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 (!(self.flags & FL_JUMPRELEASED))
  50                 return;
  51
  52         if(cvar("g_runematch"))
  53         {
  54                 if(self.runes & RUNE_SPEED)
  55                 {
  56                         if(self.runes & CURSE_SLOW)
  57                                 mjumpheight = mjumpheight * cvar("g_balance_rune_speed_combo_jumpheight");
  58                         else
  59                                 mjumpheight = mjumpheight * cvar("g_balance_rune_speed_jumpheight");
  60                 }
  61                 else if(self.runes & CURSE_SLOW)
  62                 {
  63                         mjumpheight = mjumpheight * cvar("g_balance_curse_slow_jumpheight");
  64                 }
  65         }
  66
  67         if(g_minstagib && (self.items & IT_INVINCIBLE))
  68         {
  69                 mjumpheight = mjumpheight * cvar("g_minstagib_speed_jumpheight");
  70         }
  71
  72         self.velocity_z = self.velocity_z + mjumpheight;
  73         self.oldvelocity_z = self.velocity_z;
  74
  75         self.flags = self.flags - FL_ONGROUND;
  76         self.flags = self.flags - FL_JUMPRELEASED;
  77
  78         if (self.crouch)
  79                 player_setanim(self.anim_duckjump, FALSE, TRUE, TRUE);
  80         else
  81                 player_setanim(self.anim_jump, FALSE, TRUE, TRUE);
  82 }
  83
  84 void() CheckWaterJump =
  85 {
  86         local vector start, end;
  87
  88 // check for a jump-out-of-water
  89         makevectors (self.angles);
  90         start = self.origin;
  91         start_z = start_z + 8;
  92         v_forward_z = 0;
  93         normalize(v_forward);
  94         end = start + v_forward*24;
  95         traceline (start, end, TRUE, self);
  96         if (trace_fraction < 1)
  97         {       // solid at waist
  98                 start_z = start_z + self.maxs_z - 8;
  99                 end = start + v_forward*24;
 100                 self.movedir = trace_plane_normal * -50;
 101                 traceline (start, end, TRUE, self);
 102                 if (trace_fraction == 1)
 103                 {       // open at eye level
 104                         self.flags = self.flags | FL_WATERJUMP;
 105                         self.velocity_z = 225;
 106                         self.flags = self.flags - (self.flags & FL_JUMPRELEASED);
 107                         self.teleport_time = time + 2;  // safety net
 108                         return;
 109                 }
 110         }
 111 };
 112
 113
 114 void Nixnex_GiveCurrentWeapon();
 115 void SV_PlayerPhysics()
 116 {
 117         local vector wishvel, wishdir, v;
 118         local float wishspeed, f, maxspd_mod, spd, maxairspd, airaccel, swampspd_mod, shtest_score;
 119         string temps;
 120
 121         if(time > self.shtest_next)
 122         {
 123                 if(self.shtest_next > 0)
 124                 {
 125                         // self.shtest_accumulator:
 126                         //   started at time - SHTEST_DELTA
 127                         //   should be at SHTEST_DELTA
 128                         shtest_score = self.shtest_accumulator / SHTEST_DELTA;
 129                         if(shtest_score > 1.2)
 130                                 dprint("TIME PARADOX: shtest for ", self.netname, " said ", ftos(shtest_score), "\n");
 131                         else if(cvar("developer_shtest"))
 132                                 dprint("okay: shtest for ", self.netname, " said ", ftos(shtest_score), "\n");
 133                 }
 134                 self.shtest_next = time + SHTEST_DELTA;
 135                 self.shtest_accumulator = 0;
 136         }
 137         self.shtest_accumulator += frametime;
 138
 139         if (clienttype(self) == CLIENTTYPE_BOT)
 140                 bot_think();
 141
 142         if (self.movetype == MOVETYPE_NONE)
 143                 return;
 144
 145         if (self.punchangle != '0 0 0')
 146         {
 147                 f = vlen(self.punchangle) - 10 * frametime;
 148                 if (f > 0)
 149                         self.punchangle = normalize(self.punchangle) * f;
 150                 else
 151                         self.punchangle = '0 0 0';
 152         }
 153
 154         if (self.punchvector != '0 0 0')
 155         {
 156                 f = vlen(self.punchvector) - 30 * frametime;
 157                 if (f > 0)
 158                         self.punchvector = normalize(self.punchvector) * f;
 159                 else
 160                         self.punchvector = '0 0 0';
 161         }
 162
 163         maxspd_mod = 1;
 164
 165         if(cvar("g_runematch"))
 166         {
 167                 if(self.runes & RUNE_SPEED)
 168                 {
 169                         if(self.runes & CURSE_SLOW)
 170                                 maxspd_mod = maxspd_mod * cvar("g_balance_rune_speed_combo_moverate");
 171                         else
 172                                 maxspd_mod = maxspd_mod * cvar("g_balance_rune_speed_moverate");
 173                 }
 174                 else if(self.runes & CURSE_SLOW)
 175                 {
 176                         maxspd_mod = maxspd_mod * cvar("g_balance_curse_slow_moverate");
 177                 }
 178         }
 179
 180         if(g_minstagib && (self.items & IT_INVINCIBLE))
 181         {
 182                 maxspd_mod = cvar("g_minstagib_speed_moverate");
 183         }
 184
 185         swampspd_mod = 1;
 186         if(self.in_swamp) {
 187                 swampspd_mod = self.swamp_slowdown; //cvar("g_balance_swamp_moverate");
 188         }
 189
 190         if(self.flags & FL_NOTARGET)
 191                 maxspd_mod = cvar("sv_spectator_speed_multiplier");
 192
 193         spd = sv_maxspeed * maxspd_mod * swampspd_mod;
 194
 195         if(self.speed != spd)
 196         {
 197                 self.speed = spd;
 198                 temps = ftos(spd);
 199                 stuffcmd(self, strcat("cl_forwardspeed ", temps, "\n"));
 200                 stuffcmd(self, strcat("cl_backspeed ", temps, "\n"));
 201                 stuffcmd(self, strcat("cl_sidespeed ", temps, "\n"));
 202                 stuffcmd(self, strcat("cl_upspeed ", temps, "\n"));
 203
 204                 temps = ftos(sv_accelerate * maxspd_mod);
 205                 stuffcmd(self, strcat("cl_movement_accelerate ", temps, "\n"));
 206         }
 207
 208         // if dead, behave differently
 209         if (self.deadflag)
 210                 return;
 211
 212         if (!self.fixangle)
 213         {
 214                 self.angles_x = 0;
 215                 self.angles_y = self.v_angle_y;
 216                 self.angles_z = 0;
 217         }
 218
 219         if(self.classname == "player")
 220         {
 221                 if (self.button2)
 222                         PlayerJump ();
 223                 else
 224                         self.flags = self.flags | FL_JUMPRELEASED;
 225
 226                 if (self.waterlevel == 2)
 227                         CheckWaterJump ();
 228         }
 229
 230         if (self.flags & FL_WATERJUMP )
 231         {
 232                 self.velocity_x = self.movedir_x;
 233                 self.velocity_y = self.movedir_y;
 234                 if (time > self.teleport_time || self.waterlevel == 0)
 235                 {
 236                         self.flags = self.flags - (self.flags & FL_WATERJUMP);
 237                         self.teleport_time = 0;
 238                 }
 239         }
 240         else if (self.movetype == MOVETYPE_NOCLIP || self.movetype == MOVETYPE_FLY)
 241         {
 242                 // noclipping or flying
 243                 self.flags = self.flags - (self.flags & FL_ONGROUND);
 244
 245                 self.velocity = self.velocity * (1 - frametime * sv_friction);
 246                 makevectors(self.v_angle);
 247                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;
 248                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;
 249                 // acceleration
 250                 wishdir = normalize(wishvel);
 251                 wishspeed = vlen(wishvel);
 252                 if (wishspeed > sv_maxspeed*maxspd_mod)
 253                         wishspeed = sv_maxspeed*maxspd_mod;
 254                 if (time >= self.teleport_time)
 255                 {
 256                         f = wishspeed - (self.velocity * wishdir);
 257                         if (f > 0)
 258                                 self.velocity = self.velocity + wishdir * min(f, sv_accelerate*maxspd_mod * frametime * wishspeed);
 259                 }
 260         }
 261         else if (self.waterlevel >= 2)
 262         {
 263                 // swimming
 264                 self.flags = self.flags - (self.flags & FL_ONGROUND);
 265
 266                 makevectors(self.v_angle);
 267                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;
 268                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;
 269                 if (wishvel == '0 0 0')
 270                         wishvel = '0 0 -60'; // drift towards bottom
 271
 272                 wishdir = normalize(wishvel);
 273                 wishspeed = vlen(wishvel);
 274                 if (wishspeed > sv_maxspeed*maxspd_mod)
 275                         wishspeed = sv_maxspeed*maxspd_mod;
 276                 wishspeed = wishspeed * 0.7;
 277
 278                 // water friction
 279                 self.velocity = self.velocity * (1 - frametime * sv_friction);
 280
 281                 // water acceleration
 282                 f = wishspeed - (self.velocity * wishdir);
 283                 if (f > 0)
 284                         self.velocity = self.velocity + wishdir * min(f, sv_accelerate*maxspd_mod * frametime * wishspeed);
 285         }
 286         else if (time < self.ladder_time)
 287         {
 288                 // on a func_ladder or swimming in func_water
 289                 self.flags = self.flags - (self.flags & FL_ONGROUND);
 290
 291                 self.velocity = self.velocity * (1 - frametime * sv_friction);
 292                 makevectors(self.v_angle);
 293                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;
 294                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;
 295                 if (self.gravity)
 296                         self.velocity_z = self.velocity_z + self.gravity * sv_gravity * frametime;
 297                 else
 298                         self.velocity_z = self.velocity_z + sv_gravity * frametime;
 299                 if (self.ladder_entity.classname == "func_water")
 300                 {
 301                         f = vlen(wishvel);
 302                         if (f > self.ladder_entity.speed)
 303                                 wishvel = wishvel * (self.ladder_entity.speed / f);
 304
 305                         self.watertype = self.ladder_entity.skin;
 306                         f = self.ladder_entity.origin_z + self.ladder_entity.maxs_z;
 307                         if ((self.origin_z + self.view_ofs_z) < f)
 308                                 self.waterlevel = 3;
 309                         else if ((self.origin_z + (self.mins_z + self.maxs_z) * 0.5) < f)
 310                                 self.waterlevel = 2;
 311                         else if ((self.origin_z + self.mins_z + 1) < f)
 312                                 self.waterlevel = 1;
 313                         else
 314                         {
 315                                 self.waterlevel = 0;
 316                                 self.watertype = CONTENT_EMPTY;
 317                         }
 318                 }
 319                 // acceleration
 320                 wishdir = normalize(wishvel);
 321                 wishspeed = vlen(wishvel);
 322                 if (wishspeed > sv_maxspeed)
 323                         wishspeed = sv_maxspeed;
 324                 if (time >= self.teleport_time)
 325                 {
 326                         f = wishspeed - (self.velocity * wishdir);
 327                         if (f > 0)
 328                                 self.velocity = self.velocity + wishdir * min(f, sv_accelerate*maxspd_mod * frametime * wishspeed);
 329                 }
 330         }
 331         else if (self.flags & FL_ONGROUND)
 332         {
 333                 // walking
 334                 makevectors(self.v_angle_y * '0 1 0');
 335                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;
 336
 337                 if(!(self.lastflags & FL_ONGROUND))
 338                 {
 339                         if(cvar("speedmeter"))
 340                                 dprint(strcat("landing velocity: ", vtos(self.velocity), " (abs: ", ftos(vlen(self.velocity)), ")\n"));
 341                         if(self.lastground < time - 0.3)
 342                                 self.velocity = self.velocity * (1 - cvar("sv_friction_on_land"));
 343                         if(self.jumppadcount > 1)
 344                                 dprint(strcat(ftos(self.jumppadcount), "x jumppad combo\n"));
 345                         self.jumppadcount = 0;
 346                 }
 347
 348                 if (self.velocity_x || self.velocity_y)
 349                 if (!(self.flags & FL_JUMPRELEASED) || !self.button2)
 350                 {
 351                         v = self.velocity;
 352                         v_z = 0;
 353                         f = vlen(v);
 354                         if (f < sv_stopspeed)
 355                                 f = 1 - frametime * (sv_stopspeed / f) * sv_friction;
 356                         else
 357                                 f = 1 - frametime * sv_friction;
 358                         if (f > 0)
 359                                 self.velocity = self.velocity * f;
 360                         else
 361                                 self.velocity = '0 0 0';
 362                 }
 363                 // acceleration
 364                 wishdir = normalize(wishvel);
 365                 wishspeed = vlen(wishvel);
 366                 if (wishspeed > sv_maxspeed*maxspd_mod)
 367                         wishspeed = sv_maxspeed*maxspd_mod;
 368                 if (self.crouch)
 369                         wishspeed = wishspeed * 0.5;
 370                 if (time >= self.teleport_time)
 371                 {
 372                         f = wishspeed - (self.velocity * wishdir);
 373                         if (f > 0)
 374                                 self.velocity = self.velocity + wishdir * min(f, sv_accelerate*maxspd_mod * frametime * wishspeed);
 375                 }
 376         }
 377         else
 378         {
 379                 if(maxspd_mod < 1)
 380                 {
 381                         maxairspd = sv_maxairspeed*maxspd_mod;
 382                         airaccel = sv_airaccelerate*maxspd_mod;
 383                 }
 384                 else
 385                 {
 386                         maxairspd = sv_maxairspeed;
 387                         airaccel = sv_airaccelerate;
 388                 }
 389                 // airborn
 390                 makevectors(self.v_angle_y * '0 1 0');
 391                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;
 392                 // acceleration
 393                 wishdir = normalize(wishvel);
 394                 wishspeed = vlen(wishvel);
 395                 if (wishspeed > maxairspd)
 396                         wishspeed = maxairspd;
 397                 if (self.crouch)
 398                         wishspeed = wishspeed * 0.5;
 399                 if (time >= self.teleport_time)
 400                 {
 401                         // NOTE: this does the same as the commented out old code if:
 402                         //   sv_airaccel_qw 0
 403                         //   sv_airaccel_sideways_friction 0
 404
 405                         float vel_straight;
 406                         float vel_z;
 407                         vector vel_perpend;
 408                         vel_straight = self.velocity * wishdir;
 409                         vel_z = self.velocity_z;
 410                         vel_perpend = self.velocity - vel_straight * wishdir - vel_z * '0 0 1';
 411
 412                         f = wishspeed - vel_straight;
 413                         if(f > 0)
 414                                 vel_straight = vel_straight + min(f, airaccel * frametime * wishspeed) * sv_airaccel_qw;
 415                         if(wishspeed > 0)
 416                                 vel_straight = vel_straight + min(wishspeed, airaccel * frametime * wishspeed) * (1 - sv_airaccel_qw);
 417
 418                         // anti-sideways friction to fix QW-style bunnyhopping
 419                         vel_perpend = vel_perpend * (1 - frametime * (wishspeed / maxairspd) * sv_airaccel_sideways_friction);
 420
 421                         self.velocity = vel_straight * wishdir + vel_z * '0 0 1' + vel_perpend;
 422
 423                         /*
 424                         f = wishspeed;// - (self.velocity * wishdir);
 425                         if (f > 0)
 426                                 self.velocity = self.velocity + wishdir * min(f, airaccel * frametime * wishspeed);
 427                         */
 428                 }
 429         }
 430
 431         if(self.flags & FL_ONGROUND)
 432                 self.lastground = time;
 433
 434         self.lastflags = self.flags;
 435 };