sv_user.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // sv_user.c -- server code for moving users
  21
  22 #include "quakedef.h"
  23
  24 cvar_t sv_edgefriction = {0, "edgefriction", "2"};
  25 cvar_t sv_deltacompress = {0, "sv_deltacompress", "1"};
  26 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8"};
  27 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320"};
  28 cvar_t sv_maxairspeed = {0, "sv_maxairspeed", "30"};
  29 cvar_t sv_accelerate = {0, "sv_accelerate", "10"};
  30
  31 static usercmd_t cmd;
  32
  33
  34 /*
  35 ===============
  36 SV_SetIdealPitch
  37 ===============
  38 */
  39 #define MAX_FORWARD     6
  40 void SV_SetIdealPitch (void)
  41 {
  42         float   angleval, sinval, cosval;
  43         trace_t tr;
  44         vec3_t  top, bottom;
  45         float   z[MAX_FORWARD];
  46         int             i, j;
  47         int             step, dir, steps;
  48
  49         if (!((int)host_client->edict->fields.server->flags & FL_ONGROUND))
  50                 return;
  51
  52         angleval = host_client->edict->fields.server->angles[YAW] * M_PI*2 / 360;
  53         sinval = sin(angleval);
  54         cosval = cos(angleval);
  55
  56         for (i=0 ; i<MAX_FORWARD ; i++)
  57         {
  58                 top[0] = host_client->edict->fields.server->origin[0] + cosval*(i+3)*12;
  59                 top[1] = host_client->edict->fields.server->origin[1] + sinval*(i+3)*12;
  60                 top[2] = host_client->edict->fields.server->origin[2] + host_client->edict->fields.server->view_ofs[2];
  61
  62                 bottom[0] = top[0];
  63                 bottom[1] = top[1];
  64                 bottom[2] = top[2] - 160;
  65
  66                 tr = SV_Move (top, vec3_origin, vec3_origin, bottom, MOVE_NOMONSTERS, host_client->edict);
  67                 // if looking at a wall, leave ideal the way is was
  68                 if (tr.startsolid)
  69                         return;
  70
  71                 // near a dropoff
  72                 if (tr.fraction == 1)
  73                         return;
  74
  75                 z[i] = top[2] + tr.fraction*(bottom[2]-top[2]);
  76         }
  77
  78         dir = 0;
  79         steps = 0;
  80         for (j=1 ; j<i ; j++)
  81         {
  82                 step = z[j] - z[j-1];
  83                 if (step > -ON_EPSILON && step < ON_EPSILON)
  84                         continue;
  85
  86                 // mixed changes
  87                 if (dir && ( step-dir > ON_EPSILON || step-dir < -ON_EPSILON ) )
  88                         return;
  89
  90                 steps++;
  91                 dir = step;
  92         }
  93
  94         if (!dir)
  95         {
  96                 host_client->edict->fields.server->idealpitch = 0;
  97                 return;
  98         }
  99
 100         if (steps < 2)
 101                 return;
 102         host_client->edict->fields.server->idealpitch = -dir * sv_idealpitchscale.value;
 103 }
 104
 105 #if 1
 106 static vec3_t wishdir, forward, right, up;
 107 static float wishspeed;
 108
 109 static qboolean onground;
 110
 111 /*
 112 ==================
 113 SV_UserFriction
 114
 115 ==================
 116 */
 117 void SV_UserFriction (void)
 118 {
 119         float speed, newspeed, control, friction;
 120         vec3_t start, stop;
 121         trace_t trace;
 122
 123         speed = sqrt(host_client->edict->fields.server->velocity[0]*host_client->edict->fields.server->velocity[0]+host_client->edict->fields.server->velocity[1]*host_client->edict->fields.server->velocity[1]);
 124         if (!speed)
 125                 return;
 126
 127         // if the leading edge is over a dropoff, increase friction
 128         start[0] = stop[0] = host_client->edict->fields.server->origin[0] + host_client->edict->fields.server->velocity[0]/speed*16;
 129         start[1] = stop[1] = host_client->edict->fields.server->origin[1] + host_client->edict->fields.server->velocity[1]/speed*16;
 130         start[2] = host_client->edict->fields.server->origin[2] + host_client->edict->fields.server->mins[2];
 131         stop[2] = start[2] - 34;
 132
 133         trace = SV_Move (start, vec3_origin, vec3_origin, stop, MOVE_NOMONSTERS, host_client->edict);
 134
 135         if (trace.fraction == 1.0)
 136                 friction = sv_friction.value*sv_edgefriction.value;
 137         else
 138                 friction = sv_friction.value;
 139
 140         // apply friction
 141         control = speed < sv_stopspeed.value ? sv_stopspeed.value : speed;
 142         newspeed = speed - sv.frametime*control*friction;
 143
 144         if (newspeed < 0)
 145                 newspeed = 0;
 146         else
 147                 newspeed /= speed;
 148
 149         VectorScale(host_client->edict->fields.server->velocity, newspeed, host_client->edict->fields.server->velocity);
 150 }
 151
 152 /*
 153 ==============
 154 SV_Accelerate
 155 ==============
 156 */
 157 void SV_Accelerate (void)
 158 {
 159         int i;
 160         float addspeed, accelspeed, currentspeed;
 161
 162         currentspeed = DotProduct (host_client->edict->fields.server->velocity, wishdir);
 163         addspeed = wishspeed - currentspeed;
 164         if (addspeed <= 0)
 165                 return;
 166         accelspeed = sv_accelerate.value*sv.frametime*wishspeed;
 167         if (accelspeed > addspeed)
 168                 accelspeed = addspeed;
 169
 170         for (i=0 ; i<3 ; i++)
 171                 host_client->edict->fields.server->velocity[i] += accelspeed*wishdir[i];
 172 }
 173
 174 void SV_AirAccelerate (vec3_t wishveloc)
 175 {
 176         int i;
 177         float addspeed, wishspd, accelspeed, currentspeed;
 178
 179         wishspd = VectorNormalizeLength (wishveloc);
 180         if (wishspd > sv_maxairspeed.value)
 181                 wishspd = sv_maxairspeed.value;
 182         currentspeed = DotProduct (host_client->edict->fields.server->velocity, wishveloc);
 183         addspeed = wishspd - currentspeed;
 184         if (addspeed <= 0)
 185                 return;
 186         accelspeed = sv_accelerate.value*wishspeed * sv.frametime;
 187         if (accelspeed > addspeed)
 188                 accelspeed = addspeed;
 189
 190         for (i=0 ; i<3 ; i++)
 191                 host_client->edict->fields.server->velocity[i] += accelspeed*wishveloc[i];
 192 }
 193
 194
 195 void DropPunchAngle (void)
 196 {
 197         float len;
 198         prvm_eval_t *val;
 199
 200         len = VectorNormalizeLength (host_client->edict->fields.server->punchangle);
 201
 202         len -= 10*sv.frametime;
 203         if (len < 0)
 204                 len = 0;
 205         VectorScale (host_client->edict->fields.server->punchangle, len, host_client->edict->fields.server->punchangle);
 206
 207         if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_punchvector)))
 208         {
 209                 len = VectorNormalizeLength (val->vector);
 210
 211                 len -= 20*sv.frametime;
 212                 if (len < 0)
 213                         len = 0;
 214                 VectorScale (val->vector, len, val->vector);
 215         }
 216 }
 217
 218 /*
 219 ===================
 220 SV_FreeMove
 221 ===================
 222 */
 223 void SV_FreeMove (void)
 224 {
 225         int i;
 226         float wishspeed;
 227
 228         AngleVectors (host_client->edict->fields.server->v_angle, forward, right, up);
 229
 230         for (i = 0; i < 3; i++)
 231                 host_client->edict->fields.server->velocity[i] = forward[i] * cmd.forwardmove + right[i] * cmd.sidemove;
 232
 233         host_client->edict->fields.server->velocity[2] += cmd.upmove;
 234
 235         wishspeed = VectorLength(host_client->edict->fields.server->velocity);
 236         if (wishspeed > sv_maxspeed.value)
 237                 VectorScale(host_client->edict->fields.server->velocity, sv_maxspeed.value / wishspeed, host_client->edict->fields.server->velocity);
 238 }
 239
 240 /*
 241 ===================
 242 SV_WaterMove
 243
 244 ===================
 245 */
 246 void SV_WaterMove (void)
 247 {
 248         int i;
 249         vec3_t wishvel;
 250         float speed, newspeed, wishspeed, addspeed, accelspeed, temp;
 251
 252         // user intentions
 253         AngleVectors (host_client->edict->fields.server->v_angle, forward, right, up);
 254
 255         for (i=0 ; i<3 ; i++)
 256                 wishvel[i] = forward[i]*cmd.forwardmove + right[i]*cmd.sidemove;
 257
 258         if (!cmd.forwardmove && !cmd.sidemove && !cmd.upmove)
 259                 wishvel[2] -= 60;               // drift towards bottom
 260         else
 261                 wishvel[2] += cmd.upmove;
 262
 263         wishspeed = VectorLength(wishvel);
 264         if (wishspeed > sv_maxspeed.value)
 265         {
 266                 temp = sv_maxspeed.value/wishspeed;
 267                 VectorScale (wishvel, temp, wishvel);
 268                 wishspeed = sv_maxspeed.value;
 269         }
 270         wishspeed *= 0.7;
 271
 272         // water friction
 273         speed = VectorLength(host_client->edict->fields.server->velocity);
 274         if (speed)
 275         {
 276                 newspeed = speed - sv.frametime * speed * sv_friction.value;
 277                 if (newspeed < 0)
 278                         newspeed = 0;
 279                 temp = newspeed/speed;
 280                 VectorScale(host_client->edict->fields.server->velocity, temp, host_client->edict->fields.server->velocity);
 281         }
 282         else
 283                 newspeed = 0;
 284
 285         // water acceleration
 286         if (!wishspeed)
 287                 return;
 288
 289         addspeed = wishspeed - newspeed;
 290         if (addspeed <= 0)
 291                 return;
 292
 293         VectorNormalize (wishvel);
 294         accelspeed = sv_accelerate.value * wishspeed * sv.frametime;
 295         if (accelspeed > addspeed)
 296                 accelspeed = addspeed;
 297
 298         for (i=0 ; i<3 ; i++)
 299                 host_client->edict->fields.server->velocity[i] += accelspeed * wishvel[i];
 300 }
 301
 302 void SV_WaterJump (void)
 303 {
 304         if (sv.time > host_client->edict->fields.server->teleport_time || !host_client->edict->fields.server->waterlevel)
 305         {
 306                 host_client->edict->fields.server->flags = (int)host_client->edict->fields.server->flags & ~FL_WATERJUMP;
 307                 host_client->edict->fields.server->teleport_time = 0;
 308         }
 309         host_client->edict->fields.server->velocity[0] = host_client->edict->fields.server->movedir[0];
 310         host_client->edict->fields.server->velocity[1] = host_client->edict->fields.server->movedir[1];
 311 }
 312
 313
 314 /*
 315 ===================
 316 SV_AirMove
 317
 318 ===================
 319 */
 320 void SV_AirMove (void)
 321 {
 322         int i;
 323         vec3_t wishvel;
 324         float fmove, smove, temp;
 325
 326         // LordHavoc: correct quake movement speed bug when looking up/down
 327         wishvel[0] = wishvel[2] = 0;
 328         wishvel[1] = host_client->edict->fields.server->angles[1];
 329         AngleVectors (wishvel, forward, right, up);
 330
 331         fmove = cmd.forwardmove;
 332         smove = cmd.sidemove;
 333
 334 // hack to not let you back into teleporter
 335         if (sv.time < host_client->edict->fields.server->teleport_time && fmove < 0)
 336                 fmove = 0;
 337
 338         for (i=0 ; i<3 ; i++)
 339                 wishvel[i] = forward[i]*fmove + right[i]*smove;
 340
 341         if ((int)host_client->edict->fields.server->movetype != MOVETYPE_WALK)
 342                 wishvel[2] += cmd.upmove;
 343
 344         VectorCopy (wishvel, wishdir);
 345         wishspeed = VectorNormalizeLength(wishdir);
 346         if (wishspeed > sv_maxspeed.value)
 347         {
 348                 temp = sv_maxspeed.value/wishspeed;
 349                 VectorScale (wishvel, temp, wishvel);
 350                 wishspeed = sv_maxspeed.value;
 351         }
 352
 353         if (host_client->edict->fields.server->movetype == MOVETYPE_NOCLIP)
 354         {
 355                 // noclip
 356                 VectorCopy (wishvel, host_client->edict->fields.server->velocity);
 357         }
 358         else if ( onground )
 359         {
 360                 SV_UserFriction ();
 361                 SV_Accelerate ();
 362         }
 363         else
 364         {
 365                 // not on ground, so little effect on velocity
 366                 SV_AirAccelerate (wishvel);
 367         }
 368 }
 369
 370 /*
 371 ===================
 372 SV_ClientThink
 373
 374 the move fields specify an intended velocity in pix/sec
 375 the angle fields specify an exact angular motion in degrees
 376 ===================
 377 */
 378 void SV_ClientThink (void)
 379 {
 380         vec3_t v_angle;
 381
 382         if (host_client->edict->fields.server->movetype == MOVETYPE_NONE)
 383                 return;
 384
 385         onground = (int)host_client->edict->fields.server->flags & FL_ONGROUND;
 386
 387         DropPunchAngle ();
 388
 389         // if dead, behave differently
 390         if (host_client->edict->fields.server->health <= 0)
 391                 return;
 392
 393         cmd = host_client->cmd;
 394
 395         // angles
 396         // show 1/3 the pitch angle and all the roll angle
 397         VectorAdd (host_client->edict->fields.server->v_angle, host_client->edict->fields.server->punchangle, v_angle);
 398         host_client->edict->fields.server->angles[ROLL] = V_CalcRoll (host_client->edict->fields.server->angles, host_client->edict->fields.server->velocity)*4;
 399         if (!host_client->edict->fields.server->fixangle)
 400         {
 401                 host_client->edict->fields.server->angles[PITCH] = -v_angle[PITCH]/3;
 402                 host_client->edict->fields.server->angles[YAW] = v_angle[YAW];
 403         }
 404
 405         if ( (int)host_client->edict->fields.server->flags & FL_WATERJUMP )
 406         {
 407                 SV_WaterJump ();
 408                 return;
 409         }
 410
 411         /*
 412         // Player is (somehow) outside of the map, or flying, or noclipping
 413         if (host_client->edict->fields.server->movetype != MOVETYPE_NOCLIP && (host_client->edict->fields.server->movetype == MOVETYPE_FLY || SV_TestEntityPosition (host_client->edict)))
 414         //if (host_client->edict->fields.server->movetype == MOVETYPE_NOCLIP || host_client->edict->fields.server->movetype == MOVETYPE_FLY || SV_TestEntityPosition (host_client->edict))
 415         {
 416                 SV_FreeMove ();
 417                 return;
 418         }
 419         */
 420
 421         // walk
 422         if ((host_client->edict->fields.server->waterlevel >= 2) && (host_client->edict->fields.server->movetype != MOVETYPE_NOCLIP))
 423         {
 424                 SV_WaterMove ();
 425                 return;
 426         }
 427
 428         SV_AirMove ();
 429 }
 430
 431 #else
 432
 433 extern cvar_t cl_rollspeed;
 434 extern cvar_t cl_rollangle;
 435 void SV_ClientThink(void)
 436 {
 437         int j;
 438         vec3_t wishvel, wishdir, v, v_forward, v_right, v_up, start, stop;
 439         float wishspeed, f, limit;
 440         trace_t trace;
 441
 442         if (host_client->edict->fields.server->movetype == MOVETYPE_NONE)
 443                 return;
 444
 445         f = DotProduct(host_client->edict->fields.server->punchangle, host_client->edict->fields.server->punchangle);
 446         if (f)
 447         {
 448                 limit = sqrt(f);
 449                 f = (limit - 10 * sv.frametime);
 450                 f /= limit;
 451                 f = max(0, f);
 452                 VectorScale(host_client->edict->fields.server->punchangle, f, host_client->edict->fields.server->punchangle);
 453         }
 454
 455         // if dead, behave differently
 456         if (host_client->edict->fields.server->health <= 0)
 457                 return;
 458
 459         AngleVectors(host_client->edict->fields.server->v_angle, v_forward, v_right, v_up);
 460         // show 1/3 the pitch angle and all the roll angle
 461         f = DotProduct(host_client->edict->fields.server->velocity, v_right) * (1.0 / cl_rollspeed.value);
 462         host_client->edict->fields.server->angles[2] = bound(-1, f, 1) * cl_rollangle.value * 4;
 463         if (!host_client->edict->fields.server->fixangle)
 464         {
 465                 host_client->edict->fields.server->angles[0] = (host_client->edict->fields.server->v_angle[0] + host_client->edict->fields.server->punchangle[0]) * -0.333;
 466                 host_client->edict->fields.server->angles[1] = host_client->edict->fields.server->v_angle[1] + host_client->edict->fields.server->punchangle[1];
 467         }
 468
 469         if ((int)host_client->edict->fields.server->flags & FL_WATERJUMP)
 470         {
 471                 host_client->edict->fields.server->velocity[0] = host_client->edict->fields.server->movedir[0];
 472                 host_client->edict->fields.server->velocity[1] = host_client->edict->fields.server->movedir[1];
 473                 if (sv.time > host_client->edict->fields.server->teleport_time || host_client->edict->fields.server->waterlevel == 0)
 474                 {
 475                         host_client->edict->fields.server->flags = (int)host_client->edict->fields.server->flags - ((int)host_client->edict->fields.server->flags & FL_WATERJUMP);
 476                         host_client->edict->fields.server->teleport_time = 0;
 477                 }
 478                 return;
 479         }
 480
 481         // swim
 482         if (host_client->edict->fields.server->waterlevel >= 2)
 483         if (host_client->edict->fields.server->movetype != MOVETYPE_NOCLIP)
 484         {
 485                 if (host_client->cmd.forwardmove == 0 && host_client->cmd.sidemove == 0 && host_client->cmd.upmove == 0)
 486                 {
 487                         // drift towards bottom
 488                         wishvel[0] = 0;
 489                         wishvel[1] = 0;
 490                         wishvel[2] = -60;
 491                 }
 492                 else
 493                 {
 494                         for (j = 0;j < 3;j++)
 495                                 wishvel[j] = v_forward[j] * host_client->cmd.forwardmove + v_right[j] * host_client->cmd.sidemove;
 496                         wishvel[2] += host_client->cmd.upmove;
 497                 }
 498
 499                 wishspeed = VectorLength(wishvel);
 500                 wishspeed = min(wishspeed, sv_maxspeed.value) * 0.7;
 501
 502                 // water friction
 503                 f = VectorLength(host_client->edict->fields.server->velocity) * (1 - sv.frametime * sv_friction.value);
 504                 if (f > 0)
 505                         f /= VectorLength(host_client->edict->fields.server->velocity);
 506                 else
 507                         f = 0;
 508                 VectorScale(host_client->edict->fields.server->velocity, f, host_client->edict->fields.server->velocity);
 509
 510                 // water acceleration
 511                 if (wishspeed <= f)
 512                         return;
 513
 514                 f = wishspeed - f;
 515                 limit = sv_accelerate.value * wishspeed * sv.frametime;
 516                 if (f > limit)
 517                         f = limit;
 518                 limit = VectorLength(wishvel);
 519                 if (limit)
 520                         f /= limit;
 521                 VectorMA(host_client->edict->fields.server->velocity, f, wishvel, host_client->edict->fields.server->velocity);
 522                 return;
 523         }
 524
 525         // if not flying, move horizontally only
 526         if (host_client->edict->fields.server->movetype != MOVETYPE_FLY)
 527         {
 528                 VectorClear(wishvel);
 529                 wishvel[1] = host_client->edict->fields.server->v_angle[1];
 530                 AngleVectors(wishvel, v_forward, v_right, v_up);
 531         }
 532
 533         // hack to not let you back into teleporter
 534         VectorScale(v_right, host_client->cmd.sidemove, wishvel);
 535         if (sv.time >= host_client->edict->fields.server->teleport_time || host_client->cmd.forwardmove > 0)
 536                 VectorMA(wishvel, host_client->cmd.forwardmove, v_forward, wishvel);
 537         if (host_client->edict->fields.server->movetype != MOVETYPE_WALK)
 538                 wishvel[2] += cmd.upmove;
 539
 540         VectorCopy(wishvel, wishdir);
 541         VectorNormalize(wishdir);
 542         wishspeed = VectorLength(wishvel);
 543         if (wishspeed > sv_maxspeed.value)
 544                 wishspeed = sv_maxspeed.value;
 545
 546         if (host_client->edict->fields.server->movetype == MOVETYPE_NOCLIP || host_client->edict->fields.server->movetype == MOVETYPE_FLY)
 547         {
 548                 VectorScale(wishdir, wishspeed, host_client->edict->fields.server->velocity);
 549                 return;
 550         }
 551
 552         if ((int)host_client->edict->fields.server->flags & FL_ONGROUND) // walking
 553         {
 554                 // friction
 555                 f = host_client->edict->fields.server->velocity[0] * host_client->edict->fields.server->velocity[0] + host_client->edict->fields.server->velocity[1] * host_client->edict->fields.server->velocity[1];
 556                 if (f)
 557                 {
 558                         f = sqrt(f);
 559                         VectorCopy(host_client->edict->fields.server->velocity, v);
 560                         v[2] = 0;
 561
 562                         // if the leading edge is over a dropoff, increase friction
 563                         limit = 16.0f / f;
 564                         VectorMA(host_client->edict->fields.server->origin, limit, v, v);
 565                         v[2] += host_client->edict->fields.server->mins[2];
 566
 567                         VectorCopy(v, start);
 568                         VectorCopy(v, stop);
 569                         stop[2] -= 34;
 570                         trace = SV_Move(start, vec3_origin, vec3_origin, stop, MOVE_NOMONSTERS, host_client->edict);
 571
 572                         // apply friction
 573                         if (f < sv_stopspeed.value)
 574                                 f = sv_stopspeed.value / f;
 575                         else
 576                                 f = 1;
 577                         if (trace.fraction == 1)
 578                                 f *= sv_edgefriction.value;
 579                         f = 1 - sv.frametime * f * sv_friction.value;
 580
 581                         if (f < 0)
 582                                 f = 0;
 583                         VectorScale(host_client->edict->fields.server->velocity, f, host_client->edict->fields.server->velocity);
 584                 }
 585         }
 586         else // airborn
 587                 wishspeed = min(wishspeed, 30);
 588
 589         // ground or air acceleration
 590         f = wishspeed - DotProduct(host_client->edict->fields.server->velocity, wishdir);
 591         if (f > 0)
 592         {
 593                 limit = sv_accelerate.value * sv.frametime * wishspeed;
 594                 if (f > limit)
 595                         f = limit;
 596                 VectorMA(host_client->edict->fields.server->velocity, f, wishdir, host_client->edict->fields.server->velocity);
 597         }
 598 }
 599 #endif
 600
 601 /*
 602 ===================
 603 SV_ReadClientMove
 604 ===================
 605 */
 606 extern void SV_Physics_Entity (prvm_edict_t *ent, qboolean runmove);
 607 void SV_ApplyClientMove (void);
 608 void SV_ReadClientMove (void)
 609 {
 610         int i;
 611         double oldmovetime;
 612         usercmd_t *move = &host_client->cmd;
 613
 614         oldmovetime = move->time;
 615         memset(move, 0, sizeof(usercmd_t));
 616
 617         if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
 618
 619         // read ping time
 620         if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_DARKPLACES1 && sv.protocol != PROTOCOL_DARKPLACES2 && sv.protocol != PROTOCOL_DARKPLACES3 && sv.protocol != PROTOCOL_DARKPLACES4 && sv.protocol != PROTOCOL_DARKPLACES5 && sv.protocol != PROTOCOL_DARKPLACES6)
 621                 move->sequence = MSG_ReadLong ();
 622         move->time = MSG_ReadFloat ();
 623         if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
 624         move->receivetime = sv.time;
 625
 626         // read current angles
 627         for (i = 0;i < 3;i++)
 628         {
 629                 if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE)
 630                         move->viewangles[i] = MSG_ReadAngle8i();
 631                 else if (sv.protocol == PROTOCOL_DARKPLACES1)
 632                         move->viewangles[i] = MSG_ReadAngle16i();
 633                 else if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
 634                         move->viewangles[i] = MSG_ReadAngle32f();
 635                 else
 636                         move->viewangles[i] = MSG_ReadAngle16i();
 637         }
 638         if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
 639
 640         // read movement
 641         move->forwardmove = MSG_ReadCoord16i ();
 642         move->sidemove = MSG_ReadCoord16i ();
 643         move->upmove = MSG_ReadCoord16i ();
 644         if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
 645
 646         // read buttons
 647         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
 648                 move->buttons = MSG_ReadByte ();
 649         else
 650                 move->buttons = MSG_ReadLong ();
 651         if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
 652
 653         // read impulse
 654         move->impulse = MSG_ReadByte ();
 655         if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
 656
 657         // PRYDON_CLIENTCURSOR
 658         if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_DARKPLACES1 && sv.protocol != PROTOCOL_DARKPLACES2 && sv.protocol != PROTOCOL_DARKPLACES3 && sv.protocol != PROTOCOL_DARKPLACES4 && sv.protocol != PROTOCOL_DARKPLACES5)
 659         {
 660                 // 30 bytes
 661                 move->cursor_screen[0] = MSG_ReadShort() * (1.0f / 32767.0f);
 662                 move->cursor_screen[1] = MSG_ReadShort() * (1.0f / 32767.0f);
 663                 move->cursor_start[0] = MSG_ReadFloat();
 664                 move->cursor_start[1] = MSG_ReadFloat();
 665                 move->cursor_start[2] = MSG_ReadFloat();
 666                 move->cursor_impact[0] = MSG_ReadFloat();
 667                 move->cursor_impact[1] = MSG_ReadFloat();
 668                 move->cursor_impact[2] = MSG_ReadFloat();
 669                 move->cursor_entitynumber = (unsigned short)MSG_ReadShort();
 670                 if (move->cursor_entitynumber >= prog->max_edicts)
 671                 {
 672                         Con_DPrintf("SV_ReadClientMessage: client send bad cursor_entitynumber\n");
 673                         move->cursor_entitynumber = 0;
 674                 }
 675                 // as requested by FrikaC, cursor_trace_ent is reset to world if the
 676                 // entity is free at time of receipt
 677                 if (PRVM_EDICT_NUM(move->cursor_entitynumber)->priv.server->free)
 678                         move->cursor_entitynumber = 0;
 679                 if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
 680         }
 681
 682         if (!host_client->spawned)
 683                 memset(move, 0, sizeof(*move));
 684         else
 685         {
 686                 // apply the latest accepted move to the entity fields
 687                 SV_ApplyClientMove();
 688                 host_client->movesequence = move->sequence;
 689                 if (host_client->movesequence)
 690                 {
 691                         double frametime = move->time - oldmovetime;
 692                         double oldframetime = prog->globals.server->frametime;
 693                         if (frametime > 0.1)
 694                                 frametime = 0.1;
 695                         prog->globals.server->frametime = frametime;
 696                         SV_Physics_Entity(host_client->edict, true);
 697                         prog->globals.server->frametime = oldframetime;
 698                 }
 699         }
 700 }
 701
 702 void SV_ApplyClientMove (void)
 703 {
 704 #ifdef NUM_PING_TIMES
 705         int i;
 706         float total;
 707 #endif
 708         prvm_eval_t *val;
 709         usercmd_t *move = &host_client->cmd;
 710
 711         // calculate average ping time
 712         host_client->ping = move->receivetime - move->time;
 713 #ifdef NUM_PING_TIMES
 714         host_client->ping_times[host_client->num_pings % NUM_PING_TIMES] = move->receivetime - move->time;
 715         host_client->num_pings++;
 716         for (i=0, total = 0;i < NUM_PING_TIMES;i++)
 717                 total += host_client->ping_times[i];
 718         host_client->ping = total / NUM_PING_TIMES;
 719 #endif
 720
 721         // set the edict fields
 722         host_client->edict->fields.server->button0 = move->buttons & 1;
 723         host_client->edict->fields.server->button2 = (move->buttons & 2)>>1;
 724         if (move->impulse)
 725                 host_client->edict->fields.server->impulse = move->impulse;
 726         VectorCopy(move->viewangles, host_client->edict->fields.server->v_angle);
 727         if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button3))) val->_float = ((move->buttons >> 2) & 1);
 728         if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button4))) val->_float = ((move->buttons >> 3) & 1);
 729         if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button5))) val->_float = ((move->buttons >> 4) & 1);
 730         if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button6))) val->_float = ((move->buttons >> 5) & 1);
 731         if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button7))) val->_float = ((move->buttons >> 6) & 1);
 732         if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button8))) val->_float = ((move->buttons >> 7) & 1);
 733         if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_buttonuse))) val->_float = ((move->buttons >> 8) & 1);
 734         if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_buttonchat))) val->_float = ((move->buttons >> 9) & 1);
 735         if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_cursor_active))) val->_float = ((move->buttons >> 10) & 1);
 736         if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_movement))) VectorSet(val->vector, move->forwardmove, move->sidemove, move->upmove);
 737         if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_cursor_screen))) VectorCopy(move->cursor_screen, val->vector);
 738         if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_cursor_trace_start))) VectorCopy(move->cursor_start, val->vector);
 739         if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_cursor_trace_endpos))) VectorCopy(move->cursor_impact, val->vector);
 740         if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_cursor_trace_ent))) val->edict = PRVM_EDICT_TO_PROG(PRVM_EDICT_NUM(move->cursor_entitynumber));
 741         if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_ping))) val->_float = host_client->ping * 1000.0;
 742 }
 743
 744 void SV_FrameLost(int framenum)
 745 {
 746         if (host_client->entitydatabase5)
 747                 EntityFrame5_LostFrame(host_client->entitydatabase5, framenum);
 748 }
 749
 750 void SV_FrameAck(int framenum)
 751 {
 752         if (host_client->entitydatabase)
 753                 EntityFrame_AckFrame(host_client->entitydatabase, framenum);
 754         else if (host_client->entitydatabase4)
 755                 EntityFrame4_AckFrame(host_client->entitydatabase4, framenum, true);
 756         else if (host_client->entitydatabase5)
 757                 EntityFrame5_AckFrame(host_client->entitydatabase5, framenum);
 758 }
 759
 760 /*
 761 ===================
 762 SV_ReadClientMessage
 763 ===================
 764 */
 765 extern void SV_SendServerinfo(client_t *client);
 766 void SV_ReadClientMessage(void)
 767 {
 768         int cmd, num;
 769         char *s;
 770
 771         //MSG_BeginReading ();
 772
 773         for(;;)
 774         {
 775                 if (!host_client->active)
 776                 {
 777                         // a command caused an error
 778                         SV_DropClient (false);
 779                         return;
 780                 }
 781
 782                 if (msg_badread)
 783                 {
 784                         Con_Print("SV_ReadClientMessage: badread\n");
 785                         SV_DropClient (false);
 786                         return;
 787                 }
 788
 789                 cmd = MSG_ReadChar ();
 790                 if (cmd == -1)
 791                 {
 792                         // end of message
 793                         break;
 794                 }
 795
 796                 switch (cmd)
 797                 {
 798                 default:
 799                         Con_Printf("SV_ReadClientMessage: unknown command char %i\n", cmd);
 800                         SV_DropClient (false);
 801                         return;
 802
 803                 case clc_nop:
 804                         break;
 805
 806                 case clc_stringcmd:
 807                         s = MSG_ReadString ();
 808                         if (strncasecmp(s, "spawn", 5) == 0
 809                          || strncasecmp(s, "begin", 5) == 0
 810                          || strncasecmp(s, "prespawn", 8) == 0)
 811                                 Cmd_ExecuteString (s, src_client);
 812                         else if (SV_ParseClientCommandQC)
 813                         {
 814                                 PRVM_G_INT(OFS_PARM0) = PRVM_SetEngineString(s);
 815                                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
 816                                 PRVM_ExecuteProgram ((func_t)(SV_ParseClientCommandQC - prog->functions), "QC function SV_ParseClientCommand is missing");
 817                         }
 818                         else if (strncasecmp(s, "status", 6) == 0
 819                          || strncasecmp(s, "name", 4) == 0
 820                          || strncasecmp(s, "say", 3) == 0
 821                          || strncasecmp(s, "say_team", 8) == 0
 822                          || strncasecmp(s, "tell", 4) == 0
 823                          || strncasecmp(s, "color", 5) == 0
 824                          || strncasecmp(s, "kill", 4) == 0
 825                          || strncasecmp(s, "pause", 5) == 0
 826                          || strncasecmp(s, "kick", 4) == 0
 827                          || strncasecmp(s, "ping", 4) == 0
 828                          || strncasecmp(s, "ban", 3) == 0
 829                          || strncasecmp(s, "pmodel", 6) == 0
 830                          || strncasecmp(s, "rate", 4) == 0
 831                          || strncasecmp(s, "playermodel", 11) == 0
 832                          || strncasecmp(s, "playerskin", 10) == 0
 833                          || (gamemode == GAME_NEHAHRA && (strncasecmp(s, "max", 3) == 0 || strncasecmp(s, "monster", 7) == 0 || strncasecmp(s, "scrag", 5) == 0 || strncasecmp(s, "gimme", 5) == 0 || strncasecmp(s, "wraith", 6) == 0))
 834                          || (gamemode != GAME_NEHAHRA && (strncasecmp(s, "god", 3) == 0 || strncasecmp(s, "notarget", 8) == 0 || strncasecmp(s, "fly", 3) == 0 || strncasecmp(s, "give", 4) == 0 || strncasecmp(s, "noclip", 6) == 0)))
 835                                 Cmd_ExecuteString (s, src_client);
 836                         else
 837                                 Con_Printf("%s tried to %s\n", host_client->name, s);
 838                         break;
 839
 840                 case clc_disconnect:
 841                         SV_DropClient (false); // client wants to disconnect
 842                         return;
 843
 844                 case clc_move:
 845                         SV_ReadClientMove ();
 846                         break;
 847
 848                 case clc_ackframe:
 849                         if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
 850                         num = MSG_ReadLong();
 851                         if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
 852                         if (developer_networkentities.integer >= 1)
 853                                 Con_Printf("recv clc_ackframe %i\n", num);
 854                         if (host_client->latestframenum < num)
 855                         {
 856                                 int i;
 857                                 for (i = host_client->latestframenum + 1;i < num;i++)
 858                                         SV_FrameLost(i);
 859                                 SV_FrameAck(num);
 860                                 host_client->latestframenum = num;
 861                         }
 862                         break;
 863                 }
 864         }
 865 }
 866