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_Screen_NewMap();
 110         CL_Particles_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         CL_CGVM_Clear();
 120 }
 121
 122 void CL_LerpUpdate(entity_t *e)
 123 {
 124         entity_persistent_t *p;
 125         entity_render_t *r;
 126         p = &e->persistent;
 127         r = &e->render;
 128
 129         if (p->modelindex != e->state_current.modelindex)
 130         {
 131                 // reset all interpolation information
 132                 p->modelindex = e->state_current.modelindex;
 133                 p->frame1 = p->frame2 = e->state_current.frame;
 134                 p->frame1time = p->frame2time = cl.time;
 135                 p->framelerp = 1;
 136         }
 137         else if (p->frame2 != e->state_current.frame)
 138         {
 139                 // transition to new frame
 140                 p->frame1 = p->frame2;
 141                 p->frame1time = p->frame2time;
 142                 p->frame2 = e->state_current.frame;
 143                 p->frame2time = cl.time;
 144                 p->framelerp = 0;
 145         }
 146         else
 147         {
 148                 // update transition
 149                 p->framelerp = (cl.time - p->frame2time) * 10;
 150                 p->framelerp = bound(0, p->framelerp, 1);
 151         }
 152
 153         r->model = cl.model_precache[e->state_current.modelindex];
 154         Mod_CheckLoaded(r->model);
 155         r->frame = e->state_current.frame;
 156         r->frame1 = p->frame1;
 157         r->frame2 = p->frame2;
 158         r->framelerp = p->framelerp;
 159         r->frame1time = p->frame1time;
 160         r->frame2time = p->frame2time;
 161 }
 162
 163 /*
 164 =====================
 165 CL_Disconnect
 166
 167 Sends a disconnect message to the server
 168 This is also called on Host_Error, so it shouldn't cause any errors
 169 =====================
 170 */
 171 void CL_Disconnect (void)
 172 {
 173         if (cls.state == ca_dedicated)
 174                 return;
 175
 176 // stop sounds (especially looping!)
 177         S_StopAllSounds (true);
 178
 179         // clear contents blends
 180         cl.cshifts[0].percent = 0;
 181         cl.cshifts[1].percent = 0;
 182         cl.cshifts[2].percent = 0;
 183         cl.cshifts[3].percent = 0;
 184
 185         cl.worldmodel = NULL;
 186
 187         if (cls.demoplayback)
 188                 CL_StopPlayback ();
 189         else if (cls.state == ca_connected)
 190         {
 191                 if (cls.demorecording)
 192                         CL_Stop_f ();
 193
 194                 Con_DPrintf ("Sending clc_disconnect\n");
 195                 SZ_Clear (&cls.message);
 196                 MSG_WriteByte (&cls.message, clc_disconnect);
 197                 NET_SendUnreliableMessage (cls.netcon, &cls.message);
 198                 SZ_Clear (&cls.message);
 199                 NET_Close (cls.netcon);
 200                 // if running a local server, shut it down
 201                 if (sv.active)
 202                         Host_ShutdownServer(false);
 203         }
 204         cls.state = ca_disconnected;
 205
 206         cls.demoplayback = cls.timedemo = false;
 207         cls.signon = 0;
 208 }
 209
 210 void CL_Disconnect_f (void)
 211 {
 212         CL_Disconnect ();
 213         if (sv.active)
 214                 Host_ShutdownServer (false);
 215 }
 216
 217
 218
 219
 220 /*
 221 =====================
 222 CL_EstablishConnection
 223
 224 Host should be either "local" or a net address to be passed on
 225 =====================
 226 */
 227 void CL_EstablishConnection (char *host)
 228 {
 229         if (cls.state == ca_dedicated)
 230                 return;
 231
 232         if (cls.demoplayback)
 233                 return;
 234
 235         CL_Disconnect ();
 236
 237         cls.netcon = NET_Connect (host);
 238         if (!cls.netcon)
 239                 Host_Error ("CL_Connect: connect failed\n");
 240         Con_DPrintf ("CL_EstablishConnection: connected to %s\n", host);
 241
 242         cls.demonum = -1;                       // not in the demo loop now
 243         cls.state = ca_connected;
 244         cls.signon = 0;                         // need all the signon messages before playing
 245 }
 246
 247 /*
 248 ==============
 249 CL_PrintEntities_f
 250 ==============
 251 */
 252 static void CL_PrintEntities_f (void)
 253 {
 254         entity_t        *ent;
 255         int                     i, j;
 256         char            name[32];
 257
 258         for (i = 0, ent = cl_entities;i < MAX_EDICTS /*cl.num_entities*/;i++, ent++)
 259         {
 260                 if (!ent->state_current.active)
 261                         continue;
 262                 if (!ent->render.model)
 263                         continue;
 264
 265                 Con_Printf ("%3i:", i);
 266                 if (!ent->render.model)
 267                 {
 268                         Con_Printf ("EMPTY\n");
 269                         continue;
 270                 }
 271                 strncpy(name, ent->render.model->name, 25);
 272                 name[25] = 0;
 273                 for (j = strlen(name);j < 25;j++)
 274                         name[j] = ' ';
 275                 Con_Printf ("%s:%04i (%5i %5i %5i) [%3i %3i %3i] %4.2f %5.3f\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, ent->render.scale, ent->render.alpha);
 276         }
 277 }
 278
 279
 280 /*
 281 ===============
 282 CL_LerpPoint
 283
 284 Determines the fraction between the last two messages that the objects
 285 should be put at.
 286 ===============
 287 */
 288 static float CL_LerpPoint (void)
 289 {
 290         float   f;
 291
 292         // dropped packet, or start of demo
 293         if (cl.mtime[1] < cl.mtime[0] - 0.1)
 294                 cl.mtime[1] = cl.mtime[0] - 0.1;
 295
 296         cl.time = bound(cl.mtime[1], cl.time, cl.mtime[0]);
 297
 298         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 299         f = cl.mtime[0] - cl.mtime[1];
 300         if (!f || cl_nolerp.integer || cls.timedemo || (sv.active && svs.maxclients == 1))
 301         {
 302                 cl.time = cl.mtime[0];
 303                 return 1;
 304         }
 305
 306         f = (cl.time - cl.mtime[1]) / f;
 307         return bound(0, f, 1);
 308 }
 309
 310 static void CL_RelinkStaticEntities(void)
 311 {
 312         int i;
 313         for (i = 0;i < cl.num_statics && r_refdef.numentities < MAX_VISEDICTS;i++)
 314         {
 315                 Mod_CheckLoaded(cl_static_entities[i].render.model);
 316                 r_refdef.entities[r_refdef.numentities++] = &cl_static_entities[i].render;
 317         }
 318 }
 319
 320 /*
 321 ===============
 322 CL_RelinkEntities
 323 ===============
 324 */
 325 static void CL_RelinkNetworkEntities()
 326 {
 327         entity_t        *ent;
 328         int                     i, glowcolor, effects;
 329         float           f, d, bobjrotate, bobjoffset, dlightradius, glowsize, lerp;
 330         vec3_t          oldorg, neworg, delta, dlightcolor;
 331
 332         bobjrotate = ANGLEMOD(100*cl.time);
 333         if (cl_itembobheight.value)
 334                 bobjoffset = (cos(cl.time * cl_itembobspeed.value * (2.0 * M_PI)) + 1.0) * 0.5 * cl_itembobheight.value;
 335         else
 336                 bobjoffset = 0;
 337
 338 // start on the entity after the world
 339         for (i = 1, ent = cl_entities + 1;i < MAX_EDICTS /*cl.num_entities*/;i++, ent++)
 340         {
 341                 // if the object wasn't included in the latest packet, remove it
 342                 if (!ent->state_current.active)
 343                         continue;
 344
 345                 VectorCopy(ent->persistent.trail_origin, oldorg);
 346
 347                 if (!ent->state_previous.active)
 348                 {
 349                         // only one state available
 350                         lerp = 1;
 351                         VectorCopy (ent->state_current.origin, oldorg); // skip trails
 352                         VectorCopy (ent->state_current.origin, neworg);
 353                         VectorCopy (ent->state_current.angles, ent->render.angles);
 354
 355                         /*
 356                         // monster interpolation
 357                         ent->persistent.steplerptime = 0;
 358                         VectorCopy(ent->state_current.origin, ent->persistent.stepoldorigin);
 359                         VectorCopy(ent->state_current.angles, ent->persistent.stepoldangles);
 360                         VectorCopy(ent->state_current.origin, ent->persistent.steporigin);
 361                         VectorCopy(ent->state_current.angles, ent->persistent.stepangles);
 362                         */
 363                 }
 364                 /*
 365                 else if ((ent->state_current.flags & ent->state_previous.flags) & ENTFLAG_STEP)
 366                 {
 367                         if (ent->state_current.origin[0] != ent->persistent.steporigin[0]
 368                          || ent->state_current.origin[1] != ent->persistent.steporigin[1]
 369                          || ent->state_current.origin[2] != ent->persistent.steporigin[2]
 370                          || ent->state_current.angles[0] != ent->persistent.stepangles[0]
 371                          || ent->state_current.angles[1] != ent->persistent.stepangles[1]
 372                          || ent->state_current.angles[2] != ent->persistent.stepangles[2])
 373                         {
 374                                 // update lerp positions
 375                                 ent->clientpersistent.steplerptime = sv.time;
 376                                 VectorCopy(ent->steporigin, ent->stepoldorigin);
 377                                 VectorCopy(ent->stepangles, ent->stepoldangles);
 378                                 VectorCopy(ent->v.origin, ent->steporigin);
 379                                 VectorCopy(ent->v.angles, ent->stepangles);
 380                         }
 381                         lerp = (cl.time - ent->persistent.steplerptime) * 10.0;
 382                         if (lerp < 1)
 383                         {
 384                                 // origin
 385                                 VectorSubtract(ent->persistent.steporigin, ent->persistent.stepoldorigin, delta);
 386                                 VectorMA(ent->persistent.stepoldorigin, lerp, delta, neworg);
 387
 388                                 // angles
 389                                 VectorSubtract(ent->persistent.stepangles, ent->persistent.stepoldangles, delta);
 390                                 // choose shortest rotate (to avoid 'spin around' situations)
 391                                 if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
 392                                 if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
 393                                 if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
 394                                 VectorMA(ent->stepoldangles, lerp, delta, ent->render.angles);
 395                         }
 396                         else
 397                         {
 398                                 VectorCopy(ent->persistent.steporigin, neworg);
 399                                 VectorCopy(ent->persistent.stepangles, ent->render.angles);
 400                         }
 401                 }
 402                 */
 403                 else
 404                 {
 405                         /*
 406                         // monster interpolation
 407                         ent->persistent.steplerptime = 0;
 408                         VectorCopy(ent->state_current.origin, ent->persistent.stepoldorigin);
 409                         VectorCopy(ent->state_current.angles, ent->persistent.stepoldangles);
 410                         VectorCopy(ent->state_current.origin, ent->persistent.steporigin);
 411                         VectorCopy(ent->state_current.angles, ent->persistent.stepangles);
 412                         */
 413
 414                         // if the delta is large, assume a teleport and don't lerp
 415                         VectorSubtract(ent->state_current.origin, ent->state_previous.origin, delta);
 416                         // LordHavoc: increased tolerance from 100 to 200, and now to 1000
 417                         if ((sv.active && svs.maxclients == 1 && !(ent->state_current.flags & RENDER_STEP)) || cls.timedemo || DotProduct(delta, delta) > 1000*1000 || cl_nolerp.integer)
 418                                 lerp = 1;
 419                         else
 420                         {
 421                                 f = ent->state_current.time - ent->state_previous.time;
 422                                 if (f > 0)
 423                                         lerp = (cl.time - ent->state_previous.time) / f;
 424                                 else
 425                                         lerp = 1;
 426                         }
 427                         if (lerp >= 1)
 428                         {
 429                                 // no interpolation
 430                                 VectorCopy (ent->state_current.origin, neworg);
 431                                 VectorCopy (ent->state_current.angles, ent->render.angles);
 432                         }
 433                         else
 434                         {
 435                                 // interpolate the origin and angles
 436                                 VectorMA(ent->state_previous.origin, lerp, delta, neworg);
 437                                 VectorSubtract(ent->state_current.angles, ent->state_previous.angles, delta);
 438                                 if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
 439                                 if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
 440                                 if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
 441                                 VectorMA(ent->state_previous.angles, lerp, delta, ent->render.angles);
 442                         }
 443                 }
 444
 445                 VectorCopy (neworg, ent->persistent.trail_origin);
 446                 // persistent.modelindex will be updated by CL_LerpUpdate
 447                 if (ent->state_current.modelindex != ent->persistent.modelindex)
 448                         VectorCopy(neworg, oldorg);
 449
 450                 VectorCopy (neworg, ent->render.origin);
 451                 ent->render.flags = ent->state_current.flags;
 452                 ent->render.effects = effects = ent->state_current.effects;
 453                 if (cl.scores == NULL || !ent->state_current.colormap)
 454                         ent->render.colormap = -1; // no special coloring
 455                 else
 456                         ent->render.colormap = cl.scores[ent->state_current.colormap - 1].colors; // color it
 457                 ent->render.skinnum = ent->state_current.skin;
 458                 ent->render.alpha = ent->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 459                 ent->render.scale = ent->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 460
 461                 // update interpolation info
 462                 CL_LerpUpdate(ent);
 463
 464                 // handle effects now...
 465                 dlightradius = 0;
 466                 dlightcolor[0] = 0;
 467                 dlightcolor[1] = 0;
 468                 dlightcolor[2] = 0;
 469
 470                 // LordHavoc: if the entity has no effects, don't check each
 471                 if (effects)
 472                 {
 473                         if (effects & EF_BRIGHTFIELD)
 474                                 CL_EntityParticles (ent);
 475                         if (effects & EF_MUZZLEFLASH)
 476                         {
 477                                 vec3_t v, v2;
 478
 479                                 AngleVectors (ent->render.angles, v, NULL, NULL);
 480
 481                                 v2[0] = v[0] * 18 + neworg[0];
 482                                 v2[1] = v[1] * 18 + neworg[1];
 483                                 v2[2] = v[2] * 18 + neworg[2] + 16;
 484                                 TraceLine(neworg, v2, v, NULL, 0, true);
 485
 486                                 CL_AllocDlight (NULL, v, 100, 1, 1, 1, 0, 0);
 487                         }
 488                         if (effects & EF_DIMLIGHT)
 489                         {
 490                                 dlightcolor[0] += 200.0f;
 491                                 dlightcolor[1] += 200.0f;
 492                                 dlightcolor[2] += 200.0f;
 493                         }
 494                         if (effects & EF_BRIGHTLIGHT)
 495                         {
 496                                 dlightcolor[0] += 400.0f;
 497                                 dlightcolor[1] += 400.0f;
 498                                 dlightcolor[2] += 400.0f;
 499                         }
 500                         // LordHavoc: added EF_RED and EF_BLUE
 501                         if (effects & EF_RED) // red
 502                         {
 503                                 dlightcolor[0] += 200.0f;
 504                                 dlightcolor[1] +=  20.0f;
 505                                 dlightcolor[2] +=  20.0f;
 506                         }
 507                         if (effects & EF_BLUE) // blue
 508                         {
 509                                 dlightcolor[0] +=  20.0f;
 510                                 dlightcolor[1] +=  20.0f;
 511                                 dlightcolor[2] += 200.0f;
 512                         }
 513                         if (effects & EF_FLAME)
 514                         {
 515                                 if (ent->render.model)
 516                                 {
 517                                         vec3_t mins, maxs;
 518                                         int temp;
 519                                         if (ent->render.angles[0] || ent->render.angles[2])
 520                                         {
 521                                                 VectorAdd(neworg, ent->render.model->rotatedmins, mins);
 522                                                 VectorAdd(neworg, ent->render.model->rotatedmaxs, maxs);
 523                                         }
 524                                         else if (ent->render.angles[1])
 525                                         {
 526                                                 VectorAdd(neworg, ent->render.model->yawmins, mins);
 527                                                 VectorAdd(neworg, ent->render.model->yawmaxs, maxs);
 528                                         }
 529                                         else
 530                                         {
 531                                                 VectorAdd(neworg, ent->render.model->normalmins, mins);
 532                                                 VectorAdd(neworg, ent->render.model->normalmaxs, maxs);
 533                                         }
 534                                         // how many flames to make
 535                                         temp = (int) (cl.time * 300) - (int) (cl.oldtime * 300);
 536                                         CL_FlameCube(mins, maxs, temp);
 537                                 }
 538                                 d = lhrandom(200, 250);
 539                                 dlightcolor[0] += d * 1.0f;
 540                                 dlightcolor[1] += d * 0.7f;
 541                                 dlightcolor[2] += d * 0.3f;
 542                         }
 543                 }
 544
 545                 // LordHavoc: if the model has no flags, don't check each
 546                 if (ent->render.model && ent->render.model->flags)
 547                 {
 548                         if (ent->render.model->flags & EF_ROTATE)
 549                         {
 550                                 ent->render.angles[1] = bobjrotate;
 551                                 ent->render.origin[2] += bobjoffset;
 552                         }
 553                         // only do trails if present in the previous frame as well
 554                         if (ent->state_previous.active)
 555                         {
 556                                 if (ent->render.model->flags & EF_GIB)
 557                                         CL_RocketTrail (oldorg, neworg, 2, ent);
 558                                 else if (ent->render.model->flags & EF_ZOMGIB)
 559                                         CL_RocketTrail (oldorg, neworg, 4, ent);
 560                                 else if (ent->render.model->flags & EF_TRACER)
 561                                         CL_RocketTrail (oldorg, neworg, 3, ent);
 562                                 else if (ent->render.model->flags & EF_TRACER2)
 563                                         CL_RocketTrail (oldorg, neworg, 5, ent);
 564                                 else if (ent->render.model->flags & EF_ROCKET)
 565                                 {
 566                                         CL_RocketTrail (oldorg, ent->render.origin, 0, ent);
 567                                         // LordHavoc: changed from 200, 160, 80 to 250, 200, 100
 568                                         dlightcolor[0] += 250.0f;
 569                                         dlightcolor[1] += 200.0f;
 570                                         dlightcolor[2] += 100.0f;
 571                                 }
 572                                 else if (ent->render.model->flags & EF_GRENADE)
 573                                 {
 574                                         if (ent->render.alpha == -1) // LordHavoc: Nehahra dem compatibility
 575                                                 CL_RocketTrail (oldorg, neworg, 7, ent);
 576                                         else
 577                                                 CL_RocketTrail (oldorg, neworg, 1, ent);
 578                                 }
 579                                 else if (ent->render.model->flags & EF_TRACER3)
 580                                         CL_RocketTrail (oldorg, neworg, 6, ent);
 581                         }
 582                 }
 583                 // LordHavoc: customizable glow
 584                 glowsize = ent->state_current.glowsize * 4.0f; // FIXME: interpolate?
 585                 glowcolor = ent->state_current.glowcolor;
 586                 if (glowsize)
 587                 {
 588                         byte *tempcolor = (byte *)&d_8to24table[glowcolor];
 589                         dlightcolor[0] += glowsize * tempcolor[0] * (1.0f / 255.0f);
 590                         dlightcolor[1] += glowsize * tempcolor[1] * (1.0f / 255.0f);
 591                         dlightcolor[2] += glowsize * tempcolor[2] * (1.0f / 255.0f);
 592                 }
 593                 // LordHavoc: customizable trail
 594                 if (ent->render.flags & RENDER_GLOWTRAIL)
 595                         CL_RocketTrail2 (oldorg, neworg, glowcolor, ent);
 596
 597                 if (dlightcolor[0] || dlightcolor[1] || dlightcolor[2])
 598                 {
 599                         vec3_t vec;
 600                         dlightradius = VectorLength(dlightcolor);
 601                         d = 1.0f / dlightradius;
 602                         VectorCopy(neworg, vec);
 603                         // hack to make glowing player light shine on their gun
 604                         if (i == cl.viewentity && !chase_active.integer)
 605                                 vec[2] += 30;
 606                         CL_AllocDlight (/*&ent->render*/ NULL, vec, dlightradius, dlightcolor[0] * d, dlightcolor[1] * d, dlightcolor[2] * d, 0, 0);
 607                 }
 608
 609                 if (chase_active.integer)
 610                 {
 611                         if (ent->render.flags & RENDER_VIEWMODEL)
 612                                 continue;
 613                 }
 614                 else
 615                 {
 616                         if (i == cl.viewentity || (ent->render.flags & RENDER_EXTERIORMODEL))
 617                                 continue;
 618                 }
 619
 620                 if (ent->render.model == NULL)
 621                         continue;
 622                 if (effects & EF_NODRAW)
 623                         continue;
 624                 if (r_refdef.numentities < MAX_VISEDICTS)
 625                         r_refdef.entities[r_refdef.numentities++] = &ent->render;
 626         }
 627 }
 628
 629 void CL_LerpPlayerEye(float frac)
 630 {
 631         if (cl.entitydatabase.numframes)
 632         {
 633                 cl.viewentorigin[0] = cl.viewentoriginold[0] + frac * (cl.viewentoriginnew[0] - cl.viewentoriginold[0]);
 634                 cl.viewentorigin[1] = cl.viewentoriginold[1] + frac * (cl.viewentoriginnew[1] - cl.viewentoriginold[1]);
 635                 cl.viewentorigin[2] = cl.viewentoriginold[2] + frac * (cl.viewentoriginnew[2] - cl.viewentoriginold[2]);
 636         }
 637         else
 638                 VectorCopy (cl_entities[cl.viewentity].render.origin, cl.viewentorigin);
 639 }
 640
 641 static void CL_LerpPlayerVelocity (float frac)
 642 {
 643         int i;
 644         float d;
 645
 646         for (i = 0;i < 3;i++)
 647                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
 648
 649         if (cls.demoplayback)
 650         {
 651                 // interpolate the angles
 652                 for (i = 0;i < 3;i++)
 653                 {
 654                         d = cl.mviewangles[0][i] - cl.mviewangles[1][i];
 655                         if (d > 180)
 656                                 d -= 360;
 657                         else if (d < -180)
 658                                 d += 360;
 659                         cl.viewangles[i] = cl.mviewangles[1][i] + frac*d;
 660                 }
 661         }
 662 }
 663
 664 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate)
 665 {
 666         int i;
 667         cl_effect_t *e;
 668         if (!modelindex) // sanity check
 669                 return;
 670         for (i = 0, e = cl_effect;i < MAX_EFFECTS;i++, e++)
 671         {
 672                 if (e->active)
 673                         continue;
 674                 e->active = true;
 675                 VectorCopy(org, e->origin);
 676                 e->modelindex = modelindex;
 677                 e->starttime = cl.time;
 678                 e->startframe = startframe;
 679                 e->endframe = startframe + framecount;
 680                 e->framerate = framerate;
 681
 682                 e->frame = 0;
 683                 e->frame1time = cl.time;
 684                 e->frame2time = cl.time;
 685                 break;
 686         }
 687 }
 688
 689 static void CL_RelinkEffects()
 690 {
 691         int i, intframe;
 692         cl_effect_t *e;
 693         entity_t *vis;
 694         float frame;
 695
 696         for (i = 0, e = cl_effect;i < MAX_EFFECTS;i++, e++)
 697         {
 698                 if (e->active)
 699                 {
 700                         frame = (cl.time - e->starttime) * e->framerate + e->startframe;
 701                         intframe = frame;
 702                         if (intframe < 0 || intframe >= e->endframe)
 703                         {
 704                                 e->active = false;
 705                                 memset(e, 0, sizeof(*e));
 706                                 continue;
 707                         }
 708
 709                         if (intframe != e->frame)
 710                         {
 711                                 e->frame = intframe;
 712                                 e->frame1time = e->frame2time;
 713                                 e->frame2time = cl.time;
 714                         }
 715
 716                         if ((vis = CL_NewTempEntity()))
 717                         {
 718                                 // interpolation stuff
 719                                 vis->render.frame1 = intframe;
 720                                 vis->render.frame2 = intframe + 1;
 721                                 if (vis->render.frame2 >= e->endframe)
 722                                         vis->render.frame2 = -1; // disappear
 723                                 vis->render.framelerp = frame - intframe;
 724                                 vis->render.frame1time = e->frame1time;
 725                                 vis->render.frame2time = e->frame2time;
 726
 727                                 // normal stuff
 728                                 VectorCopy(e->origin, vis->render.origin);
 729                                 vis->render.model = cl.model_precache[e->modelindex];
 730                                 vis->render.frame = vis->render.frame2;
 731                                 vis->render.colormap = -1; // no special coloring
 732                                 vis->render.scale = 1;
 733                                 vis->render.alpha = 1;
 734                         }
 735                 }
 736         }
 737 }
 738
 739 void CL_RelinkEntities (void)
 740 {
 741         float frac;
 742
 743         // fraction from previous network update to current
 744         frac = CL_LerpPoint ();
 745
 746         CL_DecayLights ();
 747         CL_RelinkStaticEntities();
 748         CL_RelinkNetworkEntities();
 749         TraceLine_ScanForBModels();
 750         CL_RelinkEffects();
 751         CL_MoveParticles();
 752         CL_UpdateTEnts();
 753
 754         CL_LerpPlayerEye(frac);
 755         CL_LerpPlayerVelocity(frac);
 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         r_refdef.numentities = 0;
 795         if (cls.state == ca_connected && cl.worldmodel)
 796         {
 797                 CL_RelinkEntities ();
 798
 799                 // run cgame code (which can add more entities)
 800                 CL_CGVM_Frame();
 801         }
 802
 803 //
 804 // bring the links up to date
 805 //
 806         return 0;
 807 }
 808
 809 /*
 810 =================
 811 CL_SendCmd
 812 =================
 813 */
 814 void CL_SendCmd (void)
 815 {
 816         usercmd_t               cmd;
 817
 818         if (cls.state != ca_connected)
 819                 return;
 820
 821         if (cls.signon == SIGNONS)
 822         {
 823         // get basic movement from keyboard
 824                 CL_BaseMove (&cmd);
 825
 826         // allow mice or other external controllers to add to the move
 827                 IN_Move (&cmd);
 828
 829         // send the unreliable message
 830                 CL_SendMove (&cmd);
 831         }
 832
 833         if (cls.demoplayback)
 834         {
 835                 SZ_Clear (&cls.message);
 836                 return;
 837         }
 838
 839 // send the reliable message
 840         if (!cls.message.cursize)
 841                 return;         // no message at all
 842
 843         if (!NET_CanSendMessage (cls.netcon))
 844         {
 845                 Con_DPrintf ("CL_WriteToServer: can't send\n");
 846                 return;
 847         }
 848
 849         if (NET_SendMessage (cls.netcon, &cls.message) == -1)
 850                 Host_Error ("CL_WriteToServer: lost server connection");
 851
 852         SZ_Clear (&cls.message);
 853 }
 854
 855 // LordHavoc: pausedemo command
 856 static void CL_PauseDemo_f (void)
 857 {
 858         cls.demopaused = !cls.demopaused;
 859         if (cls.demopaused)
 860                 Con_Printf("Demo paused\n");
 861         else
 862                 Con_Printf("Demo unpaused\n");
 863 }
 864
 865 /*
 866 ======================
 867 CL_PModel_f
 868 LordHavoc: Intended for Nehahra, I personally think this is dumb, but Mindcrime won't listen.
 869 ======================
 870 */
 871 static void CL_PModel_f (void)
 872 {
 873         int i;
 874         eval_t *val;
 875
 876         if (Cmd_Argc () == 1)
 877         {
 878                 Con_Printf ("\"pmodel\" is \"%s\"\n", cl_pmodel.string);
 879                 return;
 880         }
 881         i = atoi(Cmd_Argv(1));
 882
 883         if (cmd_source == src_command)
 884         {
 885                 if (cl_pmodel.integer == i)
 886                         return;
 887                 Cvar_SetValue ("_cl_pmodel", i);
 888                 if (cls.state == ca_connected)
 889                         Cmd_ForwardToServer ();
 890                 return;
 891         }
 892
 893         host_client->pmodel = i;
 894         if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_pmodel)))
 895                 val->_float = i;
 896 }
 897
 898 /*
 899 ======================
 900 CL_Fog_f
 901 ======================
 902 */
 903 static void CL_Fog_f (void)
 904 {
 905         if (Cmd_Argc () == 1)
 906         {
 907                 Con_Printf ("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
 908                 return;
 909         }
 910         fog_density = atof(Cmd_Argv(1));
 911         fog_red = atof(Cmd_Argv(2));
 912         fog_green = atof(Cmd_Argv(3));
 913         fog_blue = atof(Cmd_Argv(4));
 914 }
 915
 916 /*
 917 =================
 918 CL_Init
 919 =================
 920 */
 921 void CL_Init (void)
 922 {
 923         cl_scores_mempool = Mem_AllocPool("client player info");
 924
 925         cl_refdef_mempool = Mem_AllocPool("refdef");
 926         memset(&r_refdef, 0, sizeof(r_refdef));
 927         r_refdef.entities = Mem_Alloc(cl_refdef_mempool, sizeof(entity_render_t *) * MAX_VISEDICTS);
 928
 929         SZ_Alloc (&cls.message, 1024, "cls.message");
 930
 931         CL_InitInput ();
 932         CL_InitTEnts ();
 933
 934 //
 935 // register our commands
 936 //
 937         Cvar_RegisterVariable (&cl_name);
 938         Cvar_RegisterVariable (&cl_color);
 939         if (gamemode == GAME_NEHAHRA)
 940                 Cvar_RegisterVariable (&cl_pmodel);
 941         Cvar_RegisterVariable (&cl_upspeed);
 942         Cvar_RegisterVariable (&cl_forwardspeed);
 943         Cvar_RegisterVariable (&cl_backspeed);
 944         Cvar_RegisterVariable (&cl_sidespeed);
 945         Cvar_RegisterVariable (&cl_movespeedkey);
 946         Cvar_RegisterVariable (&cl_yawspeed);
 947         Cvar_RegisterVariable (&cl_pitchspeed);
 948         Cvar_RegisterVariable (&cl_anglespeedkey);
 949         Cvar_RegisterVariable (&cl_shownet);
 950         Cvar_RegisterVariable (&cl_nolerp);
 951         Cvar_RegisterVariable (&lookspring);
 952         Cvar_RegisterVariable (&lookstrafe);
 953         Cvar_RegisterVariable (&sensitivity);
 954         Cvar_RegisterVariable (&freelook);
 955
 956         Cvar_RegisterVariable (&m_pitch);
 957         Cvar_RegisterVariable (&m_yaw);
 958         Cvar_RegisterVariable (&m_forward);
 959         Cvar_RegisterVariable (&m_side);
 960
 961         Cvar_RegisterVariable (&cl_itembobspeed);
 962         Cvar_RegisterVariable (&cl_itembobheight);
 963
 964         Cmd_AddCommand ("entities", CL_PrintEntities_f);
 965         Cmd_AddCommand ("bitprofile", CL_BitProfile_f);
 966         Cmd_AddCommand ("disconnect", CL_Disconnect_f);
 967         Cmd_AddCommand ("record", CL_Record_f);
 968         Cmd_AddCommand ("stop", CL_Stop_f);
 969         Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
 970         Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
 971
 972         Cmd_AddCommand ("fog", CL_Fog_f);
 973
 974         // LordHavoc: added pausedemo
 975         Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
 976         if (gamemode == GAME_NEHAHRA)
 977                 Cmd_AddCommand ("pmodel", CL_PModel_f);
 978
 979         Cvar_RegisterVariable(&cl_draweffects);
 980
 981         CL_Parse_Init();
 982         CL_Particles_Init();
 983         CL_Screen_Init();
 984         CL_CGVM_Init();
 985 }