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
  25 // we need to declare some mouse variables here, because the menu system
  26 // references them even when on a unix system.
  27
  28 // these two are not intended to be set directly
  29 cvar_t cl_name = {CVAR_SAVE, "_cl_name", "player"};
  30 cvar_t cl_color = {CVAR_SAVE, "_cl_color", "0"};
  31 cvar_t cl_pmodel = {CVAR_SAVE, "_cl_pmodel", "0"};
  32
  33 cvar_t cl_shownet = {0, "cl_shownet","0"};
  34 cvar_t cl_nolerp = {0, "cl_nolerp", "0"};
  35
  36 cvar_t cl_itembobheight = {0, "cl_itembobheight", "8"};
  37 cvar_t cl_itembobspeed = {0, "cl_itembobspeed", "0.5"};
  38
  39 cvar_t lookspring = {CVAR_SAVE, "lookspring","0"};
  40 cvar_t lookstrafe = {CVAR_SAVE, "lookstrafe","0"};
  41 cvar_t sensitivity = {CVAR_SAVE, "sensitivity","3", 1, 30};
  42
  43 cvar_t m_pitch = {CVAR_SAVE, "m_pitch","0.022"};
  44 cvar_t m_yaw = {CVAR_SAVE, "m_yaw","0.022"};
  45 cvar_t m_forward = {CVAR_SAVE, "m_forward","1"};
  46 cvar_t m_side = {CVAR_SAVE, "m_side","0.8"};
  47
  48 cvar_t freelook = {CVAR_SAVE, "freelook", "1"};
  49
  50 cvar_t cl_draweffects = {0, "cl_draweffects", "1"};
  51
  52 mempool_t *cl_scores_mempool;
  53 mempool_t *cl_refdef_mempool;
  54
  55 client_static_t cls;
  56 client_state_t  cl;
  57 // FIXME: put these on hunk?
  58 entity_t                cl_entities[MAX_EDICTS];
  59 entity_t                cl_static_entities[MAX_STATIC_ENTITIES];
  60 lightstyle_t    cl_lightstyle[MAX_LIGHTSTYLES];
  61
  62 typedef struct effect_s
  63 {
  64         int active;
  65         vec3_t origin;
  66         float starttime;
  67         float framerate;
  68         int modelindex;
  69         int startframe;
  70         int endframe;
  71         // these are for interpolation
  72         int frame;
  73         double frame1time;
  74         double frame2time;
  75 }
  76 cl_effect_t;
  77
  78 #define MAX_EFFECTS 256
  79
  80 static cl_effect_t cl_effect[MAX_EFFECTS];
  81
  82
  83 /*
  84 =====================
  85 CL_ClearState
  86
  87 =====================
  88 */
  89 void CL_ClearState (void)
  90 {
  91         int                     i;
  92
  93         if (!sv.active)
  94                 Host_ClearMemory ();
  95
  96         Mem_EmptyPool(cl_scores_mempool);
  97
  98 // wipe the entire cl structure
  99         memset (&cl, 0, sizeof(cl));
 100
 101         SZ_Clear (&cls.message);
 102
 103 // clear other arrays
 104         memset(cl_entities, 0, sizeof(cl_entities));
 105         memset(cl_lightstyle, 0, sizeof(cl_lightstyle));
 106         memset(cl_temp_entities, 0, sizeof(cl_temp_entities));
 107         memset(cl_beams, 0, sizeof(cl_beams));
 108         memset(cl_dlights, 0, sizeof(cl_dlights));
 109         memset(cl_effect, 0, sizeof(cl_effect));
 110         CL_Screen_NewMap();
 111         CL_Particles_Clear();
 112         // LordHavoc: have to set up the baseline info for alpha and other stuff
 113         for (i = 0;i < MAX_EDICTS;i++)
 114         {
 115                 ClearStateToDefault(&cl_entities[i].state_baseline);
 116                 ClearStateToDefault(&cl_entities[i].state_previous);
 117                 ClearStateToDefault(&cl_entities[i].state_current);
 118         }
 119
 120         CL_CGVM_Clear();
 121 }
 122
 123 void CL_LerpUpdate(entity_t *e)
 124 {
 125         entity_persistent_t *p;
 126         entity_render_t *r;
 127         p = &e->persistent;
 128         r = &e->render;
 129
 130         if (p->modelindex != e->state_current.modelindex)
 131         {
 132                 // reset all interpolation information
 133                 p->modelindex = e->state_current.modelindex;
 134                 p->frame1 = p->frame2 = e->state_current.frame;
 135                 p->frame1time = p->frame2time = cl.time;
 136                 p->framelerp = 1;
 137         }
 138         else if (p->frame2 != e->state_current.frame)
 139         {
 140                 // transition to new frame
 141                 p->frame1 = p->frame2;
 142                 p->frame1time = p->frame2time;
 143                 p->frame2 = e->state_current.frame;
 144                 p->frame2time = cl.time;
 145                 p->framelerp = 0;
 146         }
 147         else
 148         {
 149                 // update transition
 150                 p->framelerp = (cl.time - p->frame2time) * 10;
 151                 p->framelerp = bound(0, p->framelerp, 1);
 152         }
 153
 154         r->model = cl.model_precache[e->state_current.modelindex];
 155         Mod_CheckLoaded(r->model);
 156         r->frame = e->state_current.frame;
 157         r->frame1 = p->frame1;
 158         r->frame2 = p->frame2;
 159         r->framelerp = p->framelerp;
 160         r->frame1time = p->frame1time;
 161         r->frame2time = p->frame2time;
 162 }
 163
 164 /*
 165 =====================
 166 CL_Disconnect
 167
 168 Sends a disconnect message to the server
 169 This is also called on Host_Error, so it shouldn't cause any errors
 170 =====================
 171 */
 172 void CL_Disconnect (void)
 173 {
 174         if (cls.state == ca_dedicated)
 175                 return;
 176
 177 // stop sounds (especially looping!)
 178         S_StopAllSounds (true);
 179
 180         // clear contents blends
 181         cl.cshifts[0].percent = 0;
 182         cl.cshifts[1].percent = 0;
 183         cl.cshifts[2].percent = 0;
 184         cl.cshifts[3].percent = 0;
 185
 186         cl.worldmodel = NULL;
 187
 188         if (cls.demoplayback)
 189                 CL_StopPlayback ();
 190         else if (cls.state == ca_connected)
 191         {
 192                 if (cls.demorecording)
 193                         CL_Stop_f ();
 194
 195                 Con_DPrintf ("Sending clc_disconnect\n");
 196                 SZ_Clear (&cls.message);
 197                 MSG_WriteByte (&cls.message, clc_disconnect);
 198                 NET_SendUnreliableMessage (cls.netcon, &cls.message);
 199                 SZ_Clear (&cls.message);
 200                 NET_Close (cls.netcon);
 201                 cls.state = ca_disconnected; // prevent this code from executing again during Host_ShutdownServer
 202                 // if running a local server, shut it down
 203                 if (sv.active)
 204                         Host_ShutdownServer(false);
 205         }
 206         cls.state = ca_disconnected;
 207
 208         cls.demoplayback = cls.timedemo = false;
 209         cls.signon = 0;
 210 }
 211
 212 void CL_Disconnect_f (void)
 213 {
 214         CL_Disconnect ();
 215         if (sv.active)
 216                 Host_ShutdownServer (false);
 217 }
 218
 219
 220
 221
 222 /*
 223 =====================
 224 CL_EstablishConnection
 225
 226 Host should be either "local" or a net address to be passed on
 227 =====================
 228 */
 229 void CL_EstablishConnection (char *host)
 230 {
 231         if (cls.state == ca_dedicated)
 232                 return;
 233
 234         if (cls.demoplayback)
 235                 return;
 236
 237         CL_Disconnect ();
 238
 239         cls.netcon = NET_Connect (host);
 240         if (!cls.netcon)
 241                 Host_Error ("CL_Connect: connect failed\n");
 242         Con_DPrintf ("CL_EstablishConnection: connected to %s\n", host);
 243
 244         cls.demonum = -1;                       // not in the demo loop now
 245         cls.state = ca_connected;
 246         cls.signon = 0;                         // need all the signon messages before playing
 247
 248         CL_ClearState ();
 249 }
 250
 251 /*
 252 ==============
 253 CL_PrintEntities_f
 254 ==============
 255 */
 256 static void CL_PrintEntities_f (void)
 257 {
 258         entity_t        *ent;
 259         int                     i, j;
 260         char            name[32];
 261
 262         for (i = 0, ent = cl_entities;i < MAX_EDICTS /*cl.num_entities*/;i++, ent++)
 263         {
 264                 if (!ent->state_current.active)
 265                         continue;
 266                 if (!ent->render.model)
 267                         continue;
 268
 269                 Con_Printf ("%3i:", i);
 270                 if (!ent->render.model)
 271                 {
 272                         Con_Printf ("EMPTY\n");
 273                         continue;
 274                 }
 275                 strncpy(name, ent->render.model->name, 25);
 276                 name[25] = 0;
 277                 for (j = strlen(name);j < 25;j++)
 278                         name[j] = ' ';
 279                 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);
 280         }
 281 }
 282
 283
 284 /*
 285 ===============
 286 CL_LerpPoint
 287
 288 Determines the fraction between the last two messages that the objects
 289 should be put at.
 290 ===============
 291 */
 292 static float CL_LerpPoint (void)
 293 {
 294         float   f;
 295
 296         // dropped packet, or start of demo
 297         if (cl.mtime[1] < cl.mtime[0] - 0.1)
 298                 cl.mtime[1] = cl.mtime[0] - 0.1;
 299
 300         cl.time = bound(cl.mtime[1], cl.time, cl.mtime[0]);
 301
 302         // LordHavoc: lerp in listen games as the server is being capped below the client (usually)
 303         f = cl.mtime[0] - cl.mtime[1];
 304         if (!f || cl_nolerp.integer || cls.timedemo || (sv.active && svs.maxclients == 1))
 305         {
 306                 cl.time = cl.mtime[0];
 307                 return 1;
 308         }
 309
 310         f = (cl.time - cl.mtime[1]) / f;
 311         return bound(0, f, 1);
 312 }
 313
 314 static void CL_RelinkStaticEntities(void)
 315 {
 316         int i;
 317         for (i = 0;i < cl.num_statics && r_refdef.numentities < MAX_VISEDICTS;i++)
 318         {
 319                 Mod_CheckLoaded(cl_static_entities[i].render.model);
 320                 r_refdef.entities[r_refdef.numentities++] = &cl_static_entities[i].render;
 321         }
 322 }
 323
 324 /*
 325 ===============
 326 CL_RelinkEntities
 327 ===============
 328 */
 329 static void CL_RelinkNetworkEntities()
 330 {
 331         entity_t        *ent;
 332         int                     i, glowcolor, effects;
 333         float           f, d, bobjrotate, bobjoffset, dlightradius, glowsize, lerp;
 334         vec3_t          oldorg, neworg, delta, dlightcolor;
 335
 336         bobjrotate = ANGLEMOD(100*cl.time);
 337         if (cl_itembobheight.value)
 338                 bobjoffset = (cos(cl.time * cl_itembobspeed.value * (2.0 * M_PI)) + 1.0) * 0.5 * cl_itembobheight.value;
 339         else
 340                 bobjoffset = 0;
 341
 342 // start on the entity after the world
 343         for (i = 1, ent = cl_entities + 1;i < MAX_EDICTS /*cl.num_entities*/;i++, ent++)
 344         {
 345                 // if the object wasn't included in the latest packet, remove it
 346                 if (!ent->state_current.active)
 347                         continue;
 348
 349                 VectorCopy(ent->persistent.trail_origin, oldorg);
 350
 351                 if (!ent->state_previous.active)
 352                 {
 353                         // only one state available
 354                         lerp = 1;
 355                         VectorCopy (ent->state_current.origin, oldorg); // skip trails
 356                         VectorCopy (ent->state_current.origin, neworg);
 357                         VectorCopy (ent->state_current.angles, ent->render.angles);
 358
 359                         /*
 360                         // monster interpolation
 361                         ent->persistent.steplerptime = 0;
 362                         VectorCopy(ent->state_current.origin, ent->persistent.stepoldorigin);
 363                         VectorCopy(ent->state_current.angles, ent->persistent.stepoldangles);
 364                         VectorCopy(ent->state_current.origin, ent->persistent.steporigin);
 365                         VectorCopy(ent->state_current.angles, ent->persistent.stepangles);
 366                         */
 367                 }
 368                 /*
 369                 else if ((ent->state_current.flags & ent->state_previous.flags) & ENTFLAG_STEP)
 370                 {
 371                         if (ent->state_current.origin[0] != ent->persistent.steporigin[0]
 372                          || ent->state_current.origin[1] != ent->persistent.steporigin[1]
 373                          || ent->state_current.origin[2] != ent->persistent.steporigin[2]
 374                          || ent->state_current.angles[0] != ent->persistent.stepangles[0]
 375                          || ent->state_current.angles[1] != ent->persistent.stepangles[1]
 376                          || ent->state_current.angles[2] != ent->persistent.stepangles[2])
 377                         {
 378                                 // update lerp positions
 379                                 ent->clientpersistent.steplerptime = sv.time;
 380                                 VectorCopy(ent->steporigin, ent->stepoldorigin);
 381                                 VectorCopy(ent->stepangles, ent->stepoldangles);
 382                                 VectorCopy(ent->v.origin, ent->steporigin);
 383                                 VectorCopy(ent->v.angles, ent->stepangles);
 384                         }
 385                         lerp = (cl.time - ent->persistent.steplerptime) * 10.0;
 386                         if (lerp < 1)
 387                         {
 388                                 // origin
 389                                 VectorSubtract(ent->persistent.steporigin, ent->persistent.stepoldorigin, delta);
 390                                 VectorMA(ent->persistent.stepoldorigin, lerp, delta, neworg);
 391
 392                                 // angles
 393                                 VectorSubtract(ent->persistent.stepangles, ent->persistent.stepoldangles, delta);
 394                                 // choose shortest rotate (to avoid 'spin around' situations)
 395                                 if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
 396                                 if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
 397                                 if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
 398                                 VectorMA(ent->stepoldangles, lerp, delta, ent->render.angles);
 399                         }
 400                         else
 401                         {
 402                                 VectorCopy(ent->persistent.steporigin, neworg);
 403                                 VectorCopy(ent->persistent.stepangles, ent->render.angles);
 404                         }
 405                 }
 406                 */
 407                 else
 408                 {
 409                         /*
 410                         // monster interpolation
 411                         ent->persistent.steplerptime = 0;
 412                         VectorCopy(ent->state_current.origin, ent->persistent.stepoldorigin);
 413                         VectorCopy(ent->state_current.angles, ent->persistent.stepoldangles);
 414                         VectorCopy(ent->state_current.origin, ent->persistent.steporigin);
 415                         VectorCopy(ent->state_current.angles, ent->persistent.stepangles);
 416                         */
 417
 418                         // if the delta is large, assume a teleport and don't lerp
 419                         VectorSubtract(ent->state_current.origin, ent->state_previous.origin, delta);
 420                         // LordHavoc: increased tolerance from 100 to 200, and now to 1000
 421                         if ((sv.active && svs.maxclients == 1 && !(ent->state_current.flags & RENDER_STEP)) || cls.timedemo || DotProduct(delta, delta) > 1000*1000 || cl_nolerp.integer)
 422                                 lerp = 1;
 423                         else
 424                         {
 425                                 f = ent->state_current.time - ent->state_previous.time;
 426                                 if (f > 0)
 427                                         lerp = (cl.time - ent->state_previous.time) / f;
 428                                 else
 429                                         lerp = 1;
 430                         }
 431                         if (lerp >= 1)
 432                         {
 433                                 // no interpolation
 434                                 VectorCopy (ent->state_current.origin, neworg);
 435                                 VectorCopy (ent->state_current.angles, ent->render.angles);
 436                         }
 437                         else
 438                         {
 439                                 // interpolate the origin and angles
 440                                 VectorMA(ent->state_previous.origin, lerp, delta, neworg);
 441                                 VectorSubtract(ent->state_current.angles, ent->state_previous.angles, delta);
 442                                 if (delta[0] < -180) delta[0] += 360;else if (delta[0] >= 180) delta[0] -= 360;
 443                                 if (delta[1] < -180) delta[1] += 360;else if (delta[1] >= 180) delta[1] -= 360;
 444                                 if (delta[2] < -180) delta[2] += 360;else if (delta[2] >= 180) delta[2] -= 360;
 445                                 VectorMA(ent->state_previous.angles, lerp, delta, ent->render.angles);
 446                         }
 447                 }
 448
 449                 VectorCopy (neworg, ent->persistent.trail_origin);
 450                 // persistent.modelindex will be updated by CL_LerpUpdate
 451                 if (ent->state_current.modelindex != ent->persistent.modelindex)
 452                         VectorCopy(neworg, oldorg);
 453
 454                 VectorCopy (neworg, ent->render.origin);
 455                 ent->render.flags = ent->state_current.flags;
 456                 ent->render.effects = effects = ent->state_current.effects;
 457                 if (cl.scores == NULL || !ent->state_current.colormap)
 458                         ent->render.colormap = -1; // no special coloring
 459                 else
 460                         ent->render.colormap = cl.scores[ent->state_current.colormap - 1].colors; // color it
 461                 ent->render.skinnum = ent->state_current.skin;
 462                 ent->render.alpha = ent->state_current.alpha * (1.0f / 255.0f); // FIXME: interpolate?
 463                 ent->render.scale = ent->state_current.scale * (1.0f / 16.0f); // FIXME: interpolate?
 464
 465                 // update interpolation info
 466                 CL_LerpUpdate(ent);
 467
 468                 // handle effects now...
 469                 dlightradius = 0;
 470                 dlightcolor[0] = 0;
 471                 dlightcolor[1] = 0;
 472                 dlightcolor[2] = 0;
 473
 474                 // LordHavoc: if the entity has no effects, don't check each
 475                 if (effects)
 476                 {
 477                         if (effects & EF_BRIGHTFIELD)
 478                                 CL_EntityParticles (ent);
 479                         if (effects & EF_MUZZLEFLASH)
 480                                 ent->persistent.muzzleflash = 100.0f;
 481                         if (effects & EF_DIMLIGHT)
 482                         {
 483                                 dlightcolor[0] += 200.0f;
 484                                 dlightcolor[1] += 200.0f;
 485                                 dlightcolor[2] += 200.0f;
 486                         }
 487                         if (effects & EF_BRIGHTLIGHT)
 488                         {
 489                                 dlightcolor[0] += 400.0f;
 490                                 dlightcolor[1] += 400.0f;
 491                                 dlightcolor[2] += 400.0f;
 492                         }
 493                         // LordHavoc: added EF_RED and EF_BLUE
 494                         if (effects & EF_RED) // red
 495                         {
 496                                 dlightcolor[0] += 200.0f;
 497                                 dlightcolor[1] +=  20.0f;
 498                                 dlightcolor[2] +=  20.0f;
 499                         }
 500                         if (effects & EF_BLUE) // blue
 501                         {
 502                                 dlightcolor[0] +=  20.0f;
 503                                 dlightcolor[1] +=  20.0f;
 504                                 dlightcolor[2] += 200.0f;
 505                         }
 506                         if (effects & EF_FLAME)
 507                         {
 508                                 if (ent->render.model)
 509                                 {
 510                                         vec3_t mins, maxs;
 511                                         int temp;
 512                                         /*
 513                                         if (ent->render.angles[0] || ent->render.angles[2])
 514                                         {
 515                                                 VectorMA(neworg, 0.25f, ent->render.model->rotatedmins, mins);
 516                                                 VectorMA(neworg, 0.25f, ent->render.model->rotatedmaxs, maxs);
 517                                         }
 518                                         else if (ent->render.angles[1])
 519                                         {
 520                                                 VectorMA(neworg, 0.25f, ent->render.model->yawmins, mins);
 521                                                 VectorMA(neworg, 0.25f, ent->render.model->yawmaxs, maxs);
 522                                         }
 523                                         else
 524                                         {
 525                                                 VectorMA(neworg, 0.25f, ent->render.model->normalmins, mins);
 526                                                 VectorMA(neworg, 0.25f, ent->render.model->normalmaxs, maxs);
 527                                         }
 528                                         */
 529                                         mins[0] = neworg[0] - 16.0f;
 530                                         mins[1] = neworg[1] - 16.0f;
 531                                         mins[2] = neworg[2] - 16.0f;
 532                                         maxs[0] = neworg[0] + 16.0f;
 533                                         maxs[1] = neworg[1] + 16.0f;
 534                                         maxs[2] = neworg[2] + 16.0f;
 535                                         // how many flames to make
 536                                         temp = (int) (cl.time * 300) - (int) (cl.oldtime * 300);
 537                                         CL_FlameCube(mins, maxs, temp);
 538                                 }
 539                                 d = lhrandom(200, 250);
 540                                 dlightcolor[0] += d * 1.0f;
 541                                 dlightcolor[1] += d * 0.7f;
 542                                 dlightcolor[2] += d * 0.3f;
 543                         }
 544                         if (effects & EF_STARDUST)
 545                         {
 546                                 if (ent->render.model)
 547                                 {
 548                                         vec3_t mins, maxs;
 549                                         int temp;
 550                                         /*
 551                                         if (ent->render.angles[0] || ent->render.angles[2])
 552                                         {
 553                                                 VectorMA(neworg, 0.25f, ent->render.model->rotatedmins, mins);
 554                                                 VectorMA(neworg, 0.25f, ent->render.model->rotatedmaxs, maxs);
 555                                         }
 556                                         else if (ent->render.angles[1])
 557                                         {
 558                                                 VectorMA(neworg, 0.25f, ent->render.model->yawmins, mins);
 559                                                 VectorMA(neworg, 0.25f, ent->render.model->yawmaxs, maxs);
 560                                         }
 561                                         else
 562                                         {
 563                                                 VectorMA(neworg, 0.25f, ent->render.model->normalmins, mins);
 564                                                 VectorMA(neworg, 0.25f, ent->render.model->normalmaxs, maxs);
 565                                         }
 566                                         */
 567                                         mins[0] = neworg[0] - 16.0f;
 568                                         mins[1] = neworg[1] - 16.0f;
 569                                         mins[2] = neworg[2] - 16.0f;
 570                                         maxs[0] = neworg[0] + 16.0f;
 571                                         maxs[1] = neworg[1] + 16.0f;
 572                                         maxs[2] = neworg[2] + 16.0f;
 573                                         // how many particles to make
 574                                         temp = (int) (cl.time * 200) - (int) (cl.oldtime * 200);
 575                                         CL_Stardust(mins, maxs, temp);
 576                                 }
 577                                 d = 100;
 578                                 dlightcolor[0] += d * 1.0f;
 579                                 dlightcolor[1] += d * 0.7f;
 580                                 dlightcolor[2] += d * 0.3f;
 581                         }
 582                 }
 583
 584                 if (ent->persistent.muzzleflash > 0)
 585                 {
 586                         vec3_t v, v2;
 587
 588                         AngleVectors (ent->render.angles, v, NULL, NULL);
 589
 590                         v2[0] = v[0] * 18 + neworg[0];
 591                         v2[1] = v[1] * 18 + neworg[1];
 592                         v2[2] = v[2] * 18 + neworg[2] + 16;
 593                         CL_TraceLine(neworg, v2, v, NULL, 0, true);
 594
 595                         CL_AllocDlight (NULL, v, ent->persistent.muzzleflash, 1, 1, 1, 0, 0);
 596                         ent->persistent.muzzleflash -= cl.frametime * 1000;
 597                 }
 598
 599                 // LordHavoc: if the model has no flags, don't check each
 600                 if (ent->render.model && ent->render.model->flags)
 601                 {
 602                         if (ent->render.model->flags & EF_ROTATE)
 603                         {
 604                                 ent->render.angles[1] = bobjrotate;
 605                                 ent->render.origin[2] += bobjoffset;
 606                         }
 607                         // only do trails if present in the previous frame as well
 608                         if (ent->state_previous.active)
 609                         {
 610                                 if (ent->render.model->flags & EF_GIB)
 611                                         CL_RocketTrail (oldorg, neworg, 2, ent);
 612                                 else if (ent->render.model->flags & EF_ZOMGIB)
 613                                         CL_RocketTrail (oldorg, neworg, 4, ent);
 614                                 else if (ent->render.model->flags & EF_TRACER)
 615                                         CL_RocketTrail (oldorg, neworg, 3, ent);
 616                                 else if (ent->render.model->flags & EF_TRACER2)
 617                                         CL_RocketTrail (oldorg, neworg, 5, ent);
 618                                 else if (ent->render.model->flags & EF_ROCKET)
 619                                 {
 620                                         CL_RocketTrail (oldorg, ent->render.origin, 0, ent);
 621                                         dlightcolor[0] += 200.0f;
 622                                         dlightcolor[1] += 160.0f;
 623                                         dlightcolor[2] +=  80.0f;
 624                                 }
 625                                 else if (ent->render.model->flags & EF_GRENADE)
 626                                 {
 627                                         if (ent->render.alpha == -1) // LordHavoc: Nehahra dem compatibility
 628                                                 CL_RocketTrail (oldorg, neworg, 7, ent);
 629                                         else
 630                                                 CL_RocketTrail (oldorg, neworg, 1, ent);
 631                                 }
 632                                 else if (ent->render.model->flags & EF_TRACER3)
 633                                         CL_RocketTrail (oldorg, neworg, 6, ent);
 634                         }
 635                 }
 636                 // LordHavoc: customizable glow
 637                 glowsize = ent->state_current.glowsize; // FIXME: interpolate?
 638                 glowcolor = ent->state_current.glowcolor;
 639                 if (glowsize)
 640                 {
 641                         qbyte *tempcolor = (qbyte *)&d_8to24table[glowcolor];
 642                         // * 4 for the expansion from 0-255 to 0-1023 range,
 643                         // / 255 to scale down byte colors
 644                         glowsize *= (4.0f / 255.0f);
 645                         VectorMA(dlightcolor, glowsize, tempcolor, dlightcolor);
 646                 }
 647                 // LordHavoc: customizable trail
 648                 if (ent->render.flags & RENDER_GLOWTRAIL)
 649                         CL_RocketTrail2 (oldorg, neworg, glowcolor, ent);
 650
 651                 if (dlightcolor[0] || dlightcolor[1] || dlightcolor[2])
 652                 {
 653                         vec3_t vec;
 654                         VectorCopy(neworg, vec);
 655                         // hack to make glowing player light shine on their gun
 656                         if (i == cl.viewentity && !chase_active.integer)
 657                                 vec[2] += 30;
 658                         CL_AllocDlight (/*&ent->render*/ NULL, vec, 1, dlightcolor[0], dlightcolor[1], dlightcolor[2], 0, 0);
 659                 }
 660
 661                 if (chase_active.integer)
 662                 {
 663                         if (ent->render.flags & RENDER_VIEWMODEL)
 664                                 continue;
 665                 }
 666                 else
 667                 {
 668                         if (i == cl.viewentity || (ent->render.flags & RENDER_EXTERIORMODEL))
 669                                 continue;
 670                 }
 671
 672                 if (ent->render.model == NULL)
 673                         continue;
 674                 if (effects & EF_NODRAW)
 675                         continue;
 676                 if (r_refdef.numentities < MAX_VISEDICTS)
 677                         r_refdef.entities[r_refdef.numentities++] = &ent->render;
 678         }
 679 }
 680
 681 void CL_LerpPlayer(float frac)
 682 {
 683         int i;
 684         float d;
 685
 686         if (cl.entitydatabase.numframes)
 687         {
 688                 cl.viewentorigin[0] = cl.viewentoriginold[0] + frac * (cl.viewentoriginnew[0] - cl.viewentoriginold[0]);
 689                 cl.viewentorigin[1] = cl.viewentoriginold[1] + frac * (cl.viewentoriginnew[1] - cl.viewentoriginold[1]);
 690                 cl.viewentorigin[2] = cl.viewentoriginold[2] + frac * (cl.viewentoriginnew[2] - cl.viewentoriginold[2]);
 691         }
 692         else
 693                 VectorCopy (cl_entities[cl.viewentity].render.origin, cl.viewentorigin);
 694
 695         cl.viewzoom = cl.viewzoomold + frac * (cl.viewzoomnew - cl.viewzoomold);
 696
 697         for (i = 0;i < 3;i++)
 698                 cl.velocity[i] = cl.mvelocity[1][i] + frac * (cl.mvelocity[0][i] - cl.mvelocity[1][i]);
 699
 700         if (cls.demoplayback)
 701         {
 702                 // interpolate the angles
 703                 for (i = 0;i < 3;i++)
 704                 {
 705                         d = cl.mviewangles[0][i] - cl.mviewangles[1][i];
 706                         if (d > 180)
 707                                 d -= 360;
 708                         else if (d < -180)
 709                                 d += 360;
 710                         cl.viewangles[i] = cl.mviewangles[1][i] + frac*d;
 711                 }
 712         }
 713 }
 714
 715 void CL_Effect(vec3_t org, int modelindex, int startframe, int framecount, float framerate)
 716 {
 717         int i;
 718         cl_effect_t *e;
 719         if (!modelindex) // sanity check
 720                 return;
 721         for (i = 0, e = cl_effect;i < MAX_EFFECTS;i++, e++)
 722         {
 723                 if (e->active)
 724                         continue;
 725                 e->active = true;
 726                 VectorCopy(org, e->origin);
 727                 e->modelindex = modelindex;
 728                 e->starttime = cl.time;
 729                 e->startframe = startframe;
 730                 e->endframe = startframe + framecount;
 731                 e->framerate = framerate;
 732
 733                 e->frame = 0;
 734                 e->frame1time = cl.time;
 735                 e->frame2time = cl.time;
 736                 break;
 737         }
 738 }
 739
 740 static void CL_RelinkEffects()
 741 {
 742         int i, intframe;
 743         cl_effect_t *e;
 744         entity_t *vis;
 745         float frame;
 746
 747         for (i = 0, e = cl_effect;i < MAX_EFFECTS;i++, e++)
 748         {
 749                 if (e->active)
 750                 {
 751                         frame = (cl.time - e->starttime) * e->framerate + e->startframe;
 752                         intframe = frame;
 753                         if (intframe < 0 || intframe >= e->endframe)
 754                         {
 755                                 e->active = false;
 756                                 memset(e, 0, sizeof(*e));
 757                                 continue;
 758                         }
 759
 760                         if (intframe != e->frame)
 761                         {
 762                                 e->frame = intframe;
 763                                 e->frame1time = e->frame2time;
 764                                 e->frame2time = cl.time;
 765                         }
 766
 767                         if ((vis = CL_NewTempEntity()))
 768                         {
 769                                 // interpolation stuff
 770                                 vis->render.frame1 = intframe;
 771                                 vis->render.frame2 = intframe + 1;
 772                                 if (vis->render.frame2 >= e->endframe)
 773                                         vis->render.frame2 = -1; // disappear
 774                                 vis->render.framelerp = frame - intframe;
 775                                 vis->render.frame1time = e->frame1time;
 776                                 vis->render.frame2time = e->frame2time;
 777
 778                                 // normal stuff
 779                                 VectorCopy(e->origin, vis->render.origin);
 780                                 vis->render.model = cl.model_precache[e->modelindex];
 781                                 vis->render.frame = vis->render.frame2;
 782                                 vis->render.colormap = -1; // no special coloring
 783                                 vis->render.scale = 1;
 784                                 vis->render.alpha = 1;
 785                         }
 786                 }
 787         }
 788 }
 789
 790 void CL_RelinkEntities (void)
 791 {
 792         float frac;
 793
 794         // fraction from previous network update to current
 795         frac = CL_LerpPoint ();
 796
 797         CL_DecayLights ();
 798         CL_RelinkStaticEntities();
 799         CL_RelinkNetworkEntities();
 800         CL_TraceLine_ScanForBModels();
 801         CL_RelinkEffects();
 802         CL_MoveParticles();
 803         CL_UpdateTEnts();
 804
 805         CL_LerpPlayer(frac);
 806 }
 807
 808
 809 /*
 810 ===============
 811 CL_ReadFromServer
 812
 813 Read all incoming data from the server
 814 ===============
 815 */
 816 int CL_ReadFromServer (void)
 817 {
 818         int ret, netshown;
 819
 820         cl.oldtime = cl.time;
 821         cl.time += cl.frametime;
 822
 823         netshown = false;
 824         do
 825         {
 826                 ret = CL_GetMessage ();
 827                 if (ret == -1)
 828                         Host_Error ("CL_ReadFromServer: lost server connection");
 829                 if (!ret)
 830                         break;
 831
 832                 cl.last_received_message = realtime;
 833
 834                 if (cl_shownet.integer)
 835                         netshown = true;
 836
 837                 CL_ParseServerMessage ();
 838         }
 839         while (ret && cls.state == ca_connected);
 840
 841         if (netshown)
 842                 Con_Printf ("\n");
 843
 844         r_refdef.numentities = 0;
 845         if (cls.state == ca_connected && cl.worldmodel)
 846         {
 847                 CL_RelinkEntities ();
 848
 849                 // run cgame code (which can add more entities)
 850                 CL_CGVM_Frame();
 851         }
 852
 853 //
 854 // bring the links up to date
 855 //
 856         return 0;
 857 }
 858
 859 /*
 860 =================
 861 CL_SendCmd
 862 =================
 863 */
 864 void CL_SendCmd (void)
 865 {
 866         usercmd_t               cmd;
 867
 868         if (cls.state != ca_connected)
 869                 return;
 870
 871         if (cls.signon == SIGNONS)
 872         {
 873         // get basic movement from keyboard
 874                 CL_BaseMove (&cmd);
 875
 876                 IN_PreMove(); // OS independent code
 877
 878         // allow mice or other external controllers to add to the move
 879                 IN_Move (&cmd);
 880
 881                 IN_PostMove(); // OS independent code
 882
 883         // send the unreliable message
 884                 CL_SendMove (&cmd);
 885         }
 886 #ifndef NOROUTINGFIX
 887         else
 888         {
 889                 // LordHavoc: fix for NAT routing of netquake:
 890                 // bounce back a clc_nop message to the newly allocated server port,
 891                 // to establish a routing connection for incoming frames,
 892                 // the server waits for this before sending anything
 893                 if (realtime > cl.sendnoptime)
 894                 {
 895                         Con_DPrintf("sending clc_nop to get server's attention\n");
 896                         cl.sendnoptime = realtime + 3;
 897                         MSG_WriteByte(&cls.message, clc_nop);
 898                 }
 899         }
 900 #endif
 901
 902         if (cls.demoplayback)
 903         {
 904                 SZ_Clear (&cls.message);
 905                 return;
 906         }
 907
 908 // send the reliable message
 909         if (!cls.message.cursize)
 910                 return;         // no message at all
 911
 912         if (!NET_CanSendMessage (cls.netcon))
 913         {
 914                 Con_DPrintf ("CL_WriteToServer: can't send\n");
 915                 return;
 916         }
 917
 918         if (NET_SendMessage (cls.netcon, &cls.message) == -1)
 919                 Host_Error ("CL_WriteToServer: lost server connection");
 920
 921         SZ_Clear (&cls.message);
 922 }
 923
 924 // LordHavoc: pausedemo command
 925 static void CL_PauseDemo_f (void)
 926 {
 927         cls.demopaused = !cls.demopaused;
 928         if (cls.demopaused)
 929                 Con_Printf("Demo paused\n");
 930         else
 931                 Con_Printf("Demo unpaused\n");
 932 }
 933
 934 /*
 935 ======================
 936 CL_PModel_f
 937 LordHavoc: Intended for Nehahra, I personally think this is dumb, but Mindcrime won't listen.
 938 ======================
 939 */
 940 static void CL_PModel_f (void)
 941 {
 942         int i;
 943         eval_t *val;
 944
 945         if (Cmd_Argc () == 1)
 946         {
 947                 Con_Printf ("\"pmodel\" is \"%s\"\n", cl_pmodel.string);
 948                 return;
 949         }
 950         i = atoi(Cmd_Argv(1));
 951
 952         if (cmd_source == src_command)
 953         {
 954                 if (cl_pmodel.integer == i)
 955                         return;
 956                 Cvar_SetValue ("_cl_pmodel", i);
 957                 if (cls.state == ca_connected)
 958                         Cmd_ForwardToServer ();
 959                 return;
 960         }
 961
 962         host_client->pmodel = i;
 963         if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_pmodel)))
 964                 val->_float = i;
 965 }
 966
 967 /*
 968 ======================
 969 CL_Fog_f
 970 ======================
 971 */
 972 static void CL_Fog_f (void)
 973 {
 974         if (Cmd_Argc () == 1)
 975         {
 976                 Con_Printf ("\"fog\" is \"%f %f %f %f\"\n", fog_density, fog_red, fog_green, fog_blue);
 977                 return;
 978         }
 979         fog_density = atof(Cmd_Argv(1));
 980         fog_red = atof(Cmd_Argv(2));
 981         fog_green = atof(Cmd_Argv(3));
 982         fog_blue = atof(Cmd_Argv(4));
 983 }
 984
 985 /*
 986 =================
 987 CL_Init
 988 =================
 989 */
 990 void CL_Init (void)
 991 {
 992         cl_scores_mempool = Mem_AllocPool("client player info");
 993
 994         cl_refdef_mempool = Mem_AllocPool("refdef");
 995         memset(&r_refdef, 0, sizeof(r_refdef));
 996         r_refdef.entities = Mem_Alloc(cl_refdef_mempool, sizeof(entity_render_t *) * MAX_VISEDICTS);
 997
 998         SZ_Alloc (&cls.message, 1024, "cls.message");
 999
1000         CL_InitInput ();
1001         CL_InitTEnts ();
1002
1003 //
1004 // register our commands
1005 //
1006         Cvar_RegisterVariable (&cl_name);
1007         Cvar_RegisterVariable (&cl_color);
1008         if (gamemode == GAME_NEHAHRA)
1009                 Cvar_RegisterVariable (&cl_pmodel);
1010         Cvar_RegisterVariable (&cl_upspeed);
1011         Cvar_RegisterVariable (&cl_forwardspeed);
1012         Cvar_RegisterVariable (&cl_backspeed);
1013         Cvar_RegisterVariable (&cl_sidespeed);
1014         Cvar_RegisterVariable (&cl_movespeedkey);
1015         Cvar_RegisterVariable (&cl_yawspeed);
1016         Cvar_RegisterVariable (&cl_pitchspeed);
1017         Cvar_RegisterVariable (&cl_anglespeedkey);
1018         Cvar_RegisterVariable (&cl_shownet);
1019         Cvar_RegisterVariable (&cl_nolerp);
1020         Cvar_RegisterVariable (&lookspring);
1021         Cvar_RegisterVariable (&lookstrafe);
1022         Cvar_RegisterVariable (&sensitivity);
1023         Cvar_RegisterVariable (&freelook);
1024
1025         Cvar_RegisterVariable (&m_pitch);
1026         Cvar_RegisterVariable (&m_yaw);
1027         Cvar_RegisterVariable (&m_forward);
1028         Cvar_RegisterVariable (&m_side);
1029
1030         Cvar_RegisterVariable (&cl_itembobspeed);
1031         Cvar_RegisterVariable (&cl_itembobheight);
1032
1033         Cmd_AddCommand ("entities", CL_PrintEntities_f);
1034         Cmd_AddCommand ("bitprofile", CL_BitProfile_f);
1035         Cmd_AddCommand ("disconnect", CL_Disconnect_f);
1036         Cmd_AddCommand ("record", CL_Record_f);
1037         Cmd_AddCommand ("stop", CL_Stop_f);
1038         Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
1039         Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
1040
1041         Cmd_AddCommand ("fog", CL_Fog_f);
1042
1043         // LordHavoc: added pausedemo
1044         Cmd_AddCommand ("pausedemo", CL_PauseDemo_f);
1045         if (gamemode == GAME_NEHAHRA)
1046                 Cmd_AddCommand ("pmodel", CL_PModel_f);
1047
1048         Cvar_RegisterVariable(&cl_draweffects);
1049
1050         CL_Parse_Init();
1051         CL_Particles_Init();
1052         CL_Screen_Init();
1053         CL_CGVM_Init();
1054 }