qcsrc/client/view.qc

   1 #include "view.qh"
   2
   3 #include <client/announcer.qh>
   4 #include <client/csqcmodel_hooks.qh>
   5 #include <client/draw.qh>
   6 #include <client/hud/_mod.qh>
   7 #include <client/hud/panel/quickmenu.qh>
   8 #include <client/hud/panel/scoreboard.qh>
   9 #include <client/mapvoting.qh>
  10 #include <client/mutators/_mod.qh>
  11 #include <client/shownames.qh>
  12 #include <common/anim.qh>
  13 #include <common/animdecide.qh>
  14 #include <common/constants.qh>
  15 #include <common/deathtypes/all.qh>
  16 #include <common/debug.qh>
  17 #include <common/ent_cs.qh>
  18 #include <common/gamemodes/_mod.qh>
  19 #include <common/mapinfo.qh>
  20 #include <common/mapobjects/target/music.qh>
  21 #include <common/mapobjects/trigger/viewloc.qh>
  22 #include <common/minigames/cl_minigames.qh>
  23 #include <common/minigames/cl_minigames_hud.qh>
  24 #include <common/mutators/mutator/waypoints/all.qh>
  25 #include <common/net_linked.qh>
  26 #include <common/net_notice.qh>
  27 #include <common/physics/player.qh>
  28 #include <common/stats.qh>
  29 #include <common/teams.qh>
  30 #include <common/vehicles/all.qh>
  31 #include <common/viewloc.qh>
  32 #include <common/weapons/_all.qh>
  33 #include <common/weapons/weapon/tuba.qh>
  34 #include <common/wepent.qh>
  35 #include <lib/csqcmodel/cl_model.qh>
  36 #include <lib/csqcmodel/cl_player.qh>
  37 #include <lib/warpzone/client.qh>
  38 #include <lib/warpzone/common.qh>
  39
  40 float autocvar_cl_viewmodel_scale;
  41 float autocvar_cl_viewmodel_alpha = 1;
  42
  43 bool autocvar_cl_bobmodel;
  44 float autocvar_cl_bobmodel_speed;
  45 float autocvar_cl_bobmodel_side;
  46 float autocvar_cl_bobmodel_up;
  47
  48 float autocvar_cl_followmodel;
  49 float autocvar_cl_followmodel_speed = 0.3;
  50 float autocvar_cl_followmodel_limit = 135;
  51 float autocvar_cl_followmodel_velocity_lowpass = 0.05;
  52 float autocvar_cl_followmodel_highpass = 0.05;
  53 float autocvar_cl_followmodel_lowpass = 0.03;
  54 bool autocvar_cl_followmodel_velocity_absolute;
  55
  56 float autocvar_cl_leanmodel;
  57 float autocvar_cl_leanmodel_speed = 0.3;
  58 float autocvar_cl_leanmodel_limit = 30;
  59 float autocvar_cl_leanmodel_highpass1 = 0.2;
  60 float autocvar_cl_leanmodel_highpass = 0.2;
  61 float autocvar_cl_leanmodel_lowpass = 0.05;
  62
  63 #define avg_factor(avg_time) (1 - exp(-frametime / max(0.001, avg_time)))
  64
  65 #define lowpass(value, frac, ref_store, ret) \
  66         ret = ref_store = ref_store * (1 - frac) + (value) * frac;
  67
  68 #define lowpass_limited(value, frac, limit, ref_store, ret) MACRO_BEGIN \
  69         float __ignore; lowpass(value, frac, ref_store, __ignore); \
  70         ret = ref_store = bound((value) - (limit), ref_store, (value) + (limit)); \
  71 MACRO_END
  72
  73 #define highpass(value, frac, ref_store, ret) MACRO_BEGIN \
  74         float __f = 0; lowpass(value, frac, ref_store, __f); \
  75         ret = (value) - __f; \
  76 MACRO_END
  77
  78 #define highpass_limited(value, frac, limit, ref_store, ret) MACRO_BEGIN \
  79         float __f = 0; lowpass_limited(value, frac, limit, ref_store, __f); \
  80         ret = (value) - __f; \
  81 MACRO_END
  82
  83 #define lowpass2(value, frac, ref_store, ref_out) MACRO_BEGIN \
  84         lowpass(value.x, frac, ref_store.x, ref_out.x); \
  85         lowpass(value.y, frac, ref_store.y, ref_out.y); \
  86 MACRO_END
  87
  88 #define highpass2(value, frac, ref_store, ref_out) MACRO_BEGIN \
  89         highpass(value.x, frac, ref_store.x, ref_out.x); \
  90         highpass(value.y, frac, ref_store.y, ref_out.y); \
  91 MACRO_END
  92
  93 #define highpass2_limited(value, frac, limit, ref_store, ref_out) MACRO_BEGIN \
  94         highpass_limited(value.x, frac, limit, ref_store.x, ref_out.x); \
  95         highpass_limited(value.y, frac, limit, ref_store.y, ref_out.y); \
  96 MACRO_END
  97
  98 #define lowpass3(value, frac, ref_store, ref_out) MACRO_BEGIN \
  99         lowpass(value.x, frac, ref_store.x, ref_out.x); \
 100         lowpass(value.y, frac, ref_store.y, ref_out.y); \
 101         lowpass(value.z, frac, ref_store.z, ref_out.z); \
 102 MACRO_END
 103
 104 #define highpass3(value, frac, ref_store, ref_out) MACRO_BEGIN \
 105         highpass(value.x, frac, ref_store.x, ref_out.x); \
 106         highpass(value.y, frac, ref_store.y, ref_out.y); \
 107         highpass(value.z, frac, ref_store.z, ref_out.z); \
 108 MACRO_END
 109
 110 void calc_followmodel_ofs(entity view)
 111 {
 112         if(cl_followmodel_time == time)
 113                 return; // cl_followmodel_ofs already calculated for this frame
 114
 115         float frac;
 116         vector gunorg = '0 0 0';
 117         static vector vel_average;
 118         static vector gunorg_adjustment_highpass;
 119         static vector gunorg_adjustment_lowpass;
 120
 121         vector vel;
 122         if (autocvar_cl_followmodel_velocity_absolute)
 123                 vel = view.velocity;
 124         else
 125         {
 126                 vector forward, right, up;
 127                 MAKE_VECTORS(view_angles, forward, right, up);
 128                 vel.x = view.velocity * forward;
 129                 vel.y = view.velocity * right * -1;
 130                 vel.z = view.velocity * up;
 131         }
 132
 133         vel.x = bound(vel_average.x - autocvar_cl_followmodel_limit, vel.x, vel_average.x + autocvar_cl_followmodel_limit);
 134         vel.y = bound(vel_average.y - autocvar_cl_followmodel_limit, vel.y, vel_average.y + autocvar_cl_followmodel_limit);
 135         vel.z = bound(vel_average.z - autocvar_cl_followmodel_limit, vel.z, vel_average.z + autocvar_cl_followmodel_limit);
 136
 137         frac = avg_factor(autocvar_cl_followmodel_velocity_lowpass);
 138         lowpass3(vel, frac, vel_average, gunorg);
 139
 140         gunorg *= -autocvar_cl_followmodel_speed * 0.042;
 141
 142         // perform highpass/lowpass on the adjustment vectors (turning velocity into acceleration!)
 143         // trick: we must do the lowpass LAST, so the lowpass vector IS the final vector!
 144         frac = avg_factor(autocvar_cl_followmodel_highpass);
 145         highpass3(gunorg, frac, gunorg_adjustment_highpass, gunorg);
 146         frac = avg_factor(autocvar_cl_followmodel_lowpass);
 147         lowpass3(gunorg, frac, gunorg_adjustment_lowpass, gunorg);
 148
 149         if (autocvar_cl_followmodel_velocity_absolute)
 150         {
 151                 vector fixed_gunorg;
 152                 vector forward, right, up;
 153                 MAKE_VECTORS(view_angles, forward, right, up);
 154                 fixed_gunorg.x = gunorg * forward;
 155                 fixed_gunorg.y = gunorg * right * -1;
 156                 fixed_gunorg.z = gunorg * up;
 157                 gunorg = fixed_gunorg;
 158         }
 159
 160         cl_followmodel_ofs = gunorg;
 161         cl_followmodel_time = time;
 162 }
 163
 164 vector leanmodel_ofs(entity view)
 165 {
 166         float frac;
 167         vector gunangles = '0 0 0';
 168         static vector gunangles_prev = '0 0 0';
 169         static vector gunangles_highpass = '0 0 0';
 170         static vector gunangles_adjustment_highpass;
 171         static vector gunangles_adjustment_lowpass;
 172
 173         if (view.csqcmodel_teleported)
 174                 gunangles_prev = view_angles;
 175
 176         // in the highpass, we _store_ the DIFFERENCE to the actual view angles...
 177         gunangles_highpass += gunangles_prev;
 178         PITCH(gunangles_highpass) += 360 * floor((PITCH(view_angles) - PITCH(gunangles_highpass)) / 360 + 0.5);
 179         YAW(gunangles_highpass) += 360 * floor((YAW(view_angles) - YAW(gunangles_highpass)) / 360 + 0.5);
 180         ROLL(gunangles_highpass) += 360 * floor((ROLL(view_angles) - ROLL(gunangles_highpass)) / 360 + 0.5);
 181         frac = avg_factor(autocvar_cl_leanmodel_highpass1);
 182         highpass2_limited(view_angles, frac, autocvar_cl_leanmodel_limit, gunangles_highpass, gunangles);
 183         gunangles_prev = view_angles;
 184         gunangles_highpass -= gunangles_prev;
 185
 186         PITCH(gunangles) *= -autocvar_cl_leanmodel_speed;
 187         YAW(gunangles) *= -autocvar_cl_leanmodel_speed;
 188
 189         // we assume here: PITCH = 0, YAW = 1, ROLL = 2
 190         frac = avg_factor(autocvar_cl_leanmodel_highpass);
 191         highpass2(gunangles, frac, gunangles_adjustment_highpass, gunangles);
 192         frac = avg_factor(autocvar_cl_leanmodel_lowpass);
 193         lowpass2(gunangles, frac, gunangles_adjustment_lowpass, gunangles);
 194
 195         gunangles.x = -gunangles.x; // pitch was inverted, now that actually matters
 196
 197         return gunangles;
 198 }
 199
 200 vector bobmodel_ofs(entity view)
 201 {
 202         bool clonground = !(view.anim_implicit_state & ANIMIMPLICITSTATE_INAIR);
 203         static bool oldonground;
 204         static float hitgroundtime;
 205         if (clonground)
 206         {
 207                 float f = time; // cl.movecmd[0].time
 208                 if (!oldonground)
 209                         hitgroundtime = f;
 210         }
 211         oldonground = clonground;
 212
 213         // calculate for swinging gun model
 214         // the gun bobs when running on the ground, but doesn't bob when you're in the air.
 215         vector gunorg = '0 0 0';
 216         static float bobmodel_scale = 0;
 217         static float time_ofs = 0; // makes the effect always restart in the same way
 218         if (clonground)
 219         {
 220                 if (time - hitgroundtime > 0.05)
 221                         bobmodel_scale = min(1, bobmodel_scale + frametime * 5);
 222         }
 223         else
 224                 bobmodel_scale = max(0, bobmodel_scale - frametime * 5);
 225
 226         float xyspeed = bound(0, vlen(vec2(view.velocity)), 400);
 227         if (bobmodel_scale && xyspeed)
 228         {
 229                 float bspeed = xyspeed * 0.01 * autocvar_cl_viewmodel_scale * bobmodel_scale;
 230                 float s = (time - time_ofs) * autocvar_cl_bobmodel_speed;
 231                 gunorg.y = bspeed * autocvar_cl_bobmodel_side * sin(s);
 232                 gunorg.z = bspeed * autocvar_cl_bobmodel_up * cos(s * 2);
 233         }
 234         else
 235                 time_ofs = time;
 236
 237         return gunorg;
 238 }
 239
 240 void viewmodel_animate(entity this)
 241 {
 242         if (autocvar_chase_active) return;
 243         if (STAT(HEALTH) <= 0) return;
 244
 245         entity view = CSQCModel_server2csqc(player_localentnum - 1);
 246
 247         if (autocvar_cl_followmodel)
 248         {
 249                 calc_followmodel_ofs(view);
 250                 this.origin += cl_followmodel_ofs;
 251         }
 252
 253         if (autocvar_cl_leanmodel)
 254                 this.angles += leanmodel_ofs(view);
 255
 256         // vertical view bobbing code
 257         // TODO: cl_bob
 258
 259         // horizontal view bobbing code
 260         // TODO: cl_bob2
 261
 262         // fall bobbing code
 263         // causes the view to swing down and back up when touching the ground
 264         // TODO: cl_bobfall
 265
 266         // gun model bobbing code
 267         if (autocvar_cl_bobmodel)
 268                 this.origin += bobmodel_ofs(view);
 269 }
 270
 271 .vector viewmodel_origin, viewmodel_angles;
 272 .float weapon_nextthink;
 273 .float weapon_eta_last;
 274 .float weapon_switchdelay;
 275
 276 .string name_last;
 277
 278 void viewmodel_draw(entity this)
 279 {
 280         if(!this.activeweapon || !autocvar_r_drawviewmodel)
 281                 return;
 282         int mask = (intermission || (STAT(HEALTH) <= 0) || autocvar_chase_active) ? 0 : MASK_NORMAL;
 283         float a = ((autocvar_cl_viewmodel_alpha) ? bound(-1, autocvar_cl_viewmodel_alpha, this.m_alpha) : this.m_alpha);
 284         int wepskin = this.m_skin;
 285         bool invehicle = player_localentnum > maxclients;
 286         if (invehicle) a = -1;
 287         Weapon wep = this.activeweapon;
 288         int c = entcs_GetClientColors(current_player);
 289         vector g = weaponentity_glowmod(wep, NULL, c, this);
 290         entity me = CSQCModel_server2csqc(player_localentnum - 1);
 291         int fx = ((me.csqcmodel_effects & EFMASK_CHEAP)
 292                 | EF_NODEPTHTEST)
 293                 &~ (EF_FULLBRIGHT); // can mask team color, so get rid of it
 294         for (entity e = this; e; e = e.weaponchild)
 295         {
 296                 e.drawmask = mask;
 297                 e.alpha = a;
 298                 e.skin = wepskin;
 299                 e.colormap = 256 + c;  // colormap == 0 is black, c == 0 is white
 300                 e.glowmod = g;
 301                 e.csqcmodel_effects = fx;
 302                 CSQCModel_Effects_Apply(e);
 303         }
 304         if(a >= 0)
 305         {
 306                 string name = wep.mdl;
 307                 string newname = wep.wr_viewmodel(wep, this);
 308                 if(newname)
 309                         name = newname;
 310                 bool swap = name != this.name_last;
 311                 // if (swap)
 312                 {
 313                         this.name_last = name;
 314                         CL_WeaponEntity_SetModel(this, name, swap);
 315                         this.viewmodel_origin = this.origin;
 316                         this.viewmodel_angles = this.angles;
 317                 }
 318                 anim_update(this);
 319                 if ((!this.animstate_override && !this.animstate_looping) || time > this.animstate_endtime)
 320                         anim_set(this, this.anim_idle, true, false, false);
 321         }
 322         float f = 0; // 0..1; 0: fully active
 323         float rate = STAT(WEAPONRATEFACTOR);
 324         float eta = rate ? ((this.weapon_nextthink - time) / rate) : 0;
 325         if (eta <= 0) f = this.weapon_eta_last;
 326         else switch (this.state)
 327         {
 328                 case WS_RAISE:
 329                 {
 330                         f = eta / max(eta, this.weapon_switchdelay);
 331                         break;
 332                 }
 333                 case WS_DROP:
 334                 {
 335                         f = 1 - eta / max(eta, this.weapon_switchdelay);
 336                         break;
 337                 }
 338                 case WS_CLEAR:
 339                 {
 340                         f = 1;
 341                         break;
 342                 }
 343         }
 344         this.weapon_eta_last = f;
 345         this.origin = this.viewmodel_origin;
 346         this.angles = this.viewmodel_angles;
 347         this.angles_x = (-90 * f * f);
 348         viewmodel_animate(this);
 349         MUTATOR_CALLHOOK(DrawViewModel, this);
 350         setorigin(this, this.origin);
 351 }
 352
 353 STATIC_INIT(viewmodel) {
 354     for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
 355         viewmodels[slot] = new(viewmodel);
 356 }
 357
 358 vector project_3d_to_2d(vector vec)
 359 {
 360         vec = cs_project(vec);
 361         if(cs_project_is_b0rked > 0)
 362         {
 363                 vec.x *= vid_conwidth / vid_width;
 364                 vec.y *= vid_conheight / vid_height;
 365         }
 366         return vec;
 367 }
 368
 369 bool projected_on_screen(vector screen_pos)
 370 {
 371         return screen_pos.z >= 0
 372                 && screen_pos.x >= 0
 373                 && screen_pos.y >= 0
 374                 && screen_pos.x < vid_conwidth
 375                 && screen_pos.y < vid_conheight;
 376 }
 377
 378 void update_mousepos()
 379 {
 380         mousepos += getmousepos() * autocvar_menu_mouse_speed;
 381         mousepos.x = bound(0, mousepos.x, vid_conwidth);
 382         mousepos.y = bound(0, mousepos.y, vid_conheight);
 383 }
 384
 385 float showfps_prevfps;
 386 float showfps_prevfps_time;
 387 int showfps_framecounter;
 388
 389 void fpscounter_update()
 390 {
 391         if(!STAT(SHOWFPS))
 392                 return;
 393
 394         float currentTime = gettime(GETTIME_FRAMESTART);
 395
 396         showfps_framecounter += 1;
 397         if(currentTime - showfps_prevfps_time > STAT(SHOWFPS))
 398         {
 399                 showfps_prevfps = showfps_framecounter/(currentTime - showfps_prevfps_time);
 400                 showfps_framecounter = 0;
 401                 showfps_prevfps_time = currentTime;
 402
 403                 int channel = MSG_C2S;
 404                 WriteHeader(channel, fpsreport);
 405                 WriteShort(channel, bound(0, rint(showfps_prevfps), 65535)); // prevent insane fps values
 406         }
 407 }
 408
 409 STATIC_INIT(fpscounter_init)
 410 {
 411         float currentTime = gettime(GETTIME_FRAMESTART);
 412         showfps_prevfps_time = currentTime; // we must initialize it to avoid an instant low frame sending
 413 }
 414
 415 float avgspeed;
 416 vector GetCurrentFov(float fov)
 417 {
 418         float zoomsensitivity, zoomspeed, zoomfactor, zoomdir;
 419         float velocityzoom, curspeed;
 420         vector v;
 421
 422         zoomsensitivity = autocvar_cl_zoomsensitivity;
 423         zoomfactor = autocvar_cl_zoomfactor;
 424         if(zoomfactor < 1 || zoomfactor > 30)
 425                 zoomfactor = 2.5;
 426         zoomspeed = autocvar_cl_zoomspeed;
 427         if (zoomspeed >= 0 && (zoomspeed < 0.5 || zoomspeed > 16))
 428                 zoomspeed = 3.5;
 429
 430         zoomdir = button_zoom;
 431
 432         if(hud == HUD_NORMAL && !spectatee_status)
 433         {
 434                 for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
 435                 {
 436                         entity wepent = viewmodels[slot];
 437                         if(wepent.switchweapon != wepent.activeweapon)
 438                                 continue;
 439                         Weapon wep = wepent.activeweapon;
 440                         if(wep != WEP_Null && wep.wr_zoomdir)
 441                         {
 442                                 bool do_zoom = wep.wr_zoomdir(wep); // TODO: merge this with wr_zoom?
 443                                 zoomdir += do_zoom;
 444                         }
 445                 }
 446         }
 447         if(spectatee_status > 0 || isdemo())
 448         {
 449                 if(spectatorbutton_zoom)
 450                 {
 451                         if(zoomdir)
 452                                 zoomdir = 0;
 453                         else
 454                                 zoomdir = 1;
 455                 }
 456                 // fteqcc failed twice here already, don't optimize this
 457         }
 458
 459         if(zoomdir) { zoomin_effect = 0; }
 460
 461         if (spectatee_status > 0 && STAT(CAMERA_SPECTATOR) == 2)
 462         {
 463                 current_viewzoom = 1;
 464         }
 465         else if (camera_active)
 466         {
 467                 current_viewzoom = min(1, current_viewzoom + drawframetime);
 468         }
 469         else if(autocvar_cl_spawnzoom && zoomin_effect)
 470         {
 471                 float spawnzoomfactor = bound(1, autocvar_cl_spawnzoom_factor, 30);
 472
 473                 current_viewzoom += (autocvar_cl_spawnzoom_speed * (spawnzoomfactor - current_viewzoom) * drawframetime);
 474                 current_viewzoom = bound(1 / spawnzoomfactor, current_viewzoom, 1);
 475                 if(current_viewzoom == 1) { zoomin_effect = 0; }
 476         }
 477         else
 478         {
 479                 if(zoomspeed < 0) // instant zoom
 480                 {
 481                         if(zoomdir)
 482                                 current_viewzoom = 1 / zoomfactor;
 483                         else
 484                                 current_viewzoom = 1;
 485                 }
 486                 else
 487                 {
 488                         if(zoomdir)
 489                                 current_viewzoom = 1 / bound(1, 1 / current_viewzoom + drawframetime * zoomspeed * (zoomfactor - 1), zoomfactor);
 490                         else
 491                                 current_viewzoom = bound(1 / zoomfactor, current_viewzoom + drawframetime * zoomspeed * (1 - 1 / zoomfactor), 1);
 492                 }
 493         }
 494
 495         if(almost_equals(current_viewzoom, 1))
 496                 current_zoomfraction = 0;
 497         else if(almost_equals(current_viewzoom, 1/zoomfactor))
 498                 current_zoomfraction = 1;
 499         else
 500                 current_zoomfraction = (current_viewzoom - 1) / (1/zoomfactor - 1);
 501
 502         if(zoomsensitivity < 1)
 503                 setsensitivityscale(current_viewzoom ** (1 - zoomsensitivity));
 504         else
 505                 setsensitivityscale(1);
 506
 507         if(autocvar_cl_velocityzoom_enabled && autocvar_cl_velocityzoom_type && !autocvar_cl_lockview) // _type = 0 disables velocity zoom too
 508         {
 509                 if (intermission || (spectatee_status > 0 && STAT(CAMERA_SPECTATOR) == 2))
 510                         curspeed = 0;
 511                 else
 512                 {
 513                         vector forward, right, up;
 514                         MAKE_VECTORS(view_angles, forward, right, up);
 515                         v = pmove_vel;
 516                         if(csqcplayer)
 517                                 v = csqcplayer.velocity;
 518
 519                         switch(autocvar_cl_velocityzoom_type)
 520                         {
 521                                 case 3: curspeed = max(0, forward * v); break;
 522                                 case 2: curspeed = (forward * v); break;
 523                                 case 1: default: curspeed = vlen(v); break;
 524                         }
 525                 }
 526
 527                 velocityzoom = bound(0, drawframetime / max(0.000000001, autocvar_cl_velocityzoom_time), 1); // speed at which the zoom adapts to player velocity
 528                 avgspeed = avgspeed * (1 - velocityzoom) + (curspeed / autocvar_cl_velocityzoom_speed) * velocityzoom;
 529                 velocityzoom = exp(float2range11(avgspeed * -autocvar_cl_velocityzoom_factor / 1) * 1);
 530
 531                 //print(ftos(avgspeed), " avgspeed, ", ftos(curspeed), " curspeed, ", ftos(velocityzoom), " return\n"); // for debugging
 532         }
 533         else
 534                 velocityzoom = 1;
 535
 536         float frustumx, frustumy, fovx, fovy;
 537         frustumy = tan(fov * M_PI / 360.0) * 0.75 * current_viewzoom * velocityzoom;
 538         frustumx = frustumy * vid_width / vid_height / vid_pixelheight;
 539         fovx = atan2(frustumx, 1) / M_PI * 360.0;
 540         fovy = atan2(frustumy, 1) / M_PI * 360.0;
 541
 542         return '1 0 0' * fovx + '0 1 0' * fovy;
 543 }
 544
 545 vector GetViewLocationFOV(float fov)
 546 {
 547         float frustumy = tan(fov * M_PI / 360.0) * 0.75;
 548         float frustumx = frustumy * vid_width / vid_height / vid_pixelheight;
 549         float fovx = atan2(frustumx, 1) / M_PI * 360.0;
 550         float fovy = atan2(frustumy, 1) / M_PI * 360.0;
 551         return '1 0 0' * fovx + '0 1 0' * fovy;
 552 }
 553
 554 vector GetOrthoviewFOV(vector ov_worldmin, vector ov_worldmax, vector ov_mid, vector ov_org)
 555 {
 556         float fovx, fovy;
 557         float width = (ov_worldmax.x - ov_worldmin.x);
 558         float height = (ov_worldmax.y - ov_worldmin.y);
 559         float distance_to_middle_of_world = vlen(ov_mid - ov_org);
 560         fovx = atan2(width/2, distance_to_middle_of_world) / M_PI * 360.0;
 561         fovy = atan2(height/2, distance_to_middle_of_world) / M_PI * 360.0;
 562         return '1 0 0' * fovx + '0 1 0' * fovy;
 563 }
 564
 565 // this function must match W_SetupShot!
 566
 567 bool minigame_wasactive;
 568
 569 float camera_mode;
 570 const float CAMERA_FREE = 1;
 571 const float CAMERA_CHASE = 2;
 572 string NextFrameCommand;
 573
 574 vector freeze_org, freeze_ang;
 575 entity nightvision_noise, nightvision_noise2;
 576
 577 float myhealth, myhealth_prev;
 578 float myhealth_flash;
 579
 580 float old_blurradius, old_bluralpha;
 581 float old_sharpen_intensity;
 582
 583 vector myhealth_gentlergb;
 584
 585 float contentavgalpha, liquidalpha_prev;
 586 vector liquidcolor_prev;
 587
 588 float eventchase_current_distance;
 589 float eventchase_running;
 590 int WantEventchase(entity this, bool want_vehiclechase)
 591 {
 592         if(autocvar_cl_orthoview)
 593                 return 0;
 594         if(STAT(GAME_STOPPED) || intermission)
 595                 return 1;
 596         if(this.viewloc)
 597                 return 1;
 598         if(spectatee_status >= 0)
 599         {
 600                 if(want_vehiclechase)
 601                         return 1;
 602                 if(MUTATOR_CALLHOOK(WantEventchase, this))
 603                         return 1;
 604                 if(autocvar_cl_eventchase_frozen && STAT(FROZEN))
 605                         return 1;
 606                 if(autocvar_cl_eventchase_death && (STAT(HEALTH) <= 0))
 607                 {
 608                         if(autocvar_cl_eventchase_death == 2)
 609                         {
 610                                 // don't stop eventchase once it's started (even if velocity changes afterwards)
 611                                 if(this.velocity == '0 0 0' || eventchase_running)
 612                                         return 1;
 613                         }
 614                         else return 1;
 615                 }
 616                 if (spectatee_status > 0 && autocvar_cl_eventchase_spectated_change)
 617                 {
 618                         if (time <= spectatee_status_changed_time + min(3, autocvar_cl_eventchase_spectated_change_time))
 619                                 return 1;
 620                         else if (eventchase_running)
 621                                 return -1; // disable chase_active while eventchase is still enabled so to avoid a glicth
 622                 }
 623         }
 624         return 0;
 625 }
 626
 627 void View_EventChase(entity this)
 628 {
 629         // event chase camera
 630         if(autocvar_chase_active <= 0) // greater than 0 means it's enabled manually, and this code is skipped
 631         {
 632                 if(STAT(CAMERA_SPECTATOR))
 633                 {
 634                         if(spectatee_status > 0)
 635                         {
 636                                 if(!autocvar_chase_active)
 637                                 {
 638                                         cvar_set("chase_active", "-2");
 639                                         return;
 640                                 }
 641                         }
 642                         else if(autocvar_chase_active == -2)
 643                                 cvar_set("chase_active", "0");
 644
 645                         if(autocvar_chase_active == -2)
 646                                 return;
 647                 }
 648                 else if(autocvar_chase_active == -2)
 649                         cvar_set("chase_active", "0");
 650
 651                 bool vehicle_chase = (hud != HUD_NORMAL && (autocvar_cl_eventchase_vehicle || spectatee_status > 0));
 652
 653                 float vehicle_viewdist = 0;
 654                 vector vehicle_viewofs = '0 0 0';
 655
 656                 if(vehicle_chase)
 657                 {
 658                         if(hud != HUD_BUMBLEBEE_GUN)
 659                         {
 660                                 Vehicle info = REGISTRY_GET(Vehicles, hud);
 661                                 vehicle_viewdist = info.height;
 662                                 vehicle_viewofs = info.view_ofs;
 663                                 if(vehicle_viewdist < 0) // when set below 0, this vehicle doesn't use third person view (gunner slots)
 664                                         vehicle_chase = false;
 665                         }
 666                         else
 667                                 vehicle_chase = false;
 668                 }
 669
 670                 int eventchase = WantEventchase(this, vehicle_chase);
 671                 if (eventchase)
 672                 {
 673                         vector current_view_origin_override = '0 0 0';
 674                         vector view_offset_override = '0 0 0';
 675                         float chase_distance_override = 0;
 676                         bool custom_eventchase = MUTATOR_CALLHOOK(CustomizeEventchase, this);
 677                         if(custom_eventchase)
 678                         {
 679                                 current_view_origin_override = M_ARGV(0, vector);
 680                                 view_offset_override = M_ARGV(1, vector);
 681                                 chase_distance_override = M_ARGV(0, float);
 682                         }
 683                         eventchase_running = true;
 684
 685                         // make special vector since we can't use view_origin (It is one frame old as of this code, it gets set later with the results this code makes.)
 686                         vector current_view_origin = (csqcplayer ? csqcplayer.origin : pmove_org);
 687                         if (custom_eventchase)
 688                                 current_view_origin = current_view_origin_override;
 689
 690                         // detect maximum viewoffset and use it
 691                         vector view_offset = autocvar_cl_eventchase_viewoffset;
 692                         if(vehicle_chase)
 693                         {
 694                                 if(vehicle_viewofs)
 695                                         view_offset = vehicle_viewofs;
 696                                 else
 697                                         view_offset = autocvar_cl_eventchase_vehicle_viewoffset;
 698                         }
 699                         if (custom_eventchase)
 700                                 view_offset = view_offset_override;
 701
 702                         if(view_offset)
 703                         {
 704                                 WarpZone_TraceLine(current_view_origin, current_view_origin + view_offset + ('0 0 1' * autocvar_cl_eventchase_maxs.z), MOVE_WORLDONLY, this);
 705                                 if(trace_fraction == 1) { current_view_origin += view_offset; }
 706                                 else { current_view_origin.z += max(0, (trace_endpos.z - current_view_origin.z) - autocvar_cl_eventchase_maxs.z); }
 707                         }
 708
 709                         // We must enable chase_active to get a third person view (weapon viewmodel hidden and own player model showing).
 710                         // Ideally, there should be another way to enable third person cameras, such as through setproperty()
 711                         // -1 enables chase_active while marking it as set by this code, and not by the user (which would be 1)
 712                         if(!autocvar_chase_active) { cvar_set("chase_active", "-1"); }
 713
 714                         // make the camera smooth back
 715                         float chase_distance = autocvar_cl_eventchase_distance;
 716                         if(vehicle_chase)
 717                         {
 718                                 if(vehicle_viewofs)
 719                                         chase_distance = vehicle_viewdist;
 720                                 else
 721                                         chase_distance = autocvar_cl_eventchase_vehicle_distance;
 722                         }
 723                         if (custom_eventchase)
 724                                 chase_distance = chase_distance_override;
 725
 726                         if(autocvar_cl_eventchase_speed && eventchase_current_distance < chase_distance)
 727                                 eventchase_current_distance += autocvar_cl_eventchase_speed * (chase_distance - eventchase_current_distance) * frametime; // slow down the further we get
 728                         else if(eventchase_current_distance != chase_distance)
 729                                 eventchase_current_distance = chase_distance;
 730
 731                         vector forward, right, up;
 732                         MAKE_VECTORS(view_angles, forward, right, up);
 733
 734                         vector eventchase_target_origin = (current_view_origin - (forward * eventchase_current_distance));
 735                         WarpZone_TraceBox(current_view_origin, autocvar_cl_eventchase_mins, autocvar_cl_eventchase_maxs, eventchase_target_origin, MOVE_WORLDONLY, this);
 736
 737                         // If the boxtrace fails, revert back to line tracing.
 738                         if(!this.viewloc)
 739                         if(trace_startsolid)
 740                         {
 741                                 eventchase_target_origin = (current_view_origin - (forward * eventchase_current_distance));
 742                                 WarpZone_TraceLine(current_view_origin, eventchase_target_origin, MOVE_WORLDONLY, this);
 743                                 setproperty(VF_ORIGIN, (trace_endpos - (forward * autocvar_cl_eventchase_mins.z)));
 744                         }
 745                         else { setproperty(VF_ORIGIN, trace_endpos); }
 746
 747                         if(!this.viewloc)
 748                                 setproperty(VF_ANGLES, WarpZone_TransformVAngles(WarpZone_trace_transform, view_angles));
 749                 }
 750
 751                 if (eventchase <= 0 && autocvar_chase_active < 0) // time to disable chase_active if it was set by this code
 752                 {
 753                         eventchase_running = false;
 754                         cvar_set("chase_active", "0");
 755                         eventchase_current_distance = 0; // start from 0 next time
 756                 }
 757         }
 758         // workaround for camera stuck between player's legs when using chase_active 1
 759         // because the engine stops updating the chase_active camera when the game ends
 760         else if(intermission)
 761         {
 762                 cvar_settemp("chase_active", "-1");
 763                 eventchase_current_distance = 0;
 764         }
 765 }
 766
 767 vector damage_blurpostprocess, content_blurpostprocess;
 768
 769 void UpdateDamage()
 770 {
 771         // accumulate damage with each stat update
 772         static float damage_total_prev = 0;
 773         float damage_total = STAT(DAMAGE_DEALT_TOTAL);
 774         float unaccounted_damage_new = COMPARE_INCREASING(damage_total, damage_total_prev);
 775         damage_total_prev = damage_total;
 776
 777         static float damage_dealt_time_prev = 0;
 778         float damage_dealt_time = STAT(HIT_TIME);
 779         if (damage_dealt_time != damage_dealt_time_prev)
 780         {
 781                 unaccounted_damage += unaccounted_damage_new;
 782                 //LOG_TRACE("dmg total: ", ftos(unaccounted_damage), " (+", ftos(unaccounted_damage_new), ")");
 783         }
 784         damage_dealt_time_prev = damage_dealt_time;
 785
 786         // prevent hitsound when switching spectatee
 787         static float spectatee_status_prev = 0;
 788         if (spectatee_status != spectatee_status_prev)
 789                 unaccounted_damage = 0;
 790         spectatee_status_prev = spectatee_status;
 791 }
 792
 793 void HitSound()
 794 {
 795         // varying sound pitch
 796
 797         bool have_arc = false;
 798         for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
 799         {
 800                 entity wepent = viewmodels[slot];
 801
 802                 if(wepent.activeweapon == WEP_ARC)
 803                         have_arc = true;
 804         }
 805
 806         static float hitsound_time_prev = 0;
 807         // HACK: the only way to get the arc to sound consistent with pitch shift is to ignore cl_hitsound_antispam_time
 808         bool arc_hack = have_arc && autocvar_cl_hitsound >= 2;
 809         if (arc_hack || COMPARE_INCREASING(time, hitsound_time_prev) > autocvar_cl_hitsound_antispam_time)
 810         {
 811                 if (autocvar_cl_hitsound && unaccounted_damage)
 812                 {
 813                         // customizable gradient function that crosses (0,a), (c,1) and asymptotically approaches b
 814                         float a = autocvar_cl_hitsound_max_pitch;
 815                         float b = autocvar_cl_hitsound_min_pitch;
 816                         float c = autocvar_cl_hitsound_nom_damage;
 817                         float d = unaccounted_damage;
 818                         float pitch_shift = (b*d*(a-1) + a*c*(1-b)) / (d*(a-1) + c*(1-b));
 819
 820                         // if sound variation is disabled, set pitch_shift to 1
 821                         if (autocvar_cl_hitsound == 1)
 822                                 pitch_shift = 1;
 823
 824                         // if pitch shift is reversed, mirror in (max-min)/2 + min
 825                         if (autocvar_cl_hitsound == 3)
 826                         {
 827                                 float mirror_value = (a-b)/2 + b;
 828                                 pitch_shift = mirror_value + (mirror_value - pitch_shift);
 829                         }
 830
 831                         //LOG_TRACE("dmg total (dmg): ", ftos(unaccounted_damage), " , pitch shift: ", ftos(pitch_shift));
 832
 833                         // todo: avoid very long and very short sounds from wave stretching using different sound files? seems unnecessary
 834                         // todo: normalize sound pressure levels? seems unnecessary
 835
 836                         sound7(NULL, CH_INFO, SND(HIT), VOL_BASE, ATTN_NONE, pitch_shift * 100, 0);
 837                 }
 838                 unaccounted_damage = 0;
 839                 hitsound_time_prev = time;
 840         }
 841
 842         static float typehit_time_prev = 0;
 843         float typehit_time = STAT(TYPEHIT_TIME);
 844         if (COMPARE_INCREASING(typehit_time, typehit_time_prev) > autocvar_cl_hitsound_antispam_time)
 845         {
 846                 sound(NULL, CH_INFO, SND_TYPEHIT, VOL_BASE, ATTN_NONE);
 847                 typehit_time_prev = typehit_time;
 848         }
 849
 850         static float kill_time_prev = 0;
 851         float kill_time = STAT(KILL_TIME);
 852         if (COMPARE_INCREASING(kill_time, kill_time_prev) > autocvar_cl_hitsound_antispam_time)
 853         {
 854                 sound(NULL, CH_INFO, SND_KILL, VOL_BASE, ATTN_NONE);
 855                 kill_time_prev = kill_time;
 856         }
 857 }
 858
 859 const int MAX_SPECIALCOMMAND = 15;
 860 vector specialcommand_slots[MAX_SPECIALCOMMAND];
 861 vector specialcommand_colors[MAX_SPECIALCOMMAND];
 862 const float SPECIALCOMMAND_SPEED = 150;
 863 const float SPECIALCOMMAND_TURNSPEED = 2;
 864 const float SPECIALCOMMAND_SIZE = 0.025;
 865 const float SPECIALCOMMAND_CHANCE = 0.35;
 866 float sc_spawntime, sc_changetime;
 867 vector sc_color = '1 1 1';
 868 void SpecialCommand()
 869 {
 870         if(!STAT(MOVEVARS_SPECIALCOMMAND))
 871                 return;
 872
 873         if(time >= sc_changetime)
 874         {
 875                 sc_changetime = time + 1;
 876                 sc_color = randomvec() * 1.5;
 877                 sc_color.x = bound(0.2, sc_color.x, 0.75);
 878                 sc_color.y = bound(0.2, sc_color.y, 0.75);
 879                 sc_color.z = bound(0.2, sc_color.z, 0.75);
 880         }
 881         drawfill('0 0 0', vec2(vid_conwidth, vid_conheight), sc_color, autocvar_hud_colorflash_alpha * bound(0.1, sc_changetime - time, 0.3), DRAWFLAG_ADDITIVE);
 882
 883         if(!precache_pic("gfx/smile"))
 884                 return; // damn party poopers
 885
 886         for(int j = MAX_SPECIALCOMMAND - 1; j >= 0; --j)
 887         {
 888                 vector slot = specialcommand_slots[j];
 889                 if(slot.y)
 890                         slot.y += SPECIALCOMMAND_SPEED * frametime;
 891                 //if(slot.z)
 892                         //slot.z = sin(SPECIALCOMMAND_TURNSPEED * M_PI * time);
 893                 if(slot.y >= vid_conheight)
 894                         slot = '0 0 0';
 895
 896                 if(slot == '0 0 0')
 897                 {
 898                         if(random() <= SPECIALCOMMAND_CHANCE && time > sc_spawntime) // low chance to spawn!
 899                         {
 900                                 slot.x = bound(0, (random() * vid_conwidth + 1), vid_conwidth);
 901                                 slot.y = 1; // start it off 0 so we can use it
 902                                 slot.z = floor(random() * REGISTRY_MAX(Weapons));
 903                                 sc_spawntime = time + bound(0.4, random(), 0.75); // prevent spawning another one for this amount of time!
 904                                 vector newcolor = randomvec() * 2;
 905                                 newcolor.x = bound(0.4, newcolor.x, 1);
 906                                 newcolor.y = bound(0.4, newcolor.y, 1);
 907                                 newcolor.z = bound(0.4, newcolor.z, 1);
 908                                 specialcommand_colors[j] = newcolor;
 909                         }
 910                 }
 911                 else
 912                 {
 913                         vector splash_size = '0 0 0';
 914                         splash_size.x = max(vid_conwidth, vid_conheight) * SPECIALCOMMAND_SIZE;
 915                         splash_size.y = max(vid_conwidth, vid_conheight) * SPECIALCOMMAND_SIZE;
 916                         entity wep = REGISTRY_GET(Weapons, slot.z);
 917                         if(wep == WEP_Null)
 918                                 drawpic(vec2(slot), "gfx/smile", vec2(splash_size), specialcommand_colors[j], 0.95, DRAWFLAG_NORMAL);
 919                         else
 920                                 drawpic_skin(vec2(slot), wep.model2, vec2(splash_size), specialcommand_colors[j], 0.95, DRAWFLAG_NORMAL);
 921                         //drawrotpic(vec2(slot), slot.z, "gfx/smile", vec2(splash_size), vec2(splash_size) / 2, specialcommand_colors[j], 0.95, DRAWFLAG_NORMAL);
 922                 }
 923
 924                 specialcommand_slots[j] = slot;
 925         }
 926 }
 927
 928 void HUD_Draw(entity this)
 929 {
 930         // if we don't know gametype and scores yet avoid drawing the scoreboard
 931         // also in the very first frames, player state may be inconsistent so avoid drawing the hud at all
 932         // e.g. since initial player's health is 0 hud would display the hud_damage effect,
 933         // cl_deathscoreboard would show the scoreboard and so on
 934         if(!gametype)
 935                 return;
 936
 937         Hud_Dynamic_Frame();
 938
 939         if(!intermission)
 940         if (MUTATOR_CALLHOOK(HUD_Draw_overlay))
 941         {
 942                 drawfill('0 0 0', vec2(vid_conwidth, vid_conheight), M_ARGV(0, vector), autocvar_hud_colorflash_alpha * M_ARGV(1, float), DRAWFLAG_ADDITIVE);
 943         }
 944         else if(STAT(FROZEN))
 945         {
 946                 vector col = '0.25 0.90 1';
 947                 float col_fade = max(0, STAT(REVIVE_PROGRESS) * 2 - 1);
 948                 float alpha_fade = 0.3 + 0.7 * (1 - max(0, STAT(REVIVE_PROGRESS) * 4 - 3));
 949                 if(col_fade)
 950                         col += vec3(col_fade, -col_fade, -col_fade);
 951                 drawfill('0 0 0', vec2(vid_conwidth, vid_conheight), col, autocvar_hud_colorflash_alpha * alpha_fade, DRAWFLAG_ADDITIVE);
 952         }
 953
 954         HUD_Scale_Enable();
 955         if(!intermission)
 956         if(STAT(NADE_TIMER) && autocvar_cl_nade_timer) // give nade top priority, as it's a matter of life and death
 957         {
 958                 vector col = '0.25 0.90 1' + vec3(STAT(NADE_TIMER), -STAT(NADE_TIMER), -STAT(NADE_TIMER));
 959                 DrawCircleClippedPic(vec2(0.5 * vid_conwidth, 0.6 * vid_conheight), 0.1 * vid_conheight, "gfx/crosshair_ring.tga", STAT(NADE_TIMER), col, autocvar_hud_colorflash_alpha, DRAWFLAG_ADDITIVE);
 960                 drawstring_aspect(eY * 0.64 * vid_conheight, ((autocvar_cl_nade_timer == 2) ? _("Nade timer") : ""), vec2(vid_conwidth, 0.025 * vid_conheight), '1 1 1', 1, DRAWFLAG_NORMAL);
 961         }
 962         else if(STAT(CAPTURE_PROGRESS))
 963         {
 964                 DrawCircleClippedPic(vec2(0.5 * vid_conwidth, 0.6 * vid_conheight), 0.1 * vid_conheight, "gfx/crosshair_ring.tga", STAT(CAPTURE_PROGRESS), '0.25 0.90 1', autocvar_hud_colorflash_alpha, DRAWFLAG_ADDITIVE);
 965                 drawstring_aspect(eY * 0.64 * vid_conheight, _("Capture progress"), vec2(vid_conwidth, 0.025 * vid_conheight), '1 1 1', 1, DRAWFLAG_NORMAL);
 966         }
 967         else if(STAT(REVIVE_PROGRESS))
 968         {
 969                 DrawCircleClippedPic(vec2(0.5 * vid_conwidth, 0.6 * vid_conheight), 0.1 * vid_conheight, "gfx/crosshair_ring.tga", STAT(REVIVE_PROGRESS), '0.25 0.90 1', autocvar_hud_colorflash_alpha, DRAWFLAG_ADDITIVE);
 970                 drawstring_aspect(eY * 0.64 * vid_conheight, _("Revival progress"), vec2(vid_conwidth, 0.025 * vid_conheight), '1 1 1', 1, DRAWFLAG_NORMAL);
 971         }
 972         HUD_Scale_Disable();
 973
 974         if(autocvar_r_letterbox == 0)
 975                 if(autocvar_viewsize < 120)
 976                 {
 977                         if(!MUTATOR_CALLHOOK(DrawScoreboardAccuracy))
 978                                 Accuracy_LoadLevels();
 979
 980                         HUD_Main();
 981                         HUD_Scale_Disable();
 982                 }
 983
 984         // crosshair goes VERY LAST
 985         SpecialCommand();
 986         UpdateDamage();
 987         HUD_Crosshair(this);
 988         HitSound();
 989 }
 990
 991 void ViewLocation_Mouse()
 992 {
 993         if(spectatee_status)
 994                 return; // don't draw it as spectator!
 995
 996         viewloc_mousepos += getmousepos() * autocvar_menu_mouse_speed;
 997         viewloc_mousepos.x = bound(0, viewloc_mousepos.x, vid_conwidth);
 998         viewloc_mousepos.y = bound(0, viewloc_mousepos.y, vid_conheight);
 999
1000         //float cursor_alpha = 1 - autocvar__menu_alpha;
1001         //cursor_type = CURSOR_NORMAL;
1002         //draw_cursor(viewloc_mousepos, '0.5 0.5 0', "/cursor_move", '1 1 1', cursor_alpha);
1003 }
1004
1005 void HUD_Cursor_Show()
1006 {
1007         float cursor_alpha = 1 - autocvar__menu_alpha;
1008         if(cursor_type == CURSOR_NORMAL)
1009                 draw_cursor_normal(mousepos, '1 1 1', cursor_alpha);
1010         else if(cursor_type == CURSOR_MOVE)
1011                 draw_cursor(mousepos, '0.5 0.5 0', "/cursor_move", '1 1 1', cursor_alpha);
1012         else if(cursor_type == CURSOR_RESIZE)
1013                 draw_cursor(mousepos, '0.5 0.5 0', "/cursor_resize", '1 1 1', cursor_alpha);
1014         else if(cursor_type == CURSOR_RESIZE2)
1015                 draw_cursor(mousepos, '0.5 0.5 0', "/cursor_resize2", '1 1 1', cursor_alpha);
1016 }
1017
1018 void HUD_Mouse(entity player)
1019 {
1020         if(autocvar__menu_alpha == 1)
1021                 return;
1022
1023         if(!cursor_active)
1024         {
1025                 if(player.viewloc && (player.viewloc.spawnflags & VIEWLOC_FREEAIM))
1026                         ViewLocation_Mouse(); // NOTE: doesn't use cursormode
1027                 return;
1028         }
1029
1030         if (cursor_active == -1) // starting to display the cursor
1031         {
1032                 // since HUD_Mouse is called by CSQC_UpdateView before CSQC_InputEvent,
1033                 // in the first frame mousepos is the mouse position of the last time
1034                 // the cursor was displayed, thus we ignore it to avoid a glictch
1035                 cursor_active = 1;
1036                 return;
1037         }
1038
1039         if(!autocvar_hud_cursormode)
1040                 update_mousepos();
1041
1042         cursor_type = CURSOR_NORMAL;
1043         if(autocvar__hud_configure)
1044                 HUD_Panel_Mouse();
1045         else
1046         {
1047                 if (HUD_MinigameMenu_IsOpened())
1048                         HUD_Minigame_Mouse();
1049                 if (QuickMenu_IsOpened())
1050                         QuickMenu_Mouse();
1051                 if (HUD_Radar_Clickable())
1052                         HUD_Radar_Mouse();
1053         }
1054
1055         prevMouseClicked = mouseClicked;
1056
1057         HUD_Cursor_Show();
1058 }
1059
1060 void View_NightVision()
1061 {
1062         if(!(autocvar_r_fakelight >= 2 || autocvar_r_fullbright) || (serverflags & SERVERFLAG_ALLOW_FULLBRIGHT))
1063                 return;
1064
1065         // apply night vision effect
1066         vector tc_00, tc_01, tc_10, tc_11;
1067         vector rgb = '0 0 0';
1068         float a;
1069
1070         if(!nightvision_noise)
1071         {
1072                 nightvision_noise = new(nightvision_noise);
1073         }
1074         if(!nightvision_noise2)
1075         {
1076                 nightvision_noise2 = new(nightvision_noise2);
1077         }
1078
1079         // color tint in yellow
1080         drawfill('0 0 0', autocvar_vid_conwidth * '1 0 0' + autocvar_vid_conheight * '0 1 0', '0.5 1 0.3', 1, DRAWFLAG_MODULATE);
1081
1082         // draw BG
1083         a = Noise_Pink(nightvision_noise, frametime * 1.5) * 0.05 + 0.15;
1084         rgb = '1 1 1';
1085         tc_00 = '0 0 0' + '0.2 0 0' * sin(time * 0.3) + '0 0.3 0' * cos(time * 0.7);
1086         tc_01 = '0 2.25 0' + '0.6 0 0' * cos(time * 1.2) - '0 0.3 0' * sin(time * 2.2);
1087         tc_10 = '1.5 0 0' - '0.2 0 0' * sin(time * 0.5) + '0 0.5 0' * cos(time * 1.7);
1088         //tc_11 = '1 1 0' + '0.6 0 0' * sin(time * 0.6) + '0 0.3 0' * cos(time * 0.1);
1089         tc_11 = tc_01 + tc_10 - tc_00;
1090         R_BeginPolygon("gfx/nightvision-bg.tga", DRAWFLAG_ADDITIVE, true);
1091         R_PolygonVertex('0 0 0', tc_00, rgb, a);
1092         R_PolygonVertex(autocvar_vid_conwidth * '1 0 0', tc_10, rgb, a);
1093         R_PolygonVertex(autocvar_vid_conwidth * '1 0 0' + autocvar_vid_conheight * '0 1 0', tc_11, rgb, a);
1094         R_PolygonVertex(autocvar_vid_conheight * '0 1 0', tc_01, rgb, a);
1095         R_EndPolygon();
1096
1097         // draw FG
1098         a = Noise_Pink(nightvision_noise2, frametime * 0.1) * 0.05 + 0.12;
1099         rgb = '0.3 0.6 0.4' + '0.1 0.4 0.2' * Noise_White(nightvision_noise2, frametime);
1100         tc_00 = '0 0 0' + '1 0 0' * Noise_White(nightvision_noise2, frametime) + '0 1 0' * Noise_White(nightvision_noise2, frametime);
1101         tc_01 = tc_00 + '0 3 0' * (1 + Noise_White(nightvision_noise2, frametime) * 0.2);
1102         tc_10 = tc_00 + '2 0 0' * (1 + Noise_White(nightvision_noise2, frametime) * 0.3);
1103         tc_11 = tc_01 + tc_10 - tc_00;
1104         R_BeginPolygon("gfx/nightvision-fg.tga", DRAWFLAG_ADDITIVE, true);
1105         R_PolygonVertex('0 0 0', tc_00, rgb, a);
1106         R_PolygonVertex(autocvar_vid_conwidth * '1 0 0', tc_10, rgb, a);
1107         R_PolygonVertex(autocvar_vid_conwidth * '1 0 0' + autocvar_vid_conheight * '0 1 0', tc_11, rgb, a);
1108         R_PolygonVertex(autocvar_vid_conheight * '0 1 0', tc_01, rgb, a);
1109         R_EndPolygon();
1110 }
1111
1112 // visual overlay while in liquids
1113 // provides some effects to the postprocessing function
1114 void HUD_Contents()
1115 {
1116         if(!autocvar_hud_contents || MUTATOR_CALLHOOK(HUD_Contents))
1117                 return;
1118
1119         // improved polyblend
1120         float contentalpha_temp, incontent, liquidalpha, contentfadetime;
1121         vector liquidcolor;
1122
1123         switch(pointcontents(view_origin))
1124         {
1125                 case CONTENT_WATER:
1126                         liquidalpha = autocvar_hud_contents_water_alpha;
1127                         liquidcolor = stov(autocvar_hud_contents_water_color);
1128                         incontent = 1;
1129                         break;
1130
1131                 case CONTENT_LAVA:
1132                         liquidalpha = autocvar_hud_contents_lava_alpha;
1133                         liquidcolor = stov(autocvar_hud_contents_lava_color);
1134                         incontent = 1;
1135                         break;
1136
1137                 case CONTENT_SLIME:
1138                         liquidalpha = autocvar_hud_contents_slime_alpha;
1139                         liquidcolor = stov(autocvar_hud_contents_slime_color);
1140                         incontent = 1;
1141                         break;
1142
1143                 default:
1144                         liquidalpha = 0;
1145                         liquidcolor = '0 0 0';
1146                         incontent = 0;
1147                         break;
1148         }
1149
1150         if(incontent) // fade in/out at different speeds so you can do e.g. instant fade when entering water and slow when leaving it.
1151         { // also lets delcare previous values for blending properties, this way it isn't reset until after you have entered a different content
1152                 contentfadetime = autocvar_hud_contents_fadeintime;
1153                 liquidalpha_prev = liquidalpha;
1154                 liquidcolor_prev = liquidcolor;
1155         }
1156         else
1157                 contentfadetime = autocvar_hud_contents_fadeouttime;
1158
1159         contentalpha_temp = bound(0, drawframetime / max(0.0001, contentfadetime), 1);
1160         contentavgalpha = contentavgalpha * (1 - contentalpha_temp) + incontent * contentalpha_temp;
1161
1162         if(contentavgalpha)
1163                 drawfill('0 0 0', vec2(vid_conwidth, vid_conheight), liquidcolor_prev, contentavgalpha * liquidalpha_prev, DRAWFLAG_NORMAL);
1164
1165         if(autocvar_hud_postprocessing)
1166         {
1167                 if(autocvar_hud_contents_blur && contentavgalpha)
1168                 {
1169                         content_blurpostprocess.x = 1;
1170                         content_blurpostprocess.y = contentavgalpha * autocvar_hud_contents_blur;
1171                         content_blurpostprocess.z = contentavgalpha * autocvar_hud_contents_blur_alpha;
1172                 }
1173                 else
1174                 {
1175                         content_blurpostprocess.x = 0;
1176                         content_blurpostprocess.y = 0;
1177                         content_blurpostprocess.z = 0;
1178                 }
1179         }
1180 }
1181
1182 // visual pain effects on the screen
1183 // provides some effects to the postprocessing function
1184 void HUD_Damage()
1185 {
1186         if(!autocvar_hud_damage || STAT(FROZEN))
1187                 return;
1188
1189         vector splash_pos = '0 0 0', splash_size = '0 0 0';
1190         splash_size.x = max(vid_conwidth, vid_conheight);
1191         splash_size.y = max(vid_conwidth, vid_conheight);
1192         splash_pos.x = (vid_conwidth - splash_size.x) / 2;
1193         splash_pos.y = (vid_conheight - splash_size.y) / 2;
1194
1195         float myhealth_flash_temp;
1196         myhealth = STAT(HEALTH);
1197
1198         // fade out
1199         myhealth_flash = max(0, myhealth_flash - autocvar_hud_damage_fade_rate * frametime);
1200         // add new damage
1201         myhealth_flash = bound(0, myhealth_flash + dmg_take * autocvar_hud_damage_factor, autocvar_hud_damage_maxalpha);
1202
1203         float pain_threshold, pain_threshold_lower, pain_threshold_lower_health;
1204         pain_threshold = autocvar_hud_damage_pain_threshold;
1205         pain_threshold_lower = autocvar_hud_damage_pain_threshold_lower;
1206         pain_threshold_lower_health = autocvar_hud_damage_pain_threshold_lower_health;
1207
1208         if(pain_threshold_lower && myhealth < pain_threshold_lower_health)
1209         {
1210                 pain_threshold = pain_threshold - max(autocvar_hud_damage_pain_threshold_pulsating_min, fabs(sin(M_PI * time / autocvar_hud_damage_pain_threshold_pulsating_period))) * pain_threshold_lower * (1 - max(0, myhealth)/pain_threshold_lower_health);
1211         }
1212
1213         myhealth_flash_temp = bound(0, myhealth_flash - pain_threshold, 1);
1214
1215         if(myhealth_prev < 1)
1216         {
1217                 if(myhealth >= 1)
1218                 {
1219                         myhealth_flash = 0; // just spawned, clear the flash immediately
1220                         myhealth_flash_temp = 0;
1221                 }
1222                 else
1223                 {
1224                         myhealth_flash += autocvar_hud_damage_fade_rate * frametime; // dead
1225                 }
1226         }
1227
1228         if(spectatee_status == -1 || intermission)
1229         {
1230                 myhealth_flash = 0; // observing, or match ended
1231                 myhealth_flash_temp = 0;
1232         }
1233
1234         myhealth_prev = myhealth;
1235
1236         // IDEA: change damage color/picture based on player model for robot/alien species?
1237         // pro: matches model better
1238         // contra: it's not red because blood is red, but because red is an alarming color, so red should stay
1239         // maybe different reddish pics?
1240         if(autocvar_cl_gentle_damage || autocvar_cl_gentle)
1241         {
1242                 if(autocvar_cl_gentle_damage == 2)
1243                 {
1244                         if(myhealth_flash < pain_threshold) // only randomize when the flash is gone
1245                                 myhealth_gentlergb = randomvec();
1246                 }
1247                 else
1248                         myhealth_gentlergb = stov(autocvar_hud_damage_gentle_color);
1249
1250                 if(myhealth_flash_temp > 0)
1251                         drawfill('0 0 0', vec2(vid_conwidth, vid_conheight), myhealth_gentlergb, autocvar_hud_damage_gentle_alpha_multiplier * bound(0, myhealth_flash_temp, 1) * autocvar_hud_damage, DRAWFLAG_NORMAL);
1252         }
1253         else if(myhealth_flash_temp > 0)
1254                 drawpic(splash_pos, "gfx/blood", splash_size, stov(autocvar_hud_damage_color), bound(0, myhealth_flash_temp, 1) * autocvar_hud_damage, DRAWFLAG_NORMAL);
1255
1256         if(autocvar_hud_postprocessing) // we still need to set this anyway even when chase_active is set, this way it doesn't get stuck on.
1257         {
1258                 if(autocvar_hud_damage_blur && myhealth_flash_temp)
1259                 {
1260                         damage_blurpostprocess.x = 1;
1261                         damage_blurpostprocess.y = bound(0, myhealth_flash_temp, 1) * autocvar_hud_damage_blur;
1262                         damage_blurpostprocess.z = bound(0, myhealth_flash_temp, 1) * autocvar_hud_damage_blur_alpha;
1263                 }
1264                 else
1265                 {
1266                         damage_blurpostprocess.x = 0;
1267                         damage_blurpostprocess.y = 0;
1268                         damage_blurpostprocess.z = 0;
1269                 }
1270         }
1271 }
1272
1273 void View_PostProcessing()
1274 {
1275         float e1 = (autocvar_hud_postprocessing_maxbluralpha != 0);
1276         float e2 = (autocvar_hud_powerup != 0);
1277         if(autocvar_hud_postprocessing && (e1 || e2)) // TODO: Remove this code and re-do the postprocess handling in the engine, where it properly belongs.
1278         {
1279                 // enable or disable rendering types if they are used or not
1280                 if(cvar("r_glsl_postprocess_uservec1_enable") != e1) { cvar_set("r_glsl_postprocess_uservec1_enable", ftos(e1)); }
1281                 if(cvar("r_glsl_postprocess_uservec2_enable") != e2) { cvar_set("r_glsl_postprocess_uservec2_enable", ftos(e2)); }
1282
1283                 // blur postprocess handling done first (used by hud_damage and hud_contents)
1284                 if((damage_blurpostprocess.x || content_blurpostprocess.x))
1285                 {
1286                         float blurradius = bound(0, damage_blurpostprocess.y + content_blurpostprocess.y, autocvar_hud_postprocessing_maxblurradius);
1287                         float bluralpha = bound(0, damage_blurpostprocess.z + content_blurpostprocess.z, autocvar_hud_postprocessing_maxbluralpha);
1288                         if(blurradius != old_blurradius || bluralpha != old_bluralpha) // reduce cvar_set spam as much as possible
1289                         {
1290                                 cvar_set("r_glsl_postprocess_uservec1", strcat(ftos(blurradius), " ", ftos(bluralpha), " 0 0"));
1291                                 old_blurradius = blurradius;
1292                                 old_bluralpha = bluralpha;
1293                         }
1294                 }
1295                 else if(cvar_string("r_glsl_postprocess_uservec1") != "0 0 0 0") // reduce cvar_set spam as much as possible
1296                 {
1297                         cvar_set("r_glsl_postprocess_uservec1", "0 0 0 0");
1298                         old_blurradius = 0;
1299                         old_bluralpha = 0;
1300                 }
1301
1302                 // edge detection postprocess handling done second (used by hud_powerup)
1303                 float sharpen_intensity = 0, strength_finished = STAT(STRENGTH_FINISHED), invincible_finished = STAT(INVINCIBLE_FINISHED);
1304                 if (strength_finished - time > 0) { sharpen_intensity += (strength_finished - time); }
1305                 if (invincible_finished - time > 0) { sharpen_intensity += (invincible_finished - time); }
1306
1307                 sharpen_intensity = bound(0, ((STAT(HEALTH) > 0) ? sharpen_intensity : 0), 5); // Check to see if player is alive (if not, set 0) - also bound to fade out starting at 5 seconds.
1308
1309                 if(autocvar_hud_powerup && sharpen_intensity > 0)
1310                 {
1311                         if(sharpen_intensity != old_sharpen_intensity) // reduce cvar_set spam as much as possible
1312                         {
1313                                 cvar_set("r_glsl_postprocess_uservec2", strcat(ftos((sharpen_intensity / 5) * autocvar_hud_powerup), " ", ftos(-sharpen_intensity * autocvar_hud_powerup), " 0 0"));
1314                                 old_sharpen_intensity = sharpen_intensity;
1315                         }
1316                 }
1317                 else if(cvar_string("r_glsl_postprocess_uservec2") != "0 0 0 0") // reduce cvar_set spam as much as possible
1318                 {
1319                         cvar_set("r_glsl_postprocess_uservec2", "0 0 0 0");
1320                         old_sharpen_intensity = 0;
1321                 }
1322
1323                 if(cvar("r_glsl_postprocess") == 0)
1324                         cvar_set("r_glsl_postprocess", "2");
1325         }
1326         else if(cvar("r_glsl_postprocess") == 2)
1327                 cvar_set("r_glsl_postprocess", "0");
1328 }
1329
1330 void View_Lock()
1331 {
1332         int lock_type = autocvar_cl_lockview;
1333
1334         if (!autocvar_hud_cursormode
1335                 && ((autocvar__hud_configure && spectatee_status <= 0)
1336                         || intermission > 1
1337                         || HUD_Radar_Clickable()
1338                         || HUD_MinigameMenu_IsOpened()
1339                         || QuickMenu_IsOpened()
1340                 )
1341         )
1342                 lock_type = 1;
1343
1344         // lock_type 1: lock origin and angles
1345         // lock_type 2: lock only origin
1346         if(lock_type >= 1)
1347                 setproperty(VF_ORIGIN, freeze_org);
1348         else
1349                 freeze_org = getpropertyvec(VF_ORIGIN);
1350         if(lock_type == 1)
1351                 setproperty(VF_ANGLES, freeze_ang);
1352         else
1353                 freeze_ang = getpropertyvec(VF_ANGLES);
1354 }
1355
1356 void View_DemoCamera()
1357 {
1358         if(camera_active) // Camera for demo playback
1359         {
1360                 if(autocvar_camera_enable)
1361                         CSQC_Demo_Camera();
1362                 else
1363                 {
1364                         cvar_set("chase_active", ftos(chase_active_backup));
1365                         cvar_set("cl_demo_mousegrab", "0");
1366                         camera_active = false;
1367                 }
1368         }
1369         else
1370         {
1371 #ifdef CAMERATEST
1372                 if(autocvar_camera_enable)
1373 #else
1374                 if(autocvar_camera_enable && isdemo())
1375 #endif
1376                 {
1377                         // Enable required Darkplaces cvars
1378                         chase_active_backup = autocvar_chase_active;
1379                         cvar_set("chase_active", "2");
1380                         cvar_set("cl_demo_mousegrab", "1");
1381                         camera_active = true;
1382                         camera_mode = false;
1383                 }
1384         }
1385 }
1386
1387 #ifdef BLURTEST
1388 void View_BlurTest()
1389 {
1390         if(time > blurtest_time0 && time < blurtest_time1)
1391         {
1392                 float t = (time - blurtest_time0) / (blurtest_time1 - blurtest_time0);
1393                 float r = t * blurtest_radius;
1394                 float f = 1 / (t ** blurtest_power) - 1;
1395
1396                 cvar_set("r_glsl_postprocess", "1");
1397                 cvar_set("r_glsl_postprocess_uservec1", strcat(ftos(r), " ", ftos(f), " 0 0"));
1398         }
1399         else
1400         {
1401                 cvar_set("r_glsl_postprocess", "0");
1402                 cvar_set("r_glsl_postprocess_uservec1", "0 0 0 0");
1403         }
1404 }
1405 #endif
1406
1407 void View_CheckButtonStatus()
1408 {
1409         float is_dead = (STAT(HEALTH) <= 0);
1410
1411         // FIXME do we need this hack?
1412         if(isdemo())
1413         {
1414                 // in demos, input_buttons do not work
1415                 button_zoom = (autocvar__togglezoom == "-");
1416         }
1417         else if(button_zoom
1418                 && autocvar_cl_unpress_zoom_on_death
1419                 && (spectatee_status >= 0)
1420                 && (is_dead || intermission))
1421         {
1422                 // no zoom while dead or in intermission please
1423                 localcmd("-zoom\n");
1424                 button_zoom = false;
1425         }
1426
1427         if(autocvar_fov <= 59.5)
1428         {
1429                 if(!zoomscript_caught)
1430                 {
1431                         localcmd("+button9\n");
1432                         zoomscript_caught = 1;
1433                 }
1434         }
1435         else
1436         {
1437                 if(zoomscript_caught)
1438                 {
1439                         localcmd("-button9\n");
1440                         zoomscript_caught = 0;
1441                 }
1442         }
1443
1444         if(active_minigame && HUD_MinigameMenu_IsOpened())
1445         {
1446                 if(!minigame_wasactive)
1447                 {
1448                         localcmd("+button12\n");
1449                         minigame_wasactive = true;
1450                 }
1451         }
1452         else if(minigame_wasactive)
1453         {
1454                 localcmd("-button12\n");
1455                 minigame_wasactive = false;
1456         }
1457
1458         for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
1459         {
1460                 entity wepent = viewmodels[slot];
1461
1462                 if(wepent.last_switchweapon != wepent.switchweapon)
1463                 {
1464                         weapontime = time;
1465                         wepent.last_switchweapon = wepent.switchweapon;
1466                         if(slot == 0 && button_zoom && autocvar_cl_unpress_zoom_on_weapon_switch)
1467                         {
1468                                 localcmd("-zoom\n");
1469                                 button_zoom = false;
1470                         }
1471                         if(slot == 0 && autocvar_cl_unpress_attack_on_weapon_switch)
1472                         {
1473                                 localcmd("-fire\n");
1474                                 localcmd("-fire2\n");
1475                                 button_attack2 = false;
1476                         }
1477                 }
1478                 if(wepent.last_activeweapon != wepent.activeweapon)
1479                 {
1480                         wepent.last_activeweapon = wepent.activeweapon;
1481
1482                         entity e = wepent.activeweapon;
1483                         if(e.netname != "")
1484                                 localcmd(strcat("\ncl_hook_activeweapon ", e.netname), "\n");
1485                         else if(slot == 0)
1486                                 localcmd("\ncl_hook_activeweapon none\n");
1487                 }
1488         }
1489 }
1490
1491 bool ov_enabled;
1492 float oldr_nearclip;
1493 float oldr_farclip_base;
1494 float oldr_farclip_world;
1495 float oldr_novis;
1496 float oldr_useportalculling;
1497 float oldr_useinfinitefarclip;
1498 vector ov_org = '0 0 0';
1499 vector ov_mid = '0 0 0';
1500 vector ov_worldmin = '0 0 0';
1501 vector ov_worldmax = '0 0 0';
1502
1503 void View_Ortho()
1504 {
1505         ov_org = '0 0 0';
1506         ov_mid = '0 0 0';
1507         ov_worldmin = '0 0 0';
1508         ov_worldmax = '0 0 0';
1509         if(autocvar_cl_orthoview)
1510         {
1511                 ov_worldmin = mi_picmin;
1512                 ov_worldmax = mi_picmax;
1513
1514                 float ov_width = (ov_worldmax.x - ov_worldmin.x);
1515                 float ov_height = (ov_worldmax.y - ov_worldmin.y);
1516                 float ov_distance = (max(vid_width, vid_height) * max(ov_width, ov_height));
1517
1518                 ov_mid = ((ov_worldmax + ov_worldmin) * 0.5);
1519                 ov_org = vec3(ov_mid.x, ov_mid.y, (ov_mid.z + ov_distance));
1520
1521                 float ov_nearest = vlen(ov_org - vec3(
1522                         bound(ov_worldmin.x, ov_org.x, ov_worldmax.x),
1523                         bound(ov_worldmin.y, ov_org.y, ov_worldmax.y),
1524                         bound(ov_worldmin.z, ov_org.z, ov_worldmax.z)
1525                 ));
1526
1527                 float ov_furthest = 0;
1528                 float dist = 0;
1529
1530                 if((dist = vdist((vec3(ov_worldmin.x, ov_worldmin.y, ov_worldmin.z) - ov_org), >, ov_furthest))) { ov_furthest = dist; }
1531                 if((dist = vdist((vec3(ov_worldmax.x, ov_worldmin.y, ov_worldmin.z) - ov_org), >, ov_furthest))) { ov_furthest = dist; }
1532                 if((dist = vdist((vec3(ov_worldmin.x, ov_worldmax.y, ov_worldmin.z) - ov_org), >, ov_furthest))) { ov_furthest = dist; }
1533                 if((dist = vdist((vec3(ov_worldmin.x, ov_worldmin.y, ov_worldmax.z) - ov_org), >, ov_furthest))) { ov_furthest = dist; }
1534                 if((dist = vdist((vec3(ov_worldmax.x, ov_worldmax.y, ov_worldmin.z) - ov_org), >, ov_furthest))) { ov_furthest = dist; }
1535                 if((dist = vdist((vec3(ov_worldmin.x, ov_worldmax.y, ov_worldmax.z) - ov_org), >, ov_furthest))) { ov_furthest = dist; }
1536                 if((dist = vdist((vec3(ov_worldmax.x, ov_worldmin.y, ov_worldmax.z) - ov_org), >, ov_furthest))) { ov_furthest = dist; }
1537                 if((dist = vdist((vec3(ov_worldmax.x, ov_worldmax.y, ov_worldmax.z) - ov_org), >, ov_furthest))) { ov_furthest = dist; }
1538
1539                 if(!ov_enabled)
1540                 {
1541                         oldr_nearclip = cvar("r_nearclip");
1542                         oldr_farclip_base = cvar("r_farclip_base");
1543                         oldr_farclip_world = cvar("r_farclip_world");
1544                         oldr_novis = cvar("r_novis");
1545                         oldr_useportalculling = cvar("r_useportalculling");
1546                         oldr_useinfinitefarclip = cvar("r_useinfinitefarclip");
1547                 }
1548
1549                 cvar_settemp("r_nearclip", ftos(ov_nearest));
1550                 cvar_settemp("r_farclip_base", ftos(ov_furthest));
1551                 cvar_settemp("r_farclip_world", "0");
1552                 cvar_settemp("r_novis", "1");
1553                 cvar_settemp("r_useportalculling", "0");
1554                 cvar_settemp("r_useinfinitefarclip", "0");
1555
1556                 setproperty(VF_ORIGIN, ov_org);
1557                 setproperty(VF_ANGLES, '90 0 0');
1558
1559                 ov_enabled = true;
1560
1561                 #if 0
1562                 LOG_INFOF("OrthoView: org = %s, angles = %s, distance = %f, nearest = %f, furthest = %f",
1563                         vtos(ov_org),
1564                         vtos(getpropertyvec(VF_ANGLES)),
1565                         ov_distance,
1566                         ov_nearest,
1567                         ov_furthest);
1568                 #endif
1569         }
1570         else
1571         {
1572                 if(ov_enabled)
1573                 {
1574                         cvar_set("r_nearclip", ftos(oldr_nearclip));
1575                         cvar_set("r_farclip_base", ftos(oldr_farclip_base));
1576                         cvar_set("r_farclip_world", ftos(oldr_farclip_world));
1577                         cvar_set("r_novis", ftos(oldr_novis));
1578                         cvar_set("r_useportalculling", ftos(oldr_useportalculling));
1579                         cvar_set("r_useinfinitefarclip", ftos(oldr_useinfinitefarclip));
1580                 }
1581                 ov_enabled = false;
1582         }
1583 }
1584
1585 void View_UpdateFov()
1586 {
1587         vector fov;
1588         if(autocvar_cl_orthoview)
1589                 fov = GetOrthoviewFOV(ov_worldmin, ov_worldmax, ov_mid, ov_org);
1590         else if(csqcplayer.viewloc)
1591                 fov = GetViewLocationFOV(110); // enforce 110 fov, so things don't look odd
1592         else
1593                 fov = GetCurrentFov(autocvar_fov);
1594
1595         setproperty(VF_FOV, fov);
1596 }
1597
1598 void CSQC_UpdateView(entity this, float w, float h)
1599 {
1600         TC(int, w); TC(int, h);
1601
1602         execute_next_frame();
1603
1604         ++framecount;
1605
1606         stats_get();
1607         hud = STAT(HUD);
1608
1609         ReplicateVars(false);
1610         if (ReplicateVars_NOT_SENDING())
1611                 ReplicateVars_DELAY(0.8 + random() * 0.4); // no need to check cvars every frame
1612
1613         HUD_Scale_Disable();
1614
1615         if(autocvar__hud_showbinds_reload) // menu can set this one
1616         {
1617                 db_close(binddb);
1618                 binddb = db_create();
1619                 cvar_set("_hud_showbinds_reload", "0");
1620         }
1621
1622         if(checkextension("DP_CSQC_MINFPS_QUALITY"))
1623                 view_quality = getproperty(VF_MINFPS_QUALITY);
1624         else
1625                 view_quality = 1;
1626
1627         button_attack2 = PHYS_INPUT_BUTTON_ATCK2(this);
1628         button_zoom = PHYS_INPUT_BUTTON_ZOOM(this);
1629
1630         vector vf_size = getpropertyvec(VF_SIZE);
1631         vector vf_min = getpropertyvec(VF_MIN);
1632         vid_width = vf_size.x;
1633         vid_height = vf_size.y;
1634
1635         ticrate = STAT(MOVEVARS_TICRATE) * STAT(MOVEVARS_TIMESCALE);
1636
1637         WaypointSprite_Load();
1638
1639         CSQCPlayer_SetCamera();
1640
1641         if(player_localentnum <= maxclients) // is it a client?
1642                 current_player = player_localentnum - 1;
1643         else // then player_localentnum is the vehicle I'm driving
1644                 current_player = player_localnum;
1645         myteam = entcs_GetTeam(current_player);
1646
1647         // abused multiple places below
1648         entity local_player = ((csqcplayer) ? csqcplayer : CSQCModel_server2csqc(player_localentnum - 1));
1649         if(!local_player)
1650                 local_player = this; // fall back!
1651
1652         View_EventChase(local_player);
1653
1654         // do lockview after event chase camera so that it still applies whenever necessary.
1655         View_Lock();
1656
1657         WarpZone_FixView();
1658         //WarpZone_FixPMove();
1659
1660         View_Ortho();
1661
1662         // run viewmodel_draw before updating view_angles to the angles calculated by WarpZone_FixView
1663         // viewmodel_draw needs to use the view_angles set by the engine on every CSQC_UpdateView call
1664         for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
1665                 viewmodel_draw(viewmodels[slot]);
1666
1667         // Render the Scene
1668         view_origin = getpropertyvec(VF_ORIGIN);
1669         view_angles = getpropertyvec(VF_ANGLES);
1670         MAKE_VECTORS(view_angles, view_forward, view_right, view_up);
1671
1672 #ifdef BLURTEST
1673         View_BlurTest();
1674 #endif
1675
1676         TargetMusic_Advance();
1677         Fog_Force();
1678         fpscounter_update();
1679
1680         if(drawtime == 0)
1681                 drawframetime = 0.01666667; // when we don't know fps yet, we assume 60fps
1682         else
1683                 drawframetime = bound(0.000001, time - drawtime, 1);
1684         drawtime = time;
1685
1686         // watch for gametype changes here...
1687         // in ParseStuffCMD the cmd isn't executed yet :/
1688         // might even be better to add the gametype to TE_CSQC_INIT...?
1689         if(!postinit)
1690                 PostInit();
1691
1692         if(intermission && !intermission_time)
1693                 intermission_time = time;
1694
1695         if(intermission && !isdemo() && !(calledhooks & HOOK_END))
1696         {
1697                 if(calledhooks & HOOK_START)
1698                 {
1699                         localcmd("\ncl_hook_gameend\n");
1700                         calledhooks |= HOOK_END;
1701                 }
1702         }
1703
1704         Announcer();
1705
1706         View_CheckButtonStatus();
1707
1708         ColorTranslateMode = autocvar_cl_stripcolorcodes;
1709
1710         // ALWAYS Clear Current Scene First
1711         clearscene();
1712
1713         setproperty(VF_ORIGIN, view_origin);
1714         setproperty(VF_ANGLES, view_angles);
1715
1716         // FIXME engine bug? VF_SIZE and VF_MIN are not restored to sensible values by this
1717         setproperty(VF_SIZE, vf_size);
1718         setproperty(VF_MIN, vf_min);
1719
1720         // Assign Standard Viewflags
1721         // Draw the World (and sky)
1722         setproperty(VF_DRAWWORLD, 1);
1723
1724         // Set the console size vars
1725         vid_conwidth = autocvar_vid_conwidth;
1726         vid_conheight = autocvar_vid_conheight;
1727         vid_pixelheight = autocvar_vid_pixelheight;
1728
1729         View_UpdateFov();
1730
1731         View_DemoCamera();
1732
1733         // Draw the Crosshair
1734         setproperty(VF_DRAWCROSSHAIR, 0); //Make sure engine crosshairs are always hidden
1735
1736         // Draw the Engine Status Bar (the default Quake HUD)
1737         setproperty(VF_DRAWENGINESBAR, 0);
1738
1739         // Update the mouse position
1740         /*
1741            mousepos_x = vid_conwidth;
1742            mousepos_y = vid_conheight;
1743            mousepos = mousepos*0.5 + getmousepos();
1744          */
1745
1746         IL_EACH(g_drawables, it.draw, it.draw(it));
1747
1748         addentities(MASK_NORMAL | MASK_ENGINE | MASK_ENGINEVIEWMODELS); // TODO: .health is used in cl_deathfade (a feature we have turned off currently)
1749         renderscene();
1750
1751         // Now the the scene has been rendered, begin with the 2D drawing functions
1752
1753         View_NightVision();
1754         DrawReticle(local_player);
1755         HUD_Contents();
1756         HUD_Damage();
1757         View_PostProcessing();
1758
1759         // draw 2D entities
1760         IL_EACH(g_drawables_2d, it.draw2d, it.draw2d(it));
1761         Draw_ShowNames_All();
1762 #if ENABLE_DEBUGDRAW
1763         Debug_Draw();
1764 #endif
1765
1766         scoreboard_active = Scoreboard_WouldDraw();
1767
1768         HUD_Draw(this); // this parameter for deep vehicle function
1769
1770         if(NextFrameCommand)
1771         {
1772                 localcmd("\n", NextFrameCommand, "\n");
1773                 NextFrameCommand = string_null;
1774         }
1775
1776         // we must do this check AFTER a frame was rendered, or it won't work
1777         if(cs_project_is_b0rked == 0)
1778         {
1779                 string w0, h0;
1780                 w0 = ftos(autocvar_vid_conwidth);
1781                 h0 = ftos(autocvar_vid_conheight);
1782                 //setproperty(VF_VIEWPORT, '0 0 0', '640 480 0');
1783                 //setproperty(VF_FOV, '90 90 0');
1784                 setproperty(VF_ORIGIN, '0 0 0');
1785                 setproperty(VF_ANGLES, '0 0 0');
1786                 setproperty(VF_PERSPECTIVE, 1);
1787                 vector forward, right, up;
1788                 MAKE_VECTORS('0 0 0', forward, right, up);
1789                 vector v1, v2;
1790                 cvar_set("vid_conwidth", "800");
1791                 cvar_set("vid_conheight", "600");
1792                 v1 = cs_project(forward);
1793                 cvar_set("vid_conwidth", "640");
1794                 cvar_set("vid_conheight", "480");
1795                 v2 = cs_project(forward);
1796                 if(v1 == v2)
1797                         cs_project_is_b0rked = 1;
1798                 else
1799                         cs_project_is_b0rked = -1;
1800                 cvar_set("vid_conwidth", w0);
1801                 cvar_set("vid_conheight", h0);
1802         }
1803
1804         HUD_Mouse(local_player);
1805
1806         cl_notice_run();
1807         unpause_update();
1808         Net_Flush();
1809
1810         // let's reset the view back to normal for the end
1811         setproperty(VF_MIN, '0 0 0');
1812         setproperty(VF_SIZE, '1 0 0' * w + '0 1 0' * h);
1813
1814         IL_ENDFRAME();
1815 }
1816
1817
1818 // following vectors must be global to allow seamless switching between camera modes
1819 vector camera_offset, current_camera_offset, mouse_angles, current_angles, current_origin, current_position;
1820 void CSQC_Demo_Camera()
1821 {
1822         float speed, attenuation, dimensions;
1823         vector tmp, delta;
1824
1825         if( autocvar_camera_reset || !camera_mode )
1826         {
1827                 camera_offset = '0 0 0';
1828                 current_angles = '0 0 0';
1829                 camera_direction = '0 0 0';
1830                 camera_offset.z += 30;
1831                 camera_offset.x += 30 * -cos(current_angles.y * DEG2RAD);
1832                 camera_offset.y += 30 * -sin(current_angles.y * DEG2RAD);
1833                 current_origin = view_origin;
1834                 current_camera_offset  = camera_offset;
1835                 cvar_set("camera_reset", "0");
1836                 camera_mode = CAMERA_CHASE;
1837         }
1838
1839         // Camera angles
1840         if( camera_roll )
1841                 mouse_angles.z += camera_roll * autocvar_camera_speed_roll;
1842
1843         if(autocvar_camera_look_player)
1844         {
1845                 vector dir;
1846                 float n;
1847
1848                 dir = normalize(view_origin - current_position);
1849                 n = mouse_angles.z;
1850                 mouse_angles = vectoangles(dir);
1851                 mouse_angles.x = mouse_angles.x * -1;
1852                 mouse_angles.z = n;
1853         }
1854         else
1855         {
1856                 tmp = getmousepos() * 0.1;
1857                 if(vdist(tmp, >, autocvar_camera_mouse_threshold))
1858                 {
1859                         mouse_angles.x += tmp.y * cos(mouse_angles.z * DEG2RAD) + (tmp.x * sin(mouse_angles.z * DEG2RAD));
1860                         mouse_angles.y -= tmp.x * cos(mouse_angles.z * DEG2RAD) + (tmp.y * -sin(mouse_angles.z * DEG2RAD));
1861                 }
1862         }
1863
1864         while (mouse_angles.x < -180) mouse_angles.x = mouse_angles.x + 360;
1865         while (mouse_angles.x > 180) mouse_angles.x = mouse_angles.x - 360;
1866         while (mouse_angles.y < -180) mouse_angles.y = mouse_angles.y + 360;
1867         while (mouse_angles.y > 180) mouse_angles.y = mouse_angles.y - 360;
1868
1869         // Fix difference when angles don't have the same sign
1870         delta = '0 0 0';
1871         if(mouse_angles.y < -60 && current_angles.y > 60)
1872                 delta = '0 360 0';
1873         if(mouse_angles.y > 60 && current_angles.y < -60)
1874                 delta = '0 -360 0';
1875
1876         if(autocvar_camera_look_player)
1877                 attenuation = autocvar_camera_look_attenuation;
1878         else
1879                 attenuation = autocvar_camera_speed_attenuation;
1880
1881         attenuation = 1 / max(1, attenuation);
1882         current_angles += (mouse_angles - current_angles + delta) * attenuation;
1883
1884         while (current_angles.x < -180) current_angles.x = current_angles.x + 360;
1885         while (current_angles.x > 180) current_angles.x = current_angles.x - 360;
1886         while (current_angles.y < -180) current_angles.y = current_angles.y + 360;
1887         while (current_angles.y > 180) current_angles.y = current_angles.y - 360;
1888
1889         // Camera position
1890         tmp = '0 0 0';
1891         dimensions = 0;
1892
1893         if( camera_direction.x )
1894         {
1895                 tmp.x = camera_direction.x * cos(current_angles.y * DEG2RAD);
1896                 tmp.y = camera_direction.x * sin(current_angles.y * DEG2RAD);
1897                 if( autocvar_camera_forward_follows && !autocvar_camera_look_player )
1898                         tmp.z = camera_direction.x * -sin(current_angles.x * DEG2RAD);
1899                 ++dimensions;
1900         }
1901
1902         if( camera_direction.y )
1903         {
1904                 tmp.x += camera_direction.y * -sin(current_angles.y * DEG2RAD);
1905                 tmp.y += camera_direction.y * cos(current_angles.y * DEG2RAD) * cos(current_angles.z * DEG2RAD);
1906                 tmp.z += camera_direction.y * sin(current_angles.z * DEG2RAD);
1907                 ++dimensions;
1908         }
1909
1910         if( camera_direction.z )
1911         {
1912                 tmp.z += camera_direction.z * cos(current_angles.z * DEG2RAD);
1913                 ++dimensions;
1914         }
1915
1916         if(autocvar_camera_free)
1917                 speed = autocvar_camera_speed_free;
1918         else
1919                 speed = autocvar_camera_speed_chase;
1920
1921         if(dimensions)
1922         {
1923                 speed = speed * sqrt(1 / dimensions);
1924                 camera_offset += tmp * speed;
1925         }
1926
1927         current_camera_offset += (camera_offset - current_camera_offset) * attenuation;
1928
1929         // Camera modes
1930         if( autocvar_camera_free )
1931         {
1932                 if ( camera_mode == CAMERA_CHASE )
1933                 {
1934                         current_camera_offset = current_origin + current_camera_offset;
1935                         camera_offset = current_origin + camera_offset;
1936                 }
1937
1938                 camera_mode = CAMERA_FREE;
1939                 current_position = current_camera_offset;
1940         }
1941         else
1942         {
1943                 if ( camera_mode == CAMERA_FREE )
1944                 {
1945                         current_origin = view_origin;
1946                         camera_offset = camera_offset - current_origin;
1947                         current_camera_offset = current_camera_offset - current_origin;
1948                 }
1949
1950                 camera_mode = CAMERA_CHASE;
1951
1952                 if(autocvar_camera_chase_smoothly)
1953                         current_origin += (view_origin - current_origin) * attenuation;
1954                 else
1955                         current_origin = view_origin;
1956
1957                 current_position = current_origin + current_camera_offset;
1958         }
1959
1960         setproperty(VF_ANGLES, current_angles);
1961         setproperty(VF_ORIGIN, current_position);
1962 }