data/qcsrc/server/cl_physics.qc

   1 .float race_penalty;\r
   2 .float restart_jump;\r
   3 \r
   4 float sv_accelerate;\r
   5 float sv_friction;\r
   6 float sv_maxspeed;\r
   7 float sv_airaccelerate;\r
   8 float sv_maxairspeed;\r
   9 float sv_stopspeed;\r
  10 float sv_gravity;\r
  11 float sv_airaccel_sideways_friction;\r
  12 float sv_airaccel_qw;\r
  13 float sv_airstopaccelerate;\r
  14 float sv_airstrafeaccelerate;\r
  15 float sv_maxairstrafespeed;\r
  16 float sv_aircontrol;\r
  17 float sv_warsowbunny_airforwardaccel;\r
  18 float sv_warsowbunny_accel;\r
  19 float sv_warsowbunny_topspeed;\r
  20 float sv_warsowbunny_turnaccel;\r
  21 float sv_warsowbunny_backtosideratio;\r
  22 \r
  23 .float ladder_time;\r
  24 .entity ladder_entity;\r
  25 .float gravity;\r
  26 .float swamp_slowdown;\r
  27 .float lastflags;\r
  28 .float lastground;\r
  29 .float wasFlying;\r
  30 .float spectatorspeed;\r
  31 \r
  32 .float multijump_count;\r
  33 .float multijump_ready;\r
  34 .float prevjumpbutton;\r
  35 .float prevlastteleporttime;\r
  36 \r
  37 /*\r
  38 =============\r
  39 PlayerJump\r
  40 \r
  41 When you press the jump key\r
  42 =============\r
  43 */\r
  44 void PlayerJump (void)\r
  45 {\r
  46         float mjumpheight;\r
  47         float doublejump;\r
  48 \r
  49         doublejump = FALSE;\r
  50         if (cvar("sv_doublejump"))\r
  51         {\r
  52                 tracebox(self.origin + '0 0 0.01', self.mins, self.maxs, self.origin - '0 0 0.01', MOVE_NORMAL, self);\r
  53                 if (trace_fraction < 1 && trace_plane_normal_z > 0.7)\r
  54                         doublejump = TRUE;\r
  55         }\r
  56 \r
  57         mjumpheight = cvar("sv_jumpvelocity");\r
  58         if(cvar("g_healthsize")) // if we are smaller or larger, we jump lower or higher\r
  59                 mjumpheight *= (1 - cvar("g_healthsize_movementfactor")) + cvar("g_healthsize_movementfactor") * self.scale;\r
  60         if(self.swallow_progress_prey) // cut jumping based on swallow progress for prey\r
  61                 mjumpheight *= 1 - (self.swallow_progress_prey * cvar("g_balance_vore_swallow_speed_cutspd_prey"));\r
  62         if(self.swallow_progress_pred) // cut jumping based on swallow progress for preds\r
  63                 mjumpheight *= 1 - (self.swallow_progress_pred * cvar("g_balance_vore_swallow_speed_cutspd_pred"));\r
  64 \r
  65         if (self.waterlevel >= WATERLEVEL_SWIMMING)\r
  66         {\r
  67                 if (self.watertype == CONTENT_WATER)\r
  68                         self.velocity_z = 200;\r
  69                 else if (self.watertype == CONTENT_SLIME)\r
  70                         self.velocity_z = 80;\r
  71                 else\r
  72                         self.velocity_z = 50;\r
  73 \r
  74                 return;\r
  75         }\r
  76 \r
  77         if (cvar("g_multijump"))\r
  78         {\r
  79                 if(self.prevlastteleporttime != self.lastteleporttime)\r
  80                 {\r
  81                         // if we teleported above the ground, require touching the ground again to multi-jump\r
  82                         self.multijump_ready = FALSE;\r
  83                         if(self.flags & FL_ONGROUND)\r
  84                                 self.prevlastteleporttime = self.lastteleporttime;\r
  85                 }\r
  86                 else if (self.prevjumpbutton == FALSE && !(self.flags & FL_ONGROUND)) // jump button pressed this frame and we are in midair\r
  87                         self.multijump_ready = TRUE;  // this is necessary to check that we released the jump button and pressed it again\r
  88                 else\r
  89                         self.multijump_ready = FALSE;\r
  90         }\r
  91 \r
  92         if(!doublejump && self.multijump_ready && self.multijump_count < cvar("g_multijump") && self.velocity_z > cvar("g_multijump_speed"))\r
  93         {\r
  94                 // doublejump = FALSE; // checked above in the if\r
  95                 if (cvar("g_multijump"))\r
  96                 {\r
  97                         if (cvar("g_multijump_add") == 0) // in this case we make the z velocity == jumpvelocity\r
  98                         {\r
  99                                 if (self.velocity_z < mjumpheight)\r
 100                                 {\r
 101                                         doublejump = TRUE;\r
 102                                         self.velocity_z = 0;\r
 103                                 }\r
 104                         }\r
 105                         else\r
 106                                 doublejump = TRUE;\r
 107 \r
 108                         if(doublejump)\r
 109                         {\r
 110                                 if(self.movement_x != 0 || self.movement_y != 0) // don't remove all speed if player isnt pressing any movement keys\r
 111                                 {\r
 112                                         float curspeed;\r
 113                                         vector wishvel, wishdir;\r
 114 \r
 115                                         curspeed = max(\r
 116                                                 vlen(vec2(self.velocity)), // current xy speed\r
 117                                                 vlen(vec2(antilag_takebackavgvelocity(self, max(self.lastteleporttime + sys_frametime, time - 0.25), time))) // average xy topspeed over the last 0.25 secs\r
 118                                         );\r
 119                                         makevectors(self.v_angle_y * '0 1 0');\r
 120                                         wishvel = v_forward * self.movement_x + v_right * self.movement_y;\r
 121                                         wishdir = normalize(wishvel);\r
 122 \r
 123                                         self.velocity_x = wishdir_x * curspeed; // allow "dodging" at a multijump\r
 124                                         self.velocity_y = wishdir_y * curspeed;\r
 125                                         // keep velocity_z unchanged!\r
 126                                 }\r
 127                                 if (cvar("g_multijump") > 0)\r
 128                                         self.multijump_count += 1;\r
 129                         }\r
 130                 }\r
 131                 self.multijump_ready = FALSE; // require releasing and pressing the jump button again for the next jump\r
 132         }\r
 133 \r
 134         if (!doublejump)\r
 135                 if (!(self.flags & FL_ONGROUND))\r
 136                         return;\r
 137 \r
 138         if(!sv_pogostick)\r
 139                 if (!(self.flags & FL_JUMPRELEASED))\r
 140                         return;\r
 141 \r
 142         if(self.health <= g_bloodloss)\r
 143                 return;\r
 144 \r
 145         if(cvar_string("sv_jumpspeedcap_min") != "")\r
 146                 self.velocity_z = max(cvar("sv_jumpvelocity") * cvar("sv_jumpspeedcap_min"), self.velocity_z);\r
 147         if(cvar_string("sv_jumpspeedcap_max") != "") {\r
 148                 if(trace_fraction < 1 && trace_plane_normal_z < 0.98 && cvar("sv_jumpspeedcap_max_disable_on_ramps")) {\r
 149                         // don't do jump speedcaps on ramps to preserve old voretournament ramjump style\r
 150                         //print("Trace plane normal z: ", ftos(trace_plane_normal_z), ", disabling speed cap!\n");\r
 151                 }\r
 152                 else\r
 153                         self.velocity_z = min(cvar("sv_jumpvelocity") * cvar("sv_jumpspeedcap_max"), self.velocity_z) + trace_ent.velocity_z;\r
 154         }\r
 155 \r
 156         if(!(self.lastflags & FL_ONGROUND))\r
 157         {\r
 158                 if(cvar("speedmeter"))\r
 159                         dprint(strcat("landing velocity: ", vtos(self.velocity), " (abs: ", ftos(vlen(self.velocity)), ")\n"));\r
 160                 if(self.lastground < time - 0.3)\r
 161                 {\r
 162                         self.velocity_x *= (1 - cvar("sv_friction_on_land"));\r
 163                         self.velocity_y *= (1 - cvar("sv_friction_on_land"));\r
 164                 }\r
 165                 if(self.jumppadcount > 1)\r
 166                         dprint(strcat(ftos(self.jumppadcount), "x jumppad combo\n"));\r
 167                 self.jumppadcount = 0;\r
 168         }\r
 169 \r
 170         self.velocity_z = self.velocity_z + mjumpheight;\r
 171         self.oldvelocity_z = self.velocity_z;\r
 172 \r
 173         self.flags &~= FL_ONGROUND;\r
 174         self.flags &~= FL_JUMPRELEASED;\r
 175 \r
 176         if (self.crouch)\r
 177                 setanim(self, self.anim_duckjump, FALSE, TRUE, TRUE);\r
 178         else\r
 179                 setanim(self, self.anim_jump, FALSE, TRUE, TRUE);\r
 180 \r
 181         if(g_jump_grunt)\r
 182                 PlayerSound(self, playersound_jump, CHAN_PLAYER, VOICETYPE_PLAYERSOUND);\r
 183 \r
 184         self.restart_jump = -1; // restart jump anim next time\r
 185         // value -1 is used to not use the teleport bit (workaround for tiny hitch when re-jumping)\r
 186 }\r
 187 \r
 188 /*\r
 189 =============\r
 190 PlayerDodge\r
 191 \r
 192 When you double-press a movement key rapidly to leap in that direction\r
 193 =============\r
 194 */\r
 195 void PlayerDodge()\r
 196 {\r
 197         float common_factor;\r
 198         float new_velocity_gain;\r
 199         float velocity_difference;\r
 200 \r
 201         // make sure v_up, v_right and v_forward are sane\r
 202         makevectors(self.angles);\r
 203 \r
 204         // if we have e.g. 0.5 sec ramptime and a frametime of 0.25, then the ramp code \r
 205         // will be called ramp_time/frametime times = 2 times. so, we need to \r
 206         // add 0.5 * the total speed each frame until the dodge action is done..\r
 207         common_factor = sys_frametime / cvar("sv_dodging_ramp_time");\r
 208 \r
 209         // if ramp time is smaller than frametime we get problems ;D\r
 210         if (common_factor > 1) \r
 211                 common_factor = 1;\r
 212 \r
 213         new_velocity_gain = self.dodging_velocity_gain - (common_factor * cvar("sv_dodging_horiz_speed"));\r
 214         if (new_velocity_gain < 0)\r
 215                 new_velocity_gain = 0;\r
 216 \r
 217         velocity_difference = self.dodging_velocity_gain - new_velocity_gain;\r
 218         if(cvar("g_healthsize")) // if we are smaller or larger, we jump lower or higher\r
 219                 velocity_difference *= (1 - cvar("g_healthsize_movementfactor")) + cvar("g_healthsize_movementfactor") * self.scale;\r
 220         if(self.swallow_progress_prey) // cut jumping based on swallow progress for prey\r
 221                 velocity_difference *= 1 - (self.swallow_progress_prey * cvar("g_balance_vore_swallow_speed_cutspd_prey"));\r
 222         if(self.swallow_progress_pred) // cut jumping based on swallow progress for preds\r
 223                 velocity_difference *= 1 - (self.swallow_progress_pred * cvar("g_balance_vore_swallow_speed_cutspd_pred"));\r
 224 \r
 225         // ramp up dodging speed by adding some velocity each frame.. TODO: do it! :D\r
 226         if (self.dodging_action == 1) {\r
 227                 //disable jump key during dodge accel phase\r
 228                 if (self.movement_z > 0) self.movement_z = 0;\r
 229 \r
 230                 self.velocity = \r
 231                           self.velocity \r
 232                         + ((self.dodging_direction_y * velocity_difference) * v_right)\r
 233                         + ((self.dodging_direction_x * velocity_difference) * v_forward);\r
 234 \r
 235                 self.dodging_velocity_gain = self.dodging_velocity_gain - velocity_difference;\r
 236         }\r
 237 \r
 238         // the up part of the dodge is a single shot action\r
 239         if (self.dodging_single_action == 1) {\r
 240                 self.flags &~= FL_ONGROUND;\r
 241 \r
 242                 self.velocity = \r
 243                           self.velocity \r
 244                         + (cvar("sv_dodging_up_speed") * v_up);\r
 245 \r
 246                 if (cvar("sv_dodging_sound"))\r
 247                         PlayerSound(self, playersound_jump, CHAN_PLAYER, VOICETYPE_PLAYERSOUND);\r
 248 \r
 249                 setanim(self, self.anim_jump, TRUE, FALSE, TRUE);\r
 250 \r
 251                 self.dodging_single_action = 0;\r
 252         }\r
 253 \r
 254         // are we done with the dodging ramp yet?\r
 255         if((self.dodging_action == 1) && ((time - self.last_dodging_time) > cvar("sv_dodging_ramp_time")))\r
 256         {\r
 257                 // reset state so next dodge can be done correctly\r
 258                 self.dodging_action = 0;\r
 259                 self.dodging_direction_x = 0;\r
 260                 self.dodging_direction_y = 0;\r
 261         }\r
 262 }\r
 263 \r
 264 void CheckWaterJump()\r
 265 {\r
 266         local vector start, end;\r
 267 \r
 268 // check for a jump-out-of-water\r
 269         makevectors (self.angles);\r
 270         start = self.origin;\r
 271         start_z = start_z + 8;\r
 272         v_forward_z = 0;\r
 273         normalize(v_forward);\r
 274         end = start + v_forward*24;\r
 275         traceline (start, end, TRUE, self);\r
 276         if (trace_fraction < 1)\r
 277         {       // solid at waist\r
 278                 start_z = start_z + self.maxs_z - 8;\r
 279                 end = start + v_forward*24;\r
 280                 self.movedir = trace_plane_normal * -50;\r
 281                 traceline (start, end, TRUE, self);\r
 282                 if (trace_fraction == 1)\r
 283                 {       // open at eye level\r
 284                         self.flags |= FL_WATERJUMP;\r
 285                         self.velocity_z = 225;\r
 286                         self.flags &~= FL_JUMPRELEASED;\r
 287                         self.teleport_time = time + 2;  // safety net\r
 288                         return;\r
 289                 }\r
 290         }\r
 291 };\r
 292 \r
 293 float racecar_angle(float forward, float down)\r
 294 {\r
 295         float ret, angle_mult;\r
 296 \r
 297         if(forward < 0)\r
 298         {\r
 299                 forward = -forward;\r
 300                 down = -down;\r
 301         }\r
 302 \r
 303         ret = vectoyaw('0 1 0' * down + '1 0 0' * forward);\r
 304 \r
 305         angle_mult = forward / (800 + forward);\r
 306 \r
 307         if(ret > 180)\r
 308                 return ret * angle_mult + 360 * (1 - angle_mult);\r
 309         else\r
 310                 return ret * angle_mult;\r
 311 }\r
 312 \r
 313 void RaceCarPhysics()\r
 314 {\r
 315         // using this move type for "big rigs"\r
 316         // the engine does not push the entity!\r
 317 \r
 318         float accel, steer, f;\r
 319         vector angles_save, rigvel;\r
 320 \r
 321         angles_save = self.angles;\r
 322         accel = bound(-1, self.movement_x / sv_maxspeed, 1);\r
 323         steer = bound(-1, self.movement_y / sv_maxspeed, 1);\r
 324 \r
 325         if(g_bugrigs_reverse_speeding)\r
 326         {\r
 327                 if(accel < 0)\r
 328                 {\r
 329                         // back accel is DIGITAL\r
 330                         // to prevent speedhack\r
 331                         if(accel < -0.5)\r
 332                                 accel = -1;\r
 333                         else\r
 334                                 accel = 0;\r
 335                 }\r
 336         }\r
 337 \r
 338         self.angles_x = 0;\r
 339         self.angles_z = 0;\r
 340         makevectors(self.angles); // new forward direction!\r
 341 \r
 342         float myspeed, upspeed, steerfactor, accelfactor;\r
 343         if(self.flags & FL_ONGROUND || g_bugrigs_air_steering)\r
 344         {\r
 345                 myspeed = self.velocity * v_forward;\r
 346                 upspeed = self.velocity * v_up;\r
 347 \r
 348                 // responsiveness factor for steering and acceleration\r
 349                 f = 1 / (1 + pow(max(-myspeed, myspeed) / g_bugrigs_speed_ref, g_bugrigs_speed_pow));\r
 350                 //MAXIMA: f(v) := 1 / (1 + (v / g_bugrigs_speed_ref) ^ g_bugrigs_speed_pow);\r
 351 \r
 352                 if(myspeed < 0 && g_bugrigs_reverse_spinning)\r
 353                         steerfactor = -myspeed * g_bugrigs_steer;\r
 354                 else\r
 355                         steerfactor = -myspeed * f * g_bugrigs_steer;\r
 356 \r
 357                 if(myspeed < 0 && g_bugrigs_reverse_speeding)\r
 358                         accelfactor = g_bugrigs_accel;\r
 359                 else\r
 360                         accelfactor = f * g_bugrigs_accel;\r
 361                 //MAXIMA: accel(v) := f(v) * g_bugrigs_accel;\r
 362 \r
 363                 if(accel < 0)\r
 364                 {\r
 365                         if(myspeed > 0)\r
 366                         {\r
 367                                 myspeed = max(0, myspeed - frametime * (g_bugrigs_friction_floor - g_bugrigs_friction_brake * accel));\r
 368                         }\r
 369                         else\r
 370                         {\r
 371                                 if(!g_bugrigs_reverse_speeding)\r
 372                                         myspeed = min(0, myspeed + frametime * g_bugrigs_friction_floor);\r
 373                         }\r
 374                 }\r
 375                 else\r
 376                 {\r
 377                         if(myspeed >= 0)\r
 378                         {\r
 379                                 myspeed = max(0, myspeed - frametime * g_bugrigs_friction_floor);\r
 380                         }\r
 381                         else\r
 382                         {\r
 383                                 if(g_bugrigs_reverse_stopping)\r
 384                                         myspeed = 0;\r
 385                                 else\r
 386                                         myspeed = min(0, myspeed + frametime * (g_bugrigs_friction_floor + g_bugrigs_friction_brake * accel));\r
 387                         }\r
 388                 }\r
 389                 // terminal velocity = velocity at which 50 == accelfactor, that is, 1549 units/sec\r
 390                 //MAXIMA: friction(v) := g_bugrigs_friction_floor;\r
 391 \r
 392                 self.angles_y += steer * frametime * steerfactor; // apply steering\r
 393                 makevectors(self.angles); // new forward direction!\r
 394 \r
 395                 myspeed += accel * accelfactor * frametime;\r
 396 \r
 397                 rigvel = myspeed * v_forward + '0 0 1' * upspeed;\r
 398         }\r
 399         else\r
 400         {\r
 401                 myspeed = vlen(self.velocity);\r
 402 \r
 403                 // responsiveness factor for steering and acceleration\r
 404                 f = 1 / (1 + pow(max(0, myspeed / g_bugrigs_speed_ref), g_bugrigs_speed_pow));\r
 405                 steerfactor = -myspeed * f;\r
 406                 self.angles_y += steer * frametime * steerfactor; // apply steering\r
 407 \r
 408                 rigvel = self.velocity;\r
 409                 makevectors(self.angles); // new forward direction!\r
 410         }\r
 411 \r
 412         rigvel = rigvel * max(0, 1 - vlen(rigvel) * g_bugrigs_friction_air * frametime);\r
 413         //MAXIMA: airfriction(v) := v * v * g_bugrigs_friction_air;\r
 414         //MAXIMA: total_acceleration(v) := accel(v) - friction(v) - airfriction(v);\r
 415         //MAXIMA: solve(total_acceleration(v) = 0, v);\r
 416 \r
 417         if(g_bugrigs_planar_movement)\r
 418         {\r
 419                 vector rigvel_xy, neworigin, up;\r
 420                 float mt;\r
 421 \r
 422                 rigvel_z -= frametime * sv_gravity; // 4x gravity plays better\r
 423                 rigvel_xy = rigvel;\r
 424                 rigvel_xy_z = 0;\r
 425 \r
 426                 if(g_bugrigs_planar_movement_car_jumping && !g_touchexplode) // touchexplode is a better way to handle collisions\r
 427                         mt = MOVE_NORMAL;\r
 428                 else\r
 429                         mt = MOVE_NOMONSTERS;\r
 430 \r
 431                 tracebox(self.origin, self.mins, self.maxs, self.origin + '0 0 1024', mt, self);\r
 432                 up = trace_endpos - self.origin;\r
 433 \r
 434                 // BUG RIGS: align the move to the surface instead of doing collision testing\r
 435                 // can we move?\r
 436                 tracebox(trace_endpos, self.mins, self.maxs, trace_endpos + rigvel_xy * frametime, mt, self);\r
 437 \r
 438                 // align to surface\r
 439                 tracebox(trace_endpos, self.mins, self.maxs, trace_endpos - up + '0 0 1' * rigvel_z * frametime, mt, self);\r
 440 \r
 441                 if(trace_fraction < 0.5)\r
 442                 {\r
 443                         trace_fraction = 1;\r
 444                         neworigin = self.origin;\r
 445                 }\r
 446                 else\r
 447                         neworigin = trace_endpos;\r
 448 \r
 449                 if(trace_fraction < 1)\r
 450                 {\r
 451                         // now set angles_x so that the car points parallel to the surface\r
 452                         self.angles = vectoangles(\r
 453                                         '1 0 0' * v_forward_x * trace_plane_normal_z\r
 454                                         +\r
 455                                         '0 1 0' * v_forward_y * trace_plane_normal_z\r
 456                                         +\r
 457                                         '0 0 1' * -(v_forward_x * trace_plane_normal_x + v_forward_y * trace_plane_normal_y)\r
 458                                         );\r
 459                         self.flags |= FL_ONGROUND;\r
 460                 }\r
 461                 else\r
 462                 {\r
 463                         // now set angles_x so that the car points forward, but is tilted in velocity direction\r
 464                         self.flags &~= FL_ONGROUND;\r
 465                 }\r
 466 \r
 467                 self.velocity = (neworigin - self.origin) * (1.0 / frametime);\r
 468                 self.movetype = MOVETYPE_NOCLIP;\r
 469         }\r
 470         else\r
 471         {\r
 472                 rigvel_z -= frametime * sv_gravity; // 4x gravity plays better\r
 473                 self.velocity = rigvel;\r
 474                 self.movetype = MOVETYPE_FLY;\r
 475         }\r
 476 \r
 477         trace_fraction = 1;\r
 478         tracebox(self.origin, self.mins, self.maxs, self.origin - '0 0 4', MOVE_NORMAL, self);\r
 479         if(trace_fraction != 1)\r
 480         {\r
 481                 self.angles = vectoangles2(\r
 482                                 '1 0 0' * v_forward_x * trace_plane_normal_z\r
 483                                 +\r
 484                                 '0 1 0' * v_forward_y * trace_plane_normal_z\r
 485                                 +\r
 486                                 '0 0 1' * -(v_forward_x * trace_plane_normal_x + v_forward_y * trace_plane_normal_y),\r
 487                                 trace_plane_normal\r
 488                                 );\r
 489         }\r
 490         else\r
 491         {\r
 492                 vector vel_local;\r
 493 \r
 494                 vel_local_x = v_forward * self.velocity;\r
 495                 vel_local_y = v_right * self.velocity;\r
 496                 vel_local_z = v_up * self.velocity;\r
 497 \r
 498                 self.angles_x = racecar_angle(vel_local_x, vel_local_z);\r
 499                 self.angles_z = racecar_angle(-vel_local_y, vel_local_z);\r
 500         }\r
 501 \r
 502         // smooth the angles\r
 503         vector vf1, vu1, smoothangles;\r
 504         makevectors(self.angles);\r
 505         f = bound(0, frametime * g_bugrigs_angle_smoothing, 1);\r
 506         if(f == 0)\r
 507                 f = 1;\r
 508         vf1 = v_forward * f;\r
 509         vu1 = v_up * f;\r
 510         makevectors(angles_save);\r
 511         vf1 = vf1 + v_forward * (1 - f);\r
 512         vu1 = vu1 + v_up * (1 - f);\r
 513         smoothangles = vectoangles2(vf1, vu1);\r
 514         self.angles_x = -smoothangles_x;\r
 515         self.angles_z =  smoothangles_z;\r
 516 }\r
 517 \r
 518 float IsMoveInDirection(vector mv, float angle) // key mix factor\r
 519 {\r
 520         if(mv_x == 0 && mv_y == 0)\r
 521                 return 0; // avoid division by zero\r
 522         angle = RAD2DEG * atan2(mv_y, mv_x);\r
 523         angle = remainder(angle, 360) / 45;\r
 524         if(angle >  1)\r
 525                 return 0;\r
 526         if(angle < -1)\r
 527                 return 0;\r
 528         return 1 - fabs(angle);\r
 529 }\r
 530 \r
 531 void CPM_PM_Aircontrol(vector wishdir, float wishspeed)\r
 532 {\r
 533         float zspeed, xyspeed, dot, k;\r
 534 \r
 535 #if 0\r
 536         // this doesn't play well with analog input\r
 537         if(self.movement_x == 0 || self.movement_y != 0)\r
 538                 return; // can't control movement if not moving forward or backward\r
 539         k = 32;\r
 540 #else\r
 541         k = 32 * (2 * IsMoveInDirection(self.movement, 0) - 1);\r
 542         if(k <= 0)\r
 543                 return;\r
 544 #endif\r
 545 \r
 546         k *= bound(0, wishspeed / sv_maxairspeed, 1);\r
 547 \r
 548         zspeed = self.velocity_z;\r
 549         self.velocity_z = 0;\r
 550         xyspeed = vlen(self.velocity); self.velocity = normalize(self.velocity);\r
 551 \r
 552         dot = self.velocity * wishdir;\r
 553         k *= sv_aircontrol*dot*dot*frametime;\r
 554 \r
 555         if(dot > 0) // we can't change direction while slowing down\r
 556         {\r
 557                 self.velocity = normalize(self.velocity * xyspeed + wishdir * k);\r
 558         }\r
 559 \r
 560         self.velocity = self.velocity * xyspeed;\r
 561         self.velocity_z = zspeed;\r
 562 }\r
 563 \r
 564 // example config for alternate speed clamping:\r
 565 //   sv_airaccel_qw 0.8\r
 566 //   sv_airaccel_sideways_friction 0\r
 567 //   prvm_globalset server speedclamp_mode 1\r
 568 //     (or 2)\r
 569 void PM_Accelerate(vector wishdir, float wishspeed, float wishspeed0, float accel, float accelqw, float sidefric)\r
 570 {\r
 571         float vel_straight;\r
 572         float vel_z;\r
 573         vector vel_perpend;\r
 574         float step;\r
 575 \r
 576         vector vel_xy;\r
 577         float vel_xy_current;\r
 578         float vel_xy_backward, vel_xy_forward;\r
 579         float speedclamp;\r
 580 \r
 581         speedclamp = (accelqw < 0);\r
 582         if(speedclamp)\r
 583                 accelqw = -accelqw;\r
 584 \r
 585         if(self.classname == "player")\r
 586         {\r
 587                 if(cvar("g_balance_vore_load_pred_weight") > 0) // apply stomach weight\r
 588                         wishspeed /= 1 + (self.stomach_load / self.stomach_maxload) * cvar("g_balance_vore_load_pred_speed");\r
 589                 if(cvar("g_healthsize")) // if we are smaller or larger, we run slower or faster\r
 590                         wishspeed *= (1 - cvar("g_healthsize_movementfactor")) + cvar("g_healthsize_movementfactor") * self.scale; \r
 591                 if(self.swallow_progress_prey) // cut speed based on swallow progress for prey\r
 592                         wishspeed *= 1 - (self.swallow_progress_prey * cvar("g_balance_vore_swallow_speed_cutspd_prey"));\r
 593                 if(self.swallow_progress_pred) // cut speed based on swallow progress for preds\r
 594                         wishspeed *= 1 - (self.swallow_progress_pred * cvar("g_balance_vore_swallow_speed_cutspd_pred"));\r
 595                 if(self.grabber_stunned > time && random() <= cvar("g_balance_grabber_secondary_stun_rate")) // randomly cut speed while the player is stunned\r
 596                         return;\r
 597         }\r
 598 \r
 599         if(cvar("sv_gameplayfix_q2airaccelerate"))\r
 600                 wishspeed0 = wishspeed;\r
 601 \r
 602         vel_straight = self.velocity * wishdir;\r
 603         vel_z = self.velocity_z;\r
 604         vel_xy = self.velocity - vel_z * '0 0 1';\r
 605         vel_perpend = vel_xy - vel_straight * wishdir;\r
 606 \r
 607         step = accel * frametime * wishspeed0;\r
 608 \r
 609         vel_xy_current  = vlen(vel_xy);\r
 610         vel_xy_forward  = vel_xy_current + bound(0, wishspeed - vel_xy_current, step) * accelqw + step * (1 - accelqw);\r
 611         vel_xy_backward = vel_xy_current - bound(0, wishspeed + vel_xy_current, step) * accelqw - step * (1 - accelqw);\r
 612         if(vel_xy_backward < 0)\r
 613                 vel_xy_backward = 0; // not that it REALLY occurs that this would cause wrong behaviour afterwards\r
 614 \r
 615         vel_straight = vel_straight + bound(0, wishspeed - vel_straight, step) * accelqw + step * (1 - accelqw);\r
 616 \r
 617         if(sidefric < 0 && (vel_perpend*vel_perpend))\r
 618                 // negative: only apply so much sideways friction to stay below the speed you could get by "braking"\r
 619         {\r
 620                 float f, fminimum;\r
 621                 f = max(0, 1 + frametime * wishspeed * sidefric);\r
 622                 fminimum = (vel_xy_backward*vel_xy_backward - vel_straight*vel_straight) / (vel_perpend*vel_perpend);\r
 623                 // this cannot be > 1\r
 624                 if(fminimum <= 0)\r
 625                         vel_perpend = vel_perpend * max(0, f);\r
 626                 else\r
 627                 {\r
 628                         fminimum = sqrt(fminimum);\r
 629                         vel_perpend = vel_perpend * max(fminimum, f);\r
 630                 }\r
 631         }\r
 632         else\r
 633                 vel_perpend = vel_perpend * max(0, 1 - frametime * wishspeed * sidefric);\r
 634         \r
 635         vel_xy = vel_straight * wishdir + vel_perpend;\r
 636         \r
 637         if(speedclamp)\r
 638         {\r
 639                 // ensure we don't get too fast or decelerate faster than we should\r
 640                 vel_xy_current = min(vlen(vel_xy), vel_xy_forward);\r
 641                 if(vel_xy_current > 0) // prevent division by zero\r
 642                         vel_xy = normalize(vel_xy) * vel_xy_current;\r
 643         }\r
 644 \r
 645         self.velocity = vel_xy + vel_z * '0 0 1';\r
 646 }\r
 647 \r
 648 void PM_AirAccelerate(vector wishdir, float wishspeed)\r
 649 {\r
 650         vector curvel, wishvel, acceldir, curdir;\r
 651         float addspeed, accelspeed, curspeed, f;\r
 652         float dot;\r
 653 \r
 654         if(wishspeed == 0)\r
 655                 return;\r
 656 \r
 657         curvel = self.velocity;\r
 658         curvel_z = 0;\r
 659         curspeed = vlen(curvel);\r
 660 \r
 661         if(wishspeed > curspeed * 1.01)\r
 662         {\r
 663                 wishspeed = min(wishspeed, curspeed + sv_warsowbunny_airforwardaccel * sv_maxspeed * frametime);\r
 664         }\r
 665         else\r
 666         {\r
 667                 f = max(0, (sv_warsowbunny_topspeed - curspeed) / (sv_warsowbunny_topspeed - sv_maxspeed));\r
 668                 wishspeed = max(curspeed, sv_maxspeed) + sv_warsowbunny_accel * f * sv_maxspeed * frametime;\r
 669         }\r
 670         wishvel = wishdir * wishspeed;\r
 671         acceldir = wishvel - curvel;\r
 672         addspeed = vlen(acceldir);\r
 673         acceldir = normalize(acceldir);\r
 674 \r
 675         accelspeed = min(addspeed, sv_warsowbunny_turnaccel * sv_maxspeed * frametime);\r
 676 \r
 677         if(sv_warsowbunny_backtosideratio < 1)\r
 678         {\r
 679                 curdir = normalize(curvel);\r
 680                 dot = acceldir * curdir;\r
 681                 if(dot < 0)\r
 682                         acceldir = acceldir - (1 - sv_warsowbunny_backtosideratio) * dot * curdir;\r
 683         }\r
 684 \r
 685         self.velocity += accelspeed * acceldir;\r
 686 }\r
 687 \r
 688 .vector movement_old;\r
 689 .float buttons_old;\r
 690 .vector v_angle_old;\r
 691 .string lastclassname;\r
 692 \r
 693 .float() PlayerPhysplug;\r
 694 \r
 695 string specialcommand = "xwxwxsxsxaxdxaxdx1x ";\r
 696 .float specialcommand_pos;\r
 697 void SpecialCommand()\r
 698 {\r
 699 #ifdef TETRIS\r
 700         TetrisImpulse();\r
 701 #else\r
 702         if(!CheatImpulse(99))\r
 703                 print("A hollow voice says \"Plugh\".\n");\r
 704 #endif\r
 705 }\r
 706 \r
 707 float speedaward_speed;\r
 708 string speedaward_holder;\r
 709 void race_send_speedaward(float msg)\r
 710 {\r
 711         // send the best speed of the round\r
 712         WriteByte(msg, SVC_TEMPENTITY);\r
 713         WriteByte(msg, TE_CSQC_RACE);\r
 714         WriteByte(msg, RACE_NET_SPEED_AWARD);\r
 715         WriteInt24_t(msg, floor(speedaward_speed+0.5));\r
 716         WriteString(msg, speedaward_holder);\r
 717 }\r
 718 \r
 719 float speedaward_alltimebest;\r
 720 string speedaward_alltimebest_holder;\r
 721 void race_send_speedaward_alltimebest(float msg)\r
 722 {\r
 723         // send the best speed\r
 724         WriteByte(msg, SVC_TEMPENTITY);\r
 725         WriteByte(msg, TE_CSQC_RACE);\r
 726         WriteByte(msg, RACE_NET_SPEED_AWARD_BEST);\r
 727         WriteInt24_t(msg, floor(speedaward_alltimebest+0.5));\r
 728         WriteString(msg, speedaward_alltimebest_holder);\r
 729 }\r
 730 \r
 731 string GetMapname(void);\r
 732 float speedaward_lastupdate;\r
 733 float speedaward_lastsent;\r
 734 .float jumppadusetime;\r
 735 void SV_PlayerPhysics()\r
 736 {\r
 737         local vector wishvel, wishdir, v;\r
 738         local float wishspeed, f, maxspd_mod, spd, maxairspd, airaccel, swampspd_mod, buttons;\r
 739         string temps;\r
 740         float buttons_prev;\r
 741         float not_allowed_to_move;\r
 742         string c;\r
 743 \r
 744     if(self.PlayerPhysplug)\r
 745         if(self.PlayerPhysplug())\r
 746             return;\r
 747 \r
 748         self.race_movetime_frac += frametime;\r
 749         f = floor(self.race_movetime_frac);\r
 750         self.race_movetime_frac -= f;\r
 751         self.race_movetime_count += f;\r
 752         self.race_movetime = self.race_movetime_frac + self.race_movetime_count;\r
 753 \r
 754         anticheat_physics();\r
 755 \r
 756         buttons = self.BUTTON_ATCK + 2 * self.BUTTON_JUMP + 4 * self.BUTTON_ATCK2 + 8 * self.BUTTON_ZOOM + 16 * self.BUTTON_CROUCH + 32 * self.BUTTON_JETPACK + 64 * self.BUTTON_USE + 128 * (self.movement_x < 0) + 256 * (self.movement_x > 0) + 512 * (self.movement_y < 0) + 1024 * (self.movement_y > 0);\r
 757 \r
 758         if(!buttons)\r
 759                 c = "x";\r
 760         else if(buttons == 1)\r
 761                 c = "1";\r
 762         else if(buttons == 2)\r
 763                 c = " ";\r
 764         else if(buttons == 128)\r
 765                 c = "s";\r
 766         else if(buttons == 256)\r
 767                 c = "w";\r
 768         else if(buttons == 512)\r
 769                 c = "a";\r
 770         else if(buttons == 1024)\r
 771                 c = "d";\r
 772         else\r
 773                 c = "?";\r
 774 \r
 775         if(c == substring(specialcommand, self.specialcommand_pos, 1))\r
 776         {\r
 777                 self.specialcommand_pos += 1;\r
 778                 if(self.specialcommand_pos >= strlen(specialcommand))\r
 779                 {\r
 780                         self.specialcommand_pos = 0;\r
 781                         SpecialCommand();\r
 782                         return;\r
 783                 }\r
 784         }\r
 785         else if(self.specialcommand_pos && (c != substring(specialcommand, self.specialcommand_pos - 1, 1)))\r
 786                 self.specialcommand_pos = 0;\r
 787 \r
 788         if(!sv_maxidle_spectatorsareidle || self.movetype == MOVETYPE_WALK)\r
 789         {\r
 790                 if(buttons != self.buttons_old || self.movement != self.movement_old || self.v_angle != self.v_angle_old)\r
 791                         self.parm_idlesince = time;\r
 792         }\r
 793         buttons_prev = self.buttons_old;\r
 794         self.buttons_old = buttons;\r
 795         self.movement_old = self.movement;\r
 796         self.v_angle_old = self.v_angle;\r
 797 \r
 798         if(time < self.nickspamtime)\r
 799         if(self.nickspamcount >= cvar("g_nick_flood_penalty_yellow"))\r
 800         {\r
 801                 // slight annoyance for nick change scripts\r
 802                 self.movement = -1 * self.movement;\r
 803                 self.BUTTON_ATCK = self.BUTTON_JUMP = self.BUTTON_ATCK2 = self.BUTTON_ZOOM = self.BUTTON_CROUCH = self.BUTTON_JETPACK = self.BUTTON_USE = 0;\r
 804 \r
 805                 if(self.nickspamcount >= cvar("g_nick_flood_penalty_red")) // if you are persistent and the slight annoyance above does not stop you, I'll show you!\r
 806                 {\r
 807                         self.angles_x = random() * 360;\r
 808                         self.angles_y = random() * 360;\r
 809                         // at least I'm not forcing retardedview by also assigning to angles_z\r
 810                         self.fixangle = 1;\r
 811                 }\r
 812         }\r
 813 \r
 814         if (self.punchangle != '0 0 0')\r
 815         {\r
 816                 f = vlen(self.punchangle) - cvar("sv_punchangle_speed") * frametime;\r
 817                 if (f > 0)\r
 818                         self.punchangle = normalize(self.punchangle) * f;\r
 819                 else\r
 820                         self.punchangle = '0 0 0';\r
 821         }\r
 822 \r
 823         if (self.punchvector != '0 0 0')\r
 824         {\r
 825                 f = vlen(self.punchvector) - cvar("sv_punchvector_speed") * frametime;\r
 826                 if (f > 0)\r
 827                         self.punchvector = normalize(self.punchvector) * f;\r
 828                 else\r
 829                         self.punchvector = '0 0 0';\r
 830         }\r
 831 \r
 832         if (clienttype(self) == CLIENTTYPE_BOT)\r
 833         {\r
 834                 if(playerdemo_read())\r
 835                         return;\r
 836                 bot_think();\r
 837         }\r
 838 \r
 839         self.items &~= IT_USING_JETPACK;\r
 840 \r
 841         if(self.classname == "player")\r
 842         {\r
 843                 if(self.race_penalty)\r
 844                         if(time > self.race_penalty)\r
 845                                 self.race_penalty = 0;\r
 846 \r
 847                 not_allowed_to_move = 0;\r
 848                 if(self.race_penalty)\r
 849                         not_allowed_to_move = 1;\r
 850                 if(!cvar("sv_ready_restart_after_countdown"))\r
 851                 if(time < game_starttime)\r
 852                         not_allowed_to_move = 1;\r
 853 \r
 854                 if(not_allowed_to_move)\r
 855                 {\r
 856                         self.velocity = '0 0 0';\r
 857                         self.movetype = MOVETYPE_NONE;\r
 858                         self.disableclientprediction = 2;\r
 859                 }\r
 860                 else if(self.disableclientprediction == 2)\r
 861                 {\r
 862                         if(self.movetype == MOVETYPE_NONE)\r
 863                                 self.movetype = MOVETYPE_WALK;\r
 864                         self.disableclientprediction = 0;\r
 865                 }\r
 866         }\r
 867 \r
 868         if(self.stat_eaten)\r
 869                 return;\r
 870 \r
 871         if (self.movetype == MOVETYPE_NONE)\r
 872                 return;\r
 873 \r
 874         maxspd_mod = 1;\r
 875 \r
 876         swampspd_mod = 1;\r
 877         if(self.in_swamp) {\r
 878                 swampspd_mod = self.swamp_slowdown; //cvar("g_balance_swamp_moverate");\r
 879         }\r
 880 \r
 881         if(self.classname != "player")\r
 882         {\r
 883                 maxspd_mod = cvar("sv_spectator_speed_multiplier");\r
 884                 if(!self.spectatorspeed)\r
 885                         self.spectatorspeed = maxspd_mod;\r
 886                 if(self.impulse && self.impulse <= 19)\r
 887                 {\r
 888                         if(self.lastclassname != "player")\r
 889                         {\r
 890                                 if(self.impulse == 10 || self.impulse == 15 || self.impulse == 18)\r
 891                                         self.spectatorspeed = bound(1, self.spectatorspeed + 0.5, 5);\r
 892                                 else if(self.impulse == 11)\r
 893                                         self.spectatorspeed = maxspd_mod;\r
 894                                 else if(self.impulse == 12 || self.impulse == 16  || self.impulse == 19)\r
 895                                         self.spectatorspeed = bound(1, self.spectatorspeed - 0.5, 5);\r
 896                                 else if(self.impulse >= 1 && self.impulse <= 9)\r
 897                                         self.spectatorspeed = 1 + 0.5 * (self.impulse - 1);\r
 898                         } // otherwise just clear\r
 899                         self.impulse = 0;\r
 900                 }\r
 901                 maxspd_mod = self.spectatorspeed;\r
 902         }\r
 903 \r
 904         spd = max(sv_maxspeed, sv_maxairspeed) * maxspd_mod * swampspd_mod;\r
 905         if(self.speed != spd)\r
 906         {\r
 907                 self.speed = spd;\r
 908                 temps = ftos(spd);\r
 909                 stuffcmd(self, strcat("cl_forwardspeed ", temps, "\n"));\r
 910                 stuffcmd(self, strcat("cl_backspeed ", temps, "\n"));\r
 911                 stuffcmd(self, strcat("cl_sidespeed ", temps, "\n"));\r
 912                 stuffcmd(self, strcat("cl_upspeed ", temps, "\n"));\r
 913         }\r
 914 \r
 915         maxspd_mod *= swampspd_mod; // only one common speed modder please!\r
 916         swampspd_mod = 1;\r
 917 \r
 918         // if dead, behave differently\r
 919         if (self.deadflag)\r
 920                 goto end;\r
 921 \r
 922         if (!self.fixangle && !g_bugrigs)\r
 923         {\r
 924                 self.angles_x = 0;\r
 925                 self.angles_y = self.v_angle_y;\r
 926                 self.angles_z = 0;\r
 927         }\r
 928 \r
 929         if(self.flags & FL_ONGROUND)\r
 930         if(self.wasFlying)\r
 931         {\r
 932                 self.wasFlying = 0;\r
 933 \r
 934                 if(self.classname == "player")\r
 935                 if(self.waterlevel < WATERLEVEL_SWIMMING)\r
 936                 if(time >= self.ladder_time)\r
 937                 if not(self.grabber)\r
 938                 {\r
 939                         self.nextstep = time + 0.3 + random() * 0.1;\r
 940                         trace_dphitq3surfaceflags = 0;\r
 941                         tracebox(self.origin, self.mins, self.maxs, self.origin - '0 0 1', MOVE_NOMONSTERS, self);\r
 942                         if not(trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOSTEPS)\r
 943                         {\r
 944                                 if(cvar("g_healthsize"))\r
 945                                 {\r
 946                                         if(trace_dphitq3surfaceflags & Q3SURFACEFLAG_METALSTEPS)\r
 947                                         {\r
 948                                                 GlobalSound(globalsound_metalfall, CHAN_PLAYER, VOICETYPE_PLAYERSOUND, bound(0, VOL_BASE * (1 - playersize_micro(self)), 1));\r
 949                                                 pointparticles(particleeffectnum("ground_metal"), self.origin, '0 0 0', floor(self.scale * PARTICLE_MULTIPLIER));\r
 950                                         }\r
 951                                         else\r
 952                                         {\r
 953                                                 GlobalSound(globalsound_fall, CHAN_PLAYER, VOICETYPE_PLAYERSOUND, bound(0, VOL_BASE * (1 - playersize_micro(self)), 1));\r
 954                                                 pointparticles(particleeffectnum("ground_dirt"), self.origin, '0 0 0', floor(self.scale * PARTICLE_MULTIPLIER));\r
 955                                         }\r
 956                                         sound(self, CHAN_AUTO, "misc/macro_hitground.wav", bound(0, VOL_BASE * playersize_macro(self), 1), ATTN_NORM);\r
 957 \r
 958                                         // earthquake effect for nearby players when a macro falls\r
 959                                         if(cvar("g_healthsize_quake_fall"))\r
 960                                         {\r
 961                                                 entity head;\r
 962                                                 for(head = findradius(self.origin, cvar("g_healthsize_quake_fall_radius")); head; head = head.chain)\r
 963                                                 {\r
 964                                                         if not(head.classname == "player" || head.classname == "spectator")\r
 965                                                                 continue;\r
 966                                                         if(head == self || head.spectatee_status == num_for_edict(self))\r
 967                                                                 continue; // not for self\r
 968                                                         if not(head.flags & FL_ONGROUND)\r
 969                                                                 continue; // we only feel the ground shaking if we are sitting on it\r
 970                                                         if(head.stat_eaten)\r
 971                                                                 continue; // not for prey\r
 972 \r
 973                                                         float shake;\r
 974                                                         shake = vlen(head.origin - self.origin);\r
 975                                                         if(shake)\r
 976                                                                 shake = 1 - bound(0, shake / cvar("g_healthsize_quake_fall_radius"), 1);\r
 977                                                         shake *= playersize_macro(self) * cvar("g_healthsize_quake_fall");\r
 978 \r
 979                                                         head.punchvector_x += crandom() * shake;\r
 980                                                         head.punchvector_y += crandom() * shake;\r
 981                                                         head.punchvector_z += crandom() * shake;\r
 982                                                 }\r
 983                                         }\r
 984                                 }\r
 985                                 else\r
 986                                 {\r
 987                                         if(trace_dphitq3surfaceflags & Q3SURFACEFLAG_METALSTEPS)\r
 988                                         {\r
 989                                                 GlobalSound(globalsound_metalfall, CHAN_PLAYER, VOICETYPE_PLAYERSOUND, VOL_BASE);\r
 990                                                 pointparticles(particleeffectnum("ground_metal"), self.origin, '0 0 0', PARTICLE_MULTIPLIER);\r
 991                                         }\r
 992                                         else\r
 993                                         {\r
 994                                                 GlobalSound(globalsound_fall, CHAN_PLAYER, VOICETYPE_PLAYERSOUND, VOL_BASE);\r
 995                                                 pointparticles(particleeffectnum("ground_dirt"), self.origin, '0 0 0', PARTICLE_MULTIPLIER);\r
 996                                         }\r
 997                                 }\r
 998                         }\r
 999                 }\r
1000         }\r
1001 \r
1002         if(IsFlying(self))\r
1003                 self.wasFlying = 1;\r
1004 \r
1005         if(self.classname == "player")\r
1006         {\r
1007                 if(self.flags & FL_ONGROUND)\r
1008                 {\r
1009                         if (cvar("g_multijump") > 0)\r
1010                                 self.multijump_count = 0;\r
1011                         else\r
1012                                 self.multijump_count = -2; // the cvar value for infinite jumps is -1, so this needs to be smaller\r
1013                 }\r
1014 \r
1015                 if (self.BUTTON_JUMP)\r
1016                         PlayerJump ();\r
1017                 else\r
1018                         self.flags |= FL_JUMPRELEASED;\r
1019 \r
1020                 if (self.waterlevel == WATERLEVEL_SWIMMING)\r
1021                         CheckWaterJump ();\r
1022                 self.prevjumpbutton = self.BUTTON_JUMP;\r
1023         }\r
1024 \r
1025         if (self.flags & FL_WATERJUMP )\r
1026         {\r
1027                 self.velocity_x = self.movedir_x;\r
1028                 self.velocity_y = self.movedir_y;\r
1029                 if (time > self.teleport_time || self.waterlevel == WATERLEVEL_NONE)\r
1030                 {\r
1031                         self.flags &~= FL_WATERJUMP;\r
1032                         self.teleport_time = 0;\r
1033                 }\r
1034         }\r
1035         else if (g_bugrigs && self.classname == "player")\r
1036         {\r
1037                 RaceCarPhysics();\r
1038         }\r
1039         else if (self.movetype == MOVETYPE_NOCLIP || self.movetype == MOVETYPE_FLY || self.movetype == MOVETYPE_FLY_WORLDONLY)\r
1040         {\r
1041                 // noclipping or flying\r
1042                 self.flags &~= FL_ONGROUND;\r
1043 \r
1044                 self.velocity = self.velocity * (1 - frametime * sv_friction);\r
1045                 makevectors(self.v_angle);\r
1046                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;\r
1047                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;\r
1048                 // acceleration\r
1049                 wishdir = normalize(wishvel);\r
1050                 wishspeed = vlen(wishvel);\r
1051                 if (wishspeed > sv_maxspeed*maxspd_mod)\r
1052                         wishspeed = sv_maxspeed*maxspd_mod;\r
1053                 if (time >= self.teleport_time)\r
1054                         PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);\r
1055         }\r
1056         else if (self.waterlevel >= WATERLEVEL_SWIMMING)\r
1057         {\r
1058                 // swimming\r
1059                 self.flags &~= FL_ONGROUND;\r
1060 \r
1061                 makevectors(self.v_angle);\r
1062                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;\r
1063                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;\r
1064                 if (wishvel == '0 0 0')\r
1065                         wishvel = '0 0 -60'; // drift towards bottom\r
1066 \r
1067                 wishdir = normalize(wishvel);\r
1068                 wishspeed = vlen(wishvel);\r
1069                 if (wishspeed > sv_maxspeed*maxspd_mod)\r
1070                         wishspeed = sv_maxspeed*maxspd_mod;\r
1071                 wishspeed = wishspeed * 0.7;\r
1072 \r
1073                 // water friction\r
1074                 self.velocity = self.velocity * (1 - frametime * sv_friction);\r
1075 \r
1076                 // water acceleration\r
1077                 PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);\r
1078         }\r
1079         else if (time < self.ladder_time)\r
1080         {\r
1081                 // on a spawnfunc_func_ladder or swimming in spawnfunc_func_water\r
1082                 self.flags &~= FL_ONGROUND;\r
1083 \r
1084                 self.velocity = self.velocity * (1 - frametime * sv_friction);\r
1085                 makevectors(self.v_angle);\r
1086                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;\r
1087                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;\r
1088                 if (self.gravity)\r
1089                         self.velocity_z = self.velocity_z + self.gravity * sv_gravity * frametime;\r
1090                 else\r
1091                         self.velocity_z = self.velocity_z + sv_gravity * frametime;\r
1092                 if (self.ladder_entity.classname == "func_water")\r
1093                 {\r
1094                         f = vlen(wishvel);\r
1095                         if (f > self.ladder_entity.speed)\r
1096                                 wishvel = wishvel * (self.ladder_entity.speed / f);\r
1097 \r
1098                         self.watertype = self.ladder_entity.skin;\r
1099                         f = self.ladder_entity.origin_z + self.ladder_entity.maxs_z;\r
1100                         if ((self.origin_z + self.view_ofs_z) < f)\r
1101                                 self.waterlevel = WATERLEVEL_SUBMERGED;\r
1102                         else if ((self.origin_z + (self.mins_z + self.maxs_z) * 0.5) < f)\r
1103                                 self.waterlevel = WATERLEVEL_SWIMMING;\r
1104                         else if ((self.origin_z + self.mins_z + 1) < f)\r
1105                                 self.waterlevel = WATERLEVEL_WETFEET;\r
1106                         else\r
1107                         {\r
1108                                 self.waterlevel = WATERLEVEL_NONE;\r
1109                                 self.watertype = CONTENT_EMPTY;\r
1110                         }\r
1111                 }\r
1112                 // acceleration\r
1113                 wishdir = normalize(wishvel);\r
1114                 wishspeed = vlen(wishvel);\r
1115                 if (wishspeed > sv_maxspeed*maxspd_mod)\r
1116                         wishspeed = sv_maxspeed*maxspd_mod;\r
1117                 if (time >= self.teleport_time)\r
1118                 {\r
1119                         // water acceleration\r
1120                         PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);\r
1121                 }\r
1122         }\r
1123         else if ((self.items & IT_JETPACK) && self.BUTTON_JETPACK && (!cvar("g_jetpack_fuel") || self.ammo_fuel >= 0.01 || self.items & IT_UNLIMITED_WEAPON_AMMO) && !self.stat_eaten)\r
1124         {\r
1125                 //makevectors(self.v_angle_y * '0 1 0');\r
1126                 makevectors(self.v_angle);\r
1127                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;\r
1128                 // add remaining speed as Z component\r
1129                 maxairspd = sv_maxairspeed*max(1, maxspd_mod);\r
1130                 // fix speedhacks :P\r
1131                 wishvel = normalize(wishvel) * min(vlen(wishvel) / maxairspd, 1);\r
1132                 // add the unused velocity as up component\r
1133                 wishvel_z = 0;\r
1134 \r
1135                 // if(self.BUTTON_JUMP)\r
1136                         wishvel_z = sqrt(max(0, 1 - wishvel * wishvel));\r
1137 \r
1138                 // it is now normalized, so...\r
1139                 float a_side, a_up, a_add, a_diff;\r
1140                 a_side = cvar("g_jetpack_acceleration_side");\r
1141                 a_up = cvar("g_jetpack_acceleration_up");\r
1142                 a_add = cvar("g_jetpack_antigravity") * sv_gravity;\r
1143 \r
1144                 wishvel_x *= a_side;\r
1145                 wishvel_y *= a_side;\r
1146                 wishvel_z *= a_up;\r
1147                 wishvel_z += a_add;\r
1148 \r
1149                 float best;\r
1150                 best = 0;\r
1151                 //////////////////////////////////////////////////////////////////////////////////////\r
1152                 // finding the maximum over all vectors of above form\r
1153                 // with wishvel having an absolute value of 1\r
1154                 //////////////////////////////////////////////////////////////////////////////////////\r
1155                 // we're finding the maximum over\r
1156                 //   f(a_side, a_up, a_add, z) := a_side * (1 - z^2) + (a_add + a_up * z)^2;\r
1157                 // for z in the range from -1 to 1\r
1158                 //////////////////////////////////////////////////////////////////////////////////////\r
1159                 // maximum is EITHER attained at the single extreme point:\r
1160                 a_diff = a_side * a_side - a_up * a_up;\r
1161                 if(a_diff != 0)\r
1162                 {\r
1163                         f = a_add * a_up / a_diff; // this is the zero of diff(f(a_side, a_up, a_add, z), z)\r
1164                         if(f > -1 && f < 1) // can it be attained?\r
1165                         {\r
1166                                 best = (a_diff + a_add * a_add) * (a_diff + a_up * a_up) / a_diff;\r
1167                                 //print("middle\n");\r
1168                         }\r
1169                 }\r
1170                 // OR attained at z = 1:\r
1171                 f = (a_up + a_add) * (a_up + a_add);\r
1172                 if(f > best)\r
1173                 {\r
1174                         best = f;\r
1175                         //print("top\n");\r
1176                 }\r
1177                 // OR attained at z = -1:\r
1178                 f = (a_up - a_add) * (a_up - a_add);\r
1179                 if(f > best)\r
1180                 {\r
1181                         best = f;\r
1182                         //print("bottom\n");\r
1183                 }\r
1184                 best = sqrt(best);\r
1185                 //////////////////////////////////////////////////////////////////////////////////////\r
1186 \r
1187                 //print("best possible acceleration: ", ftos(best), "\n");\r
1188 \r
1189                 float fxy, fz;\r
1190                 fxy = bound(0, 1 - (self.velocity * normalize(wishvel_x * '1 0 0' + wishvel_y * '0 1 0')) / cvar("g_jetpack_maxspeed_side"), 1);\r
1191                 if(wishvel_z - sv_gravity > 0)\r
1192                         fz = bound(0, 1 - self.velocity_z / cvar("g_jetpack_maxspeed_up"), 1);\r
1193                 else\r
1194                         fz = bound(0, 1 + self.velocity_z / cvar("g_jetpack_maxspeed_up"), 1);\r
1195 \r
1196                 float fvel;\r
1197                 fvel = vlen(wishvel);\r
1198                 wishvel_x *= fxy;\r
1199                 wishvel_y *= fxy;\r
1200                 wishvel_z = (wishvel_z - sv_gravity) * fz + sv_gravity;\r
1201 \r
1202                 fvel = min(1, vlen(wishvel) / best);\r
1203                 if(cvar("g_jetpack_fuel") && !(self.items & IT_UNLIMITED_WEAPON_AMMO))\r
1204                         f = min(1, self.ammo_fuel / (cvar("g_jetpack_fuel") * frametime * fvel));\r
1205                 else\r
1206                         f = 1;\r
1207 \r
1208                 //print("this acceleration: ", ftos(vlen(wishvel) * f), "\n");\r
1209 \r
1210                 if (f > 0 && wishvel != '0 0 0')\r
1211                 {\r
1212                         self.velocity = self.velocity + wishvel * f * frametime;\r
1213                         if not(self.items & IT_UNLIMITED_WEAPON_AMMO)\r
1214                                 self.ammo_fuel -= cvar("g_jetpack_fuel") * frametime * fvel * f;\r
1215                         self.flags &~= FL_ONGROUND;\r
1216                         self.items |= IT_USING_JETPACK;\r
1217 \r
1218                         // jetpack also inhibits health regeneration, but only for 1 second\r
1219                         self.pauseregenhealth_finished = max(self.pauseregenhealth_finished, time + cvar("g_balance_pause_fuel_regen"));\r
1220                 }\r
1221         }\r
1222         else if (self.flags & FL_ONGROUND)\r
1223         {\r
1224                 // we get here if we ran out of ammo\r
1225                 if((self.items & IT_JETPACK) && self.BUTTON_JETPACK && !(buttons_prev & 32) && !self.stat_eaten)\r
1226                         sprint(self, "You don't have any fuel for the ^2Jetpack\n");\r
1227 \r
1228                 // walking\r
1229                 makevectors(self.v_angle_y * '0 1 0');\r
1230                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;\r
1231 \r
1232                 if(!(self.lastflags & FL_ONGROUND))\r
1233                 {\r
1234                         if(cvar("speedmeter"))\r
1235                                 dprint(strcat("landing velocity: ", vtos(self.velocity), " (abs: ", ftos(vlen(self.velocity)), ")\n"));\r
1236                         if(self.lastground < time - 0.3)\r
1237                                 self.velocity = self.velocity * (1 - cvar("sv_friction_on_land"));\r
1238                         if(self.jumppadcount > 1)\r
1239                                 dprint(strcat(ftos(self.jumppadcount), "x jumppad combo\n"));\r
1240                         self.jumppadcount = 0;\r
1241                 }\r
1242 \r
1243 #ifdef LETS_TEST_FTEQCC\r
1244                 if(self.velocity_x || self.velocity_y)\r
1245                 {\r
1246                         // good\r
1247                 }\r
1248                 else\r
1249                 {\r
1250                         if(self.velocity_x)\r
1251                                 checkclient();\r
1252                         if(self.velocity_y)\r
1253                                 checkclient();\r
1254                 }\r
1255 #endif\r
1256 \r
1257                 v = self.velocity;\r
1258                 v_z = 0;\r
1259                 f = vlen(v);\r
1260                 if(f > 0)\r
1261                 {\r
1262                         if (f < sv_stopspeed)\r
1263                                 f = 1 - frametime * (sv_stopspeed / f) * sv_friction;\r
1264                         else\r
1265                                 f = 1 - frametime * sv_friction;\r
1266                         if (f > 0)\r
1267                                 self.velocity = self.velocity * f;\r
1268                         else\r
1269                                 self.velocity = '0 0 0';\r
1270                 }\r
1271 \r
1272                 // acceleration\r
1273                 wishdir = normalize(wishvel);\r
1274                 wishspeed = vlen(wishvel);\r
1275                 if (wishspeed > sv_maxspeed*maxspd_mod)\r
1276                         wishspeed = sv_maxspeed*maxspd_mod;\r
1277                 if (self.crouch)\r
1278                         wishspeed = wishspeed * cvar("sv_crouchvelocity");\r
1279                 if (time >= self.teleport_time)\r
1280                         PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);\r
1281         }\r
1282         else\r
1283         {\r
1284                 float wishspeed0;\r
1285                 // we get here if we ran out of ammo\r
1286                 if((self.items & IT_JETPACK) && self.BUTTON_JETPACK && !(buttons_prev & 32) && !self.stat_eaten)\r
1287                         sprint(self, "You don't have any fuel for the ^2Jetpack\n");\r
1288 \r
1289                 if(maxspd_mod < 1)\r
1290                 {\r
1291                         maxairspd = sv_maxairspeed*maxspd_mod;\r
1292                         airaccel = sv_airaccelerate*maxspd_mod;\r
1293                 }\r
1294                 else\r
1295                 {\r
1296                         maxairspd = sv_maxairspeed;\r
1297                         airaccel = sv_airaccelerate;\r
1298                 }\r
1299                 // airborn\r
1300                 makevectors(self.v_angle_y * '0 1 0');\r
1301                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;\r
1302                 // acceleration\r
1303                 wishdir = normalize(wishvel);\r
1304                 wishspeed = wishspeed0 = vlen(wishvel);\r
1305                 if (wishspeed0 > sv_maxspeed*maxspd_mod)\r
1306                         wishspeed0 = sv_maxspeed*maxspd_mod;\r
1307                 if (wishspeed > maxairspd)\r
1308                         wishspeed = maxairspd;\r
1309                 if (self.crouch)\r
1310                         wishspeed = wishspeed * cvar("sv_crouchvelocity");\r
1311                 if (time >= self.teleport_time)\r
1312                 {\r
1313                         float accelerating;\r
1314                         float wishspeed2;\r
1315                         float airaccelqw;\r
1316 \r
1317                         airaccelqw = sv_airaccel_qw;\r
1318                         accelerating = (self.velocity * wishdir > 0);\r
1319                         wishspeed2 = wishspeed;\r
1320 \r
1321                         // CPM\r
1322                         if(sv_airstopaccelerate)\r
1323                                 if(self.velocity * wishdir < 0)\r
1324                                         airaccel = sv_airstopaccelerate*maxspd_mod;\r
1325                         // this doesn't play well with analog input, but can't r\r
1326                         // fixed like the AirControl can. So, don't set the maxa\r
1327                         // cvars when you want to support analog input.\r
1328                         if(self.movement_x == 0 && self.movement_y != 0)\r
1329                         {\r
1330                                 if(sv_maxairstrafespeed)\r
1331                                 {\r
1332                                         wishspeed = min(wishspeed, sv_maxairstrafespeed*maxspd_mod);\r
1333                                         if(sv_maxairstrafespeed < sv_maxairspeed)\r
1334                                                 airaccelqw = 1;\r
1335                                 }\r
1336                                 if(sv_airstrafeaccelerate)\r
1337                                 {\r
1338                                         airaccel = sv_airstrafeaccelerate*maxspd_mod;\r
1339                                         if(sv_airstrafeaccelerate > sv_airaccelerate)\r
1340                                                 airaccelqw = 1;\r
1341                                 }\r
1342                         }\r
1343                         // !CPM\r
1344 \r
1345                         if(sv_warsowbunny_turnaccel && accelerating && self.movement_y == 0 && self.movement_x != 0)\r
1346                                 PM_AirAccelerate(wishdir, wishspeed);\r
1347                         else\r
1348                                 PM_Accelerate(wishdir, wishspeed, wishspeed0, airaccel, airaccelqw, sv_airaccel_sideways_friction / maxairspd);\r
1349 \r
1350                         if(sv_aircontrol)\r
1351                                 CPM_PM_Aircontrol(wishdir, wishspeed2);\r
1352                 }\r
1353         }\r
1354 \r
1355         // dodging code\r
1356         if (cvar("g_dodging") == 0 || self.waterlevel >= WATERLEVEL_SWIMMING) // when swimming, no dodging allowed..\r
1357         {\r
1358                 self.dodging_action = 0;\r
1359                 self.dodging_direction_x = 0;\r
1360                 self.dodging_direction_y = 0;\r
1361         }\r
1362         else\r
1363                 PlayerDodge();\r
1364 \r
1365         if((g_cts || g_race) && self.classname != "observer") {\r
1366                 if(vlen(self.velocity - self.velocity_z * '0 0 1') > speedaward_speed) {\r
1367                         speedaward_speed = vlen(self.velocity - self.velocity_z * '0 0 1');\r
1368                         speedaward_holder = self.netname;\r
1369                         speedaward_lastupdate = time;\r
1370                 }\r
1371                 if(speedaward_speed > speedaward_lastsent && time - speedaward_lastupdate > 1) {\r
1372                         string rr;\r
1373                         if(g_cts)\r
1374                                 rr = CTS_RECORD;\r
1375                         else\r
1376                                 rr = RACE_RECORD;\r
1377                         race_send_speedaward(MSG_ALL);\r
1378                         speedaward_lastsent = speedaward_speed;\r
1379                         if (speedaward_speed > speedaward_alltimebest) {\r
1380                                 speedaward_alltimebest = speedaward_speed;\r
1381                                 speedaward_alltimebest_holder = speedaward_holder;\r
1382                                 db_put(ServerProgsDB, strcat(GetMapname(), rr, "speed/speed"), ftos(speedaward_alltimebest));\r
1383                                 db_put(ServerProgsDB, strcat(GetMapname(), rr, "speed/netname"), speedaward_alltimebest_holder);\r
1384                                 race_send_speedaward_alltimebest(MSG_ALL);\r
1385                         }\r
1386                 }\r
1387         }\r
1388 \r
1389         if(vlen(self.velocity) > cvar("g_deathspeed"))\r
1390                 Damage(self, world, world, 100000, DEATH_KILL, self.origin, '0 0 0');\r
1391 \r
1392 :end\r
1393         if(self.flags & FL_ONGROUND)\r
1394                 self.lastground = time;\r
1395 \r
1396         self.lastflags = self.flags;\r
1397         self.lastclassname = self.classname;\r
1398 };\r