]> de.git.xonotic.org Git - xonotic/xonotic-data.pk3dir.git/blob - qcsrc/client/view.qc
Merge branch 'master' into Juhu/strafehud
[xonotic/xonotic-data.pk3dir.git] / qcsrc / client / view.qc
1 #include "view.qh"
2
3 #include "autocvars.qh"
4 #include "miscfunctions.qh"
5 #include "announcer.qh"
6 #include "hud/_mod.qh"
7 #include "main.qh"
8 #include "mapvoting.qh"
9 #include "shownames.qh"
10 #include "hud/panel/scoreboard.qh"
11 #include "hud/panel/quickmenu.qh"
12
13 #include <client/mutators/_mod.qh>
14
15 #include <common/animdecide.qh>
16 #include <common/deathtypes/all.qh>
17 #include <common/ent_cs.qh>
18 #include <common/anim.qh>
19 #include <common/constants.qh>
20 #include <common/net_linked.qh>
21 #include <common/net_notice.qh>
22 #include <common/debug.qh>
23 #include <common/mapinfo.qh>
24 #include <common/gamemodes/_mod.qh>
25 #include <common/physics/player.qh>
26 #include <common/stats.qh>
27 #include <common/mapobjects/target/music.qh>
28 #include <common/teams.qh>
29 #include <common/wepent.qh>
30
31 #include <common/weapons/weapon/tuba.qh>
32
33 #include <common/vehicles/all.qh>
34 #include <common/weapons/_all.qh>
35 #include <common/mutators/mutator/waypoints/all.qh>
36 #include <common/viewloc.qh>
37 #include <common/mapobjects/trigger/viewloc.qh>
38 #include <common/minigames/cl_minigames.qh>
39 #include <common/minigames/cl_minigames_hud.qh>
40
41 #include <lib/csqcmodel/cl_player.qh>
42 #include <lib/csqcmodel/cl_model.qh>
43 #include "csqcmodel_hooks.qh"
44
45 #include <lib/warpzone/client.qh>
46 #include <lib/warpzone/common.qh>
47
48 float autocvar_cl_viewmodel_scale;
49 float autocvar_cl_viewmodel_alpha = 1;
50
51 bool autocvar_cl_bobmodel;
52 float autocvar_cl_bobmodel_speed;
53 float autocvar_cl_bobmodel_side;
54 float autocvar_cl_bobmodel_up;
55
56 float autocvar_cl_followmodel;
57 float autocvar_cl_followmodel_speed = 0.3;
58 float autocvar_cl_followmodel_limit = 135;
59 float autocvar_cl_followmodel_velocity_lowpass = 0.05;
60 float autocvar_cl_followmodel_highpass = 0.05;
61 float autocvar_cl_followmodel_lowpass = 0.03;
62 bool autocvar_cl_followmodel_velocity_absolute;
63
64 float autocvar_cl_leanmodel;
65 float autocvar_cl_leanmodel_speed = 0.3;
66 float autocvar_cl_leanmodel_limit = 30;
67 float autocvar_cl_leanmodel_highpass1 = 0.2;
68 float autocvar_cl_leanmodel_highpass = 0.2;
69 float autocvar_cl_leanmodel_lowpass = 0.05;
70
71 #define avg_factor(avg_time) (1 - exp(-frametime / max(0.001, avg_time)))
72
73 #define lowpass(value, frac, ref_store, ret) \
74         ret = ref_store = ref_store * (1 - frac) + (value) * frac;
75
76 #define lowpass_limited(value, frac, limit, ref_store, ret) MACRO_BEGIN \
77         float __ignore; lowpass(value, frac, ref_store, __ignore); \
78         ret = ref_store = bound((value) - (limit), ref_store, (value) + (limit)); \
79 MACRO_END
80
81 #define highpass(value, frac, ref_store, ret) MACRO_BEGIN \
82         float __f = 0; lowpass(value, frac, ref_store, __f); \
83         ret = (value) - __f; \
84 MACRO_END
85
86 #define highpass_limited(value, frac, limit, ref_store, ret) MACRO_BEGIN \
87         float __f = 0; lowpass_limited(value, frac, limit, ref_store, __f); \
88         ret = (value) - __f; \
89 MACRO_END
90
91 #define lowpass2(value, frac, ref_store, ref_out) MACRO_BEGIN \
92         lowpass(value.x, frac, ref_store.x, ref_out.x); \
93         lowpass(value.y, frac, ref_store.y, ref_out.y); \
94 MACRO_END
95
96 #define highpass2(value, frac, ref_store, ref_out) MACRO_BEGIN \
97         highpass(value.x, frac, ref_store.x, ref_out.x); \
98         highpass(value.y, frac, ref_store.y, ref_out.y); \
99 MACRO_END
100
101 #define highpass2_limited(value, frac, limit, ref_store, ref_out) MACRO_BEGIN \
102         highpass_limited(value.x, frac, limit, ref_store.x, ref_out.x); \
103         highpass_limited(value.y, frac, limit, ref_store.y, ref_out.y); \
104 MACRO_END
105
106 #define lowpass3(value, frac, ref_store, ref_out) MACRO_BEGIN \
107         lowpass(value.x, frac, ref_store.x, ref_out.x); \
108         lowpass(value.y, frac, ref_store.y, ref_out.y); \
109         lowpass(value.z, frac, ref_store.z, ref_out.z); \
110 MACRO_END
111
112 #define highpass3(value, frac, ref_store, ref_out) MACRO_BEGIN \
113         highpass(value.x, frac, ref_store.x, ref_out.x); \
114         highpass(value.y, frac, ref_store.y, ref_out.y); \
115         highpass(value.z, frac, ref_store.z, ref_out.z); \
116 MACRO_END
117
118 void calc_followmodel_ofs(entity view)
119 {
120         if(cl_followmodel_time == time)
121                 return; // cl_followmodel_ofs already calculated for this frame
122
123         float frac;
124         vector gunorg = '0 0 0';
125         static vector vel_average;
126         static vector gunorg_adjustment_highpass;
127         static vector gunorg_adjustment_lowpass;
128
129         vector vel;
130         if (autocvar_cl_followmodel_velocity_absolute)
131                 vel = view.velocity;
132         else
133         {
134                 vector forward, right, up;
135                 MAKE_VECTORS(view_angles, forward, right, up);
136                 vel.x = view.velocity * forward;
137                 vel.y = view.velocity * right * -1;
138                 vel.z = view.velocity * up;
139         }
140
141         vel.x = bound(vel_average.x - autocvar_cl_followmodel_limit, vel.x, vel_average.x + autocvar_cl_followmodel_limit);
142         vel.y = bound(vel_average.y - autocvar_cl_followmodel_limit, vel.y, vel_average.y + autocvar_cl_followmodel_limit);
143         vel.z = bound(vel_average.z - autocvar_cl_followmodel_limit, vel.z, vel_average.z + autocvar_cl_followmodel_limit);
144
145         frac = avg_factor(autocvar_cl_followmodel_velocity_lowpass);
146         lowpass3(vel, frac, vel_average, gunorg);
147
148         gunorg *= -autocvar_cl_followmodel_speed * 0.042;
149
150         // perform highpass/lowpass on the adjustment vectors (turning velocity into acceleration!)
151         // trick: we must do the lowpass LAST, so the lowpass vector IS the final vector!
152         frac = avg_factor(autocvar_cl_followmodel_highpass);
153         highpass3(gunorg, frac, gunorg_adjustment_highpass, gunorg);
154         frac = avg_factor(autocvar_cl_followmodel_lowpass);
155         lowpass3(gunorg, frac, gunorg_adjustment_lowpass, gunorg);
156
157         if (autocvar_cl_followmodel_velocity_absolute)
158         {
159                 vector fixed_gunorg;
160                 vector forward, right, up;
161                 MAKE_VECTORS(view_angles, forward, right, up);
162                 fixed_gunorg.x = gunorg * forward;
163                 fixed_gunorg.y = gunorg * right * -1;
164                 fixed_gunorg.z = gunorg * up;
165                 gunorg = fixed_gunorg;
166         }
167
168         cl_followmodel_ofs = gunorg;
169         cl_followmodel_time = time;
170 }
171
172 vector leanmodel_ofs(entity view)
173 {
174         float frac;
175         vector gunangles = '0 0 0';
176         static vector gunangles_prev = '0 0 0';
177         static vector gunangles_highpass = '0 0 0';
178         static vector gunangles_adjustment_highpass;
179         static vector gunangles_adjustment_lowpass;
180
181         if (view.csqcmodel_teleported)
182                 gunangles_prev = view_angles;
183
184         // in the highpass, we _store_ the DIFFERENCE to the actual view angles...
185         gunangles_highpass += gunangles_prev;
186         PITCH(gunangles_highpass) += 360 * floor((PITCH(view_angles) - PITCH(gunangles_highpass)) / 360 + 0.5);
187         YAW(gunangles_highpass) += 360 * floor((YAW(view_angles) - YAW(gunangles_highpass)) / 360 + 0.5);
188         ROLL(gunangles_highpass) += 360 * floor((ROLL(view_angles) - ROLL(gunangles_highpass)) / 360 + 0.5);
189         frac = avg_factor(autocvar_cl_leanmodel_highpass1);
190         highpass2_limited(view_angles, frac, autocvar_cl_leanmodel_limit, gunangles_highpass, gunangles);
191         gunangles_prev = view_angles;
192         gunangles_highpass -= gunangles_prev;
193
194         PITCH(gunangles) *= -autocvar_cl_leanmodel_speed;
195         YAW(gunangles) *= -autocvar_cl_leanmodel_speed;
196
197         // we assume here: PITCH = 0, YAW = 1, ROLL = 2
198         frac = avg_factor(autocvar_cl_leanmodel_highpass);
199         highpass2(gunangles, frac, gunangles_adjustment_highpass, gunangles);
200         frac = avg_factor(autocvar_cl_leanmodel_lowpass);
201         lowpass2(gunangles, frac, gunangles_adjustment_lowpass, gunangles);
202
203         gunangles.x = -gunangles.x; // pitch was inverted, now that actually matters
204
205         return gunangles;
206 }
207
208 vector bobmodel_ofs(entity view)
209 {
210         bool clonground = !(view.anim_implicit_state & ANIMIMPLICITSTATE_INAIR);
211         static bool oldonground;
212         static float hitgroundtime;
213         if (clonground)
214         {
215                 float f = time; // cl.movecmd[0].time
216                 if (!oldonground)
217                         hitgroundtime = f;
218         }
219         oldonground = clonground;
220
221         // calculate for swinging gun model
222         // the gun bobs when running on the ground, but doesn't bob when you're in the air.
223         vector gunorg = '0 0 0';
224         static float bobmodel_scale = 0;
225         static float time_ofs = 0; // makes the effect always restart in the same way
226         if (clonground)
227         {
228                 if (time - hitgroundtime > 0.05)
229                         bobmodel_scale = min(1, bobmodel_scale + frametime * 5);
230         }
231         else
232                 bobmodel_scale = max(0, bobmodel_scale - frametime * 5);
233
234         float xyspeed = bound(0, vlen(vec2(view.velocity)), 400);
235         if (bobmodel_scale && xyspeed)
236         {
237                 float bspeed = xyspeed * 0.01 * autocvar_cl_viewmodel_scale * bobmodel_scale;
238                 float s = (time - time_ofs) * autocvar_cl_bobmodel_speed;
239                 gunorg.y = bspeed * autocvar_cl_bobmodel_side * sin(s);
240                 gunorg.z = bspeed * autocvar_cl_bobmodel_up * cos(s * 2);
241         }
242         else
243                 time_ofs = time;
244
245         return gunorg;
246 }
247
248 void viewmodel_animate(entity this)
249 {
250         if (autocvar_chase_active) return;
251         if (STAT(HEALTH) <= 0) return;
252
253         entity view = CSQCModel_server2csqc(player_localentnum - 1);
254
255         if (autocvar_cl_followmodel)
256         {
257                 calc_followmodel_ofs(view);
258                 this.origin += cl_followmodel_ofs;
259         }
260
261         if (autocvar_cl_leanmodel)
262                 this.angles += leanmodel_ofs(view);
263
264         // vertical view bobbing code
265         // TODO: cl_bob
266
267         // horizontal view bobbing code
268         // TODO: cl_bob2
269
270         // fall bobbing code
271         // causes the view to swing down and back up when touching the ground
272         // TODO: cl_bobfall
273
274         // gun model bobbing code
275         if (autocvar_cl_bobmodel)
276                 this.origin += bobmodel_ofs(view);
277 }
278
279 .vector viewmodel_origin, viewmodel_angles;
280 .float weapon_nextthink;
281 .float weapon_eta_last;
282 .float weapon_switchdelay;
283
284 .string name_last;
285
286 void viewmodel_draw(entity this)
287 {
288         if(!this.activeweapon || !autocvar_r_drawviewmodel)
289                 return;
290         int mask = (intermission || (STAT(HEALTH) <= 0) || autocvar_chase_active) ? 0 : MASK_NORMAL;
291         float a = ((autocvar_cl_viewmodel_alpha) ? bound(-1, autocvar_cl_viewmodel_alpha, this.m_alpha) : this.m_alpha);
292         int wepskin = this.m_skin;
293         bool invehicle = player_localentnum > maxclients;
294         if (invehicle) a = -1;
295         Weapon wep = this.activeweapon;
296         int c = entcs_GetClientColors(current_player);
297         vector g = weaponentity_glowmod(wep, NULL, c, this);
298         entity me = CSQCModel_server2csqc(player_localentnum - 1);
299         int fx = ((me.csqcmodel_effects & EFMASK_CHEAP)
300                 | EF_NODEPTHTEST)
301                 &~ (EF_FULLBRIGHT); // can mask team color, so get rid of it
302         for (entity e = this; e; e = e.weaponchild)
303         {
304                 e.drawmask = mask;
305                 e.alpha = a;
306                 e.skin = wepskin;
307                 e.colormap = 256 + c;  // colormap == 0 is black, c == 0 is white
308                 e.glowmod = g;
309                 e.csqcmodel_effects = fx;
310                 CSQCModel_Effects_Apply(e);
311         }
312         if(a >= 0)
313         {
314                 string name = wep.mdl;
315                 string newname = wep.wr_viewmodel(wep, this);
316                 if(newname)
317                         name = newname;
318                 bool swap = name != this.name_last;
319                 // if (swap)
320                 {
321                         this.name_last = name;
322                         CL_WeaponEntity_SetModel(this, name, swap);
323                         this.viewmodel_origin = this.origin;
324                         this.viewmodel_angles = this.angles;
325                 }
326                 anim_update(this);
327                 if ((!this.animstate_override && !this.animstate_looping) || time > this.animstate_endtime)
328                         anim_set(this, this.anim_idle, true, false, false);
329         }
330         float f = 0; // 0..1; 0: fully active
331         float rate = STAT(WEAPONRATEFACTOR);
332         float eta = rate ? ((this.weapon_nextthink - time) / rate) : 0;
333         if (eta <= 0) f = this.weapon_eta_last;
334         else switch (this.state)
335         {
336                 case WS_RAISE:
337                 {
338                         f = eta / max(eta, this.weapon_switchdelay);
339                         break;
340                 }
341                 case WS_DROP:
342                 {
343                         f = 1 - eta / max(eta, this.weapon_switchdelay);
344                         break;
345                 }
346                 case WS_CLEAR:
347                 {
348                         f = 1;
349                         break;
350                 }
351         }
352         this.weapon_eta_last = f;
353         this.origin = this.viewmodel_origin;
354         this.angles = this.viewmodel_angles;
355         this.angles_x = (-90 * f * f);
356         viewmodel_animate(this);
357         MUTATOR_CALLHOOK(DrawViewModel, this);
358         setorigin(this, this.origin);
359 }
360
361 STATIC_INIT(viewmodel) {
362     for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
363         viewmodels[slot] = new(viewmodel);
364 }
365
366 float showfps_prevfps;
367 float showfps_prevfps_time;
368 int showfps_framecounter;
369
370 void fpscounter_update()
371 {
372         if(!STAT(SHOWFPS))
373                 return;
374
375         float currentTime = gettime(GETTIME_REALTIME);
376         showfps_framecounter += 1;
377         if(currentTime - showfps_prevfps_time > STAT(SHOWFPS))
378         {
379                 showfps_prevfps = showfps_framecounter/(currentTime - showfps_prevfps_time);
380                 showfps_framecounter = 0;
381                 showfps_prevfps_time = currentTime;
382
383                 int channel = MSG_C2S;
384                 WriteHeader(channel, fpsreport);
385                 WriteShort(channel, bound(0, rint(showfps_prevfps), 65535)); // prevent insane fps values
386         }
387 }
388
389 STATIC_INIT(fpscounter_init)
390 {
391         float currentTime = gettime(GETTIME_REALTIME);
392         showfps_prevfps_time = currentTime; // we must initialize it to avoid an instant low frame sending
393 }
394
395 float avgspeed;
396 vector GetCurrentFov(float fov)
397 {
398         float zoomsensitivity, zoomspeed, zoomfactor, zoomdir;
399         float velocityzoom, curspeed;
400         vector v;
401
402         zoomsensitivity = autocvar_cl_zoomsensitivity;
403         zoomfactor = autocvar_cl_zoomfactor;
404         if(zoomfactor < 1 || zoomfactor > 30)
405                 zoomfactor = 2.5;
406         zoomspeed = autocvar_cl_zoomspeed;
407         if (zoomspeed >= 0 && (zoomspeed < 0.5 || zoomspeed > 16))
408                 zoomspeed = 3.5;
409
410         zoomdir = button_zoom;
411
412         if(hud == HUD_NORMAL && !spectatee_status)
413         {
414                 for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
415                 {
416                         entity wepent = viewmodels[slot];
417                         if(wepent.switchweapon != wepent.activeweapon)
418                                 continue;
419                         Weapon wep = wepent.activeweapon;
420                         if(wep != WEP_Null && wep.wr_zoomdir)
421                         {
422                                 bool do_zoom = wep.wr_zoomdir(wep); // TODO: merge this with wr_zoom?
423                                 zoomdir += do_zoom;
424                         }
425                 }
426         }
427         if(spectatee_status > 0 || isdemo())
428         {
429                 if(spectatorbutton_zoom)
430                 {
431                         if(zoomdir)
432                                 zoomdir = 0;
433                         else
434                                 zoomdir = 1;
435                 }
436                 // fteqcc failed twice here already, don't optimize this
437         }
438
439         if(zoomdir) { zoomin_effect = 0; }
440
441         if (spectatee_status > 0 && STAT(CAMERA_SPECTATOR) == 2)
442         {
443                 current_viewzoom = 1;
444         }
445         else if (camera_active)
446         {
447                 current_viewzoom = min(1, current_viewzoom + drawframetime);
448         }
449         else if(autocvar_cl_spawnzoom && zoomin_effect)
450         {
451                 float spawnzoomfactor = bound(1, autocvar_cl_spawnzoom_factor, 30);
452
453                 current_viewzoom += (autocvar_cl_spawnzoom_speed * (spawnzoomfactor - current_viewzoom) * drawframetime);
454                 current_viewzoom = bound(1 / spawnzoomfactor, current_viewzoom, 1);
455                 if(current_viewzoom == 1) { zoomin_effect = 0; }
456         }
457         else
458         {
459                 if(zoomspeed < 0) // instant zoom
460                 {
461                         if(zoomdir)
462                                 current_viewzoom = 1 / zoomfactor;
463                         else
464                                 current_viewzoom = 1;
465                 }
466                 else
467                 {
468                         if(zoomdir)
469                                 current_viewzoom = 1 / bound(1, 1 / current_viewzoom + drawframetime * zoomspeed * (zoomfactor - 1), zoomfactor);
470                         else
471                                 current_viewzoom = bound(1 / zoomfactor, current_viewzoom + drawframetime * zoomspeed * (1 - 1 / zoomfactor), 1);
472                 }
473         }
474
475         if(almost_equals(current_viewzoom, 1))
476                 current_zoomfraction = 0;
477         else if(almost_equals(current_viewzoom, 1/zoomfactor))
478                 current_zoomfraction = 1;
479         else
480                 current_zoomfraction = (current_viewzoom - 1) / (1/zoomfactor - 1);
481
482         if(zoomsensitivity < 1)
483                 setsensitivityscale(current_viewzoom ** (1 - zoomsensitivity));
484         else
485                 setsensitivityscale(1);
486
487         if(autocvar_cl_velocityzoom_enabled && autocvar_cl_velocityzoom_type && !autocvar_cl_lockview) // _type = 0 disables velocity zoom too
488         {
489                 if (intermission || (spectatee_status > 0 && STAT(CAMERA_SPECTATOR) == 2))
490                         curspeed = 0;
491                 else
492                 {
493                         vector forward, right, up;
494                         MAKE_VECTORS(view_angles, forward, right, up);
495                         v = pmove_vel;
496                         if(csqcplayer)
497                                 v = csqcplayer.velocity;
498
499                         switch(autocvar_cl_velocityzoom_type)
500                         {
501                                 case 3: curspeed = max(0, forward * v); break;
502                                 case 2: curspeed = (forward * v); break;
503                                 case 1: default: curspeed = vlen(v); break;
504                         }
505                 }
506
507                 velocityzoom = bound(0, drawframetime / max(0.000000001, autocvar_cl_velocityzoom_time), 1); // speed at which the zoom adapts to player velocity
508                 avgspeed = avgspeed * (1 - velocityzoom) + (curspeed / autocvar_cl_velocityzoom_speed) * velocityzoom;
509                 velocityzoom = exp(float2range11(avgspeed * -autocvar_cl_velocityzoom_factor / 1) * 1);
510
511                 //print(ftos(avgspeed), " avgspeed, ", ftos(curspeed), " curspeed, ", ftos(velocityzoom), " return\n"); // for debugging
512         }
513         else
514                 velocityzoom = 1;
515
516         float frustumx, frustumy, fovx, fovy;
517         frustumy = tan(fov * M_PI / 360.0) * 0.75 * current_viewzoom * velocityzoom;
518         frustumx = frustumy * vid_width / vid_height / vid_pixelheight;
519         fovx = atan2(frustumx, 1) / M_PI * 360.0;
520         fovy = atan2(frustumy, 1) / M_PI * 360.0;
521
522         return '1 0 0' * fovx + '0 1 0' * fovy;
523 }
524
525 vector GetViewLocationFOV(float fov)
526 {
527         float frustumy = tan(fov * M_PI / 360.0) * 0.75;
528         float frustumx = frustumy * vid_width / vid_height / vid_pixelheight;
529         float fovx = atan2(frustumx, 1) / M_PI * 360.0;
530         float fovy = atan2(frustumy, 1) / M_PI * 360.0;
531         return '1 0 0' * fovx + '0 1 0' * fovy;
532 }
533
534 vector GetOrthoviewFOV(vector ov_worldmin, vector ov_worldmax, vector ov_mid, vector ov_org)
535 {
536         float fovx, fovy;
537         float width = (ov_worldmax.x - ov_worldmin.x);
538         float height = (ov_worldmax.y - ov_worldmin.y);
539         float distance_to_middle_of_world = vlen(ov_mid - ov_org);
540         fovx = atan2(width/2, distance_to_middle_of_world) / M_PI * 360.0;
541         fovy = atan2(height/2, distance_to_middle_of_world) / M_PI * 360.0;
542         return '1 0 0' * fovx + '0 1 0' * fovy;
543 }
544
545 // this function must match W_SetupShot!
546
547 bool minigame_wasactive;
548
549 float camera_mode;
550 const float CAMERA_FREE = 1;
551 const float CAMERA_CHASE = 2;
552 string NextFrameCommand;
553
554 vector freeze_org, freeze_ang;
555 entity nightvision_noise, nightvision_noise2;
556
557 float myhealth, myhealth_prev;
558 float myhealth_flash;
559
560 float old_blurradius, old_bluralpha;
561 float old_sharpen_intensity;
562
563 vector myhealth_gentlergb;
564
565 float contentavgalpha, liquidalpha_prev;
566 vector liquidcolor_prev;
567
568 float eventchase_current_distance;
569 float eventchase_running;
570 int WantEventchase(entity this, bool want_vehiclechase)
571 {
572         if(autocvar_cl_orthoview)
573                 return 0;
574         if(STAT(GAME_STOPPED) || intermission)
575                 return 1;
576         if(this.viewloc)
577                 return 1;
578         if(spectatee_status >= 0)
579         {
580                 if(want_vehiclechase)
581                         return 1;
582                 if(MUTATOR_CALLHOOK(WantEventchase, this))
583                         return 1;
584                 if(autocvar_cl_eventchase_frozen && STAT(FROZEN))
585                         return 1;
586                 if(autocvar_cl_eventchase_death && (STAT(HEALTH) <= 0))
587                 {
588                         if(autocvar_cl_eventchase_death == 2)
589                         {
590                                 // don't stop eventchase once it's started (even if velocity changes afterwards)
591                                 if(this.velocity == '0 0 0' || eventchase_running)
592                                         return 1;
593                         }
594                         else return 1;
595                 }
596                 if (spectatee_status > 0 && autocvar_cl_eventchase_spectated_change)
597                 {
598                         if (time <= spectatee_status_changed_time + min(3, autocvar_cl_eventchase_spectated_change_time))
599                                 return 1;
600                         else if (eventchase_running)
601                                 return -1; // disable chase_active while eventchase is still enabled so to avoid a glicth
602                 }
603         }
604         return 0;
605 }
606
607 void View_EventChase(entity this)
608 {
609         // event chase camera
610         if(autocvar_chase_active <= 0) // greater than 0 means it's enabled manually, and this code is skipped
611         {
612                 if(STAT(CAMERA_SPECTATOR))
613                 {
614                         if(spectatee_status > 0)
615                         {
616                                 if(!autocvar_chase_active)
617                                 {
618                                         cvar_set("chase_active", "-2");
619                                         return;
620                                 }
621                         }
622                         else if(autocvar_chase_active == -2)
623                                 cvar_set("chase_active", "0");
624
625                         if(autocvar_chase_active == -2)
626                                 return;
627                 }
628                 else if(autocvar_chase_active == -2)
629                         cvar_set("chase_active", "0");
630
631                 bool vehicle_chase = (hud != HUD_NORMAL && (autocvar_cl_eventchase_vehicle || spectatee_status > 0));
632
633                 float vehicle_viewdist = 0;
634                 vector vehicle_viewofs = '0 0 0';
635
636                 if(vehicle_chase)
637                 {
638                         if(hud != HUD_BUMBLEBEE_GUN)
639                         {
640                                 Vehicle info = REGISTRY_GET(Vehicles, hud);
641                                 vehicle_viewdist = info.height;
642                                 vehicle_viewofs = info.view_ofs;
643                                 if(vehicle_viewdist < 0) // when set below 0, this vehicle doesn't use third person view (gunner slots)
644                                         vehicle_chase = false;
645                         }
646                         else
647                                 vehicle_chase = false;
648                 }
649
650                 int eventchase = WantEventchase(this, vehicle_chase);
651                 if (eventchase)
652                 {
653                         vector current_view_origin_override = '0 0 0';
654                         vector view_offset_override = '0 0 0';
655                         float chase_distance_override = 0;
656                         bool custom_eventchase = MUTATOR_CALLHOOK(CustomizeEventchase, this);
657                         if(custom_eventchase)
658                         {
659                                 current_view_origin_override = M_ARGV(0, vector);
660                                 view_offset_override = M_ARGV(1, vector);
661                                 chase_distance_override = M_ARGV(0, float);
662                         }
663                         eventchase_running = true;
664
665                         // 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.)
666                         vector current_view_origin = (csqcplayer ? csqcplayer.origin : pmove_org);
667                         if (custom_eventchase)
668                                 current_view_origin = current_view_origin_override;
669
670                         // detect maximum viewoffset and use it
671                         vector view_offset = autocvar_cl_eventchase_viewoffset;
672                         if(vehicle_chase)
673                         {
674                                 if(vehicle_viewofs)
675                                         view_offset = vehicle_viewofs;
676                                 else
677                                         view_offset = autocvar_cl_eventchase_vehicle_viewoffset;
678                         }
679                         if (custom_eventchase)
680                                 view_offset = view_offset_override;
681
682                         if(view_offset)
683                         {
684                                 WarpZone_TraceLine(current_view_origin, current_view_origin + view_offset + ('0 0 1' * autocvar_cl_eventchase_maxs.z), MOVE_WORLDONLY, this);
685                                 if(trace_fraction == 1) { current_view_origin += view_offset; }
686                                 else { current_view_origin.z += max(0, (trace_endpos.z - current_view_origin.z) - autocvar_cl_eventchase_maxs.z); }
687                         }
688
689                         // We must enable chase_active to get a third person view (weapon viewmodel hidden and own player model showing).
690                         // Ideally, there should be another way to enable third person cameras, such as through setproperty()
691                         // -1 enables chase_active while marking it as set by this code, and not by the user (which would be 1)
692                         if(!autocvar_chase_active) { cvar_set("chase_active", "-1"); }
693
694                         // make the camera smooth back
695                         float chase_distance = autocvar_cl_eventchase_distance;
696                         if(vehicle_chase)
697                         {
698                                 if(vehicle_viewofs)
699                                         chase_distance = vehicle_viewdist;
700                                 else
701                                         chase_distance = autocvar_cl_eventchase_vehicle_distance;
702                         }
703                         if (custom_eventchase)
704                                 chase_distance = chase_distance_override;
705
706                         if(autocvar_cl_eventchase_speed && eventchase_current_distance < chase_distance)
707                                 eventchase_current_distance += autocvar_cl_eventchase_speed * (chase_distance - eventchase_current_distance) * frametime; // slow down the further we get
708                         else if(eventchase_current_distance != chase_distance)
709                                 eventchase_current_distance = chase_distance;
710
711                         vector forward, right, up;
712                         MAKE_VECTORS(view_angles, forward, right, up);
713
714                         vector eventchase_target_origin = (current_view_origin - (forward * eventchase_current_distance));
715                         WarpZone_TraceBox(current_view_origin, autocvar_cl_eventchase_mins, autocvar_cl_eventchase_maxs, eventchase_target_origin, MOVE_WORLDONLY, this);
716
717                         // If the boxtrace fails, revert back to line tracing.
718                         if(!this.viewloc)
719                         if(trace_startsolid)
720                         {
721                                 eventchase_target_origin = (current_view_origin - (forward * eventchase_current_distance));
722                                 WarpZone_TraceLine(current_view_origin, eventchase_target_origin, MOVE_WORLDONLY, this);
723                                 setproperty(VF_ORIGIN, (trace_endpos - (forward * autocvar_cl_eventchase_mins.z)));
724                         }
725                         else { setproperty(VF_ORIGIN, trace_endpos); }
726
727                         if(!this.viewloc)
728                                 setproperty(VF_ANGLES, WarpZone_TransformVAngles(WarpZone_trace_transform, view_angles));
729                 }
730
731                 if (eventchase <= 0 && autocvar_chase_active < 0) // time to disable chase_active if it was set by this code
732                 {
733                         eventchase_running = false;
734                         cvar_set("chase_active", "0");
735                         eventchase_current_distance = 0; // start from 0 next time
736                 }
737         }
738         // workaround for camera stuck between player's legs when using chase_active 1
739         // because the engine stops updating the chase_active camera when the game ends
740         else if(intermission)
741         {
742                 cvar_settemp("chase_active", "-1");
743                 eventchase_current_distance = 0;
744         }
745 }
746
747 vector damage_blurpostprocess, content_blurpostprocess;
748
749 void UpdateDamage()
750 {
751         // accumulate damage with each stat update
752         static float damage_total_prev = 0;
753         float damage_total = STAT(DAMAGE_DEALT_TOTAL);
754         float unaccounted_damage_new = COMPARE_INCREASING(damage_total, damage_total_prev);
755         damage_total_prev = damage_total;
756
757         static float damage_dealt_time_prev = 0;
758         float damage_dealt_time = STAT(HIT_TIME);
759         if (damage_dealt_time != damage_dealt_time_prev)
760         {
761                 unaccounted_damage += unaccounted_damage_new;
762                 //LOG_TRACE("dmg total: ", ftos(unaccounted_damage), " (+", ftos(unaccounted_damage_new), ")");
763         }
764         damage_dealt_time_prev = damage_dealt_time;
765
766         // prevent hitsound when switching spectatee
767         static float spectatee_status_prev = 0;
768         if (spectatee_status != spectatee_status_prev)
769                 unaccounted_damage = 0;
770         spectatee_status_prev = spectatee_status;
771 }
772
773 void HitSound()
774 {
775         // varying sound pitch
776
777         bool have_arc = false;
778         for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
779         {
780                 entity wepent = viewmodels[slot];
781
782                 if(wepent.activeweapon == WEP_ARC)
783                         have_arc = true;
784         }
785
786         static float hitsound_time_prev = 0;
787         // HACK: the only way to get the arc to sound consistent with pitch shift is to ignore cl_hitsound_antispam_time
788         bool arc_hack = have_arc && autocvar_cl_hitsound >= 2;
789         if (arc_hack || COMPARE_INCREASING(time, hitsound_time_prev) > autocvar_cl_hitsound_antispam_time)
790         {
791                 if (autocvar_cl_hitsound && unaccounted_damage)
792                 {
793                         // customizable gradient function that crosses (0,a), (c,1) and asymptotically approaches b
794                         float a = autocvar_cl_hitsound_max_pitch;
795                         float b = autocvar_cl_hitsound_min_pitch;
796                         float c = autocvar_cl_hitsound_nom_damage;
797                         float d = unaccounted_damage;
798                         float pitch_shift = (b*d*(a-1) + a*c*(1-b)) / (d*(a-1) + c*(1-b));
799
800                         // if sound variation is disabled, set pitch_shift to 1
801                         if (autocvar_cl_hitsound == 1)
802                                 pitch_shift = 1;
803
804                         // if pitch shift is reversed, mirror in (max-min)/2 + min
805                         if (autocvar_cl_hitsound == 3)
806                         {
807                                 float mirror_value = (a-b)/2 + b;
808                                 pitch_shift = mirror_value + (mirror_value - pitch_shift);
809                         }
810
811                         //LOG_TRACE("dmg total (dmg): ", ftos(unaccounted_damage), " , pitch shift: ", ftos(pitch_shift));
812
813                         // todo: avoid very long and very short sounds from wave stretching using different sound files? seems unnecessary
814                         // todo: normalize sound pressure levels? seems unnecessary
815
816                         sound7(NULL, CH_INFO, SND(HIT), VOL_BASE, ATTN_NONE, pitch_shift * 100, 0);
817                 }
818                 unaccounted_damage = 0;
819                 hitsound_time_prev = time;
820         }
821
822         static float typehit_time_prev = 0;
823         float typehit_time = STAT(TYPEHIT_TIME);
824         if (COMPARE_INCREASING(typehit_time, typehit_time_prev) > autocvar_cl_hitsound_antispam_time)
825         {
826                 sound(NULL, CH_INFO, SND_TYPEHIT, VOL_BASE, ATTN_NONE);
827                 typehit_time_prev = typehit_time;
828         }
829
830         static float kill_time_prev = 0;
831         float kill_time = STAT(KILL_TIME);
832         if (COMPARE_INCREASING(kill_time, kill_time_prev) > autocvar_cl_hitsound_antispam_time)
833         {
834                 sound(NULL, CH_INFO, SND_KILL, VOL_BASE, ATTN_NONE);
835                 kill_time_prev = kill_time;
836         }
837 }
838
839 const int MAX_SPECIALCOMMAND = 15;
840 vector specialcommand_slots[MAX_SPECIALCOMMAND];
841 vector specialcommand_colors[MAX_SPECIALCOMMAND];
842 const float SPECIALCOMMAND_SPEED = 150;
843 const float SPECIALCOMMAND_TURNSPEED = 2;
844 const float SPECIALCOMMAND_SIZE = 0.025;
845 const float SPECIALCOMMAND_CHANCE = 0.35;
846 float sc_spawntime, sc_changetime;
847 vector sc_color = '1 1 1';
848 void SpecialCommand()
849 {
850         if(!STAT(MOVEVARS_SPECIALCOMMAND))
851                 return;
852
853         if(time >= sc_changetime)
854         {
855                 sc_changetime = time + 1;
856                 sc_color = randomvec() * 1.5;
857                 sc_color.x = bound(0.2, sc_color.x, 0.75);
858                 sc_color.y = bound(0.2, sc_color.y, 0.75);
859                 sc_color.z = bound(0.2, sc_color.z, 0.75);
860         }
861         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);
862
863         if(!precache_pic("gfx/smile"))
864                 return; // damn party poopers
865
866         for(int j = MAX_SPECIALCOMMAND - 1; j >= 0; --j)
867         {
868                 vector slot = specialcommand_slots[j];
869                 if(slot.y)
870                         slot.y += SPECIALCOMMAND_SPEED * frametime;
871                 //if(slot.z)
872                         //slot.z = sin(SPECIALCOMMAND_TURNSPEED * M_PI * time);
873                 if(slot.y >= vid_conheight)
874                         slot = '0 0 0';
875
876                 if(slot == '0 0 0')
877                 {
878                         if(random() <= SPECIALCOMMAND_CHANCE && time > sc_spawntime) // low chance to spawn!
879                         {
880                                 slot.x = bound(0, (random() * vid_conwidth + 1), vid_conwidth);
881                                 slot.y = 1; // start it off 0 so we can use it
882                                 slot.z = floor(random() * REGISTRY_MAX(Weapons));
883                                 sc_spawntime = time + bound(0.4, random(), 0.75); // prevent spawning another one for this amount of time!
884                                 vector newcolor = randomvec() * 2;
885                                 newcolor.x = bound(0.4, newcolor.x, 1);
886                                 newcolor.y = bound(0.4, newcolor.y, 1);
887                                 newcolor.z = bound(0.4, newcolor.z, 1);
888                                 specialcommand_colors[j] = newcolor;
889                         }
890                 }
891                 else
892                 {
893                         vector splash_size = '0 0 0';
894                         splash_size.x = max(vid_conwidth, vid_conheight) * SPECIALCOMMAND_SIZE;
895                         splash_size.y = max(vid_conwidth, vid_conheight) * SPECIALCOMMAND_SIZE;
896                         entity wep = REGISTRY_GET(Weapons, slot.z);
897                         if(wep == WEP_Null)
898                                 drawpic(vec2(slot), "gfx/smile", vec2(splash_size), specialcommand_colors[j], 0.95, DRAWFLAG_NORMAL);
899                         else
900                                 drawpic_skin(vec2(slot), wep.model2, vec2(splash_size), specialcommand_colors[j], 0.95, DRAWFLAG_NORMAL);
901                         //drawrotpic(vec2(slot), slot.z, "gfx/smile", vec2(splash_size), vec2(splash_size) / 2, specialcommand_colors[j], 0.95, DRAWFLAG_NORMAL);
902                 }
903
904                 specialcommand_slots[j] = slot;
905         }
906 }
907
908 void HUD_Draw(entity this)
909 {
910         // if we don't know gametype and scores yet avoid drawing the scoreboard
911         // also in the very first frames, player state may be inconsistent so avoid drawing the hud at all
912         // e.g. since initial player's health is 0 hud would display the hud_damage effect,
913         // cl_deathscoreboard would show the scoreboard and so on
914         if(!gametype)
915                 return;
916
917         Hud_Dynamic_Frame();
918
919         if(!intermission)
920         if (MUTATOR_CALLHOOK(HUD_Draw_overlay))
921         {
922                 drawfill('0 0 0', vec2(vid_conwidth, vid_conheight), M_ARGV(0, vector), autocvar_hud_colorflash_alpha * M_ARGV(1, float), DRAWFLAG_ADDITIVE);
923         }
924         else if(STAT(FROZEN))
925         {
926                 vector col = '0.25 0.90 1';
927                 if(STAT(REVIVE_PROGRESS))
928                         col += vec3(STAT(REVIVE_PROGRESS), -STAT(REVIVE_PROGRESS), -STAT(REVIVE_PROGRESS));
929                 drawfill('0 0 0', vec2(vid_conwidth, vid_conheight), col, autocvar_hud_colorflash_alpha, DRAWFLAG_ADDITIVE);
930         }
931
932         HUD_Scale_Enable();
933         if(!intermission)
934         if(STAT(NADE_TIMER) && autocvar_cl_nade_timer) // give nade top priority, as it's a matter of life and death
935         {
936                 vector col = '0.25 0.90 1' + vec3(STAT(NADE_TIMER), -STAT(NADE_TIMER), -STAT(NADE_TIMER));
937                 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);
938                 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);
939         }
940         else if(STAT(CAPTURE_PROGRESS))
941         {
942                 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);
943                 drawstring_aspect(eY * 0.64 * vid_conheight, _("Capture progress"), vec2(vid_conwidth, 0.025 * vid_conheight), '1 1 1', 1, DRAWFLAG_NORMAL);
944         }
945         else if(STAT(REVIVE_PROGRESS))
946         {
947                 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);
948                 drawstring_aspect(eY * 0.64 * vid_conheight, _("Revival progress"), vec2(vid_conwidth, 0.025 * vid_conheight), '1 1 1', 1, DRAWFLAG_NORMAL);
949         }
950         HUD_Scale_Disable();
951
952         if(autocvar_r_letterbox == 0)
953                 if(autocvar_viewsize < 120)
954                 {
955                         if(!MUTATOR_CALLHOOK(DrawScoreboardAccuracy))
956                                 Accuracy_LoadLevels();
957
958                         HUD_Main();
959                         HUD_Scale_Disable();
960                 }
961
962         // crosshair goes VERY LAST
963         SpecialCommand();
964         UpdateDamage();
965         HUD_Crosshair(this);
966         HitSound();
967 }
968
969 void ViewLocation_Mouse()
970 {
971         if(spectatee_status)
972                 return; // don't draw it as spectator!
973
974         viewloc_mousepos += getmousepos() * autocvar_menu_mouse_speed;
975         viewloc_mousepos.x = bound(0, viewloc_mousepos.x, vid_conwidth);
976         viewloc_mousepos.y = bound(0, viewloc_mousepos.y, vid_conheight);
977
978         //float cursor_alpha = 1 - autocvar__menu_alpha;
979         //cursor_type = CURSOR_NORMAL;
980         //draw_cursor(viewloc_mousepos, '0.5 0.5 0', "/cursor_move", '1 1 1', cursor_alpha);
981 }
982
983 void HUD_Cursor_Show()
984 {
985         float cursor_alpha = 1 - autocvar__menu_alpha;
986         if(cursor_type == CURSOR_NORMAL)
987                 draw_cursor_normal(mousepos, '1 1 1', cursor_alpha);
988         else if(cursor_type == CURSOR_MOVE)
989                 draw_cursor(mousepos, '0.5 0.5 0', "/cursor_move", '1 1 1', cursor_alpha);
990         else if(cursor_type == CURSOR_RESIZE)
991                 draw_cursor(mousepos, '0.5 0.5 0', "/cursor_resize", '1 1 1', cursor_alpha);
992         else if(cursor_type == CURSOR_RESIZE2)
993                 draw_cursor(mousepos, '0.5 0.5 0', "/cursor_resize2", '1 1 1', cursor_alpha);
994 }
995
996 void HUD_Mouse(entity player)
997 {
998         if(autocvar__menu_alpha == 1)
999                 return;
1000
1001         if(!cursor_active)
1002         {
1003                 if(player.viewloc && (player.viewloc.spawnflags & VIEWLOC_FREEAIM))
1004                         ViewLocation_Mouse(); // NOTE: doesn't use cursormode
1005                 return;
1006         }
1007
1008         if (cursor_active == -1) // starting to display the cursor
1009         {
1010                 // since HUD_Mouse is called by CSQC_UpdateView before CSQC_InputEvent,
1011                 // in the first frame mousepos is the mouse position of the last time
1012                 // the cursor was displayed, thus we ignore it to avoid a glictch
1013                 cursor_active = 1;
1014                 return;
1015         }
1016
1017         if(!autocvar_hud_cursormode)
1018                 update_mousepos();
1019
1020         cursor_type = CURSOR_NORMAL;
1021         if(autocvar__hud_configure)
1022                 HUD_Panel_Mouse();
1023         else
1024         {
1025                 if (HUD_MinigameMenu_IsOpened())
1026                         HUD_Minigame_Mouse();
1027                 if (QuickMenu_IsOpened())
1028                         QuickMenu_Mouse();
1029                 if (HUD_Radar_Clickable())
1030                         HUD_Radar_Mouse();
1031         }
1032
1033         prevMouseClicked = mouseClicked;
1034
1035         HUD_Cursor_Show();
1036 }
1037
1038 void View_NightVision()
1039 {
1040         if(!(autocvar_r_fakelight >= 2 || autocvar_r_fullbright) || (serverflags & SERVERFLAG_ALLOW_FULLBRIGHT))
1041                 return;
1042
1043         // apply night vision effect
1044         vector tc_00, tc_01, tc_10, tc_11;
1045         vector rgb = '0 0 0';
1046         float a;
1047
1048         if(!nightvision_noise)
1049         {
1050                 nightvision_noise = new(nightvision_noise);
1051         }
1052         if(!nightvision_noise2)
1053         {
1054                 nightvision_noise2 = new(nightvision_noise2);
1055         }
1056
1057         // color tint in yellow
1058         drawfill('0 0 0', autocvar_vid_conwidth * '1 0 0' + autocvar_vid_conheight * '0 1 0', '0.5 1 0.3', 1, DRAWFLAG_MODULATE);
1059
1060         // draw BG
1061         a = Noise_Pink(nightvision_noise, frametime * 1.5) * 0.05 + 0.15;
1062         rgb = '1 1 1';
1063         tc_00 = '0 0 0' + '0.2 0 0' * sin(time * 0.3) + '0 0.3 0' * cos(time * 0.7);
1064         tc_01 = '0 2.25 0' + '0.6 0 0' * cos(time * 1.2) - '0 0.3 0' * sin(time * 2.2);
1065         tc_10 = '1.5 0 0' - '0.2 0 0' * sin(time * 0.5) + '0 0.5 0' * cos(time * 1.7);
1066         //tc_11 = '1 1 0' + '0.6 0 0' * sin(time * 0.6) + '0 0.3 0' * cos(time * 0.1);
1067         tc_11 = tc_01 + tc_10 - tc_00;
1068         R_BeginPolygon("gfx/nightvision-bg.tga", DRAWFLAG_ADDITIVE, true);
1069         R_PolygonVertex('0 0 0', tc_00, rgb, a);
1070         R_PolygonVertex(autocvar_vid_conwidth * '1 0 0', tc_10, rgb, a);
1071         R_PolygonVertex(autocvar_vid_conwidth * '1 0 0' + autocvar_vid_conheight * '0 1 0', tc_11, rgb, a);
1072         R_PolygonVertex(autocvar_vid_conheight * '0 1 0', tc_01, rgb, a);
1073         R_EndPolygon();
1074
1075         // draw FG
1076         a = Noise_Pink(nightvision_noise2, frametime * 0.1) * 0.05 + 0.12;
1077         rgb = '0.3 0.6 0.4' + '0.1 0.4 0.2' * Noise_White(nightvision_noise2, frametime);
1078         tc_00 = '0 0 0' + '1 0 0' * Noise_White(nightvision_noise2, frametime) + '0 1 0' * Noise_White(nightvision_noise2, frametime);
1079         tc_01 = tc_00 + '0 3 0' * (1 + Noise_White(nightvision_noise2, frametime) * 0.2);
1080         tc_10 = tc_00 + '2 0 0' * (1 + Noise_White(nightvision_noise2, frametime) * 0.3);
1081         tc_11 = tc_01 + tc_10 - tc_00;
1082         R_BeginPolygon("gfx/nightvision-fg.tga", DRAWFLAG_ADDITIVE, true);
1083         R_PolygonVertex('0 0 0', tc_00, rgb, a);
1084         R_PolygonVertex(autocvar_vid_conwidth * '1 0 0', tc_10, rgb, a);
1085         R_PolygonVertex(autocvar_vid_conwidth * '1 0 0' + autocvar_vid_conheight * '0 1 0', tc_11, rgb, a);
1086         R_PolygonVertex(autocvar_vid_conheight * '0 1 0', tc_01, rgb, a);
1087         R_EndPolygon();
1088 }
1089
1090 // visual overlay while in liquids
1091 // provides some effects to the postprocessing function
1092 void HUD_Contents()
1093 {
1094         if(!autocvar_hud_contents || MUTATOR_CALLHOOK(HUD_Contents))
1095                 return;
1096
1097         // improved polyblend
1098         float contentalpha_temp, incontent, liquidalpha, contentfadetime;
1099         vector liquidcolor;
1100
1101         switch(pointcontents(view_origin))
1102         {
1103                 case CONTENT_WATER:
1104                         liquidalpha = autocvar_hud_contents_water_alpha;
1105                         liquidcolor = stov(autocvar_hud_contents_water_color);
1106                         incontent = 1;
1107                         break;
1108
1109                 case CONTENT_LAVA:
1110                         liquidalpha = autocvar_hud_contents_lava_alpha;
1111                         liquidcolor = stov(autocvar_hud_contents_lava_color);
1112                         incontent = 1;
1113                         break;
1114
1115                 case CONTENT_SLIME:
1116                         liquidalpha = autocvar_hud_contents_slime_alpha;
1117                         liquidcolor = stov(autocvar_hud_contents_slime_color);
1118                         incontent = 1;
1119                         break;
1120
1121                 default:
1122                         liquidalpha = 0;
1123                         liquidcolor = '0 0 0';
1124                         incontent = 0;
1125                         break;
1126         }
1127
1128         if(incontent) // fade in/out at different speeds so you can do e.g. instant fade when entering water and slow when leaving it.
1129         { // also lets delcare previous values for blending properties, this way it isn't reset until after you have entered a different content
1130                 contentfadetime = autocvar_hud_contents_fadeintime;
1131                 liquidalpha_prev = liquidalpha;
1132                 liquidcolor_prev = liquidcolor;
1133         }
1134         else
1135                 contentfadetime = autocvar_hud_contents_fadeouttime;
1136
1137         contentalpha_temp = bound(0, drawframetime / max(0.0001, contentfadetime), 1);
1138         contentavgalpha = contentavgalpha * (1 - contentalpha_temp) + incontent * contentalpha_temp;
1139
1140         if(contentavgalpha)
1141                 drawfill('0 0 0', vec2(vid_conwidth, vid_conheight), liquidcolor_prev, contentavgalpha * liquidalpha_prev, DRAWFLAG_NORMAL);
1142
1143         if(autocvar_hud_postprocessing)
1144         {
1145                 if(autocvar_hud_contents_blur && contentavgalpha)
1146                 {
1147                         content_blurpostprocess.x = 1;
1148                         content_blurpostprocess.y = contentavgalpha * autocvar_hud_contents_blur;
1149                         content_blurpostprocess.z = contentavgalpha * autocvar_hud_contents_blur_alpha;
1150                 }
1151                 else
1152                 {
1153                         content_blurpostprocess.x = 0;
1154                         content_blurpostprocess.y = 0;
1155                         content_blurpostprocess.z = 0;
1156                 }
1157         }
1158 }
1159
1160 // visual pain effects on the screen
1161 // provides some effects to the postprocessing function
1162 void HUD_Damage()
1163 {
1164         if(!autocvar_hud_damage || STAT(FROZEN))
1165                 return;
1166
1167         vector splash_pos = '0 0 0', splash_size = '0 0 0';
1168         splash_size.x = max(vid_conwidth, vid_conheight);
1169         splash_size.y = max(vid_conwidth, vid_conheight);
1170         splash_pos.x = (vid_conwidth - splash_size.x) / 2;
1171         splash_pos.y = (vid_conheight - splash_size.y) / 2;
1172
1173         float myhealth_flash_temp;
1174         myhealth = STAT(HEALTH);
1175
1176         // fade out
1177         myhealth_flash = max(0, myhealth_flash - autocvar_hud_damage_fade_rate * frametime);
1178         // add new damage
1179         myhealth_flash = bound(0, myhealth_flash + dmg_take * autocvar_hud_damage_factor, autocvar_hud_damage_maxalpha);
1180
1181         float pain_threshold, pain_threshold_lower, pain_threshold_lower_health;
1182         pain_threshold = autocvar_hud_damage_pain_threshold;
1183         pain_threshold_lower = autocvar_hud_damage_pain_threshold_lower;
1184         pain_threshold_lower_health = autocvar_hud_damage_pain_threshold_lower_health;
1185
1186         if(pain_threshold_lower && myhealth < pain_threshold_lower_health)
1187         {
1188                 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);
1189         }
1190
1191         myhealth_flash_temp = bound(0, myhealth_flash - pain_threshold, 1);
1192
1193         if(myhealth_prev < 1)
1194         {
1195                 if(myhealth >= 1)
1196                 {
1197                         myhealth_flash = 0; // just spawned, clear the flash immediately
1198                         myhealth_flash_temp = 0;
1199                 }
1200                 else
1201                 {
1202                         myhealth_flash += autocvar_hud_damage_fade_rate * frametime; // dead
1203                 }
1204         }
1205
1206         if(spectatee_status == -1 || intermission)
1207         {
1208                 myhealth_flash = 0; // observing, or match ended
1209                 myhealth_flash_temp = 0;
1210         }
1211
1212         myhealth_prev = myhealth;
1213
1214         // IDEA: change damage color/picture based on player model for robot/alien species?
1215         // pro: matches model better
1216         // contra: it's not red because blood is red, but because red is an alarming color, so red should stay
1217         // maybe different reddish pics?
1218         if(autocvar_cl_gentle_damage || autocvar_cl_gentle)
1219         {
1220                 if(autocvar_cl_gentle_damage == 2)
1221                 {
1222                         if(myhealth_flash < pain_threshold) // only randomize when the flash is gone
1223                                 myhealth_gentlergb = randomvec();
1224                 }
1225                 else
1226                         myhealth_gentlergb = stov(autocvar_hud_damage_gentle_color);
1227
1228                 if(myhealth_flash_temp > 0)
1229                         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);
1230         }
1231         else if(myhealth_flash_temp > 0)
1232                 drawpic(splash_pos, "gfx/blood", splash_size, stov(autocvar_hud_damage_color), bound(0, myhealth_flash_temp, 1) * autocvar_hud_damage, DRAWFLAG_NORMAL);
1233
1234         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.
1235         {
1236                 if(autocvar_hud_damage_blur && myhealth_flash_temp)
1237                 {
1238                         damage_blurpostprocess.x = 1;
1239                         damage_blurpostprocess.y = bound(0, myhealth_flash_temp, 1) * autocvar_hud_damage_blur;
1240                         damage_blurpostprocess.z = bound(0, myhealth_flash_temp, 1) * autocvar_hud_damage_blur_alpha;
1241                 }
1242                 else
1243                 {
1244                         damage_blurpostprocess.x = 0;
1245                         damage_blurpostprocess.y = 0;
1246                         damage_blurpostprocess.z = 0;
1247                 }
1248         }
1249 }
1250
1251 void View_PostProcessing()
1252 {
1253         float e1 = (autocvar_hud_postprocessing_maxbluralpha != 0);
1254         float e2 = (autocvar_hud_powerup != 0);
1255         if(autocvar_hud_postprocessing && (e1 || e2)) // TODO: Remove this code and re-do the postprocess handling in the engine, where it properly belongs.
1256         {
1257                 // enable or disable rendering types if they are used or not
1258                 if(cvar("r_glsl_postprocess_uservec1_enable") != e1) { cvar_set("r_glsl_postprocess_uservec1_enable", ftos(e1)); }
1259                 if(cvar("r_glsl_postprocess_uservec2_enable") != e2) { cvar_set("r_glsl_postprocess_uservec2_enable", ftos(e2)); }
1260
1261                 // blur postprocess handling done first (used by hud_damage and hud_contents)
1262                 if((damage_blurpostprocess.x || content_blurpostprocess.x))
1263                 {
1264                         float blurradius = bound(0, damage_blurpostprocess.y + content_blurpostprocess.y, autocvar_hud_postprocessing_maxblurradius);
1265                         float bluralpha = bound(0, damage_blurpostprocess.z + content_blurpostprocess.z, autocvar_hud_postprocessing_maxbluralpha);
1266                         if(blurradius != old_blurradius || bluralpha != old_bluralpha) // reduce cvar_set spam as much as possible
1267                         {
1268                                 cvar_set("r_glsl_postprocess_uservec1", strcat(ftos(blurradius), " ", ftos(bluralpha), " 0 0"));
1269                                 old_blurradius = blurradius;
1270                                 old_bluralpha = bluralpha;
1271                         }
1272                 }
1273                 else if(cvar_string("r_glsl_postprocess_uservec1") != "0 0 0 0") // reduce cvar_set spam as much as possible
1274                 {
1275                         cvar_set("r_glsl_postprocess_uservec1", "0 0 0 0");
1276                         old_blurradius = 0;
1277                         old_bluralpha = 0;
1278                 }
1279
1280                 // edge detection postprocess handling done second (used by hud_powerup)
1281                 float sharpen_intensity = 0, strength_finished = STAT(STRENGTH_FINISHED), invincible_finished = STAT(INVINCIBLE_FINISHED);
1282                 if (strength_finished - time > 0) { sharpen_intensity += (strength_finished - time); }
1283                 if (invincible_finished - time > 0) { sharpen_intensity += (invincible_finished - time); }
1284
1285                 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.
1286
1287                 if(autocvar_hud_powerup && sharpen_intensity > 0)
1288                 {
1289                         if(sharpen_intensity != old_sharpen_intensity) // reduce cvar_set spam as much as possible
1290                         {
1291                                 cvar_set("r_glsl_postprocess_uservec2", strcat(ftos((sharpen_intensity / 5) * autocvar_hud_powerup), " ", ftos(-sharpen_intensity * autocvar_hud_powerup), " 0 0"));
1292                                 old_sharpen_intensity = sharpen_intensity;
1293                         }
1294                 }
1295                 else if(cvar_string("r_glsl_postprocess_uservec2") != "0 0 0 0") // reduce cvar_set spam as much as possible
1296                 {
1297                         cvar_set("r_glsl_postprocess_uservec2", "0 0 0 0");
1298                         old_sharpen_intensity = 0;
1299                 }
1300
1301                 if(cvar("r_glsl_postprocess") == 0)
1302                         cvar_set("r_glsl_postprocess", "2");
1303         }
1304         else if(cvar("r_glsl_postprocess") == 2)
1305                 cvar_set("r_glsl_postprocess", "0");
1306 }
1307
1308 void View_Lock()
1309 {
1310         int lock_type = (!autocvar_hud_cursormode && ((autocvar__hud_configure && spectatee_status <= 0) || intermission > 1 || QuickMenu_IsOpened()));
1311         if (lock_type == 0)
1312                 lock_type = autocvar_cl_lockview;
1313
1314         // lock_type 1: lock origin and angles
1315         // lock_type 2: lock only origin
1316         if(lock_type >= 1)
1317                 setproperty(VF_ORIGIN, freeze_org);
1318         else
1319                 freeze_org = getpropertyvec(VF_ORIGIN);
1320         if(lock_type == 1)
1321                 setproperty(VF_ANGLES, freeze_ang);
1322         else
1323                 freeze_ang = getpropertyvec(VF_ANGLES);
1324 }
1325
1326 void View_DemoCamera()
1327 {
1328         if(camera_active) // Camera for demo playback
1329         {
1330                 if(autocvar_camera_enable)
1331                         CSQC_Demo_Camera();
1332                 else
1333                 {
1334                         cvar_set("chase_active", ftos(chase_active_backup));
1335                         cvar_set("cl_demo_mousegrab", "0");
1336                         camera_active = false;
1337                 }
1338         }
1339         else
1340         {
1341 #ifdef CAMERATEST
1342                 if(autocvar_camera_enable)
1343 #else
1344                 if(autocvar_camera_enable && isdemo())
1345 #endif
1346                 {
1347                         // Enable required Darkplaces cvars
1348                         chase_active_backup = autocvar_chase_active;
1349                         cvar_set("chase_active", "2");
1350                         cvar_set("cl_demo_mousegrab", "1");
1351                         camera_active = true;
1352                         camera_mode = false;
1353                 }
1354         }
1355 }
1356
1357 #ifdef BLURTEST
1358 void View_BlurTest()
1359 {
1360         if(time > blurtest_time0 && time < blurtest_time1)
1361         {
1362                 float t = (time - blurtest_time0) / (blurtest_time1 - blurtest_time0);
1363                 float r = t * blurtest_radius;
1364                 float f = 1 / (t ** blurtest_power) - 1;
1365
1366                 cvar_set("r_glsl_postprocess", "1");
1367                 cvar_set("r_glsl_postprocess_uservec1", strcat(ftos(r), " ", ftos(f), " 0 0"));
1368         }
1369         else
1370         {
1371                 cvar_set("r_glsl_postprocess", "0");
1372                 cvar_set("r_glsl_postprocess_uservec1", "0 0 0 0");
1373         }
1374 }
1375 #endif
1376
1377 void View_CheckButtonStatus()
1378 {
1379         float is_dead = (STAT(HEALTH) <= 0);
1380
1381         // FIXME do we need this hack?
1382         if(isdemo())
1383         {
1384                 // in demos, input_buttons do not work
1385                 button_zoom = (autocvar__togglezoom == "-");
1386         }
1387         else if(button_zoom
1388                 && autocvar_cl_unpress_zoom_on_death
1389                 && (spectatee_status >= 0)
1390                 && (is_dead || intermission))
1391         {
1392                 // no zoom while dead or in intermission please
1393                 localcmd("-zoom\n");
1394                 button_zoom = false;
1395         }
1396
1397         if(autocvar_fov <= 59.5)
1398         {
1399                 if(!zoomscript_caught)
1400                 {
1401                         localcmd("+button9\n");
1402                         zoomscript_caught = 1;
1403                 }
1404         }
1405         else
1406         {
1407                 if(zoomscript_caught)
1408                 {
1409                         localcmd("-button9\n");
1410                         zoomscript_caught = 0;
1411                 }
1412         }
1413
1414         if(active_minigame && HUD_MinigameMenu_IsOpened())
1415         {
1416                 if(!minigame_wasactive)
1417                 {
1418                         localcmd("+button12\n");
1419                         minigame_wasactive = true;
1420                 }
1421         }
1422         else if(minigame_wasactive)
1423         {
1424                 localcmd("-button12\n");
1425                 minigame_wasactive = false;
1426         }
1427
1428         for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
1429         {
1430                 entity wepent = viewmodels[slot];
1431
1432                 if(wepent.last_switchweapon != wepent.switchweapon)
1433                 {
1434                         weapontime = time;
1435                         wepent.last_switchweapon = wepent.switchweapon;
1436                         if(slot == 0 && button_zoom && autocvar_cl_unpress_zoom_on_weapon_switch)
1437                         {
1438                                 localcmd("-zoom\n");
1439                                 button_zoom = false;
1440                         }
1441                         if(slot == 0 && autocvar_cl_unpress_attack_on_weapon_switch)
1442                         {
1443                                 localcmd("-fire\n");
1444                                 localcmd("-fire2\n");
1445                                 button_attack2 = false;
1446                         }
1447                 }
1448                 if(wepent.last_activeweapon != wepent.activeweapon)
1449                 {
1450                         wepent.last_activeweapon = wepent.activeweapon;
1451
1452                         entity e = wepent.activeweapon;
1453                         if(e.netname != "")
1454                                 localcmd(strcat("\ncl_hook_activeweapon ", e.netname), "\n");
1455                         else if(slot == 0)
1456                                 localcmd("\ncl_hook_activeweapon none\n");
1457                 }
1458         }
1459 }
1460
1461 bool ov_enabled;
1462 float oldr_nearclip;
1463 float oldr_farclip_base;
1464 float oldr_farclip_world;
1465 float oldr_novis;
1466 float oldr_useportalculling;
1467 float oldr_useinfinitefarclip;
1468 vector ov_org = '0 0 0';
1469 vector ov_mid = '0 0 0';
1470 vector ov_worldmin = '0 0 0';
1471 vector ov_worldmax = '0 0 0';
1472
1473 void View_Ortho()
1474 {
1475         ov_org = '0 0 0';
1476         ov_mid = '0 0 0';
1477         ov_worldmin = '0 0 0';
1478         ov_worldmax = '0 0 0';
1479         if(autocvar_cl_orthoview)
1480         {
1481                 ov_worldmin = mi_picmin;
1482                 ov_worldmax = mi_picmax;
1483
1484                 float ov_width = (ov_worldmax.x - ov_worldmin.x);
1485                 float ov_height = (ov_worldmax.y - ov_worldmin.y);
1486                 float ov_distance = (max(vid_width, vid_height) * max(ov_width, ov_height));
1487
1488                 ov_mid = ((ov_worldmax + ov_worldmin) * 0.5);
1489                 ov_org = vec3(ov_mid.x, ov_mid.y, (ov_mid.z + ov_distance));
1490
1491                 float ov_nearest = vlen(ov_org - vec3(
1492                         bound(ov_worldmin.x, ov_org.x, ov_worldmax.x),
1493                         bound(ov_worldmin.y, ov_org.y, ov_worldmax.y),
1494                         bound(ov_worldmin.z, ov_org.z, ov_worldmax.z)
1495                 ));
1496
1497                 float ov_furthest = 0;
1498                 float dist = 0;
1499
1500                 if((dist = vdist((vec3(ov_worldmin.x, ov_worldmin.y, ov_worldmin.z) - ov_org), >, ov_furthest))) { ov_furthest = dist; }
1501                 if((dist = vdist((vec3(ov_worldmax.x, ov_worldmin.y, ov_worldmin.z) - ov_org), >, ov_furthest))) { ov_furthest = dist; }
1502                 if((dist = vdist((vec3(ov_worldmin.x, ov_worldmax.y, ov_worldmin.z) - ov_org), >, ov_furthest))) { ov_furthest = dist; }
1503                 if((dist = vdist((vec3(ov_worldmin.x, ov_worldmin.y, ov_worldmax.z) - ov_org), >, ov_furthest))) { ov_furthest = dist; }
1504                 if((dist = vdist((vec3(ov_worldmax.x, ov_worldmax.y, ov_worldmin.z) - ov_org), >, ov_furthest))) { ov_furthest = dist; }
1505                 if((dist = vdist((vec3(ov_worldmin.x, ov_worldmax.y, ov_worldmax.z) - ov_org), >, ov_furthest))) { ov_furthest = dist; }
1506                 if((dist = vdist((vec3(ov_worldmax.x, ov_worldmin.y, ov_worldmax.z) - ov_org), >, ov_furthest))) { ov_furthest = dist; }
1507                 if((dist = vdist((vec3(ov_worldmax.x, ov_worldmax.y, ov_worldmax.z) - ov_org), >, ov_furthest))) { ov_furthest = dist; }
1508
1509                 if(!ov_enabled)
1510                 {
1511                         oldr_nearclip = cvar("r_nearclip");
1512                         oldr_farclip_base = cvar("r_farclip_base");
1513                         oldr_farclip_world = cvar("r_farclip_world");
1514                         oldr_novis = cvar("r_novis");
1515                         oldr_useportalculling = cvar("r_useportalculling");
1516                         oldr_useinfinitefarclip = cvar("r_useinfinitefarclip");
1517                 }
1518
1519                 cvar_settemp("r_nearclip", ftos(ov_nearest));
1520                 cvar_settemp("r_farclip_base", ftos(ov_furthest));
1521                 cvar_settemp("r_farclip_world", "0");
1522                 cvar_settemp("r_novis", "1");
1523                 cvar_settemp("r_useportalculling", "0");
1524                 cvar_settemp("r_useinfinitefarclip", "0");
1525
1526                 setproperty(VF_ORIGIN, ov_org);
1527                 setproperty(VF_ANGLES, '90 0 0');
1528
1529                 ov_enabled = true;
1530
1531                 #if 0
1532                 LOG_INFOF("OrthoView: org = %s, angles = %s, distance = %f, nearest = %f, furthest = %f",
1533                         vtos(ov_org),
1534                         vtos(getpropertyvec(VF_ANGLES)),
1535                         ov_distance,
1536                         ov_nearest,
1537                         ov_furthest);
1538                 #endif
1539         }
1540         else
1541         {
1542                 if(ov_enabled)
1543                 {
1544                         cvar_set("r_nearclip", ftos(oldr_nearclip));
1545                         cvar_set("r_farclip_base", ftos(oldr_farclip_base));
1546                         cvar_set("r_farclip_world", ftos(oldr_farclip_world));
1547                         cvar_set("r_novis", ftos(oldr_novis));
1548                         cvar_set("r_useportalculling", ftos(oldr_useportalculling));
1549                         cvar_set("r_useinfinitefarclip", ftos(oldr_useinfinitefarclip));
1550                 }
1551                 ov_enabled = false;
1552         }
1553 }
1554
1555 void View_UpdateFov()
1556 {
1557         vector fov;
1558         if(autocvar_cl_orthoview)
1559                 fov = GetOrthoviewFOV(ov_worldmin, ov_worldmax, ov_mid, ov_org);
1560         else if(csqcplayer.viewloc)
1561                 fov = GetViewLocationFOV(110); // enforce 110 fov, so things don't look odd
1562         else
1563                 fov = GetCurrentFov(autocvar_fov);
1564
1565         setproperty(VF_FOV, fov);
1566 }
1567
1568 void CSQC_UpdateView(entity this, float w, float h)
1569 {
1570         TC(int, w); TC(int, h);
1571
1572         execute_next_frame();
1573
1574         ++framecount;
1575
1576         stats_get();
1577         hud = STAT(HUD);
1578
1579         ReplicateVars(false);
1580         if (ReplicateVars_NOT_SENDING())
1581                 ReplicateVars_DELAY(0.8 + random() * 0.4); // no need to check cvars every frame
1582
1583         HUD_Scale_Disable();
1584
1585         if(autocvar__hud_showbinds_reload) // menu can set this one
1586         {
1587                 db_close(binddb);
1588                 binddb = db_create();
1589                 cvar_set("_hud_showbinds_reload", "0");
1590         }
1591
1592         if(checkextension("DP_CSQC_MINFPS_QUALITY"))
1593                 view_quality = getproperty(VF_MINFPS_QUALITY);
1594         else
1595                 view_quality = 1;
1596
1597         button_attack2 = PHYS_INPUT_BUTTON_ATCK2(this);
1598         button_zoom = PHYS_INPUT_BUTTON_ZOOM(this);
1599
1600         vector vf_size = getpropertyvec(VF_SIZE);
1601         vector vf_min = getpropertyvec(VF_MIN);
1602         vid_width = vf_size.x;
1603         vid_height = vf_size.y;
1604
1605         ticrate = STAT(MOVEVARS_TICRATE) * STAT(MOVEVARS_TIMESCALE);
1606
1607         WaypointSprite_Load();
1608
1609         CSQCPlayer_SetCamera();
1610
1611         if(player_localentnum <= maxclients) // is it a client?
1612                 current_player = player_localentnum - 1;
1613         else // then player_localentnum is the vehicle I'm driving
1614                 current_player = player_localnum;
1615         myteam = entcs_GetTeam(current_player);
1616
1617         // abused multiple places below
1618         entity local_player = ((csqcplayer) ? csqcplayer : CSQCModel_server2csqc(player_localentnum - 1));
1619         if(!local_player)
1620                 local_player = this; // fall back!
1621
1622         View_EventChase(local_player);
1623
1624         // do lockview after event chase camera so that it still applies whenever necessary.
1625         View_Lock();
1626
1627         WarpZone_FixView();
1628         //WarpZone_FixPMove();
1629
1630         View_Ortho();
1631
1632         // run viewmodel_draw before updating view_angles to the angles calculated by WarpZone_FixView
1633         // viewmodel_draw needs to use the view_angles set by the engine on every CSQC_UpdateView call
1634         for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
1635                 viewmodel_draw(viewmodels[slot]);
1636
1637         // Render the Scene
1638         view_origin = getpropertyvec(VF_ORIGIN);
1639         view_angles = getpropertyvec(VF_ANGLES);
1640         MAKE_VECTORS(view_angles, view_forward, view_right, view_up);
1641
1642 #ifdef BLURTEST
1643         View_BlurTest();
1644 #endif
1645
1646         TargetMusic_Advance();
1647         Fog_Force();
1648         fpscounter_update();
1649
1650         if(drawtime == 0)
1651                 drawframetime = 0.01666667; // when we don't know fps yet, we assume 60fps
1652         else
1653                 drawframetime = bound(0.000001, time - drawtime, 1);
1654         drawtime = time;
1655
1656         // watch for gametype changes here...
1657         // in ParseStuffCMD the cmd isn't executed yet :/
1658         // might even be better to add the gametype to TE_CSQC_INIT...?
1659         if(!postinit)
1660                 PostInit();
1661
1662         if(intermission && !intermission_time)
1663                 intermission_time = time;
1664
1665         if(intermission && !isdemo() && !(calledhooks & HOOK_END))
1666         {
1667                 if(calledhooks & HOOK_START)
1668                 {
1669                         localcmd("\ncl_hook_gameend\n");
1670                         calledhooks |= HOOK_END;
1671                 }
1672         }
1673
1674         Announcer();
1675
1676         View_CheckButtonStatus();
1677
1678         ColorTranslateMode = autocvar_cl_stripcolorcodes;
1679
1680         // ALWAYS Clear Current Scene First
1681         clearscene();
1682
1683         setproperty(VF_ORIGIN, view_origin);
1684         setproperty(VF_ANGLES, view_angles);
1685
1686         // FIXME engine bug? VF_SIZE and VF_MIN are not restored to sensible values by this
1687         setproperty(VF_SIZE, vf_size);
1688         setproperty(VF_MIN, vf_min);
1689
1690         // Assign Standard Viewflags
1691         // Draw the World (and sky)
1692         setproperty(VF_DRAWWORLD, 1);
1693
1694         // Set the console size vars
1695         vid_conwidth = autocvar_vid_conwidth;
1696         vid_conheight = autocvar_vid_conheight;
1697         vid_pixelheight = autocvar_vid_pixelheight;
1698
1699         View_UpdateFov();
1700
1701         View_DemoCamera();
1702
1703         // Draw the Crosshair
1704         setproperty(VF_DRAWCROSSHAIR, 0); //Make sure engine crosshairs are always hidden
1705
1706         // Draw the Engine Status Bar (the default Quake HUD)
1707         setproperty(VF_DRAWENGINESBAR, 0);
1708
1709         // Update the mouse position
1710         /*
1711            mousepos_x = vid_conwidth;
1712            mousepos_y = vid_conheight;
1713            mousepos = mousepos*0.5 + getmousepos();
1714          */
1715
1716         IL_EACH(g_drawables, it.draw, it.draw(it));
1717
1718         addentities(MASK_NORMAL | MASK_ENGINE | MASK_ENGINEVIEWMODELS); // TODO: .health is used in cl_deathfade (a feature we have turned off currently)
1719         renderscene();
1720
1721         // Now the the scene has been rendered, begin with the 2D drawing functions
1722
1723         View_NightVision();
1724         DrawReticle(local_player);
1725         HUD_Contents();
1726         HUD_Damage();
1727         View_PostProcessing();
1728
1729         // draw 2D entities
1730         IL_EACH(g_drawables_2d, it.draw2d, it.draw2d(it));
1731         Draw_ShowNames_All();
1732 #if ENABLE_DEBUGDRAW
1733         Debug_Draw();
1734 #endif
1735
1736         scoreboard_active = Scoreboard_WouldDraw();
1737
1738         HUD_Draw(this); // this parameter for deep vehicle function
1739
1740         if(NextFrameCommand)
1741         {
1742                 localcmd("\n", NextFrameCommand, "\n");
1743                 NextFrameCommand = string_null;
1744         }
1745
1746         // we must do this check AFTER a frame was rendered, or it won't work
1747         if(cs_project_is_b0rked == 0)
1748         {
1749                 string w0, h0;
1750                 w0 = ftos(autocvar_vid_conwidth);
1751                 h0 = ftos(autocvar_vid_conheight);
1752                 //setproperty(VF_VIEWPORT, '0 0 0', '640 480 0');
1753                 //setproperty(VF_FOV, '90 90 0');
1754                 setproperty(VF_ORIGIN, '0 0 0');
1755                 setproperty(VF_ANGLES, '0 0 0');
1756                 setproperty(VF_PERSPECTIVE, 1);
1757                 vector forward, right, up;
1758                 MAKE_VECTORS('0 0 0', forward, right, up);
1759                 vector v1, v2;
1760                 cvar_set("vid_conwidth", "800");
1761                 cvar_set("vid_conheight", "600");
1762                 v1 = cs_project(forward);
1763                 cvar_set("vid_conwidth", "640");
1764                 cvar_set("vid_conheight", "480");
1765                 v2 = cs_project(forward);
1766                 if(v1 == v2)
1767                         cs_project_is_b0rked = 1;
1768                 else
1769                         cs_project_is_b0rked = -1;
1770                 cvar_set("vid_conwidth", w0);
1771                 cvar_set("vid_conheight", h0);
1772         }
1773
1774         HUD_Mouse(local_player);
1775
1776         cl_notice_run();
1777         unpause_update();
1778         Net_Flush();
1779
1780         // let's reset the view back to normal for the end
1781         setproperty(VF_MIN, '0 0 0');
1782         setproperty(VF_SIZE, '1 0 0' * w + '0 1 0' * h);
1783
1784         IL_ENDFRAME();
1785 }
1786
1787
1788 // following vectors must be global to allow seamless switching between camera modes
1789 vector camera_offset, current_camera_offset, mouse_angles, current_angles, current_origin, current_position;
1790 void CSQC_Demo_Camera()
1791 {
1792         float speed, attenuation, dimensions;
1793         vector tmp, delta;
1794
1795         if( autocvar_camera_reset || !camera_mode )
1796         {
1797                 camera_offset = '0 0 0';
1798                 current_angles = '0 0 0';
1799                 camera_direction = '0 0 0';
1800                 camera_offset.z += 30;
1801                 camera_offset.x += 30 * -cos(current_angles.y * DEG2RAD);
1802                 camera_offset.y += 30 * -sin(current_angles.y * DEG2RAD);
1803                 current_origin = view_origin;
1804                 current_camera_offset  = camera_offset;
1805                 cvar_set("camera_reset", "0");
1806                 camera_mode = CAMERA_CHASE;
1807         }
1808
1809         // Camera angles
1810         if( camera_roll )
1811                 mouse_angles.z += camera_roll * autocvar_camera_speed_roll;
1812
1813         if(autocvar_camera_look_player)
1814         {
1815                 vector dir;
1816                 float n;
1817
1818                 dir = normalize(view_origin - current_position);
1819                 n = mouse_angles.z;
1820                 mouse_angles = vectoangles(dir);
1821                 mouse_angles.x = mouse_angles.x * -1;
1822                 mouse_angles.z = n;
1823         }
1824         else
1825         {
1826                 tmp = getmousepos() * 0.1;
1827                 if(vdist(tmp, >, autocvar_camera_mouse_threshold))
1828                 {
1829                         mouse_angles.x += tmp.y * cos(mouse_angles.z * DEG2RAD) + (tmp.x * sin(mouse_angles.z * DEG2RAD));
1830                         mouse_angles.y -= tmp.x * cos(mouse_angles.z * DEG2RAD) + (tmp.y * -sin(mouse_angles.z * DEG2RAD));
1831                 }
1832         }
1833
1834         while (mouse_angles.x < -180) mouse_angles.x = mouse_angles.x + 360;
1835         while (mouse_angles.x > 180) mouse_angles.x = mouse_angles.x - 360;
1836         while (mouse_angles.y < -180) mouse_angles.y = mouse_angles.y + 360;
1837         while (mouse_angles.y > 180) mouse_angles.y = mouse_angles.y - 360;
1838
1839         // Fix difference when angles don't have the same sign
1840         delta = '0 0 0';
1841         if(mouse_angles.y < -60 && current_angles.y > 60)
1842                 delta = '0 360 0';
1843         if(mouse_angles.y > 60 && current_angles.y < -60)
1844                 delta = '0 -360 0';
1845
1846         if(autocvar_camera_look_player)
1847                 attenuation = autocvar_camera_look_attenuation;
1848         else
1849                 attenuation = autocvar_camera_speed_attenuation;
1850
1851         attenuation = 1 / max(1, attenuation);
1852         current_angles += (mouse_angles - current_angles + delta) * attenuation;
1853
1854         while (current_angles.x < -180) current_angles.x = current_angles.x + 360;
1855         while (current_angles.x > 180) current_angles.x = current_angles.x - 360;
1856         while (current_angles.y < -180) current_angles.y = current_angles.y + 360;
1857         while (current_angles.y > 180) current_angles.y = current_angles.y - 360;
1858
1859         // Camera position
1860         tmp = '0 0 0';
1861         dimensions = 0;
1862
1863         if( camera_direction.x )
1864         {
1865                 tmp.x = camera_direction.x * cos(current_angles.y * DEG2RAD);
1866                 tmp.y = camera_direction.x * sin(current_angles.y * DEG2RAD);
1867                 if( autocvar_camera_forward_follows && !autocvar_camera_look_player )
1868                         tmp.z = camera_direction.x * -sin(current_angles.x * DEG2RAD);
1869                 ++dimensions;
1870         }
1871
1872         if( camera_direction.y )
1873         {
1874                 tmp.x += camera_direction.y * -sin(current_angles.y * DEG2RAD);
1875                 tmp.y += camera_direction.y * cos(current_angles.y * DEG2RAD) * cos(current_angles.z * DEG2RAD);
1876                 tmp.z += camera_direction.y * sin(current_angles.z * DEG2RAD);
1877                 ++dimensions;
1878         }
1879
1880         if( camera_direction.z )
1881         {
1882                 tmp.z += camera_direction.z * cos(current_angles.z * DEG2RAD);
1883                 ++dimensions;
1884         }
1885
1886         if(autocvar_camera_free)
1887                 speed = autocvar_camera_speed_free;
1888         else
1889                 speed = autocvar_camera_speed_chase;
1890
1891         if(dimensions)
1892         {
1893                 speed = speed * sqrt(1 / dimensions);
1894                 camera_offset += tmp * speed;
1895         }
1896
1897         current_camera_offset += (camera_offset - current_camera_offset) * attenuation;
1898
1899         // Camera modes
1900         if( autocvar_camera_free )
1901         {
1902                 if ( camera_mode == CAMERA_CHASE )
1903                 {
1904                         current_camera_offset = current_origin + current_camera_offset;
1905                         camera_offset = current_origin + camera_offset;
1906                 }
1907
1908                 camera_mode = CAMERA_FREE;
1909                 current_position = current_camera_offset;
1910         }
1911         else
1912         {
1913                 if ( camera_mode == CAMERA_FREE )
1914                 {
1915                         current_origin = view_origin;
1916                         camera_offset = camera_offset - current_origin;
1917                         current_camera_offset = current_camera_offset - current_origin;
1918                 }
1919
1920                 camera_mode = CAMERA_CHASE;
1921
1922                 if(autocvar_camera_chase_smoothly)
1923                         current_origin += (view_origin - current_origin) * attenuation;
1924                 else
1925                         current_origin = view_origin;
1926
1927                 current_position = current_origin + current_camera_offset;
1928         }
1929
1930         setproperty(VF_ANGLES, current_angles);
1931         setproperty(VF_ORIGIN, current_position);
1932 }