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
  24 // we need to declare some mouse variables here, because the menu system
  25 // references them even when on a unix system.
  26
  27 // these two are not intended to be set directly
  28 cvar_t cl_name = {CVAR_SAVE, "_cl_name", "player"};
  29 cvar_t cl_color = {CVAR_SAVE, "_cl_color", "0"};
  30 cvar_t cl_pmodel = {CVAR_SAVE, "_cl_pmodel", "0"};
  31
  32 cvar_t cl_shownet = {0, "cl_shownet","0"};
  33 cvar_t cl_nolerp = {0, "cl_nolerp", "0"};
  34
  35 cvar_t cl_itembobheight = {0, "cl_itembobheight", "8"};
  36 cvar_t cl_itembobspeed = {0, "cl_itembobspeed", "0.5"};
  37
  38 cvar_t lookspring = {CVAR_SAVE, "lookspring","0"};
  39 cvar_t lookstrafe = {CVAR_SAVE, "lookstrafe","0"};
  40 cvar_t sensitivity = {CVAR_SAVE, "sensitivity","3", 1, 30};
  41
  42 cvar_t m_pitch = {CVAR_SAVE, "m_pitch","0.022"};
  43 cvar_t m_yaw = {CVAR_SAVE, "m_yaw","0.022"};
  44 cvar_t m_forward = {CVAR_SAVE, "m_forward","1"};
  45 cvar_t m_side = {CVAR_SAVE, "m_side","0.8"};
  46
  47 cvar_t freelook = {CVAR_SAVE, "freelook", "1"};
  48
  49 cvar_t cl_draweffects = {0, "cl_draweffects", "1"};
  50
  51 mempool_t *cl_scores_mempool;
  52 mempool_t *cl_refdef_mempool;
  53
  54 client_static_t cls;
  55 client_state_t  cl;
  56 // FIXME: put these on hunk?
  57 entity_t                cl_entities[MAX_EDICTS];
  58 entity_t                cl_static_entities[MAX_STATIC_ENTITIES];
  59 lightstyle_t    cl_lightstyle[MAX_LIGHTSTYLES];
  60
  61 typedef struct effect_s
  62 {
  63         int active;
  64         vec3_t origin;
  65         float starttime;
  66         float framerate;
  67         int modelindex;
  68         int startframe;
  69         int endframe;
  70         // these are for interpolation
  71         int frame;
  72         double frame1time;
  73         double frame2time;
  74 }
  75 cl_effect_t;
  76
  77 #define MAX_EFFECTS 256
  78
  79 static cl_effect_t cl_effect[MAX_EFFECTS];
  80
  81
  82 /*
  83 =====================
  84 CL_ClearState
  85
  86 =====================
  87 */
  88 void CL_ClearState (void)
  89 {
  90         int                     i;
  91
  92         if (!sv.active)
  93                 Host_ClearMemory ();
  94
  95         Mem_EmptyPool(cl_scores_mempool);
  96
  97 // wipe the entire cl structure
  98         memset (&cl, 0, sizeof(cl));
  99
 100         SZ_Clear (&cls.message);
 101
 102 // clear other arrays
 103         memset(cl_entities, 0, sizeof(cl_entities));
 104         memset(cl_lightstyle, 0, sizeof(cl_lightstyle));
 105         memset(cl_temp_entities, 0, sizeof(cl_temp_entities));
 106         memset(cl_beams, 0, sizeof(cl_beams));
 107         memset(cl_dlights, 0, sizeof(cl_dlights));
 108         memset(cl_effect, 0, sizeof(cl_effect));
 109         CL_Particles_Clear();
 110         CL_Decals_Clear();
 111         // LordHavoc: have to set up the baseline info for alpha and other stuff
 112         for (i = 0;i < MAX_EDICTS;i++)
 113         {
 114                 ClearStateToDefault(&cl_entities[i].state_baseline);
 115                 ClearStateToDefault(&cl_entities[i].state_previous);
 116                 ClearStateToDefault(&cl_entities[i].state_current);
 117         }
 118 }
 119
 120 void CL_LerpUpdate(entity_t *e, int frame, int modelindex)
 121 {
 122         entity_persistent_t *p;
 123         entity_render_t *r;
 124         p = &e->persistent;
 125         r = &e->render;
 126
 127         if (p->modelindex != modelindex)
 128         {
 129                 // reset all interpolation information
 130                 p->modelindex = modelindex;
 131                 p->frame1 = p->frame2 = frame;
 132                 p->frame1time = p->frame2time = cl.time;
 133                 p->framelerp = 1;
 134         }
 135         else if (p->frame2 != frame)
 136         {
 137                 // transition to new frame
 138                 p->frame1 = p->frame2;
 139                 p->frame1time = p->frame2time;
 140                 p->frame2 = frame;
 141                 p->frame2time = cl.time;
 142                 p->framelerp = 0;
 143         }
 144         else
 145         {
 146                 // update transition
 147                 p->framelerp = (cl.time - p->frame2time) * 10;
 148                 p->framelerp = bound(0, p->framelerp, 1);
 149         }
 150
 151         r->frame1 = p->frame1;
 152         r->frame2 = p->frame2;
 153         r->framelerp = p->framelerp;
 154         r->frame1time = p->frame1time;
 155         r->frame2time = p->frame2time;
 156 }
 157
 158 /*
 159 =====================
 160 CL_Disconnect
 161
 162 Sends a disconnect message to the server
 163 This is also called on Host_Error, so it shouldn't cause any errors
 164 =====================
 165 */
 166 void CL_Disconnect (void)
 167 {
 168 // stop sounds (especially looping!)
 169         S_StopAllSounds (true);
 170
 171         // clear contents blends
 172         cl.cshifts[0].percent = 0;
 173         cl.cshifts[1].percent = 0;
 174         cl.cshifts[2].percent = 0;
 175         cl.cshifts[3].percent = 0;
 176
 177         cl.worldmodel = NULL;
 178
 179         if (cls.demoplayback)
 180                 CL_StopPlayback ();
 181         else if (cls.state == ca_connected)
 182         {
 183                 if (cls.demorecording)
 184                         CL_Stop_f ();
 185
 186                 Con_DPrintf ("Sending clc_disconnect\n");
 187                 SZ_Clear (&cls.message);
 188                 MSG_WriteByte (&cls.message, clc_disconnect);
 189                 NET_SendUnreliableMessage (cls.netcon, &cls.message);
 190                 SZ_Clear (&cls.message);
 191                 NET_Close (cls.netcon);
 192                 // if running a local server, shut it down
 193                 if (sv.active)
 194                         Host_ShutdownServer(false);
 195         }
 196         cls.state = ca_disconnected;
 197
 198         cls.demoplayback = cls.timedemo = false;
 199         cls.signon = 0;
 200 }
 201
 202 void CL_Disconnect_f (void)
 203 {
 204         CL_Disconnect ();
 205         if (sv.active)
 206                 Host_ShutdownServer (false);
 207 }
 208
 209
 210
 211
 212 /*
 213 =====================
 214 CL_EstablishConnection
 215
 216 Host should be either "local" or a net address to be passed on
 217 =====================
 218 */
 219 void CL_EstablishConnection (char *host)
 220 {
 221         if (cls.state == ca_dedicated)
 222                 return;
 223
 224         if (cls.demoplayback)
 225                 return;
 226
 227         CL_Disconnect ();
 228
 229         cls.netcon = NET_Connect (host);
 230         if (!cls.netcon)
 231                 Host_Error ("CL_Connect: connect failed\n");
 232         Con_DPrintf ("CL_EstablishConnection: connected to %s\n", host);
 233
 234         cls.demonum = -1;                       // not in the demo loop now
 235         cls.state = ca_connected;
 236         cls.signon = 0;                         // need all the signon messages before playing
 237 }
 238
 239 /*
 240 ==============
 241 CL_PrintEntities_f
 242 ==============
 243 */
 244 static void CL_PrintEntities_f (void)
 245 {
 246         entity_t        *ent;
 247         int                     i, j;
 248         char            name[32];
 249
 250         for (i = 0, ent = cl_entities;i < MAX_EDICTS /*cl.num_entities*/;i++, ent++)
 251         {
 252                 if (!ent->state_current.active)
 253                         continue;
 254                 if (!ent->render.model)
 255                         continue;
 256
 257                 Con_Printf ("%3i:", i);
 258                 if (!ent->render.model)
 259                 {
 260                         Con_Printf ("EMPTY\n");
 261                         continue;
 262                 }
 263                 strncpy(name, ent->render.model->name, 30);
 264                 name[30] = 0;
 265                 for (j = strlen(name);j < 30;j++)
 266                         name[j] = ' ';
 267                 Con_Printf ("%s:%04i (%5i %5i %5i) [%3i %3i %3i]\n", 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);
 268         }
 269 }
 270
 271
 272 /*
 273 ===============
 274 CL_LerpPoint
 275
 276 Determines the fraction between the last two messages that the objects
 277 should be put at.
 278 ===============
 279 */
 280 static float CL_LerpPoint (void)
 281 {
 282         float   f, frac;
 283
 284         f = cl.mtime[0] - cl.mtime[1];
 285
 286         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 287         if (!f || cl_nolerp.integer || cls.timedemo || (sv.active && svs.maxclients == 1))
 288         {
 289                 cl.time = cl.mtime[0];
 290                 return 1;
 291         }
 292
 293         if (f > 0.1)
 294         {       // dropped packet, or start of demo
 295                 cl.mtime[1] = cl.mtime[0] - 0.1;
 296                 f = 0.1;
 297         }
 298         frac = (cl.time - cl.mtime[1]) / f;
 299 //      Con_Printf ("frac: %f\n",frac);
 300         if (frac < 0)
 301         {
 302                 if (frac < -0.01)
 303                 {
 304                         cl.time = cl.mtime[1];
 305 //                      Con_Printf ("low frac\n");
 306                 }
 307                 frac = 0;
 308         }
 309         else if (frac > 1)
 310         {
 311                 if (frac > 1.01)
 312                 {
 313                         cl.time = cl.mtime[0];
 314 //                      Con_Printf ("high frac\n");
 315                 }
 316                 frac = 1;
 317         }
 318
 319         return frac;
 320 }
 321
 322 static void CL_RelinkStaticEntities(void)
 323 {
 324         int i;
 325         for (i = 0;i < cl.num_statics && r_refdef.numentities < MAX_VISEDICTS;i++)
 326         {
 327                 Mod_CheckLoaded(cl_static_entities[i].render.model);
 328                 r_refdef.entities[r_refdef.numentities++] = &cl_static_entities[i].render;
 329         }
 330 }
 331
 332 /*
 333 ===============
 334 CL_RelinkEntities
 335 ===============
 336 */
 337 static void CL_RelinkNetworkEntities()
 338 {
 339         entity_t        *ent;
 340         int                     i, glowcolor, effects;
 341         float           f, d, bobjrotate, bobjoffset, dlightradius, glowsize, lerp;
 342         vec3_t          oldorg, neworg, delta, dlightcolor;
 343
 344         bobjrotate = ANGLEMOD(100*cl.time);
 345         if (cl_itembobheight.value)
 346                 bobjoffset = (cos(cl.time * cl_itembobspeed.value * (2.0 * M_PI)) + 1.0) * 0.5 * cl_itembobheight.value;
 347         else
 348                 bobjoffset = 0;
 349
 350         CL_RelinkStaticEntities();
 351
 352 // start on the entity after the world
 353         for (i = 1, ent = cl_entities + 1;i < MAX_EDICTS /*cl.num_entities*/;i++, ent++)
 354         {
 355                 // if the object wasn't included in the latest packet, remove it
 356                 if (!ent->state_current.active)
 357                         continue;
 358
 359                 VectorCopy(ent->persistent.trail_origin, oldorg);
 360
 361                 if (!ent->state_previous.active)
 362                 {
 363                         // only one state available
 364                         lerp = 1;
 365                         VectorCopy (ent->state_current.origin, oldorg); // skip trails
 366                         VectorCopy (ent->state_current.origin, neworg);
 367                         VectorCopy (ent->state_current.angles, ent->render.angles);
 368
 369                         /*
 370                         // monster interpolation
 371                         ent->persistent.steplerptime = 0;
 372                         VectorCopy(ent->state_current.origin, ent->persistent.stepoldorigin);
 373                         VectorCopy(ent->state_current.angles, ent->persistent.stepoldangles);
 374                         VectorCopy(ent->state_current.origin, ent->persistent.steporigin);
 375                         VectorCopy(ent->state_current.angles, ent->persistent.stepangles);
 376                         */
 377                 }
 378                 /*
 379                 else if ((ent->state_current.flags & ent->state_previous.flags) & ENTFLAG_STEP)
 380                 {
 381                         if (ent->state_current.origin[0] != ent->persistent.steporigin[0]
 382                          || ent->state_current.origin[1] != ent->persistent.steporigin[1]
 383                          || ent->state_current.origin[2] != ent->persistent.steporigin[2]
 384                          || ent->state_current.angles[0] != ent->persistent.stepangles[0]
 385                          || ent->state_current.angles[1] != ent->persistent.stepangles[1]
 386                          || ent->state_current.angles[2] != ent->persistent.stepangles[2])
 387                         {
 388                                 // update lerp positions
 389                                 ent->clientpersistent.steplerptime = sv.time;
 390                                 VectorCopy(ent->steporigin, ent->stepoldorigin);
 391                                 VectorCopy(ent->stepangles, ent->stepoldangles);
 392                                 VectorCopy(ent->v.origin, ent->steporigin);
 393                                 VectorCopy(ent->v.angles, ent->stepangles);
 394                         }
 395                         lerp = (cl.time - ent->persistent.steplerptime) * 10.0;
 396                         if (lerp < 1)
 397                         {
 398                                 // origin
 399                                 VectorSubtract(ent->persistent.steporigin, ent->persistent.stepoldorigin, delta);
 400                                 VectorMA(ent->persistent.stepoldorigin, lerp, delta, neworg);
 401
 402                                 // angles
 403                                 VectorSubtract(ent->persistent.stepangles, ent->persistent.stepoldangles, delta);
 404                                 // choose shortest rotate (to avoid 'spin around' situations)
 405                                 if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
 406                                 if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
 407                                 if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
 408                                 VectorMA(ent->stepoldangles, lerp, delta, ent->render.angles);
 409                         }
 410                         else
 411                         {
 412                                 VectorCopy(ent->persistent.steporigin, neworg);
 413                                 VectorCopy(ent->persistent.stepangles, ent->render.angles);
 414                         }
 415                 }
 416                 */
 417                 else
 418                 {
 419                         /*
 420                         // monster interpolation
 421                         ent->persistent.steplerptime = 0;
 422                         VectorCopy(ent->state_current.origin, ent->persistent.stepoldorigin);
 423                         VectorCopy(ent->state_current.angles, ent->persistent.stepoldangles);
 424                         VectorCopy(ent->state_current.origin, ent->persistent.steporigin);
 425                         VectorCopy(ent->state_current.angles, ent->persistent.stepangles);
 426                         */
 427
 428                         // if the delta is large, assume a teleport and don't lerp
 429                         VectorSubtract(ent->state_current.origin, ent->state_previous.origin, delta);
 430                         // LordHavoc: increased tolerance from 100 to 200
 431                         if ((sv.active && svs.maxclients == 1 && !(ent->state_current.flags & RENDER_STEP)) || cls.timedemo || DotProduct(delta, delta) > 200*200 || cl_nolerp.integer)
 432                                 lerp = 1;
 433                         else
 434                         {
 435                                 f = ent->state_current.time - ent->state_previous.time;
 436                                 if (f > 0)
 437                                         lerp = (cl.time - ent->state_previous.time) / f;
 438                                 else
 439                                         lerp = 1;
 440                         }
 441                         if (lerp >= 1)
 442                         {
 443                                 // no interpolation
 444                                 VectorCopy (ent->state_current.origin, neworg);
 445                                 VectorCopy (ent->state_current.angles, ent->render.angles);
 446                         }
 447                         else
 448                         {
 449                                 // interpolate the origin and angles
 450                                 VectorMA(ent->state_previous.origin, lerp, delta, neworg);
 451                                 VectorSubtract(ent->state_current.angles, ent->state_previous.angles, delta);
 452                                 if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
 453                                 if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
 454                                 if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
 455                                 VectorMA(ent->state_previous.angles, lerp, delta, ent->render.angles);
 456                         }
 457                 }
 458
 459                 VectorCopy (neworg, ent->persistent.trail_origin);
 460                 // persistent.modelindex will be updated by CL_LerpUpdate
 461                 if (ent->state_current.modelindex != ent->persistent.modelindex || !ent->state_previous.active)
 462                         VectorCopy(neworg, oldorg);
 463
 464                 VectorCopy (neworg, ent->render.origin);
 465                 ent->render.flags = ent->state_current.flags;
 466                 ent->render.effects = effects = ent->state_current.effects;
 467                 ent->render.model = cl.model_precache[ent->state_current.modelindex];
 468                 Mod_CheckLoaded(ent->render.model);
 469                 ent->render.frame = ent->state_current.frame;
 470                 if (cl.scores == NULL || !ent->state_current.colormap)
 471                         ent->render.colormap = -1; // no special coloring
 472                 else
 473                         ent->render.colormap = cl.scores[ent->state_current.colormap - 1].colors; // color it
 474                 ent->render.skinnum = ent->state_current.skin;
 475                 ent->render.alpha = ent->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 476                 ent->render.scale = ent->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 477                 glowsize = ent->state_current.glowsize * 4.0f; // FIXME: interpolate?
 478                 glowcolor = ent->state_current.glowcolor;
 479
 480                 // update interpolation info
 481                 CL_LerpUpdate(ent, ent->state_current.frame, ent->state_current.modelindex);
 482
 483                 // handle effects now...
 484                 dlightradius = 0;
 485                 dlightcolor[0] = 0;
 486                 dlightcolor[1] = 0;
 487                 dlightcolor[2] = 0;
 488
 489                 // LordHavoc: if the entity has no effects, don't check each
 490                 if (effects)
 491                 {
 492                         if (effects & EF_BRIGHTFIELD)
 493                                 CL_EntityParticles (ent);
 494                         if (effects & EF_MUZZLEFLASH)
 495                         {
 496                                 vec3_t v, v2;
 497
 498                                 AngleVectors (ent->render.angles, v, NULL, NULL);
 499
 500                                 v2[0] = v[0] * 18 + neworg[0];
 501                                 v2[1] = v[1] * 18 + neworg[1];
 502                                 v2[2] = v[2] * 18 + neworg[2] + 16;
 503                                 TraceLine(neworg, v2, v, NULL, 0);
 504
 505                                 CL_AllocDlight (NULL, v, 100, 1, 1, 1, 0, 0.1);
 506                         }
 507                         if (effects & EF_DIMLIGHT)
 508                         {
 509                                 dlightcolor[0] += 200.0f;
 510                                 dlightcolor[1] += 200.0f;
 511                                 dlightcolor[2] += 200.0f;
 512                         }
 513                         if (effects & EF_BRIGHTLIGHT)
 514                         {
 515                                 dlightcolor[0] += 400.0f;
 516                                 dlightcolor[1] += 400.0f;
 517                                 dlightcolor[2] += 400.0f;
 518                         }
 519                         // LordHavoc: added EF_RED and EF_BLUE
 520                         if (effects & EF_RED) // red
 521                         {
 522                                 dlightcolor[0] += 200.0f;
 523                                 dlightcolor[1] +=  20.0f;
 524                                 dlightcolor[2] +=  20.0f;
 525                         }
 526                         if (effects & EF_BLUE) // blue
 527                         {
 528                                 dlightcolor[0] +=  20.0f;
 529                                 dlightcolor[1] +=  20.0f;
 530                                 dlightcolor[2] += 200.0f;
 531                         }
 532                         if (effects & EF_FLAME)
 533                         {
 534                                 if (ent->render.model)
 535                                 {
 536                                         vec3_t mins, maxs;
 537                                         int temp;
 538                                         if (ent->render.angles[0] || ent->render.angles[2])
 539                                         {
 540                                                 VectorAdd(neworg, ent->render.model->rotatedmins, mins);
 541                                                 VectorAdd(neworg, ent->render.model->rotatedmaxs, maxs);
 542                                         }
 543                                         else if (ent->render.angles[1])
 544                                         {
 545                                                 VectorAdd(neworg, ent->render.model->yawmins, mins);
 546                                                 VectorAdd(neworg, ent->render.model->yawmaxs, maxs);
 547                                         }
 548                                         else
 549                                         {
 550                                                 VectorAdd(neworg, ent->render.model->normalmins, mins);
 551                                                 VectorAdd(neworg, ent->render.model->normalmaxs, maxs);
 552                                         }
 553                                         // how many flames to make
 554                                         temp = (int) (cl.time * 300) - (int) (cl.oldtime * 300);
 555                                         CL_FlameCube(mins, maxs, temp);
 556                                 }
 557                                 d = lhrandom(200, 250);
 558                                 dlightcolor[0] += d * 1.0f;
 559                                 dlightcolor[1] += d * 0.7f;
 560                                 dlightcolor[2] += d * 0.3f;
 561                         }
 562                 }
 563
 564                 // LordHavoc: if the model has no flags, don't check each
 565                 if (ent->render.model && ent->render.model->flags)
 566                 {
 567                         if (ent->render.model->flags & EF_ROTATE)
 568                         {
 569                                 ent->render.angles[1] = bobjrotate;
 570                                 ent->render.origin[2] += bobjoffset;
 571                         }
 572                         // only do trails if present in the previous frame as well
 573                         if (ent->state_previous.active)
 574                         {
 575                                 if (ent->render.model->flags & EF_GIB)
 576                                         CL_RocketTrail (oldorg, neworg, 2, ent);
 577                                 else if (ent->render.model->flags & EF_ZOMGIB)
 578                                         CL_RocketTrail (oldorg, neworg, 4, ent);
 579                                 else if (ent->render.model->flags & EF_TRACER)
 580                                         CL_RocketTrail (oldorg, neworg, 3, ent);
 581                                 else if (ent->render.model->flags & EF_TRACER2)
 582                                         CL_RocketTrail (oldorg, neworg, 5, ent);
 583                                 else if (ent->render.model->flags & EF_ROCKET)
 584                                 {
 585                                         CL_RocketTrail (oldorg, ent->render.origin, 0, ent);
 586                                         dlightcolor[0] += 200.0f;
 587                                         dlightcolor[1] += 160.0f;
 588                                         dlightcolor[2] +=  80.0f;
 589                                 }
 590                                 else if (ent->render.model->flags & EF_GRENADE)
 591                                 {
 592                                         if (ent->render.alpha == -1) // LordHavoc: Nehahra dem compatibility
 593                                                 CL_RocketTrail (oldorg, neworg, 7, ent);
 594                                         else
 595                                                 CL_RocketTrail (oldorg, neworg, 1, ent);
 596                                 }
 597                                 else if (ent->render.model->flags & EF_TRACER3)
 598                                         CL_RocketTrail (oldorg, neworg, 6, ent);
 599                         }
 600                 }
 601                 // LordHavoc: customizable glow
 602                 if (glowsize)
 603                 {
 604                         byte *tempcolor = (byte *)&d_8to24table[glowcolor];
 605                         dlightcolor[0] += glowsize * tempcolor[0] * (1.0f / 255.0f);
 606                         dlightcolor[1] += glowsize * tempcolor[1] * (1.0f / 255.0f);
 607                         dlightcolor[2] += glowsize * tempcolor[2] * (1.0f / 255.0f);
 608                 }
 609                 // LordHavoc: customizable trail
 610                 if (ent->render.flags & RENDER_GLOWTRAIL)
 611                         CL_RocketTrail2 (oldorg, neworg, glowcolor, ent);
 612
 613                 if (dlightcolor[0] || dlightcolor[1] || dlightcolor[2])
 614                 {
 615                         vec3_t vec;
 616                         dlightradius = VectorLength(dlightcolor);
 617                         d = 1.0f / dlightradius;
 618                         VectorCopy(neworg, vec);
 619                         // hack to make glowing player light shine on their gun
 620                         if (i == cl.viewentity && !chase_active.integer)
 621                                 vec[2] += 30;
 622                         CL_AllocDlight (&ent->render, vec, dlightradius, dlightcolor[0] * d, dlightcolor[1] * d, dlightcolor[2] * d, 0, 0);
 623                 }
 624
 625                 if (chase_active.integer)
 626                 {
 627                         if (ent->render.flags & RENDER_VIEWMODEL)
 628                                 continue;
 629                 }
 630                 else
 631                 {
 632                         if (i == cl.viewentity || (ent->render.flags & RENDER_EXTERIORMODEL))
 633                                 continue;
 634                 }
 635
 636                 if (ent->render.model == NULL)
 637                         continue;
 638                 if (effects & EF_NODRAW)
 639                         continue;
 640                 if (r_refdef.numentities < MAX_VISEDICTS)
 641                         r_refdef.entities[r_refdef.numentities++] = &ent->render;
 642         }
 643 }
 644
 645 static void CL_LerpPlayerVelocity (void)
 646 {
 647         int i;
 648         float frac, d;
 649
 650         // fraction from previous network update to current
 651         frac = CL_LerpPoint ();
 652
 653         for (i = 0;i < 3;i++)
 654                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
 655
 656         if (cls.demoplayback)
 657         {
 658                 // interpolate the angles
 659                 for (i = 0;i < 3;i++)
 660                 {
 661                         d = cl.mviewangles[0][i] - cl.mviewangles[1][i];
 662                         if (d > 180)
 663                                 d -= 360;
 664                         else if (d < -180)
 665                                 d += 360;
 666                         cl.viewangles[i] = cl.mviewangles[1][i] + frac*d;
 667                 }
 668         }
 669 }
 670
 671 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate)
 672 {
 673         int i;
 674         cl_effect_t *e;
 675         if (!modelindex) // sanity check
 676                 return;
 677         for (i = 0, e = cl_effect;i < MAX_EFFECTS;i++, e++)
 678         {
 679                 if (e->active)
 680                         continue;
 681                 e->active = true;
 682                 VectorCopy(org, e->origin);
 683                 e->modelindex = modelindex;
 684                 e->starttime = cl.time;
 685                 e->startframe = startframe;
 686                 e->endframe = startframe + framecount;
 687                 e->framerate = framerate;
 688
 689                 e->frame = 0;
 690                 e->frame1time = cl.time;
 691                 e->frame2time = cl.time;
 692                 break;
 693         }
 694 }
 695
 696 static void CL_RelinkEffects()
 697 {
 698         int i, intframe;
 699         cl_effect_t *e;
 700         entity_t *vis;
 701         float frame;
 702
 703         for (i = 0, e = cl_effect;i < MAX_EFFECTS;i++, e++)
 704         {
 705                 if (e->active)
 706                 {
 707                         frame = (cl.time - e->starttime) * e->framerate + e->startframe;
 708                         intframe = frame;
 709                         if (intframe < 0 || intframe >= e->endframe)
 710                         {
 711                                 e->active = false;
 712                                 memset(e, 0, sizeof(*e));
 713                                 continue;
 714                         }
 715
 716                         if (intframe != e->frame)
 717                         {
 718                                 e->frame = intframe;
 719                                 e->frame1time = e->frame2time;
 720                                 e->frame2time = cl.time;
 721                         }
 722
 723                         if ((vis = CL_NewTempEntity()))
 724                         {
 725                                 // interpolation stuff
 726                                 vis->render.frame1 = intframe;
 727                                 vis->render.frame2 = intframe + 1;
 728                                 if (vis->render.frame2 >= e->endframe)
 729                                         vis->render.frame2 = -1; // disappear
 730                                 vis->render.framelerp = frame - intframe;
 731                                 vis->render.frame1time = e->frame1time;
 732                                 vis->render.frame2time = e->frame2time;
 733
 734                                 // normal stuff
 735                                 VectorCopy(e->origin, vis->render.origin);
 736                                 vis->render.model = cl.model_precache[e->modelindex];
 737                                 vis->render.frame = vis->render.frame2;
 738                                 vis->render.colormap = -1; // no special coloring
 739                                 vis->render.scale = 1;
 740                                 vis->render.alpha = 1;
 741                         }
 742                 }
 743         }
 744 }
 745
 746 void CL_RelinkEntities (void)
 747 {
 748         r_refdef.numentities = 0;
 749
 750         CL_LerpPlayerVelocity();
 751         CL_RelinkNetworkEntities();
 752         CL_RelinkEffects();
 753         CL_MoveParticles();
 754         CL_UpdateDecals();
 755         CL_UpdateTEnts ();
 756 }
 757
 758
 759 /*
 760 ===============
 761 CL_ReadFromServer
 762
 763 Read all incoming data from the server
 764 ===============
 765 */
 766 int CL_ReadFromServer (void)
 767 {
 768         int ret, netshown;
 769
 770         cl.oldtime = cl.time;
 771         cl.time += cl.frametime;
 772
 773         netshown = false;
 774         do
 775         {
 776                 ret = CL_GetMessage ();
 777                 if (ret == -1)
 778                         Host_Error ("CL_ReadFromServer: lost server connection");
 779                 if (!ret)
 780                         break;
 781
 782                 cl.last_received_message = realtime;
 783
 784                 if (cl_shownet.integer)
 785                         netshown = true;
 786
 787                 CL_ParseServerMessage ();
 788         }
 789         while (ret && cls.state == ca_connected);
 790
 791         if (netshown)
 792                 Con_Printf ("\n");
 793
 794         CL_RelinkEntities ();
 795
 796 //
 797 // bring the links up to date
 798 //
 799         return 0;
 800 }
 801
 802 /*
 803 =================
 804 CL_SendCmd
 805 =================
 806 */
 807 void CL_SendCmd (void)
 808 {
 809         usercmd_t               cmd;
 810
 811         if (cls.state != ca_connected)
 812                 return;
 813
 814         if (cls.signon == SIGNONS)
 815         {
 816         // get basic movement from keyboard
 817                 CL_BaseMove (&cmd);
 818
 819         // allow mice or other external controllers to add to the move
 820                 IN_Move (&cmd);
 821
 822         // send the unreliable message
 823                 CL_SendMove (&cmd);
 824         }
 825
 826         if (cls.demoplayback)
 827         {
 828                 SZ_Clear (&cls.message);
 829                 return;
 830         }
 831
 832 // send the reliable message
 833         if (!cls.message.cursize)
 834                 return;         // no message at all
 835
 836         if (!NET_CanSendMessage (cls.netcon))
 837         {
 838                 Con_DPrintf ("CL_WriteToServer: can't send\n");
 839                 return;
 840         }
 841
 842         if (NET_SendMessage (cls.netcon, &cls.message) == -1)
 843                 Host_Error ("CL_WriteToServer: lost server connection");
 844
 845         SZ_Clear (&cls.message);
 846 }
 847
 848 // LordHavoc: pausedemo command
 849 static void CL_PauseDemo_f (void)
 850 {
 851         cls.demopaused = !cls.demopaused;
 852         if (cls.demopaused)
 853                 Con_Printf("Demo paused\n");
 854         else
 855                 Con_Printf("Demo unpaused\n");
 856 }
 857
 858 /*
 859 ======================
 860 CL_PModel_f
 861 LordHavoc: Intended for Nehahra, I personally think this is dumb, but Mindcrime won't listen.
 862 ======================
 863 */
 864 static void CL_PModel_f (void)
 865 {
 866         int i;
 867         eval_t *val;
 868
 869         if (Cmd_Argc () == 1)
 870         {
 871                 Con_Printf ("\"pmodel\" is \"%s\"\n", cl_pmodel.string);
 872                 return;
 873         }
 874         i = atoi(Cmd_Argv(1));
 875
 876         if (cmd_source == src_command)
 877         {
 878                 if (cl_pmodel.integer == i)
 879                         return;
 880                 Cvar_SetValue ("_cl_pmodel", i);
 881                 if (cls.state == ca_connected)
 882                         Cmd_ForwardToServer ();
 883                 return;
 884         }
 885
 886         host_client->pmodel = i;
 887         if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_pmodel)))
 888                 val->_float = i;
 889 }
 890
 891 /*
 892 ======================
 893 CL_Fog_f
 894 ======================
 895 */
 896 static void CL_Fog_f (void)
 897 {
 898         if (Cmd_Argc () == 1)
 899         {
 900                 Con_Printf ("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
 901                 return;
 902         }
 903         fog_density = atof(Cmd_Argv(1));
 904         fog_red = atof(Cmd_Argv(2));
 905         fog_green = atof(Cmd_Argv(3));
 906         fog_blue = atof(Cmd_Argv(4));
 907 }
 908
 909 /*
 910 =================
 911 CL_Init
 912 =================
 913 */
 914 void CL_Init (void)
 915 {
 916         cl_scores_mempool = Mem_AllocPool("client player info");
 917
 918         cl_refdef_mempool = Mem_AllocPool("refdef");
 919         memset(&r_refdef, 0, sizeof(r_refdef));
 920         r_refdef.entities = Mem_Alloc(cl_refdef_mempool, sizeof(entity_render_t *) * MAX_VISEDICTS);
 921
 922         SZ_Alloc (&cls.message, 1024, "cls.message");
 923
 924         CL_InitInput ();
 925         CL_InitTEnts ();
 926
 927 //
 928 // register our commands
 929 //
 930         Cvar_RegisterVariable (&cl_name);
 931         Cvar_RegisterVariable (&cl_color);
 932         if (gamemode == GAME_NEHAHRA)
 933                 Cvar_RegisterVariable (&cl_pmodel);
 934         Cvar_RegisterVariable (&cl_upspeed);
 935         Cvar_RegisterVariable (&cl_forwardspeed);
 936         Cvar_RegisterVariable (&cl_backspeed);
 937         Cvar_RegisterVariable (&cl_sidespeed);
 938         Cvar_RegisterVariable (&cl_movespeedkey);
 939         Cvar_RegisterVariable (&cl_yawspeed);
 940         Cvar_RegisterVariable (&cl_pitchspeed);
 941         Cvar_RegisterVariable (&cl_anglespeedkey);
 942         Cvar_RegisterVariable (&cl_shownet);
 943         Cvar_RegisterVariable (&cl_nolerp);
 944         Cvar_RegisterVariable (&lookspring);
 945         Cvar_RegisterVariable (&lookstrafe);
 946         Cvar_RegisterVariable (&sensitivity);
 947         Cvar_RegisterVariable (&freelook);
 948
 949         Cvar_RegisterVariable (&m_pitch);
 950         Cvar_RegisterVariable (&m_yaw);
 951         Cvar_RegisterVariable (&m_forward);
 952         Cvar_RegisterVariable (&m_side);
 953
 954         Cvar_RegisterVariable (&cl_itembobspeed);
 955         Cvar_RegisterVariable (&cl_itembobheight);
 956
 957         Cmd_AddCommand ("entities", CL_PrintEntities_f);
 958         Cmd_AddCommand ("bitprofile", CL_BitProfile_f);
 959         Cmd_AddCommand ("disconnect", CL_Disconnect_f);
 960         Cmd_AddCommand ("record", CL_Record_f);
 961         Cmd_AddCommand ("stop", CL_Stop_f);
 962         Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
 963         Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
 964
 965         Cmd_AddCommand ("fog", CL_Fog_f);
 966
 967         // LordHavoc: added pausedemo
 968         Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
 969         if (gamemode == GAME_NEHAHRA)
 970                 Cmd_AddCommand ("pmodel", CL_PModel_f);
 971
 972         Cvar_RegisterVariable(&cl_draweffects);
 973
 974         CL_Parse_Init();
 975         CL_Particles_Init();
 976         CL_Decals_Init();
 977 }