3 #include "strafehud.qh"
5 #include <client/autocvars.qh>
6 #include <client/miscfunctions.qh>
7 #include <common/animdecide.qh>
8 #include <common/ent_cs.qh>
9 #include <common/mapinfo.qh>
10 #include <common/physics/movetypes/movetypes.qh>
11 #include <common/physics/player.qh>
12 #include <lib/csqcmodel/cl_player.qh>
16 void HUD_StrafeHUD_Export(int fh)
18 // allow saving cvars that aesthetically change the panel into hud skin files
22 bool state_fwd = true;
23 bool state_fwd_prev = true;
24 float demo_angle = -37;
25 float demo_direction = 1;
27 float state_onground_time = 0;
28 float state_strafekeys_time = 0;
29 float state_direction_time = 0;
30 bool state_onground = false;
31 bool state_strafekeys = false;
35 // provide basic panel cvars to old clients
36 // TODO remove them after a future release (0.8.2+)
37 noref string autocvar_hud_panel_strafehud_pos = "0.320000 0.570000";
38 noref string autocvar_hud_panel_strafehud_size = "0.360000 0.020000";
39 noref string autocvar_hud_panel_strafehud_bg = "0";
40 noref string autocvar_hud_panel_strafehud_bg_color = "";
41 noref string autocvar_hud_panel_strafehud_bg_color_team = "";
42 noref string autocvar_hud_panel_strafehud_bg_alpha = "0.7";
43 noref string autocvar_hud_panel_strafehud_bg_border = "";
44 noref string autocvar_hud_panel_strafehud_bg_padding = "";
51 if(!autocvar__hud_configure)
53 if(!autocvar_hud_panel_strafehud) return;
54 if(spectatee_status == -1 && (autocvar_hud_panel_strafehud == 1 || autocvar_hud_panel_strafehud == 3)) return;
55 if(autocvar_hud_panel_strafehud == 3 && !(ISGAMETYPE(RACE) || ISGAMETYPE(CTS))) return;
58 HUD_Panel_LoadCvars();
60 if(autocvar_hud_panel_strafehud_dynamichud)
67 panel_pos += '1 1 0' * panel_bg_padding;
68 panel_size -= '2 2 0' * panel_bg_padding;
71 if(spectatee_status > 0 || isdemo())
74 strafeplayer = CSQCModel_server2csqc(player_localentnum - 1);
79 strafeplayer = csqcplayer;
83 if(csqcplayer && strafeplayer)
86 bool onground = islocal ? IS_ONGROUND(strafeplayer) : !(strafeplayer.anim_implicit_state & ANIMIMPLICITSTATE_INAIR);
88 bool is_swimming = strafeplayer.waterlevel >= WATERLEVEL_SWIMMING;
89 float speed = !autocvar__hud_configure ? vlen(vec2(csqcplayer.velocity)) : 1337; // use local csqcmodel entity for this even when spectating, flickers too much otherwise
90 float maxspeed_crouch_mod = IS_DUCKED(strafeplayer) && (!is_swimming || IS_ONGROUND(strafeplayer)) ? .5 : 1;
91 float maxspeed_water_mod = is_swimming ? .7 : 1; // very simplified water physics, the hud will not work well (and is not supposed to) while swimming
92 float maxspeed_phys = onground ? PHYS_MAXSPEED(strafeplayer) : PHYS_MAXAIRSPEED(strafeplayer);
93 float maxspeed = !autocvar__hud_configure ? maxspeed_phys * maxspeed_crouch_mod * maxspeed_water_mod : 320;
94 float vel_angle = vectoangles(strafeplayer.velocity).y;
95 float view_angle = view_angles.y + 180;
98 vector movement = PHYS_INPUT_MOVEVALUES(strafeplayer);
99 int keys = STAT(PRESSED_KEYS);
105 int mode = autocvar_hud_panel_strafehud_mode >= 0 && autocvar_hud_panel_strafehud_mode <= 1 ? autocvar_hud_panel_strafehud_mode : 0;
109 vector currentangle_color = autocvar_hud_panel_strafehud_warning_color;
110 float currentangle_offset;
111 vector currentangle_size = '0 0 0';
113 bool bestangle_anywhere = false;
114 float bestangle_offset;
115 float bestangle_width;
116 float switch_bestangle_offset;
117 float accelzone_offset;
118 float accelzone_width;
119 float odd_accelzone_offset;
120 float odd_accelzone_width;
121 float overturn_offset;
122 float overturn_width;
123 float overturn_width_visible;
126 vector direction_size_vertical = '0 0 0';
127 vector direction_size_horizontal = '0 0 0';
129 float range_minangle;
131 // determine whether the player is pressing forwards or backwards keys
132 if(islocal) // if entity is local player
138 else if(movement_x < 0)
147 else // alternatively determine direction by querying pressed keys
149 if((keys & KEY_FORWARD) && !(keys & KEY_BACKWARD))
153 else if(!(keys & KEY_FORWARD) && (keys & KEY_BACKWARD))
163 // determine player wishdir
164 if(islocal) // if entity is local player
172 else if(movement_y > 0)
189 wishangle = RAD2DEG * atan2(movement_y, movement_x);
190 // wrap the wish angle if it exceeds ±90°
191 if(fabs(wishangle) > 90)
193 if(wishangle < 0) wishangle += 180;
194 else wishangle -= 180;
195 wishangle = -wishangle;
200 else // alternatively calculate wishdir by querying pressed keys
202 if(keys & KEY_FORWARD || keys & KEY_BACKWARD)
214 else if(!(keys & KEY_RIGHT))
216 wishangle = 0; // wraps at 180°
220 strafekeys = fabs(wishangle) == 90;
222 // determine minimum required angle to display full strafe range
223 range_minangle = fabs(wishangle) % 90; // maximum range is 90 degree
224 if(range_minangle > 45) // minimum angle range is 45
226 range_minangle = 45 - fabs(wishangle) % 45;
228 range_minangle = 90 - range_minangle; // calculate value which is never >90 or <45
229 range_minangle *= 2; // multiply to accommodate for both sides of the hud
231 if(autocvar_hud_panel_strafehud_angle == 0)
233 if(autocvar__hud_configure)
239 hudangle = range_minangle; // use minimum angle required if dynamically setting hud angle
244 hudangle = bound(0, fabs(autocvar_hud_panel_strafehud_angle), 360); // limit HUD range to 360 degrees, higher values don't make sense
247 // detect air strafe turning
248 if(onground != state_onground)
250 state_onground_time = time;
252 state_onground = onground;
253 if(strafekeys != state_strafekeys)
255 state_strafekeys_time = time;
257 state_strafekeys = strafekeys;
258 if((keys & KEY_FORWARD) || (keys & KEY_BACKWARD) || is_swimming || autocvar__hud_configure)
264 if((time - state_onground_time) >= autocvar_hud_panel_strafehud_timeout_ground) // timeout for strafe jumping in general
269 else // air strafe only
273 if(((time - state_onground_time) >= autocvar_hud_panel_strafehud_timeout_air) || (keys & KEY_JUMP)) // timeout for slick ramps
275 turn = true; // CPMA turning
276 turnangle = wishangle;
279 else if((time - state_strafekeys_time) >= autocvar_hud_panel_strafehud_timeout_strafe) // timeout for jumping with strafe keys only
286 maxspeed = PHYS_MAXAIRSTRAFESPEED(strafeplayer); // no crouching here because it doesn't affect air strafing
287 wishangle = turnangle;
290 autocvar_hud_panel_strafehud_minspeed = autocvar_hud_panel_strafehud_minspeed < 0 ? maxspeed + .1 : autocvar_hud_panel_strafehud_minspeed;
292 // get current strafing angle ranging from -180° to +180°
293 if(!autocvar__hud_configure)
297 // calculate view angle relative to the players current velocity direction
298 angle = vel_angle - view_angle;
300 // if the angle goes above 180° or below -180° wrap it to the opposite side
301 if (angle > 180) angle -= 360;
302 else if(angle < -180) angle += 360;
304 // shift the strafe angle by 180° for hud calculations
305 if(angle < 0) angle += 180;
308 // determine whether the player is strafing forwards or backwards
309 // if the player isn't strafe turning use forwards/backwards keys to determine direction
316 else if(keys_fwd < 0)
322 state_fwd = fabs(angle) <= 90;
325 // otherwise determine by examining the strafe angle
328 if(wishangle < 0) // detect direction since the direction is not yet set
330 state_fwd = angle <= -wishangle;
334 state_fwd = angle >= -wishangle;
338 if(state_fwd_prev != state_fwd)
340 state_direction_time = time;
342 state_fwd_prev = state_fwd;
344 if((time - state_direction_time) >= autocvar_hud_panel_strafehud_timeout_direction) // timeout when changing between forwards and backwards strafe
349 // shift the strafe angle by 180° when strafing backwards
352 if(angle < 0) angle += 180;
356 // making the hud less flickery in case of rounding errors
357 if(angle > 179.9 || angle < -179.9)
359 currentangle_color = autocvar_hud_panel_strafehud_alert_color;
362 if(angle < .1 && angle > -.1)
372 else // simulate turning for HUD setup
374 if(autocvar__hud_panel_strafehud_center)
376 angle = demo_angle = 0;
382 if(autocvar__hud_panel_strafehud_demo && ((time - demo_time) >= .025))
385 demo_angle += demo_direction;
386 if(fabs(demo_angle) >= 55)
388 demo_direction = -demo_direction;
392 wishangle = 45 * (demo_angle > 0 ? 1 : -1);
396 // invert the wish angle when strafing backwards
399 wishangle = -wishangle;
402 // flip angles if v_flipped is enabled
403 if(autocvar_v_flipped)
406 wishangle = -wishangle;
409 moveangle = angle + wishangle;
413 direction = wishangle > 0 ? 1 : -1;
417 direction = moveangle > 0 ? 1 : moveangle < 0 ? -1 : 0;
420 // how much is hidden by the current hud angle
421 hidden_angle = 360 - hudangle;
422 hidden_size = hidden_angle / hudangle * panel_size.x;
423 // decelerating at this angle
424 maxangle = 90 - fabs(wishangle);
425 // best angle to strafe at
426 bestangle = (speed > maxspeed ? acos(maxspeed / speed) : 0) * RAD2DEG * (direction < 0 ? -1 : 1) - wishangle;
427 // various offsets and size calculations of hud indicator elements
429 currentangle_size.x = panel_size.x * .005;
430 if(currentangle_size.x < 1) currentangle_size.x = 1;
433 currentangle_offset = angle/hudangle * panel_size.x;
437 currentangle_offset = bound(-hudangle/2, angle, hudangle/2)/hudangle * panel_size.x + panel_size.x/2;
439 currentangle_size.y = panel_size.y * 1.5;
440 // best strafe acceleration angle
441 bestangle_offset = bestangle/hudangle * panel_size.x + panel_size.x/2;
442 switch_bestangle_offset = -bestangle/hudangle * panel_size.x + panel_size.x/2;
443 if(autocvar_hud_panel_strafehud_indicators)
445 bestangle_width = panel_size.x * .01;
446 if(bestangle_width < 1) bestangle_width = 1;
452 // remove indicator width from offset
455 bestangle_offset -= bestangle_width;
459 switch_bestangle_offset -= bestangle_width;
461 // direction indicator
462 direction_size_vertical.x = panel_size.x * .0075;
463 if(direction_size_vertical.x < 1) direction_size_vertical.x = 1;
464 direction_size_vertical.y = panel_size.y;
465 direction_size_horizontal.x = direction_size_vertical.x * 3;
466 direction_size_horizontal.y = direction_size_vertical.x;
468 overturn_width = 180/hudangle * panel_size.x;
469 overturn_width_visible = (hudangle/2 - maxangle) / hudangle * panel_size.x;
471 // if the strafe bar fills the whole hud panel
472 if(!(speed >= autocvar_hud_panel_strafehud_minspeed) || !(direction != 0))
474 // add a background to the strafe-o-meter
475 if(panel_size.x > 0 && panel_size.y > 0)
477 if(!autocvar_hud_panel_strafehud_unstyled)
479 HUD_Panel_DrawProgressBar(panel_pos, panel_size, "progressbar", 1, 0, 0, autocvar_hud_panel_strafehud_bar_color, autocvar_hud_panel_strafehud_bar_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
483 drawfill(panel_pos, panel_size, autocvar_hud_panel_strafehud_bar_color, autocvar_hud_panel_strafehud_bar_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
488 // mark the ideal strafe angle
489 if(speed >= autocvar_hud_panel_strafehud_minspeed) // only draw indicators if strafing is required to gain speed (or when whatever configured speed is reached)
491 if(direction != 0) // only draw acceleration zones if strafe direction can be determined
493 if(direction < 0) // turning left
495 // calculate zone in which strafe acceleration happens
496 accelzone_width = bestangle_offset;
497 // calculate offset of overturn area
498 overturn_offset = overturn_width_visible - overturn_width;
499 // move/adjust acceleration zone
500 accelzone_offset = overturn_width_visible;
501 accelzone_width -= overturn_width_visible;
502 // calculate zone in which strafe acceleration could also happen without changing wishdir
503 odd_accelzone_width = accelzone_width + bestangle_width;
504 odd_accelzone_offset = overturn_offset - odd_accelzone_width;
505 // calculate the background of the strafe-o-meter
506 bar_offset = bestangle_offset + bestangle_width;
507 bar_width = 360/hudangle * panel_size.x - bestangle_width - accelzone_width - odd_accelzone_width - overturn_width;
509 else // turning right
511 // calculate zone in which strafe acceleration happens
512 accelzone_offset = bestangle_offset + bestangle_width;
513 accelzone_width = panel_size.x - accelzone_offset;
514 // calculate offset of overturn area
515 overturn_offset = panel_size.x - overturn_width_visible;
516 // adjust acceleration zone
517 accelzone_width -= overturn_width_visible;
518 // calculate zone in which strafe acceleration could also happen without changing wishdir
519 odd_accelzone_width = accelzone_width + bestangle_width;
520 odd_accelzone_offset = overturn_offset + overturn_width;
521 // calculate the background of the strafe-o-meter
522 bar_offset = odd_accelzone_offset + odd_accelzone_width;
523 bar_width = 360/hudangle * panel_size.x - bestangle_width - accelzone_width - odd_accelzone_width - overturn_width;
528 bar_offset -= currentangle_offset;
529 accelzone_offset -= currentangle_offset;
530 odd_accelzone_offset -= currentangle_offset;
531 overturn_offset -= currentangle_offset;
532 bestangle_offset -= currentangle_offset;
533 switch_bestangle_offset -= currentangle_offset;
536 if(!autocvar_hud_panel_strafehud_unstyled)
538 // draw acceleration zone
539 HUD_Panel_DrawStrafeHUD_ProgressBar(accelzone_offset, accelzone_width, autocvar_hud_panel_strafehud_indicator_color, autocvar_hud_panel_strafehud_bar_alpha, hidden_size);
541 // draw odd acceleration zone
542 HUD_Panel_DrawStrafeHUD_ProgressBar(odd_accelzone_offset, odd_accelzone_width, autocvar_hud_panel_strafehud_indicator_color, autocvar_hud_panel_strafehud_bar_alpha, hidden_size);
544 // draw overturn area
545 HUD_Panel_DrawStrafeHUD_ProgressBar(overturn_offset, overturn_width, autocvar_hud_panel_strafehud_alert_color, autocvar_hud_panel_strafehud_bar_alpha, hidden_size);
547 // draw the strafe bar background
548 HUD_Panel_DrawStrafeHUD_ProgressBar(bar_offset, bar_width, autocvar_hud_panel_strafehud_bar_color, autocvar_hud_panel_strafehud_bar_alpha, hidden_size);
552 // draw acceleration zone
553 HUD_Panel_DrawStrafeHUD_drawfill(accelzone_offset, accelzone_width, autocvar_hud_panel_strafehud_indicator_color, autocvar_hud_panel_strafehud_bar_alpha, hidden_size);
555 // draw odd acceleration zone
556 HUD_Panel_DrawStrafeHUD_drawfill(odd_accelzone_offset, odd_accelzone_width, autocvar_hud_panel_strafehud_indicator_color, autocvar_hud_panel_strafehud_bar_alpha, hidden_size);
558 // draw overturn area
559 HUD_Panel_DrawStrafeHUD_drawfill(overturn_offset, overturn_width, autocvar_hud_panel_strafehud_alert_color, autocvar_hud_panel_strafehud_bar_alpha, hidden_size);
561 // draw the strafe bar background
562 HUD_Panel_DrawStrafeHUD_drawfill(bar_offset, bar_width, autocvar_hud_panel_strafehud_bar_color, autocvar_hud_panel_strafehud_bar_alpha, hidden_size);
565 // draw the direction indicator caps at the sides of the hud
567 drawfill(panel_pos + eX * (direction < 0 ? -direction_size_vertical.x : panel_size.x), direction_size_vertical, autocvar_hud_panel_strafehud_direction_color, panel_fg_alpha, DRAWFLAG_NORMAL);
568 // top horizontal line
569 drawfill(panel_pos + eX * (direction < 0 ? -direction_size_vertical.x : panel_size.x - direction_size_horizontal.x + direction_size_vertical.x) - eY * direction_size_horizontal.y, direction_size_horizontal, autocvar_hud_panel_strafehud_direction_color, panel_fg_alpha, DRAWFLAG_NORMAL);
570 // bottom horizontal line
571 drawfill(panel_pos + eX * (direction < 0 ? -direction_size_vertical.x : panel_size.x - direction_size_horizontal.x + direction_size_vertical.x) + eY * panel_size.y, direction_size_horizontal, autocvar_hud_panel_strafehud_direction_color, panel_fg_alpha, DRAWFLAG_NORMAL);
573 if(autocvar_hud_panel_strafehud_indicators)
575 // draw best angles for acceleration
576 HUD_Panel_DrawStrafeHUD_drawfill(switch_bestangle_offset, bestangle_width, autocvar_hud_panel_strafehud_indicator_switch_color, 1, hidden_size);
577 HUD_Panel_DrawStrafeHUD_drawfill(bestangle_offset, bestangle_width, autocvar_hud_panel_strafehud_indicator_color, 1, hidden_size);
582 if(autocvar_hud_panel_strafehud_indicators)
584 // draw best angles for acceleration
585 HUD_Panel_DrawStrafeHUD_drawfill(switch_bestangle_offset, bestangle_width, autocvar_hud_panel_strafehud_indicator_switch_color, 1, hidden_size);
586 HUD_Panel_DrawStrafeHUD_drawfill(bestangle_offset, bestangle_width, autocvar_hud_panel_strafehud_indicator_switch_color, 1, hidden_size);
592 bestangle_anywhere = true; // no indicators, moving forward should suffice to gain speed
595 // draw the actual strafe angle
596 if(!bestangle_anywhere) // player gains speed with strafing
598 if((direction > 0 && (angle >= bestangle || angle <= -(bestangle + wishangle*2))) ||
599 (direction < 0 && (angle <= bestangle || angle >= -(bestangle + wishangle*2))))
600 currentangle_color = autocvar_hud_panel_strafehud_good_color;
603 if(fabs(moveangle) > 90) // player is overturning
605 currentangle_color = autocvar_hud_panel_strafehud_alert_color;
608 if(speed <= (maxspeed + .1) && currentangle_color != autocvar_hud_panel_strafehud_alert_color) // player gains speed without strafing
610 currentangle_color = autocvar_hud_panel_strafehud_good_color;
615 drawfill(panel_pos - eY * ((currentangle_size.y - panel_size.y) / 2) + eX * (panel_size.x/2 - currentangle_size.x/2), currentangle_size, currentangle_color, autocvar_hud_panel_strafehud_angle_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
619 drawfill(panel_pos - eY * ((currentangle_size.y - panel_size.y) / 2) + eX * (currentangle_offset - currentangle_size.x/2), currentangle_size, currentangle_color, autocvar_hud_panel_strafehud_angle_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
624 // functions to make hud elements align perfectly in the hud area
625 void HUD_Panel_DrawStrafeHUD_ProgressBar(float offset, float width, vector color, float alpha, float hidden)
627 float mirror_offset, mirror_width;
628 vector size = panel_size;
629 vector mirror_size = panel_size;
633 mirror_width = min(fabs(offset), width);
634 mirror_offset = panel_size.x + hidden - fabs(offset);
640 mirror_width = min(offset + width - panel_size.x - hidden, width);
641 mirror_offset = max(offset - panel_size.x - hidden, 0);
643 if((offset + width) > panel_size.x)
645 width = panel_size.x - offset;
647 if(mirror_offset < 0)
649 mirror_width += mirror_offset;
652 if((mirror_offset + mirror_width) > panel_size.x)
654 mirror_width = panel_size.x - mirror_offset;
658 mirror_size.x = mirror_width;
659 if(mirror_size.x > 0 && mirror_size.y > 0) HUD_Panel_DrawProgressBar(panel_pos + eX * mirror_offset, mirror_size, "progressbar", 1, 0, 0, color, alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
660 if(size.x > 0 && size.y > 0) HUD_Panel_DrawProgressBar(panel_pos + eX * offset, size, "progressbar", 1, 0, 0, color, alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
663 void HUD_Panel_DrawStrafeHUD_drawfill(float offset, float width, vector color, float alpha, float hidden)
665 float mirror_offset, mirror_width;
666 vector size = panel_size;
667 vector mirror_size = panel_size;
671 mirror_width = min(fabs(offset), width);
672 mirror_offset = panel_size.x + hidden - fabs(offset);
678 mirror_width = min(offset + width - panel_size.x - hidden, width);
679 mirror_offset = max(offset - panel_size.x - hidden, 0);
681 if((offset + width) > panel_size.x)
683 width = panel_size.x - offset;
685 if(mirror_offset < 0)
687 mirror_width += mirror_offset;
690 if((mirror_offset + mirror_width) > panel_size.x)
692 mirror_width = panel_size.x - mirror_offset;
696 mirror_size.x = mirror_width;
697 if(mirror_width > 0) drawfill(panel_pos + eX * mirror_offset, mirror_size, color, alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
698 if(width > 0) drawfill(panel_pos + eX * offset, size, color, alpha * panel_fg_alpha, DRAWFLAG_NORMAL);