data/qcsrc/server/cl_physics.qc

   1 float sv_accelerate;
   2 float sv_friction;
   3 float sv_maxspeed;
   4 float sv_airaccelerate;
   5 float sv_maxairspeed;
   6 float sv_stopspeed;
   7 float sv_gravity;
   8 float sv_airaccel_sideways_friction;
   9 float sv_airaccel_qw;
  10 .float ladder_time;
  11 .entity ladder_entity;
  12 .float gravity;
  13 .float swamp_slowdown;
  14 .float lastflags;
  15 .float lastground;
  16
  17 #define SHTEST_DELTA 15
  18 .float shtest_next;
  19 .float shtest_accumulator;
  20
  21 /*
  22 =============
  23 PlayerJump
  24
  25 When you press the jump key
  26 =============
  27 */
  28 void PlayerJump (void)
  29 {
  30         float mjumpheight;
  31
  32         mjumpheight = cvar("sv_jumpvelocity");
  33         if (self.waterlevel >= 2)
  34         {
  35                 if (self.watertype == CONTENT_WATER)
  36                         self.velocity_z = 200;
  37                 else if (self.watertype == CONTENT_SLIME)
  38                         self.velocity_z = 80;
  39                 else
  40                         self.velocity_z = 50;
  41
  42                 return;
  43         }
  44
  45
  46         if (!(self.flags & FL_ONGROUND))
  47                 return;
  48
  49         if(!sv_pogostick)
  50                 if (!(self.flags & FL_JUMPRELEASED))
  51                         return;
  52
  53         if(g_runematch)
  54         {
  55                 if(self.runes & RUNE_SPEED)
  56                 {
  57                         if(self.runes & CURSE_SLOW)
  58                                 mjumpheight = mjumpheight * cvar("g_balance_rune_speed_combo_jumpheight");
  59                         else
  60                                 mjumpheight = mjumpheight * cvar("g_balance_rune_speed_jumpheight");
  61                 }
  62                 else if(self.runes & CURSE_SLOW)
  63                 {
  64                         mjumpheight = mjumpheight * cvar("g_balance_curse_slow_jumpheight");
  65                 }
  66         }
  67
  68         if(g_minstagib && (self.items & IT_INVINCIBLE))
  69         {
  70                 mjumpheight = mjumpheight * cvar("g_minstagib_speed_jumpheight");
  71         }
  72
  73         self.velocity_z = self.velocity_z + mjumpheight;
  74         self.oldvelocity_z = self.velocity_z;
  75
  76         self.flags = self.flags - FL_ONGROUND;
  77         self.flags = self.flags - FL_JUMPRELEASED;
  78
  79         if (self.crouch)
  80                 player_setanim(self.anim_duckjump, FALSE, TRUE, TRUE);
  81         else
  82                 player_setanim(self.anim_jump, FALSE, TRUE, TRUE);
  83
  84         PlayerSound(playersound_jump, CHAN_AUTO, 0);
  85 }
  86
  87 void CheckWaterJump()
  88 {
  89         local vector start, end;
  90
  91 // check for a jump-out-of-water
  92         makevectors (self.angles);
  93         start = self.origin;
  94         start_z = start_z + 8;
  95         v_forward_z = 0;
  96         normalize(v_forward);
  97         end = start + v_forward*24;
  98         traceline (start, end, TRUE, self);
  99         if (trace_fraction < 1)
 100         {       // solid at waist
 101                 start_z = start_z + self.maxs_z - 8;
 102                 end = start + v_forward*24;
 103                 self.movedir = trace_plane_normal * -50;
 104                 traceline (start, end, TRUE, self);
 105                 if (trace_fraction == 1)
 106                 {       // open at eye level
 107                         self.flags = self.flags | FL_WATERJUMP;
 108                         self.velocity_z = 225;
 109                         self.flags = self.flags - (self.flags & FL_JUMPRELEASED);
 110                         self.teleport_time = time + 2;  // safety net
 111                         return;
 112                 }
 113         }
 114 };
 115
 116 .vector movement_old;
 117 .float buttons_old;
 118 .vector v_angle_old;
 119
 120 void Nixnex_GiveCurrentWeapon();
 121 void SV_PlayerPhysics()
 122 {
 123         local vector wishvel, wishdir, v;
 124         local float wishspeed, f, maxspd_mod, spd, maxairspd, airaccel, swampspd_mod, shtest_score, buttons;
 125         string temps;
 126
 127         buttons = self.BUTTON_ATCK + 2 * self.BUTTON_JUMP + 4 * self.BUTTON_ATCK2 + 8 * self.BUTTON_ZOOM + 16 * self.BUTTON_CROUCH + 32 * self.BUTTON_HOOK + 64 * self.BUTTON_USE;
 128         if(!sv_maxidle_spectatorsareidle || self.movetype == MOVETYPE_WALK)
 129         {
 130                 if(buttons != self.buttons_old || self.movement != self.movement_old || self.v_angle != self.v_angle_old)
 131                         self.parm_idlesince = time;
 132         }
 133         self.buttons_old = buttons;
 134         self.movement_old = self.movement;
 135         self.v_angle_old = self.v_angle;
 136
 137         if(time > self.shtest_next)
 138         {
 139                 if(self.shtest_next > 0)
 140                 {
 141                         // self.shtest_accumulator:
 142                         //   started at time - SHTEST_DELTA
 143                         //   should be at SHTEST_DELTA
 144                         shtest_score = self.shtest_accumulator / SHTEST_DELTA;
 145                         if(shtest_score > 1.2)
 146                                 dprint("TIME PARADOX: shtest for ", self.netname, " said ", ftos(shtest_score), "\n");
 147                         else if(cvar("developer_shtest"))
 148                                 dprint("okay: shtest for ", self.netname, " said ", ftos(shtest_score), "\n");
 149                 }
 150                 self.shtest_next = time + SHTEST_DELTA;
 151                 self.shtest_accumulator = 0;
 152         }
 153         self.shtest_accumulator += frametime;
 154
 155         if (clienttype(self) == CLIENTTYPE_BOT)
 156                 bot_think();
 157
 158         if (self.movetype == MOVETYPE_NONE)
 159                 return;
 160
 161         if (self.punchangle != '0 0 0')
 162         {
 163                 f = vlen(self.punchangle) - 10 * frametime;
 164                 if (f > 0)
 165                         self.punchangle = normalize(self.punchangle) * f;
 166                 else
 167                         self.punchangle = '0 0 0';
 168         }
 169
 170         if (self.punchvector != '0 0 0')
 171         {
 172                 f = vlen(self.punchvector) - 30 * frametime;
 173                 if (f > 0)
 174                         self.punchvector = normalize(self.punchvector) * f;
 175                 else
 176                         self.punchvector = '0 0 0';
 177         }
 178
 179         maxspd_mod = 1;
 180
 181         if(g_runematch)
 182         {
 183                 if(self.runes & RUNE_SPEED)
 184                 {
 185                         if(self.runes & CURSE_SLOW)
 186                                 maxspd_mod = maxspd_mod * cvar("g_balance_rune_speed_combo_moverate");
 187                         else
 188                                 maxspd_mod = maxspd_mod * cvar("g_balance_rune_speed_moverate");
 189                 }
 190                 else if(self.runes & CURSE_SLOW)
 191                 {
 192                         maxspd_mod = maxspd_mod * cvar("g_balance_curse_slow_moverate");
 193                 }
 194         }
 195
 196         if(g_minstagib && (self.items & IT_INVINCIBLE))
 197         {
 198                 maxspd_mod = cvar("g_minstagib_speed_moverate");
 199         }
 200
 201         swampspd_mod = 1;
 202         if(self.in_swamp) {
 203                 swampspd_mod = self.swamp_slowdown; //cvar("g_balance_swamp_moverate");
 204         }
 205
 206         if(self.flags & FL_NOTARGET)
 207                 maxspd_mod = cvar("sv_spectator_speed_multiplier");
 208
 209         spd = sv_maxspeed * maxspd_mod * swampspd_mod;
 210
 211         if(self.speed != spd)
 212         {
 213                 self.speed = spd;
 214                 temps = ftos(spd);
 215                 stuffcmd(self, strcat("cl_forwardspeed ", temps, "\n"));
 216                 stuffcmd(self, strcat("cl_backspeed ", temps, "\n"));
 217                 stuffcmd(self, strcat("cl_sidespeed ", temps, "\n"));
 218                 stuffcmd(self, strcat("cl_upspeed ", temps, "\n"));
 219
 220                 temps = ftos(sv_accelerate * maxspd_mod);
 221                 stuffcmd(self, strcat("cl_movement_accelerate ", temps, "\n"));
 222         }
 223
 224         // if dead, behave differently
 225         if (self.deadflag)
 226                 return;
 227
 228         if (!self.fixangle)
 229         {
 230                 self.angles_x = 0;
 231                 self.angles_y = self.v_angle_y;
 232                 self.angles_z = 0;
 233         }
 234
 235         if(self.classname == "player")
 236         {
 237                 if(sv_doublejump)
 238                 {
 239                         self.flags = self.flags - (self.flags & FL_ONGROUND);
 240                         tracebox(self.origin + '0 0 1', self.mins, self.maxs, self.origin - '0 0 2', MOVE_NORMAL, self);
 241                         if(trace_fraction < 1 && trace_plane_normal_z > 0.7)
 242                                 self.flags = self.flags | FL_ONGROUND;
 243                 }
 244
 245                 if (self.BUTTON_JUMP)
 246                         PlayerJump ();
 247                 else
 248                         self.flags = self.flags | FL_JUMPRELEASED;
 249
 250                 if (self.waterlevel == 2)
 251                         CheckWaterJump ();
 252         }
 253
 254         if (self.flags & FL_WATERJUMP )
 255         {
 256                 self.velocity_x = self.movedir_x;
 257                 self.velocity_y = self.movedir_y;
 258                 if (time > self.teleport_time || self.waterlevel == 0)
 259                 {
 260                         self.flags = self.flags - (self.flags & FL_WATERJUMP);
 261                         self.teleport_time = 0;
 262                 }
 263         }
 264         else if (self.movetype == MOVETYPE_NOCLIP || self.movetype == MOVETYPE_FLY)
 265         {
 266                 // noclipping or flying
 267                 self.flags = self.flags - (self.flags & FL_ONGROUND);
 268
 269                 self.velocity = self.velocity * (1 - frametime * sv_friction);
 270                 makevectors(self.v_angle);
 271                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;
 272                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;
 273                 // acceleration
 274                 wishdir = normalize(wishvel);
 275                 wishspeed = vlen(wishvel);
 276                 if (wishspeed > sv_maxspeed*maxspd_mod)
 277                         wishspeed = sv_maxspeed*maxspd_mod;
 278                 if (time >= self.teleport_time)
 279                 {
 280                         f = wishspeed - (self.velocity * wishdir);
 281                         if (f > 0)
 282                                 self.velocity = self.velocity + wishdir * min(f, sv_accelerate*maxspd_mod * frametime * wishspeed);
 283                 }
 284         }
 285         else if (self.waterlevel >= 2)
 286         {
 287                 // swimming
 288                 self.flags = self.flags - (self.flags & FL_ONGROUND);
 289
 290                 makevectors(self.v_angle);
 291                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;
 292                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;
 293                 if (wishvel == '0 0 0')
 294                         wishvel = '0 0 -60'; // drift towards bottom
 295
 296                 wishdir = normalize(wishvel);
 297                 wishspeed = vlen(wishvel);
 298                 if (wishspeed > sv_maxspeed*maxspd_mod)
 299                         wishspeed = sv_maxspeed*maxspd_mod;
 300                 wishspeed = wishspeed * 0.7;
 301
 302                 // water friction
 303                 self.velocity = self.velocity * (1 - frametime * sv_friction);
 304
 305                 // water acceleration
 306                 f = wishspeed - (self.velocity * wishdir);
 307                 if (f > 0)
 308                         self.velocity = self.velocity + wishdir * min(f, sv_accelerate*maxspd_mod * frametime * wishspeed);
 309         }
 310         else if (time < self.ladder_time)
 311         {
 312                 // on a spawnfunc_func_ladder or swimming in spawnfunc_func_water
 313                 self.flags = self.flags - (self.flags & FL_ONGROUND);
 314
 315                 self.velocity = self.velocity * (1 - frametime * sv_friction);
 316                 makevectors(self.v_angle);
 317                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;
 318                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;
 319                 if (self.gravity)
 320                         self.velocity_z = self.velocity_z + self.gravity * sv_gravity * frametime;
 321                 else
 322                         self.velocity_z = self.velocity_z + sv_gravity * frametime;
 323                 if (self.ladder_entity.classname == "func_water")
 324                 {
 325                         f = vlen(wishvel);
 326                         if (f > self.ladder_entity.speed)
 327                                 wishvel = wishvel * (self.ladder_entity.speed / f);
 328
 329                         self.watertype = self.ladder_entity.skin;
 330                         f = self.ladder_entity.origin_z + self.ladder_entity.maxs_z;
 331                         if ((self.origin_z + self.view_ofs_z) < f)
 332                                 self.waterlevel = 3;
 333                         else if ((self.origin_z + (self.mins_z + self.maxs_z) * 0.5) < f)
 334                                 self.waterlevel = 2;
 335                         else if ((self.origin_z + self.mins_z + 1) < f)
 336                                 self.waterlevel = 1;
 337                         else
 338                         {
 339                                 self.waterlevel = 0;
 340                                 self.watertype = CONTENT_EMPTY;
 341                         }
 342                 }
 343                 // acceleration
 344                 wishdir = normalize(wishvel);
 345                 wishspeed = vlen(wishvel);
 346                 if (wishspeed > sv_maxspeed)
 347                         wishspeed = sv_maxspeed;
 348                 if (time >= self.teleport_time)
 349                 {
 350                         f = wishspeed - (self.velocity * wishdir);
 351                         if (f > 0)
 352                                 self.velocity = self.velocity + wishdir * min(f, sv_accelerate*maxspd_mod * frametime * wishspeed);
 353                 }
 354         }
 355         else if (self.flags & FL_ONGROUND)
 356         {
 357                 // walking
 358                 makevectors(self.v_angle_y * '0 1 0');
 359                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;
 360
 361                 if(!(self.lastflags & FL_ONGROUND))
 362                 {
 363                         if(cvar("speedmeter"))
 364                                 dprint(strcat("landing velocity: ", vtos(self.velocity), " (abs: ", ftos(vlen(self.velocity)), ")\n"));
 365                         if(self.lastground < time - 0.3)
 366                                 self.velocity = self.velocity * (1 - cvar("sv_friction_on_land"));
 367                         if(self.jumppadcount > 1)
 368                                 dprint(strcat(ftos(self.jumppadcount), "x jumppad combo\n"));
 369                         self.jumppadcount = 0;
 370                 }
 371
 372                 if (self.velocity_x || self.velocity_y)
 373                 if (!(self.flags & FL_JUMPRELEASED) || !self.BUTTON_JUMP)
 374                 {
 375                         v = self.velocity;
 376                         v_z = 0;
 377                         f = vlen(v);
 378                         if (f < sv_stopspeed)
 379                                 f = 1 - frametime * (sv_stopspeed / f) * sv_friction;
 380                         else
 381                                 f = 1 - frametime * sv_friction;
 382                         if (f > 0)
 383                                 self.velocity = self.velocity * f;
 384                         else
 385                                 self.velocity = '0 0 0';
 386                 }
 387                 // acceleration
 388                 wishdir = normalize(wishvel);
 389                 wishspeed = vlen(wishvel);
 390                 if (wishspeed > sv_maxspeed*maxspd_mod)
 391                         wishspeed = sv_maxspeed*maxspd_mod;
 392                 if (self.crouch)
 393                         wishspeed = wishspeed * 0.5;
 394                 if (time >= self.teleport_time)
 395                 {
 396                         f = wishspeed - (self.velocity * wishdir);
 397                         if (f > 0)
 398                                 self.velocity = self.velocity + wishdir * min(f, sv_accelerate*maxspd_mod * frametime * wishspeed);
 399                 }
 400         }
 401         else
 402         {
 403                 if(maxspd_mod < 1)
 404                 {
 405                         maxairspd = sv_maxairspeed*maxspd_mod;
 406                         airaccel = sv_airaccelerate*maxspd_mod;
 407                 }
 408                 else
 409                 {
 410                         maxairspd = sv_maxairspeed;
 411                         airaccel = sv_airaccelerate;
 412                 }
 413                 // airborn
 414                 makevectors(self.v_angle_y * '0 1 0');
 415                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;
 416                 // acceleration
 417                 wishdir = normalize(wishvel);
 418                 wishspeed = vlen(wishvel);
 419                 if (wishspeed > maxairspd)
 420                         wishspeed = maxairspd;
 421                 if (self.crouch)
 422                         wishspeed = wishspeed * 0.5;
 423                 if (time >= self.teleport_time)
 424                 {
 425                         // NOTE: this does the same as the commented out old code if:
 426                         //   sv_airaccel_qw 0
 427                         //   sv_airaccel_sideways_friction 0
 428
 429                         float vel_straight;
 430                         float vel_z;
 431                         vector vel_perpend;
 432                         vel_straight = self.velocity * wishdir;
 433                         vel_z = self.velocity_z;
 434                         vel_perpend = self.velocity - vel_straight * wishdir - vel_z * '0 0 1';
 435
 436                         f = wishspeed - vel_straight;
 437                         if(f > 0)
 438                                 vel_straight = vel_straight + min(f, airaccel * frametime * wishspeed) * sv_airaccel_qw;
 439                         if(wishspeed > 0)
 440                                 vel_straight = vel_straight + min(wishspeed, airaccel * frametime * wishspeed) * (1 - sv_airaccel_qw);
 441
 442                         // anti-sideways friction to fix QW-style bunnyhopping
 443                         vel_perpend = vel_perpend * (1 - frametime * (wishspeed / maxairspd) * sv_airaccel_sideways_friction);
 444
 445                         self.velocity = vel_straight * wishdir + vel_z * '0 0 1' + vel_perpend;
 446
 447                         /*
 448                         f = wishspeed;// - (self.velocity * wishdir);
 449                         if (f > 0)
 450                                 self.velocity = self.velocity + wishdir * min(f, airaccel * frametime * wishspeed);
 451                         */
 452                 }
 453         }
 454
 455         if(self.flags & FL_ONGROUND)
 456                 self.lastground = time;
 457
 458         if(self.flags & FL_ONGROUND)
 459                 if not(self.lastflags & FL_ONGROUND)
 460                         PlayerSound(playersound_fall, CHAN_AUTO, 0);
 461
 462         self.lastflags = self.flags;
 463 };