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 iswater = 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) && (!iswater || IS_ONGROUND(strafeplayer)) ? .5 : 1;
91 float maxspeed_water_mod = iswater ? .7 : 1; // FIXME: water physics are way more complex than this
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 switch_bestangle_width;
118 float accelzone_offset;
119 float accelzone_width;
120 float odd_accelzone_offset;
121 float odd_accelzone_width;
122 float overturn_offset;
123 float overturn_width;
124 float overturn_width_visible;
127 vector direction_size_vertical = '0 0 0';
128 vector direction_size_horizontal = '0 0 0';
130 float range_minangle;
132 // determine whether the player is pressing forwards or backwards keys
133 if(islocal) // if entity is local player
139 else if(movement_x < 0)
148 else // alternatively determine direction by querying pressed keys
150 if((keys & KEY_FORWARD) && !(keys & KEY_BACKWARD))
154 else if(!(keys & KEY_FORWARD) && (keys & KEY_BACKWARD))
164 // determine player wishdir
165 if(islocal) // if entity is local player
173 else if(movement_y > 0)
190 wishangle = RAD2DEG * atan2(movement_y, movement_x);
191 // wrap the wish angle if it exceeds ±90°
192 if(fabs(wishangle) > 90)
194 if(wishangle < 0) wishangle += 180;
195 else wishangle -= 180;
196 wishangle = -wishangle;
201 else // alternatively calculate wishdir by querying pressed keys
203 if(keys & KEY_FORWARD || keys & KEY_BACKWARD)
215 else if(!(keys & KEY_RIGHT))
217 wishangle = 0; // wraps at 180°
221 strafekeys = fabs(wishangle) == 90;
223 // determine minimum required angle to display full strafe range
224 range_minangle = fabs(wishangle) % 90; // maximum range is 90 degree
225 if(range_minangle > 45) // minimum angle range is 45
227 range_minangle = 45 - fabs(wishangle) % 45;
229 range_minangle = 90 - range_minangle; // calculate value which is never >90 or <45
230 range_minangle *= 2; // multiply to accommodate for both sides of the hud
232 if(autocvar_hud_panel_strafehud_angle == 0)
234 if(autocvar__hud_configure)
240 hudangle = range_minangle; // use minimum angle required if dynamically setting hud angle
245 hudangle = bound(0, fabs(autocvar_hud_panel_strafehud_angle), 360); // limit HUD range to 360 degrees, higher values don't make sense
248 // detect air strafe turning
249 if(onground != state_onground)
251 state_onground_time = time;
253 state_onground = onground;
254 if(strafekeys != state_strafekeys)
256 state_strafekeys_time = time;
258 state_strafekeys = strafekeys;
259 if((keys & KEY_FORWARD) || (keys & KEY_BACKWARD) || iswater || autocvar__hud_configure)
265 if((time - state_onground_time) >= autocvar_hud_panel_strafehud_timeout_ground) // timeout for strafe jumping in general
270 else // air strafe only
274 if(((time - state_onground_time) >= autocvar_hud_panel_strafehud_timeout_air) || (keys & KEY_JUMP)) // timeout for slick ramps
276 turn = true; // CPMA turning
277 turnangle = wishangle;
280 else if((time - state_strafekeys_time) >= autocvar_hud_panel_strafehud_timeout_strafe) // timeout for jumping with strafe keys only
287 maxspeed = PHYS_MAXAIRSTRAFESPEED(strafeplayer); // no crouching here because it doesn't affect air strafing
288 wishangle = turnangle;
291 autocvar_hud_panel_strafehud_indicator_minspeed = autocvar_hud_panel_strafehud_indicator_minspeed < 0 ? maxspeed + .1 : autocvar_hud_panel_strafehud_indicator_minspeed;
293 // get current strafing angle ranging from -180° to +180°
294 if(!autocvar__hud_configure)
298 // calculate view angle relative to the players current velocity direction
299 angle = vel_angle - view_angle;
301 // if the angle goes above 180° or below -180° wrap it to the opposite side
302 if (angle > 180) angle -= 360;
303 else if(angle < -180) angle += 360;
305 // shift the strafe angle by 180° for hud calculations
306 if(angle < 0) angle += 180;
309 // determine whether the player is strafing forwards or backwards
310 // if the player isn't strafe turning use forwards/backwards keys to determine direction
317 else if(keys_fwd < 0)
323 state_fwd = fabs(angle) <= 90;
326 // otherwise determine by examining the strafe angle
329 if(wishangle < 0) // detect direction since the direction is not yet set
331 state_fwd = angle <= -wishangle;
335 state_fwd = angle >= -wishangle;
339 if(state_fwd_prev != state_fwd)
341 state_direction_time = time;
343 state_fwd_prev = state_fwd;
345 if((time - state_direction_time) >= autocvar_hud_panel_strafehud_timeout_direction) // timeout when changing between forwards and backwards strafe
350 // shift the strafe angle by 180° when strafing backwards
353 if(angle < 0) angle += 180;
357 // making the hud less flickery in case of rounding errors
358 if(angle > 179.9 || angle < -179.9)
360 currentangle_color = autocvar_hud_panel_strafehud_alert_color;
363 if(angle < .1 && angle > -.1)
373 else // simulate turning for HUD setup
375 if(autocvar__hud_panel_strafehud_center)
377 angle = demo_angle = 0;
383 if(autocvar__hud_panel_strafehud_demo && ((time - demo_time) >= .025))
386 demo_angle += demo_direction;
387 if(fabs(demo_angle) >= 55)
389 demo_direction = -demo_direction;
393 wishangle = 45 * (demo_angle > 0 ? 1 : -1);
397 // invert the wish angle when strafing backwards
400 wishangle = -wishangle;
403 // flip angles if v_flipped is enabled
404 if(autocvar_v_flipped)
407 wishangle = -wishangle;
410 moveangle = angle + wishangle;
414 direction = wishangle > 0 ? 1 : -1;
418 direction = moveangle > 0 ? 1 : moveangle < 0 ? -1 : 0;
421 // how much is hidden by the current hud angle
422 hidden_angle = 360 - hudangle;
423 hidden_size = hidden_angle / hudangle * panel_size.x;
424 // decelerating at this angle
425 maxangle = 90 - fabs(wishangle);
426 // best angle to strafe at
427 bestangle = (speed > maxspeed ? acos(maxspeed / speed) : 0) * RAD2DEG * (direction < 0 ? -1 : 1) - wishangle;
428 // various offsets and size calculations of hud indicator elements
430 currentangle_size.x = panel_size.x * .005;
431 if(currentangle_size.x < 1) currentangle_size.x = 1;
434 currentangle_offset = angle/hudangle * panel_size.x;
438 currentangle_offset = bound(-hudangle/2, angle, hudangle/2)/hudangle * panel_size.x + panel_size.x/2;
440 currentangle_size.y = panel_size.y * 1.5;
441 // best strafe acceleration angle
442 bestangle_offset = bestangle/hudangle * panel_size.x + panel_size.x/2;
443 switch_bestangle_offset = -bestangle/hudangle * panel_size.x + panel_size.x/2;
444 bestangle_width = panel_size.x * .01;
445 if(bestangle_width < 1) bestangle_width = 1;
446 switch_bestangle_width = bestangle_width;
447 // remove indicator width from offset
450 bestangle_offset -= bestangle_width;
454 switch_bestangle_offset -= switch_bestangle_width;
456 // direction indicator
457 direction_size_vertical.x = panel_size.x * .0075;
458 if(direction_size_vertical.x < 1) direction_size_vertical.x = 1;
459 direction_size_vertical.y = panel_size.y;
460 direction_size_horizontal.x = direction_size_vertical.x * 3;
461 direction_size_horizontal.y = direction_size_vertical.x;
463 overturn_width = 180/hudangle * panel_size.x;
464 overturn_width_visible = (hudangle/2 - maxangle) / hudangle * panel_size.x;
466 // if the strafe bar fills the whole hud panel
467 if(!(speed >= autocvar_hud_panel_strafehud_indicator_minspeed) || !(direction != 0))
469 // add a background to the strafe-o-meter
470 if(panel_size.x > 0 && panel_size.y > 0)
472 if(!autocvar_hud_panel_strafehud_unstyled)
474 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);
478 drawfill(panel_pos, panel_size, autocvar_hud_panel_strafehud_bar_color, autocvar_hud_panel_strafehud_bar_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
483 // mark the ideal strafe angle
484 if(speed >= autocvar_hud_panel_strafehud_indicator_minspeed) // only draw indicators if strafing is required to gain speed (or when whatever configured speed is reached)
486 if(direction != 0) // only draw acceleration zones if strafe direction can be determined
488 if(direction < 0) // turning left
490 // calculate zone in which strafe acceleration happens
491 accelzone_width = bestangle_offset;
492 // calculate offset of overturn area
493 overturn_offset = overturn_width_visible - overturn_width;
494 // move/adjust acceleration zone
495 accelzone_offset = overturn_width_visible;
496 accelzone_width -= overturn_width_visible;
497 // calculate zone in which strafe acceleration could also happen without changing wishdir
498 odd_accelzone_width = accelzone_width + bestangle_width;
499 odd_accelzone_offset = overturn_offset - odd_accelzone_width;
500 // calculate the background of the strafe-o-meter
501 bar_offset = bestangle_offset + bestangle_width;
502 bar_width = 360/hudangle * panel_size.x - bestangle_width - accelzone_width - odd_accelzone_width - overturn_width;
504 else // turning right
506 // calculate zone in which strafe acceleration happens
507 accelzone_offset = bestangle_offset + bestangle_width;
508 accelzone_width = panel_size.x - accelzone_offset;
509 // calculate offset of overturn area
510 overturn_offset = panel_size.x - overturn_width_visible;
511 // adjust acceleration zone
512 accelzone_width -= overturn_width_visible;
513 // calculate zone in which strafe acceleration could also happen without changing wishdir
514 odd_accelzone_width = accelzone_width + bestangle_width;
515 odd_accelzone_offset = overturn_offset + overturn_width;
516 // calculate the background of the strafe-o-meter
517 bar_offset = odd_accelzone_offset + odd_accelzone_width;
518 bar_width = 360/hudangle * panel_size.x - bestangle_width - accelzone_width - odd_accelzone_width - overturn_width;
523 bar_offset -= currentangle_offset;
524 accelzone_offset -= currentangle_offset;
525 odd_accelzone_offset -= currentangle_offset;
526 overturn_offset -= currentangle_offset;
527 bestangle_offset -= currentangle_offset;
528 switch_bestangle_offset -= currentangle_offset;
531 if(!autocvar_hud_panel_strafehud_unstyled)
533 // draw acceleration zone
534 HUD_Panel_DrawStrafeHUD_ProgressBar(accelzone_offset, accelzone_width, autocvar_hud_panel_strafehud_indicator_color, autocvar_hud_panel_strafehud_bar_alpha, hidden_size);
536 // draw odd acceleration zone
537 HUD_Panel_DrawStrafeHUD_ProgressBar(odd_accelzone_offset, odd_accelzone_width, autocvar_hud_panel_strafehud_indicator_color, autocvar_hud_panel_strafehud_bar_alpha, hidden_size);
539 // draw overturn area
540 HUD_Panel_DrawStrafeHUD_ProgressBar(overturn_offset, overturn_width, autocvar_hud_panel_strafehud_alert_color, autocvar_hud_panel_strafehud_bar_alpha, hidden_size);
542 // draw the strafe bar background
543 HUD_Panel_DrawStrafeHUD_ProgressBar(bar_offset, bar_width, autocvar_hud_panel_strafehud_bar_color, autocvar_hud_panel_strafehud_bar_alpha, hidden_size);
547 // draw acceleration zone
548 HUD_Panel_DrawStrafeHUD_drawfill(accelzone_offset, accelzone_width, autocvar_hud_panel_strafehud_indicator_color, autocvar_hud_panel_strafehud_bar_alpha, hidden_size);
550 // draw odd acceleration zone
551 HUD_Panel_DrawStrafeHUD_drawfill(odd_accelzone_offset, odd_accelzone_width, autocvar_hud_panel_strafehud_indicator_color, autocvar_hud_panel_strafehud_bar_alpha, hidden_size);
553 // draw overturn area
554 HUD_Panel_DrawStrafeHUD_drawfill(overturn_offset, overturn_width, autocvar_hud_panel_strafehud_alert_color, autocvar_hud_panel_strafehud_bar_alpha, hidden_size);
556 // draw the strafe bar background
557 HUD_Panel_DrawStrafeHUD_drawfill(bar_offset, bar_width, autocvar_hud_panel_strafehud_bar_color, autocvar_hud_panel_strafehud_bar_alpha, hidden_size);
560 // draw the direction indicator caps at the sides of the hud
562 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);
563 // top horizontal line
564 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);
565 // bottom horizontal line
566 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);
568 // draw best angles for acceleration
569 HUD_Panel_DrawStrafeHUD_drawfill(switch_bestangle_offset, switch_bestangle_width, autocvar_hud_panel_strafehud_indicator_switch_color, 1, hidden_size);
570 HUD_Panel_DrawStrafeHUD_drawfill(bestangle_offset, bestangle_width, autocvar_hud_panel_strafehud_indicator_color, 1, hidden_size);
574 // draw best angles for acceleration
575 HUD_Panel_DrawStrafeHUD_drawfill(switch_bestangle_offset, switch_bestangle_width, autocvar_hud_panel_strafehud_indicator_switch_color, 1, hidden_size);
576 HUD_Panel_DrawStrafeHUD_drawfill(bestangle_offset, bestangle_width, autocvar_hud_panel_strafehud_indicator_switch_color, 1, hidden_size);
581 bestangle_anywhere = true; // no indicators, moving forward should suffice to gain speed
584 // draw the actual strafe angle
585 if(!bestangle_anywhere) // player gains speed with strafing
587 if((direction > 0 && (angle >= bestangle || angle <= -(bestangle + wishangle*2))) ||
588 (direction < 0 && (angle <= bestangle || angle >= -(bestangle + wishangle*2))))
589 currentangle_color = autocvar_hud_panel_strafehud_good_color;
592 if(fabs(moveangle) > 90) // player is overturning
594 currentangle_color = autocvar_hud_panel_strafehud_alert_color;
597 if(speed <= (maxspeed + .1) && currentangle_color != autocvar_hud_panel_strafehud_alert_color) // player gains speed without strafing
599 currentangle_color = autocvar_hud_panel_strafehud_good_color;
604 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);
608 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);
613 // functions to make hud elements align perfectly in the hud area
614 void HUD_Panel_DrawStrafeHUD_ProgressBar(float offset, float width, vector color, float alpha, float hidden)
616 float mirror_offset, mirror_width;
617 vector size = panel_size;
618 vector mirror_size = panel_size;
622 mirror_width = min(fabs(offset), width);
623 mirror_offset = panel_size.x + hidden - fabs(offset);
629 mirror_width = min(offset + width - panel_size.x - hidden, width);
630 mirror_offset = max(offset - panel_size.x - hidden, 0);
632 if((offset + width) > panel_size.x)
634 width = panel_size.x - offset;
636 if(mirror_offset < 0)
638 mirror_width += mirror_offset;
641 if((mirror_offset + mirror_width) > panel_size.x)
643 mirror_width = panel_size.x - mirror_offset;
647 mirror_size.x = mirror_width;
648 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);
649 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);
652 void HUD_Panel_DrawStrafeHUD_drawfill(float offset, float width, vector color, float alpha, float hidden)
654 float mirror_offset, mirror_width;
655 vector size = panel_size;
656 vector mirror_size = panel_size;
660 mirror_width = min(fabs(offset), width);
661 mirror_offset = panel_size.x + hidden - fabs(offset);
667 mirror_width = min(offset + width - panel_size.x - hidden, width);
668 mirror_offset = max(offset - panel_size.x - hidden, 0);
670 if((offset + width) > panel_size.x)
672 width = panel_size.x - offset;
674 if(mirror_offset < 0)
676 mirror_width += mirror_offset;
679 if((mirror_offset + mirror_width) > panel_size.x)
681 mirror_width = panel_size.x - mirror_offset;
685 mirror_size.x = mirror_width;
686 if(mirror_width > 0) drawfill(panel_pos + eX * mirror_offset, mirror_size, color, alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
687 if(width > 0) drawfill(panel_pos + eX * offset, size, color, alpha * panel_fg_alpha, DRAWFLAG_NORMAL);