346 static void CL_RelinkNetworkEntities()
 347 {
 348         entity_t *ent;
 349         int i, effects, temp;
 350         float f, d, bobjrotate, bobjoffset, dlightradius, lerp;
 351         vec3_t oldorg, neworg, delta, dlightcolor, v, v2, mins, maxs;
 352
 353         bobjrotate = ANGLEMOD(100*cl.time);
 354         if (cl_itembobheight.value)
 355                 bobjoffset = (cos(cl.time * cl_itembobspeed.value * (2.0 * M_PI)) + 1.0) * 0.5 * cl_itembobheight.value;
 356         else
 357                 bobjoffset = 0;
 358
 359         // start on the entity after the world
 360         for (i = 1, ent = cl_entities + 1;i < MAX_EDICTS;i++, ent++)
 361         {
 362                 // if the object wasn't included in the latest packet, remove it
 363                 if (!ent->state_current.active)
 364                         continue;
 365
 366                 VectorCopy(ent->persistent.trail_origin, oldorg);
 367
 368                 if (!ent->state_previous.active)
 369                 {
 370                         // only one state available
 371                         lerp = 1;
 372                         VectorCopy (ent->state_current.origin, oldorg); // skip trails
 373                         VectorCopy (ent->state_current.origin, neworg);
 374                         VectorCopy (ent->state_current.angles, ent->render.angles);
 375                 }
 376                 else
 377                 {
 378                         // if the delta is large, assume a teleport and don't lerp
 379                         VectorSubtract(ent->state_current.origin, ent->state_previous.origin, delta);
 380                         // LordHavoc: increased tolerance from 100 to 200, and now to 1000
 381                         if ((sv.active && svs.maxclients == 1 && !(ent->state_current.flags & RENDER_STEP)) || cls.timedemo || DotProduct(delta, delta) > 1000*1000 || cl_nolerp.integer)
 382                                 lerp = 1;
 383                         else
 384                         {
 385                                 f = ent->state_current.time - ent->state_previous.time;
 386                                 if (f > 0)
 387                                         lerp = (cl.time - ent->state_previous.time) / f;
 388                                 else
 389                                         lerp = 1;
 390                         }
 391                         if (lerp >= 1)
 392                         {
 393                                 // no interpolation
 394                                 VectorCopy (ent->state_current.origin, neworg);
 395                                 VectorCopy (ent->state_current.angles, ent->render.angles);
 396                         }
 397                         else
 398                         {
 399                                 // interpolate the origin and angles
 400                                 VectorMA(ent->state_previous.origin, lerp, delta, neworg);
 401                                 VectorSubtract(ent->state_current.angles, ent->state_previous.angles, delta);
 402                                 if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
 403                                 if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
 404                                 if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
 405                                 VectorMA(ent->state_previous.angles, lerp, delta, ent->render.angles);
 406                         }
 407                 }
 408
 409                 VectorCopy (neworg, ent->persistent.trail_origin);
 410                 // persistent.modelindex will be updated by CL_LerpUpdate
 411                 if (ent->state_current.modelindex != ent->persistent.modelindex)
 412                         VectorCopy(neworg, oldorg);
 413
 414                 VectorCopy (neworg, ent->render.origin);
 415                 ent->render.flags = ent->state_current.flags;
 416                 ent->render.effects = effects = ent->state_current.effects;
 417                 if (cl.scores == NULL || !ent->state_current.colormap)
 418                         ent->render.colormap = -1; // no special coloring
 419                 else
 420                         ent->render.colormap = cl.scores[ent->state_current.colormap - 1].colors; // color it
 421                 ent->render.skinnum = ent->state_current.skin;
 422                 ent->render.alpha = ent->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 423                 ent->render.scale = ent->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 424
 425                 // update interpolation info
 426                 CL_LerpUpdate(ent);
 427
 428                 // handle effects now...
 429                 dlightradius = 0;
 430                 dlightcolor[0] = 0;
 431                 dlightcolor[1] = 0;
 432                 dlightcolor[2] = 0;
 433
 434                 // LordHavoc: if the entity has no effects, don't check each
 435                 if (effects)
 436                 {
 437                         if (effects & EF_BRIGHTFIELD)
 438                                 CL_EntityParticles (ent);
 439                         if (effects & EF_MUZZLEFLASH)
 440                                 ent->persistent.muzzleflash = 100.0f;
 441                         if (effects & EF_DIMLIGHT)
 442                         {
 443                                 dlightcolor[0] += 200.0f;
 444                                 dlightcolor[1] += 200.0f;
 445                                 dlightcolor[2] += 200.0f;
 446                         }
 447                         if (effects & EF_BRIGHTLIGHT)
 448                         {
 449                                 dlightcolor[0] += 400.0f;
 450                                 dlightcolor[1] += 400.0f;
 451                                 dlightcolor[2] += 400.0f;
 452                         }
 453                         // LordHavoc: added EF_RED and EF_BLUE
 454                         if (effects & EF_RED) // red
 455                         {
 456                                 dlightcolor[0] += 200.0f;
 457                                 dlightcolor[1] +=  20.0f;
 458                                 dlightcolor[2] +=  20.0f;
 459                         }
 460                         if (effects & EF_BLUE) // blue
 461                         {
 462                                 dlightcolor[0] +=  20.0f;
 463                                 dlightcolor[1] +=  20.0f;
 464                                 dlightcolor[2] += 200.0f;
 465                         }
 466                         if (effects & EF_FLAME)
 467                         {
 468                                 if (ent->render.model)
 469                                 {
 470                                         mins[0] = neworg[0] - 16.0f;
 471                                         mins[1] = neworg[1] - 16.0f;
 472                                         mins[2] = neworg[2] - 16.0f;
 473                                         maxs[0] = neworg[0] + 16.0f;
 474                                         maxs[1] = neworg[1] + 16.0f;
 475                                         maxs[2] = neworg[2] + 16.0f;
 476                                         // how many flames to make
 477                                         temp = (int) (cl.time * 300) - (int) (cl.oldtime * 300);
 478                                         CL_FlameCube(mins, maxs, temp);
 479                                 }
 480                                 d = lhrandom(200, 250);
 481                                 dlightcolor[0] += d * 1.0f;
 482                                 dlightcolor[1] += d * 0.7f;
 483                                 dlightcolor[2] += d * 0.3f;
 484                         }
 485                         if (effects & EF_STARDUST)
 486                         {
 487                                 if (ent->render.model)
 488                                 {
 489                                         mins[0] = neworg[0] - 16.0f;
 490                                         mins[1] = neworg[1] - 16.0f;
 491                                         mins[2] = neworg[2] - 16.0f;
 492                                         maxs[0] = neworg[0] + 16.0f;
 493                                         maxs[1] = neworg[1] + 16.0f;
 494                                         maxs[2] = neworg[2] + 16.0f;
 495                                         // how many particles to make
 496                                         temp = (int) (cl.time * 200) - (int) (cl.oldtime * 200);
 497                                         CL_Stardust(mins, maxs, temp);
 498                                 }
 499                                 d = 100;
 500                                 dlightcolor[0] += d * 1.0f;
 501                                 dlightcolor[1] += d * 0.7f;
 502                                 dlightcolor[2] += d * 0.3f;
 503                         }
 504                 }
 505
 506                 if (ent->persistent.muzzleflash > 0)
 507                 {
 508                         AngleVectors (ent->render.angles, v, NULL, NULL);
 509
 510                         v2[0] = v[0] * 18 + neworg[0];
 511                         v2[1] = v[1] * 18 + neworg[1];
 512                         v2[2] = v[2] * 18 + neworg[2] + 16;
 513                         CL_TraceLine(neworg, v2, v, NULL, 0, true);
 514
 515                         CL_AllocDlight (NULL, v, ent->persistent.muzzleflash, 1, 1, 1, 0, 0);
 516                         ent->persistent.muzzleflash -= cl.frametime * 1000;
 517                 }
 518
 519                 // LordHavoc: if the model has no flags, don't check each
 520                 if (ent->render.model && ent->render.model->flags)
 521                 {
 522                         if (ent->render.model->flags & EF_ROTATE)
 523                         {
 524                                 ent->render.angles[1] = bobjrotate;
 525                                 ent->render.origin[2] += bobjoffset;
 526                         }
 527                         // only do trails if present in the previous frame as well
 528                         if (ent->state_previous.active)
 529                         {
 530                                 if (ent->render.model->flags & EF_GIB)
 531                                         CL_RocketTrail (oldorg, neworg, 2, ent);
 532                                 else if (ent->render.model->flags & EF_ZOMGIB)
 533                                         CL_RocketTrail (oldorg, neworg, 4, ent);
 534                                 else if (ent->render.model->flags & EF_TRACER)
 535                                 {
 536                                         CL_RocketTrail (oldorg, neworg, 3, ent);
 537                                         dlightcolor[0] += 0x10;
 538                                         dlightcolor[1] += 0x40;
 539                                         dlightcolor[2] += 0x10;
 540                                 }
 541                                 else if (ent->render.model->flags & EF_TRACER2)
 542                                 {
 543                                         CL_RocketTrail (oldorg, neworg, 5, ent);
 544                                         dlightcolor[0] += 0x50;
 545                                         dlightcolor[1] += 0x30;
 546                                         dlightcolor[2] += 0x10;
 547                                 }
 548                                 else if (ent->render.model->flags & EF_ROCKET)
 549                                 {
 550                                         CL_RocketTrail (oldorg, ent->render.origin, 0, ent);
 551                                         dlightcolor[0] += 200.0f;
 552                                         dlightcolor[1] += 160.0f;
 553                                         dlightcolor[2] +=  80.0f;
 554                                 }
 555                                 else if (ent->render.model->flags & EF_GRENADE)
 556                                 {
 557                                         if (ent->render.alpha == -1) // LordHavoc: Nehahra dem compatibility (cigar smoke)
 558                                                 CL_RocketTrail (oldorg, neworg, 7, ent);
 559                                         else
 560                                                 CL_RocketTrail (oldorg, neworg, 1, ent);
 561                                 }
 562                                 else if (ent->render.model->flags & EF_TRACER3)
 563                                 {
 564                                         CL_RocketTrail (oldorg, neworg, 6, ent);
 565                                         dlightcolor[0] += 0x50;
 566                                         dlightcolor[1] += 0x20;
 567                                         dlightcolor[2] += 0x40;
 568                                 }
 569                         }
 570                 }
 571                 // LordHavoc: customizable glow
 572                 if (ent->state_current.glowsize)
 573                 {
 574                         // * 4 for the expansion from 0-255 to 0-1023 range,
 575                         // / 255 to scale down byte colors
 576                         VectorMA(dlightcolor, ent->state_current.glowsize * (4.0f / 255.0f), (qbyte *)&d_8to24table[ent->state_current.glowcolor], dlightcolor);
 577                 }
 578                 // LordHavoc: customizable trail
 579                 if (ent->render.flags & RENDER_GLOWTRAIL)
 580                         CL_RocketTrail2 (oldorg, neworg, ent->state_current.glowcolor, ent);
 581
 582                 if (dlightcolor[0] || dlightcolor[1] || dlightcolor[2])
 583                 {
 584                         VectorCopy(neworg, v);
 585                         // hack to make glowing player light shine on their gun
 586                         if (i == cl.viewentity && !chase_active.integer)
 587                                 v[2] += 30;
 588                         CL_AllocDlight (NULL, v, 1, dlightcolor[0], dlightcolor[1], dlightcolor[2], 0, 0);
 589                 }
 590
 591                 if (chase_active.integer)
 592                 {
 593                         if (ent->render.flags & RENDER_VIEWMODEL)
 594                                 continue;
 595                 }
 596                 else
 597                 {
 598                         if (i == cl.viewentity || (ent->render.flags & RENDER_EXTERIORMODEL))
 599                                 continue;
 600                 }
 601
 602                 if (ent->render.model == NULL)
 603                         continue;
 604                 if (effects & EF_NODRAW)
 605                         continue;
 606
 607                 if (ent->render.angles[0] || ent->render.angles[2])
 608                 {
 609                         // pitch or roll
 610                         VectorAdd(ent->render.origin, ent->render.model->rotatedmins, ent->render.mins);
 611                         VectorAdd(ent->render.origin, ent->render.model->rotatedmaxs, ent->render.maxs);
 612                 }
 613                 else if (ent->render.angles[1])
 614                 {
 615                         // yaw
 616                         VectorAdd(ent->render.origin, ent->render.model->yawmins, ent->render.mins);
 617                         VectorAdd(ent->render.origin, ent->render.model->yawmaxs, ent->render.maxs);
 618                 }
 619                 else
 620                 {
 621                         VectorAdd(ent->render.origin, ent->render.model->normalmins, ent->render.mins);
 622                         VectorAdd(ent->render.origin, ent->render.model->normalmaxs, ent->render.maxs);
 623                 }
 624
 625                 if (r_refdef.numentities < r_refdef.maxentities)
 626                         r_refdef.entities[r_refdef.numentities++] = &ent->render;
 627
 628                 if (ent->render.model->name[0] == '*' && ent->render.model->type == mod_brush)
 629                         cl_brushmodel_entities[cl_num_brushmodel_entities++] = &ent->render;
 630
 631                 if (cl_num_entities < i + 1)
 632                         cl_num_entities = i + 1;
 633         }
 634 }
 635
 636 void CL_LerpPlayer(float frac)
 637 {
 638         int i;
 639         float d;
 640
 641         if (cl.entitydatabase.numframes && cl.viewentity == cl.playerentity)
 642         {
 643                 cl.viewentorigin[0] = cl.viewentoriginold[0] + frac * (cl.viewentoriginnew[0] - cl.viewentoriginold[0]);
 644                 cl.viewentorigin[1] = cl.viewentoriginold[1] + frac * (cl.viewentoriginnew[1] - cl.viewentoriginold[1]);
 645                 cl.viewentorigin[2] = cl.viewentoriginold[2] + frac * (cl.viewentoriginnew[2] - cl.viewentoriginold[2]);
 646         }
 647         else
 648                 VectorCopy (cl_entities[cl.viewentity].render.origin, cl.viewentorigin);
 649
 650         cl.viewzoom = cl.viewzoomold + frac * (cl.viewzoomnew - cl.viewzoomold);
 651
 652         for (i = 0;i < 3;i++)
 653                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
 654
 655         if (cls.demoplayback)
 656         {
 657                 // interpolate the angles
 658                 for (i = 0;i < 3;i++)
 659                 {
 660                         d = cl.mviewangles[0][i] - cl.mviewangles[1][i];
 661                         if (d > 180)
 662                                 d -= 360;
 663                         else if (d < -180)
 664                                 d += 360;
 665                         cl.viewangles[i] = cl.mviewangles[1][i] + frac * d;
 666                 }
 667         }
 668 }
 669
 670 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate)
 671 {
 672         int i;
 673         cl_effect_t *e;
 674         if (!modelindex) // sanity check
 675                 return;
 676         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
 677         {
 678                 if (e->active)
 679                         continue;
 680                 e->active = true;
 681                 VectorCopy(org, e->origin);
 682                 e->modelindex = modelindex;
 683                 e->starttime = cl.time;
 684                 e->startframe = startframe;
 685                 e->endframe = startframe + framecount;
 686                 e->framerate = framerate;
 687
 688                 e->frame = 0;
 689                 e->frame1time = cl.time;
 690                 e->frame2time = cl.time;
 691                 break;
 692         }
 693 }
 694
 695 static void CL_RelinkEffects()
 696 {
 697         int i, intframe;
 698         cl_effect_t *e;
 699         entity_t *ent;
 700         float frame;
 701
 702         for (i = 0, e = cl_effects;i < cl_max_effects;i++, e++)
 703         {
 704                 if (e->active)
 705                 {
 706                         frame = (cl.time - e->starttime) * e->framerate + e->startframe;
 707                         intframe = frame;
 708                         if (intframe < 0 || intframe >= e->endframe)
 709                         {
 710                                 e->active = false;
 711                                 memset(e, 0, sizeof(*e));
 712                                 continue;
 713                         }
 714
 715                         if (intframe != e->frame)
 716                         {
 717                                 e->frame = intframe;
 718                                 e->frame1time = e->frame2time;
 719                                 e->frame2time = cl.time;
 720                         }
 721
 722                         // if we're drawing effects, get a new temp entity
 723                         // (NewTempEntity adds it to the render entities list for us)
 724                         if (r_draweffects.integer && (ent = CL_NewTempEntity()))
 725                         {
 726                                 // interpolation stuff
 727                                 ent->render.frame1 = intframe;
 728                                 ent->render.frame2 = intframe + 1;
 729                                 if (ent->render.frame2 >= e->endframe)
 730                                         ent->render.frame2 = -1; // disappear
 731                                 ent->render.framelerp = frame - intframe;
 732                                 ent->render.frame1time = e->frame1time;
 733                                 ent->render.frame2time = e->frame2time;
 734
 735                                 // normal stuff
 736                                 VectorCopy(e->origin, ent->render.origin);
 737                                 ent->render.model = cl.model_precache[e->modelindex];
 738                                 ent->render.frame = ent->render.frame2;
 739                                 ent->render.colormap = -1; // no special coloring
 740                                 ent->render.scale = 1;
 741                                 ent->render.alpha = 1;
 742
 743                                 if (ent->render.angles[0] || ent->render.angles[2])
 744                                 {
 745                                         // pitch or roll
 746                                         VectorAdd(ent->render.origin, ent->render.model->rotatedmins, ent->render.mins);
 747                                         VectorAdd(ent->render.origin, ent->render.model->rotatedmaxs, ent->render.maxs);
 748                                 }
 749                                 else if (ent->render.angles[1])
 750                                 {
 751                                         // yaw
 752                                         VectorAdd(ent->render.origin, ent->render.model->yawmins, ent->render.mins);
 753                                         VectorAdd(ent->render.origin, ent->render.model->yawmaxs, ent->render.maxs);
 754                                 }
 755                                 else
 756                                 {
 757                                         VectorAdd(ent->render.origin, ent->render.model->normalmins, ent->render.mins);
 758                                         VectorAdd(ent->render.origin, ent->render.model->normalmaxs, ent->render.maxs);
 759                                 }
 760                         }
 761                 }
 762         }
 763 }
 764
 765 void CL_RelinkWorld (void)
 766 {
 767         if (cl_num_entities < 1)
 768                 cl_num_entities = 1;
 769         cl_brushmodel_entities[cl_num_brushmodel_entities++] = &cl_entities[0].render;
 770 }
 771
 772 void CL_RelinkEntities (void)
 773 {
 774         float frac;
 775
 776         // fraction from previous network update to current
 777         frac = CL_LerpPoint();
 778
 779         CL_ClearTempEntities();
 780         CL_DecayLights();
 781         CL_RelinkWorld();
 782         CL_RelinkBeams();
 783         CL_RelinkStaticEntities();
 784         CL_RelinkNetworkEntities();
 785         CL_RelinkEffects();
 786         CL_MoveParticles();
 787
 788         CL_LerpPlayer(frac);
 789 }
 790
 791
 792 /*
 793 ===============
 794 CL_ReadFromServer
 795
 796 Read all incoming data from the server
 797 ===============
 798 */
 799 int CL_ReadFromServer (void)
 800 {
 801         int ret, netshown;
 802
 803         cl.oldtime = cl.time;
 804         cl.time += cl.frametime;
 805
 806         netshown = false;
 807         do
 808         {
 809                 ret = CL_GetMessage ();
 810                 if (ret == -1)
 811                         Host_Error ("CL_ReadFromServer: lost server connection");
 812                 if (!ret)
 813                         break;
 814
 815                 cl.last_received_message = realtime;
 816
 817                 if (cl_shownet.integer)
 818                         netshown = true;
 819
 820                 CL_ParseServerMessage ();
 821         }
 822         while (ret && cls.state == ca_connected);
 823
 824         if (netshown)
 825                 Con_Printf ("\n");
 826
 827         r_refdef.numentities = 0;
 828         cl_num_entities = 0;
 829         cl_num_brushmodel_entities = 0;
 830
 831         if (cls.state == ca_connected && cl.worldmodel)
 832         {
 833                 CL_RelinkEntities ();
 834
 835                 // run cgame code (which can add more entities)
 836                 CL_CGVM_Frame();
 837         }
 838
 839 //
 840 // bring the links up to date
 841 //
 842         return 0;
 843 }
 844
 845 /*
 846 =================
 847 CL_SendCmd
 848 =================
 849 */
 850 void CL_SendCmd (void)
 851 {
 852         usercmd_t               cmd;
 853
 854         if (cls.state != ca_connected)
 855                 return;
 856
 857         if (cls.signon == SIGNONS)
 858         {
 859         // get basic movement from keyboard
 860                 CL_BaseMove (&cmd);
 861
 862                 IN_PreMove(); // OS independent code
 863
 864         // allow mice or other external controllers to add to the move
 865                 IN_Move (&cmd);
 866
 867                 IN_PostMove(); // OS independent code
 868
 869         // send the unreliable message
 870                 CL_SendMove (&cmd);
 871         }
 872 #ifndef NOROUTINGFIX
 873         else
 874         {
 875                 // LordHavoc: fix for NAT routing of netquake:
 876                 // bounce back a clc_nop message to the newly allocated server port,
 877                 // to establish a routing connection for incoming frames,
 878                 // the server waits for this before sending anything
 879                 if (realtime > cl.sendnoptime)
 880                 {
 881                         Con_DPrintf("sending clc_nop to get server's attention\n");
 882                         cl.sendnoptime = realtime + 3;
 883                         MSG_WriteByte(&cls.message, clc_nop);
 884                 }
 885         }
 886 #endif
 887
 888         if (cls.demoplayback)
 889         {
 890                 SZ_Clear (&cls.message);
 891                 return;
 892         }
 893
 894 // send the reliable message
 895         if (!cls.message.cursize)
 896                 return;         // no message at all
 897
 898         if (!NET_CanSendMessage (cls.netcon))
 899         {
 900                 Con_DPrintf ("CL_WriteToServer: can't send\n");
 901                 return;
 902         }
 903
 904         if (NET_SendMessage (cls.netcon, &cls.message) == -1)
 905                 Host_Error ("CL_WriteToServer: lost server connection");
 906
 907         SZ_Clear (&cls.message);
 908 }
 909
 910 // LordHavoc: pausedemo command
 911 static void CL_PauseDemo_f (void)
 912 {
 913         cls.demopaused = !cls.demopaused;
 914         if (cls.demopaused)
 915                 Con_Printf("Demo paused\n");
 916         else
 917                 Con_Printf("Demo unpaused\n");
 918 }
 919
 920 /*
 921 ======================
 922 CL_PModel_f
 923 LordHavoc: Intended for Nehahra, I personally think this is dumb, but Mindcrime won't listen.
 924 ======================
 925 */
 926 static void CL_PModel_f (void)
 927 {
 928         int i;
 929         eval_t *val;
 930
 931         if (Cmd_Argc () == 1)
 932         {
 933                 Con_Printf ("\"pmodel\" is \"%s\"\n", cl_pmodel.string);
 934                 return;
 935         }
 936         i = atoi(Cmd_Argv(1));
 937
 938         if (cmd_source == src_command)
 939         {
 940                 if (cl_pmodel.integer == i)
 941                         return;
 942                 Cvar_SetValue ("_cl_pmodel", i);
 943                 if (cls.state == ca_connected)
 944                         Cmd_ForwardToServer ();
 945                 return;
 946         }
 947
 948         host_client->pmodel = i;
 949         if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_pmodel)))
 950                 val->_float = i;
 951 }
 952
 953 /*
 954 ======================
 955 CL_Fog_f
 956 ======================
 957 */
 958 static void CL_Fog_f (void)
 959 {
 960         if (Cmd_Argc () == 1)
 961         {
 962                 Con_Printf ("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
 963                 return;
 964         }
 965         fog_density = atof(Cmd_Argv(1));
 966         fog_red = atof(Cmd_Argv(2));
 967         fog_green = atof(Cmd_Argv(3));
 968         fog_blue = atof(Cmd_Argv(4));
 969 }
 970
 971 /*
 972 =================
 973 CL_Init
 974 =================
 975 */
 976 void CL_Init (void)
 977 {
 978         cl_scores_mempool = Mem_AllocPool("client player info");
 979         cl_entities_mempool = Mem_AllocPool("client entities");
 980         cl_refdef_mempool = Mem_AllocPool("refdef");
 981
 982         memset(&r_refdef, 0, sizeof(r_refdef));
 983         // max entities sent to renderer per frame
 984         r_refdef.maxentities = MAX_EDICTS + 256 + 512;
 985         r_refdef.entities = Mem_Alloc(cl_refdef_mempool, sizeof(entity_render_t *) * r_refdef.maxentities);
 986         // 256k drawqueue buffer
 987         r_refdef.maxdrawqueuesize = 256 * 1024;
 988         r_refdef.drawqueue = Mem_Alloc(cl_refdef_mempool, r_refdef.maxdrawqueuesize);
 989
 990         SZ_Alloc (&cls.message, 1024, "cls.message");
 991
 992         CL_InitInput ();
 993         CL_InitTEnts ();
 994
 995 //
 996 // register our commands
 997 //
 998         Cvar_RegisterVariable (&cl_name);
 999         Cvar_RegisterVariable (&cl_color);
1000         if (gamemode == GAME_NEHAHRA)
1001                 Cvar_RegisterVariable (&cl_pmodel);
1002         Cvar_RegisterVariable (&cl_upspeed);
1003         Cvar_RegisterVariable (&cl_forwardspeed);
1004         Cvar_RegisterVariable (&cl_backspeed);
1005         Cvar_RegisterVariable (&cl_sidespeed);
1006         Cvar_RegisterVariable (&cl_movespeedkey);
1007         Cvar_RegisterVariable (&cl_yawspeed);
1008         Cvar_RegisterVariable (&cl_pitchspeed);
1009         Cvar_RegisterVariable (&cl_anglespeedkey);
1010         Cvar_RegisterVariable (&cl_shownet);
1011         Cvar_RegisterVariable (&cl_nolerp);
1012         Cvar_RegisterVariable (&lookspring);
1013         Cvar_RegisterVariable (&lookstrafe);
1014         Cvar_RegisterVariable (&sensitivity);
1015         Cvar_RegisterVariable (&freelook);
1016
1017         Cvar_RegisterVariable (&m_pitch);
1018         Cvar_RegisterVariable (&m_yaw);
1019         Cvar_RegisterVariable (&m_forward);
1020         Cvar_RegisterVariable (&m_side);
1021
1022         Cvar_RegisterVariable (&cl_itembobspeed);
1023         Cvar_RegisterVariable (&cl_itembobheight);
1024
1025         Cmd_AddCommand ("entities", CL_PrintEntities_f);
1026         Cmd_AddCommand ("bitprofile", CL_BitProfile_f);
1027         Cmd_AddCommand ("disconnect", CL_Disconnect_f);
1028         Cmd_AddCommand ("record", CL_Record_f);
1029         Cmd_AddCommand ("stop", CL_Stop_f);
1030         Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
1031         Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
1032
1033         Cmd_AddCommand ("fog", CL_Fog_f);
1034
1035         // LordHavoc: added pausedemo
1036         Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
1037         if (gamemode == GAME_NEHAHRA)
1038                 Cmd_AddCommand ("pmodel", CL_PModel_f);
1039
1040         Cvar_RegisterVariable(&r_draweffects);
1041         Cvar_RegisterVariable(&cl_explosions);
1042         Cvar_RegisterVariable(&cl_stainmaps);
1043
1044         CL_Parse_Init();
1045         CL_Particles_Init();
1046         CL_Screen_Init();
1047         CL_CGVM_Init();
1048
1049         CL_Video_Init();
1050 }
1051