3 #include "strafehud.qh"
5 #include <client/draw.qh>
6 #include <client/hud/panel/racetimer.qh>
7 #include <client/resources.qh>
8 #include <client/view.qh>
9 #include <common/animdecide.qh>
10 #include <common/ent_cs.qh>
11 #include <common/mapinfo.qh>
12 #include <common/physics/movetypes/movetypes.qh>
13 #include <common/physics/player.qh>
14 #include <lib/csqcmodel/cl_player.qh>
18 void HUD_StrafeHUD_Export(int fh)
20 // allow saving cvars that aesthetically change the panel into hud skin files
25 float demo_angle = -37;
26 float demo_direction = 1;
28 bool state_onground = false;
29 float state_onground_time = 0;
30 bool state_strafekeys = false;
31 float state_strafekeys_time = 0;
38 float startspeed = -1;
40 float jumpheight = -1;
41 float jumpheight_persistent = -1;
42 float jumpheight_prev = 0;
43 float jumpspeed_prev = 0;
44 bool jumprestart = true;
46 // provide basic panel cvars to old clients
47 // TODO remove them after a future release (0.8.2+)
48 noref string autocvar_hud_panel_strafehud_pos = "0.320000 0.570000";
49 noref string autocvar_hud_panel_strafehud_size = "0.360000 0.020000";
50 noref string autocvar_hud_panel_strafehud_bg = "0";
51 noref string autocvar_hud_panel_strafehud_bg_color = "";
52 noref string autocvar_hud_panel_strafehud_bg_color_team = "";
53 noref string autocvar_hud_panel_strafehud_bg_alpha = "0.7";
54 noref string autocvar_hud_panel_strafehud_bg_border = "";
55 noref string autocvar_hud_panel_strafehud_bg_padding = "";
62 // generic hud routines
63 if(!autocvar__hud_configure)
65 if(!autocvar_hud_panel_strafehud ||
66 (spectatee_status == -1 && (autocvar_hud_panel_strafehud == 1 || autocvar_hud_panel_strafehud == 3)) ||
67 (autocvar_hud_panel_strafehud == 3 && !MUTATOR_CALLHOOK(HUD_StrafeHUD_showoptional))) return;
70 HUD_Panel_LoadCvars();
72 if(autocvar_hud_panel_strafehud_dynamichud)
85 panel_pos += '1 1 0' * panel_bg_padding;
86 panel_size -= '2 2 0' * panel_bg_padding;
89 // find out whether the local csqcmodel entity is valid
90 if(spectatee_status > 0 || isdemo())
93 strafeplayer = CSQCModel_server2csqc(player_localentnum - 1);
98 strafeplayer = csqcplayer;
102 if(csqcplayer && strafeplayer)
105 bool onground = islocal ? IS_ONGROUND(strafeplayer) : !(strafeplayer.anim_implicit_state & ANIMIMPLICITSTATE_INAIR);
107 bool swimming = strafeplayer.waterlevel >= WATERLEVEL_SWIMMING;
108 bool spectating = entcs_GetSpecState(strafeplayer.sv_entnum) == ENTCS_SPEC_PURE;
109 float speed = !autocvar__hud_configure ? vlen(vec2(csqcplayer.velocity)) : 1337; // use local csqcmodel entity for this even when spectating, flickers too much otherwise
110 float crouch_mod = IS_DUCKED(csqcplayer) && !swimming ? .5 : 1;
111 float water_mod = swimming ? .7 : 1; // very simplified water physics, the hud will not work well (and is not supposed to) while swimming
112 float maxspeed_phys = onground ? PHYS_MAXSPEED(strafeplayer) : PHYS_MAXAIRSPEED(strafeplayer);
113 float maxspeed = !autocvar__hud_configure ? maxspeed_phys * crouch_mod * water_mod : 320;
115 float maxaccel_phys = onground ? PHYS_ACCELERATE(strafeplayer) : PHYS_AIRACCELERATE(strafeplayer);
116 float maxaccel = !autocvar__hud_configure ? maxaccel_phys * crouch_mod * water_mod : 1;
117 float vel_angle = vectoangles(strafeplayer.velocity).y - (vectoangles(strafeplayer.velocity).y > 180 ? 360 : 0); // change the range from 0° - 360° to -180° - 180° to match how view_angle represents angles
118 float view_angle = PHYS_INPUT_ANGLES(strafeplayer).y;
120 vector movement = PHYS_INPUT_MOVEVALUES(strafeplayer);
121 int keys = STAT(PRESSED_KEYS);
126 int mode = autocvar_hud_panel_strafehud_mode >= 0 && autocvar_hud_panel_strafehud_mode <= 1 ? autocvar_hud_panel_strafehud_mode : 0;
127 float speed_conversion_factor = GetSpeedUnitFactor(autocvar_hud_panel_strafehud_unit);
128 float length_conversion_factor = GetLengthUnitFactor(autocvar_hud_panel_strafehud_unit);
129 string speed_unit = GetSpeedUnit(autocvar_hud_panel_strafehud_unit);
130 string length_unit = GetLengthUnit(autocvar_hud_panel_strafehud_unit);
131 int length_decimals = autocvar_hud_panel_strafehud_unit >= 3 && autocvar_hud_panel_strafehud_unit <= 5 ? 6 : 2; // use more decimals when displaying km or miles
132 float antiflicker_angle = bound(0, autocvar_hud_panel_strafehud_antiflicker_angle, 180);
133 float antiflicker_speed = max(0, autocvar_hud_panel_strafehud_antiflicker_speed);
135 float shift_offset = 0;
136 bool straight_overturn = false;
137 bool immobile = speed <= (swimming ? antiflicker_speed : 0);
139 float neutral_offset;
141 vector currentangle_color = autocvar_hud_panel_strafehud_angle_neutral_color;
142 float currentangle_offset;
143 vector currentangle_size = '0 0 0';
147 bool bestangle_anywhere = false;
148 float bestangle_offset;
149 float switch_bestangle_offset;
150 bool odd_angles = false;
151 float odd_bestangle_offset = 0;
152 float switch_odd_bestangle_offset = 0;
153 float bestangle_width;
154 float accelzone_left_offset;
155 float accelzone_right_offset;
156 float accelzone_width;
157 float preaccelzone_left_offset;
158 float preaccelzone_right_offset;
159 float preaccelzone_width;
160 float overturn_offset;
161 float overturn_width;
162 float slickdetector_height;
163 vector direction_size_vertical = '0 0 0';
164 vector direction_size_horizontal = '0 0 0';
165 float range_minangle;
166 float arrow_size = max(panel_size.y * min(autocvar_hud_panel_strafehud_angle_arrow_size, 10), 0); // there's only one size cvar for the arrows, they will always have a 45° angle to ensure proper rendering without antialiasing
168 if(!autocvar_hud_panel_strafehud_uncapped)
169 arrow_size = max(arrow_size, 1);
171 // determine whether the player is pressing forwards or backwards keys
172 if(islocal) // if entity is local player
178 else if(movement.x < 0)
187 else // alternatively determine direction by querying pressed keys
189 if((keys & KEY_FORWARD) && !(keys & KEY_BACKWARD))
193 else if(!(keys & KEY_FORWARD) && (keys & KEY_BACKWARD))
203 // determine player wishdir
204 if(islocal) // if entity is local player
212 else if(movement.y > 0)
229 wishangle = RAD2DEG * atan2(movement.y, movement.x);
230 // wrap the wish angle if it exceeds ±90°
231 if(fabs(wishangle) > 90)
233 if(wishangle < 0) wishangle += 180;
234 else wishangle -= 180;
235 wishangle = -wishangle;
240 else // alternatively calculate wishdir by querying pressed keys
242 if(keys & KEY_FORWARD || keys & KEY_BACKWARD)
254 else if(!(keys & KEY_RIGHT))
256 wishangle = 0; // wraps at 180°
260 strafekeys = fabs(wishangle) > 45;
262 // determine minimum required angle to display full strafe range
263 range_minangle = fabs(wishangle) % 90; // maximum range is 90 degree
264 if(range_minangle > 45) // minimum angle range is 45
266 range_minangle = 45 - fabs(wishangle) % 45;
268 range_minangle = 90 - range_minangle; // calculate value which is never >90 or <45
269 range_minangle *= 2; // multiply to accommodate for both sides of the hud
271 if(autocvar_hud_panel_strafehud_range == 0)
273 if(autocvar__hud_configure)
279 hudangle = range_minangle; // use minimum angle required if dynamically setting hud angle
284 hudangle = bound(0, fabs(autocvar_hud_panel_strafehud_range), 360); // limit HUD range to 360 degrees, higher values don't make sense
287 // detect air strafe turning
288 if(onground != state_onground)
290 state_onground_time = time;
292 state_onground = onground;
294 if(strafekeys != state_strafekeys)
296 state_strafekeys_time = time;
298 state_strafekeys = strafekeys;
300 if((!strafekeys && vlen(vec2(movement)) > 0) || swimming || autocvar__hud_configure)
306 if((time - state_onground_time) >= autocvar_hud_panel_strafehud_timeout_ground) // timeout for strafe jumping in general
311 else // air strafe only
315 if(((time - state_onground_time) >= autocvar_hud_panel_strafehud_timeout_air) || (keys & KEY_JUMP)) // timeout for slick ramps
317 turn = true; // CPMA turning
318 turnangle = wishangle;
320 // calculate the maximum air strafe speed and acceleration
321 if(PHYS_MAXAIRSPEED(strafeplayer) == 0){
324 else if(PHYS_MAXAIRSTRAFESPEED(strafeplayer) == 0 || PHYS_MAXAIRSPEED(strafeplayer) <= PHYS_MAXAIRSTRAFESPEED(strafeplayer)){
325 maxspeed = PHYS_MAXAIRSPEED(strafeplayer);
328 maxspeed = PHYS_MAXAIRSPEED(strafeplayer) * pow(fabs(PHYS_MAXAIRSTRAFESPEED(strafeplayer) / PHYS_MAXAIRSPEED(strafeplayer)), 1 - (90 - fabs(wishangle)) / 45); // no modifiers here because they don't affect air strafing
330 turnspeed = vlen(vec2(movement));
331 if(turnspeed == 0) turnspeed = maxspeed;
332 else turnspeed = min(turnspeed, maxspeed);
334 if(PHYS_AIRACCELERATE(strafeplayer) == 0){
337 else if(PHYS_AIRSTRAFEACCELERATE(strafeplayer) == 0 || PHYS_AIRACCELERATE(strafeplayer) <= PHYS_AIRSTRAFEACCELERATE(strafeplayer)){
338 maxaccel = PHYS_AIRACCELERATE(strafeplayer);
341 maxaccel = PHYS_AIRACCELERATE(strafeplayer) * pow(fabs(PHYS_AIRSTRAFEACCELERATE(strafeplayer) / PHYS_AIRACCELERATE(strafeplayer)), 1 - (90 - fabs(wishangle)) / 45); // no modifiers here because they don't affect air strafing
343 turnaccel = maxaccel;
346 else if((time - state_strafekeys_time) >= autocvar_hud_panel_strafehud_timeout_turn) // timeout for jumping with strafe keys only
351 if(turn && (onground || !strafekeys)) // retain last state until strafe turning times out
353 wishangle = turnangle;
354 movespeed = turnspeed;
355 maxaccel = turnaccel;
358 movespeed = vlen(vec2(movement));
359 if(movespeed == 0) movespeed = maxspeed;
360 else movespeed = min(movespeed, maxspeed);
364 if((keys & KEY_JUMP) && ((time - state_onground_time) < autocvar_hud_panel_strafehud_timeout_ground)) // if ground timeout hasn't expired yet use air accelerate
366 maxaccel = !autocvar__hud_configure ? PHYS_AIRACCELERATE(strafeplayer) * crouch_mod * water_mod : 1;
371 if(!(keys & KEY_JUMP) && ((time - state_onground_time) < autocvar_hud_panel_strafehud_timeout_air)) // if air timeout hasn't expired yet use ground accelerate
373 maxaccel = !autocvar__hud_configure ? PHYS_ACCELERATE(strafeplayer) * crouch_mod * water_mod : 1;
378 minspeed = autocvar_hud_panel_strafehud_switch_minspeed < 0 ? (movespeed - maxaccel) + antiflicker_speed : autocvar_hud_panel_strafehud_switch_minspeed;
380 // get current strafing angle ranging from -180° to +180°
381 if(!autocvar__hud_configure)
385 // calculate view angle relative to the players current velocity direction
386 angle = vel_angle - view_angle;
388 // if the angle goes above 180° or below -180° wrap it to the opposite side since we want the interior angle
389 if (angle > 180) angle -= 360;
390 else if(angle < -180) angle += 360;
392 // determine whether the player is strafing forwards or backwards
393 // if the player isn't strafe turning use forwards/backwards keys to determine direction
394 if(fabs(wishangle) != 90)
400 else if(keys_fwd < 0)
406 fwd = fabs(angle) <= 90;
409 // otherwise determine by examining the strafe angle
412 if(wishangle < 0) // detect direction using wishangle since the direction is not yet set
414 fwd = angle <= -wishangle;
418 fwd = angle >= -wishangle;
422 // shift the strafe angle by 180° when strafing backwards
425 if(angle < 0) angle += 180;
429 // don't make the angle indicator switch side too much at ±180° if anti flicker is turned on
430 if(angle > (180 - antiflicker_angle) || angle < (-180 + antiflicker_angle))
432 straight_overturn = true;
440 else // simulate turning for HUD setup
443 if(autocvar__hud_panel_strafehud_demo && ((time - demo_time) >= .025))
446 demo_angle += demo_direction;
447 if(fabs(demo_angle) >= 55)
449 demo_direction = -demo_direction;
453 wishangle = 45 * (demo_angle > 0 ? 1 : -1);
456 // invert the wish angle when strafing backwards
459 wishangle = -wishangle;
462 // flip angles if v_flipped is enabled
463 if(autocvar_v_flipped)
466 wishangle = -wishangle;
469 // determine whether the player is strafing left or right
472 direction = wishangle > 0 ? 1 : -1;
476 direction = (angle > antiflicker_angle && angle < (180 - antiflicker_angle)) ? 1 : (angle < -antiflicker_angle && angle > (-180 + antiflicker_angle)) ? -1 : 0;
479 // best angle to strafe at
480 bestangle = (speed > (movespeed - maxaccel) ? acos((movespeed - maxaccel) / speed) : 0) * RAD2DEG * (direction < 0 ? -1 : 1);
481 prebestangle = (speed > movespeed ? acos(movespeed / speed) : 0) * RAD2DEG * (direction < 0 ? -1 : 1);
482 odd_bestangle = -bestangle - wishangle;
483 bestangle -= wishangle;
484 prebestangle -= wishangle;
486 // various offsets and size calculations of hud indicator elements
487 // how much is hidden by the current hud angle
488 hidden_width = (360 - hudangle) / hudangle * panel_size.x;
490 currentangle_size.x = autocvar_hud_panel_strafehud_angle_width;
491 currentangle_size.y = autocvar_hud_panel_strafehud_angle_height;
492 if(!autocvar_hud_panel_strafehud_uncapped)
494 currentangle_size.x = min(currentangle_size.x, 10);
495 currentangle_size.y = min(currentangle_size.y, 10);
497 currentangle_size.x *= panel_size.x;
498 currentangle_size.y *= panel_size.y;
499 if(!autocvar_hud_panel_strafehud_uncapped)
501 currentangle_size.x = max(currentangle_size.x, 1);
502 currentangle_size.y = max(currentangle_size.y, 1);
506 currentangle_size.y = max(currentangle_size.y, 0);
510 currentangle_offset = angle/hudangle * panel_size.x;
514 currentangle_offset = bound(-hudangle/2, angle, hudangle/2)/hudangle * panel_size.x + panel_size.x/2;
516 // best strafe acceleration angle
517 bestangle_offset = bestangle/hudangle * panel_size.x + panel_size.x/2;
518 switch_bestangle_offset = -bestangle/hudangle * panel_size.x + panel_size.x/2;
519 bestangle_width = panel_size.x * autocvar_hud_panel_strafehud_switch_width;
520 if(!autocvar_hud_panel_strafehud_uncapped)
521 bestangle_width = max(bestangle_width, 1);
523 if(((angle > -wishangle && direction < 0) || (angle < -wishangle && direction > 0)) && (direction != 0))
526 odd_bestangle_offset = odd_bestangle/hudangle * panel_size.x + panel_size.x/2;
527 switch_odd_bestangle_offset = (odd_bestangle+bestangle*2)/hudangle * panel_size.x + panel_size.x/2;
529 // direction indicator
530 direction_size_vertical.x = autocvar_hud_panel_strafehud_direction_width;
531 if(!autocvar_hud_panel_strafehud_uncapped)
532 direction_size_vertical.x = min(direction_size_vertical.x, 1);
533 direction_size_vertical.x *= panel_size.y;
534 if(!autocvar_hud_panel_strafehud_uncapped)
535 direction_size_vertical.x = max(direction_size_vertical.x, 1);
536 direction_size_vertical.y = panel_size.y + direction_size_vertical.x*2;
537 direction_size_horizontal.x = panel_size.x * min(autocvar_hud_panel_strafehud_direction_length, .5);
538 direction_size_horizontal.y = direction_size_vertical.x;
540 overturn_width = 180/hudangle * panel_size.x;
542 // the neutral zone fills the whole strafe bar
546 if(panel_size.x > 0 && panel_size.y > 0 && autocvar_hud_panel_strafehud_bar_neutral_alpha * panel_fg_alpha > 0)
548 switch(autocvar_hud_panel_strafehud_style)
552 drawfill(panel_pos, panel_size, autocvar_hud_panel_strafehud_bar_neutral_color, autocvar_hud_panel_strafehud_bar_neutral_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
556 HUD_Panel_DrawProgressBar(panel_pos, panel_size, "progressbar", 1, 0, 0, autocvar_hud_panel_strafehud_bar_neutral_color, autocvar_hud_panel_strafehud_bar_neutral_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
562 // calculate various zones of the strafe-o-meter
563 accelzone_width = (90 - fabs(bestangle + wishangle))/hudangle * panel_size.x;
564 preaccelzone_width = (fabs(bestangle - prebestangle))/hudangle * panel_size.x;
565 overturn_offset = accelzone_width + preaccelzone_width;
566 accelzone_right_offset = preaccelzone_width;
567 accelzone_left_offset = overturn_offset + overturn_width;
568 preaccelzone_right_offset = 0;
569 preaccelzone_left_offset = accelzone_left_offset + accelzone_width;
570 neutral_width = 360/hudangle * panel_size.x - accelzone_width*2 - preaccelzone_width*2 - overturn_width;
571 neutral_offset = direction < 0 ? preaccelzone_left_offset + preaccelzone_width : -neutral_width;
573 // shift hud if operating in view angle centered mode
576 shift_offset = -currentangle_offset;
577 bestangle_offset += shift_offset;
578 switch_bestangle_offset += shift_offset;
579 odd_bestangle_offset += shift_offset;
580 switch_odd_bestangle_offset += shift_offset;
582 if(direction < 0) shift_offset += -360/hudangle * panel_size.x;
583 // calculate how far off-center the strafe zones currently are
584 shift_offset += (panel_size.x + neutral_width)/2 - wishangle/hudangle * panel_size.x;
585 // shift strafe zones into correct place
586 neutral_offset += shift_offset;
587 accelzone_left_offset += shift_offset;
588 accelzone_right_offset += shift_offset;
589 preaccelzone_left_offset += shift_offset;
590 preaccelzone_right_offset += shift_offset;
591 overturn_offset += shift_offset;
593 // draw left acceleration zone
594 HUD_Panel_DrawStrafeHUD(accelzone_left_offset, accelzone_width, autocvar_hud_panel_strafehud_bar_accel_color, autocvar_hud_panel_strafehud_bar_accel_alpha * panel_fg_alpha, autocvar_hud_panel_strafehud_style, 1);
595 HUD_Panel_DrawStrafeHUD(preaccelzone_left_offset, preaccelzone_width, autocvar_hud_panel_strafehud_bar_preaccel_color, autocvar_hud_panel_strafehud_bar_preaccel_alpha * panel_fg_alpha, autocvar_hud_panel_strafehud_style, 0);
597 // draw right acceleration zone
598 HUD_Panel_DrawStrafeHUD(accelzone_right_offset, accelzone_width, autocvar_hud_panel_strafehud_bar_accel_color, autocvar_hud_panel_strafehud_bar_accel_alpha * panel_fg_alpha, autocvar_hud_panel_strafehud_style, 2);
599 HUD_Panel_DrawStrafeHUD(preaccelzone_right_offset, preaccelzone_width, autocvar_hud_panel_strafehud_bar_preaccel_color, autocvar_hud_panel_strafehud_bar_preaccel_alpha * panel_fg_alpha, autocvar_hud_panel_strafehud_style, 0);
601 // draw overturn zone
602 HUD_Panel_DrawStrafeHUD(overturn_offset, overturn_width, autocvar_hud_panel_strafehud_bar_overturn_color, autocvar_hud_panel_strafehud_bar_overturn_alpha * panel_fg_alpha, autocvar_hud_panel_strafehud_style, 3);
605 HUD_Panel_DrawStrafeHUD(neutral_offset, neutral_width, autocvar_hud_panel_strafehud_bar_neutral_color, autocvar_hud_panel_strafehud_bar_neutral_alpha * panel_fg_alpha, autocvar_hud_panel_strafehud_style, 0);
607 if(speed >= minspeed && bestangle_width > 0) // only draw indicators if minspeed is reached
609 // draw the switch indicator(s)
610 float offset = !odd_angles ? bestangle_offset : odd_bestangle_offset;
611 float switch_offset = !odd_angles ? switch_bestangle_offset : switch_odd_bestangle_offset;
613 // remove switch indicator width from offset
617 offset -= bestangle_width;
619 switch_offset -= bestangle_width;
624 switch_offset -= bestangle_width;
626 offset -= bestangle_width;
629 HUD_Panel_DrawStrafeHUD(switch_offset, bestangle_width, autocvar_hud_panel_strafehud_switch_color, autocvar_hud_panel_strafehud_switch_alpha * panel_fg_alpha, 0, 0);
630 if(direction == 0) HUD_Panel_DrawStrafeHUD(offset, bestangle_width, autocvar_hud_panel_strafehud_switch_color, autocvar_hud_panel_strafehud_switch_alpha * panel_fg_alpha, 0, 0);
634 // experimental: slick detector
635 slickdetector_height = max(autocvar_hud_panel_strafehud_slickdetector_height, 0);
636 if(!autocvar_hud_panel_strafehud_uncapped)
637 slickdetector_height = min(slickdetector_height, 1);
638 slickdetector_height *= panel_size.y;
639 if(autocvar_hud_panel_strafehud_slickdetector_range > 0 && autocvar_hud_panel_strafehud_slickdetector_alpha > 0 && slickdetector_height > 0 && panel_size.x > 0) // dunno if slick detection works in spectate
641 float slicksteps = max(autocvar_hud_panel_strafehud_slickdetector_granularity, 0);
642 bool slickdetected = false;
644 if(!autocvar_hud_panel_strafehud_uncapped)
645 slicksteps = min(slicksteps, 4);
646 slicksteps = 90 / pow(2, slicksteps);
648 if(islocal) slickdetected = IS_ONSLICK(strafeplayer); // don't need to traceline if already touching slick
650 // traceline into every direction
651 trace_dphitq3surfaceflags = 0;
652 for(float i = 0; i < 360 && !slickdetected; i += slicksteps)
656 slickoffset.z = -cos(i * DEG2RAD) * autocvar_hud_panel_strafehud_slickdetector_range;
657 slickrotate = sin(i * DEG2RAD) * autocvar_hud_panel_strafehud_slickdetector_range;
658 if(i != 0 && i != 180)
660 for(float j = 0; j < 180 && !slickdetected; j += slicksteps)
662 slickoffset.x = sin(j * DEG2RAD) * slickrotate;
663 slickoffset.y = cos(j * DEG2RAD) * slickrotate;
665 traceline(strafeplayer.origin, strafeplayer.origin + slickoffset, MOVE_WORLDONLY, NULL);
666 if((PHYS_FRICTION(strafeplayer) == 0 && trace_fraction < 1) || trace_dphitq3surfaceflags & Q3SURFACEFLAG_SLICK) slickdetected = true;
671 slickoffset.x = slickoffset.y = 0;
672 traceline(strafeplayer.origin, strafeplayer.origin + slickoffset, MOVE_WORLDONLY, NULL);
673 if((PHYS_FRICTION(strafeplayer) == 0 && trace_fraction < 1) || trace_dphitq3surfaceflags & Q3SURFACEFLAG_SLICK) slickdetected = true;
677 // if a traceline hit a slick surface
680 vector slickdetector_size = panel_size;
681 slickdetector_size.y = slickdetector_height;
682 // top horizontal line
683 drawfill(panel_pos - eY * slickdetector_size.y, slickdetector_size, autocvar_hud_panel_strafehud_slickdetector_color, autocvar_hud_panel_strafehud_slickdetector_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
684 // bottom horizontal line
685 drawfill(panel_pos + eY * panel_size.y, slickdetector_size, autocvar_hud_panel_strafehud_slickdetector_color, autocvar_hud_panel_strafehud_slickdetector_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
689 if(direction != 0 && direction_size_vertical.x > 0 && autocvar_hud_panel_strafehud_direction_alpha * panel_fg_alpha > 0)
691 bool indicator_direction = direction < 0;
692 // invert left/right when strafing backwards or when strafing towards the opposite side indicated by the direction variable
693 // if both conditions are true then it's inverted twice hence not inverted at all
694 if(!fwd != odd_angles)
696 indicator_direction = !indicator_direction;
698 // draw the direction indicator caps at the sides of the hud
700 if(direction_size_vertical.y > 0) drawfill(panel_pos - eY * direction_size_horizontal.y + eX * (indicator_direction ? -direction_size_vertical.x : panel_size.x), direction_size_vertical, autocvar_hud_panel_strafehud_direction_color, autocvar_hud_panel_strafehud_direction_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
701 // top horizontal line
702 drawfill(panel_pos + eX * (indicator_direction ? 0 : panel_size.x - direction_size_horizontal.x) - eY * direction_size_horizontal.y, direction_size_horizontal, autocvar_hud_panel_strafehud_direction_color, autocvar_hud_panel_strafehud_direction_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
703 // bottom horizontal line
704 drawfill(panel_pos + eX * (indicator_direction ? 0 : panel_size.x - direction_size_horizontal.x) + eY * panel_size.y, direction_size_horizontal, autocvar_hud_panel_strafehud_direction_color, autocvar_hud_panel_strafehud_direction_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
707 if(speed < ((movespeed - maxaccel) + antiflicker_speed) && !immobile)
709 bestangle_anywhere = true; // moving forward should suffice to gain speed
712 // draw the actual strafe angle
713 if(!bestangle_anywhere && !immobile) // player gains speed with strafing
715 if((direction > 0 && (angle >= bestangle || angle <= -(bestangle + wishangle*2))) ||
716 (direction < 0 && (angle <= bestangle || angle >= -(bestangle + wishangle*2))))
717 currentangle_color = autocvar_hud_panel_strafehud_angle_accel_color;
720 if(fabs(angle + wishangle) > 90) // player is overturning
722 currentangle_color = autocvar_hud_panel_strafehud_angle_overturn_color;
724 else if(bestangle_anywhere) // player gains speed without strafing
726 currentangle_color = autocvar_hud_panel_strafehud_angle_accel_color;
729 if(mode == 0 || straight_overturn)
731 currentangle_offset = panel_size.x/2;
734 if(autocvar_hud_panel_strafehud_style == 2 && !immobile)
736 float moveangle = angle + wishangle;
737 float strafeangle = (bestangle + wishangle) * (direction < 0 ? -1 : 1);
738 float strafe_ratio = 0;
739 if(fabs(moveangle) > 90)
741 strafe_ratio = -((fabs(moveangle) - 90) / 90);
742 if(strafe_ratio < -1) strafe_ratio = -2 - strafe_ratio;
746 if(moveangle >= strafeangle)
748 strafe_ratio = 1 - (moveangle - strafeangle) / (90 - strafeangle);
750 else if(moveangle <= -strafeangle)
752 strafe_ratio = 1 - (moveangle + strafeangle) / (-90 + strafeangle);
757 currentangle_color = StrafeHUD_mixColors(autocvar_hud_panel_strafehud_angle_neutral_color, autocvar_hud_panel_strafehud_angle_overturn_color, -strafe_ratio);
761 currentangle_color = StrafeHUD_mixColors(autocvar_hud_panel_strafehud_angle_neutral_color, autocvar_hud_panel_strafehud_angle_accel_color, strafe_ratio);
765 if(autocvar_hud_panel_strafehud_angle_alpha * panel_fg_alpha > 0)
767 switch(autocvar_hud_panel_strafehud_angle_style)
770 if(currentangle_size.x > 0 && currentangle_size.y > 0)
772 if(autocvar_hud_panel_strafehud_bestangle && direction != 0) drawfill(panel_pos - eY * ((currentangle_size.y - panel_size.y) / 2) + eX * ((!odd_angles ? bestangle_offset : odd_bestangle_offset) - currentangle_size.x/2), currentangle_size, autocvar_hud_panel_strafehud_bestangle_color, autocvar_hud_panel_strafehud_bestangle_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
773 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);
777 if(currentangle_size.x > 0 && currentangle_size.y > 0)
779 vector line_size = currentangle_size;
780 line_size.y = currentangle_size.y / (bound(2, autocvar_hud_panel_strafehud_angle_dashes, currentangle_size.y)*2-1);
781 for(float i = 0; i < currentangle_size.y; i += line_size.y*2)
783 if(i + line_size.y*2 >= currentangle_size.y) line_size.y = currentangle_size.y - i;
784 if(autocvar_hud_panel_strafehud_bestangle && direction != 0) drawfill(panel_pos - eY * ((currentangle_size.y - panel_size.y) / 2 - i) + eX * ((!odd_angles ? bestangle_offset : odd_bestangle_offset) - line_size.x/2), line_size, autocvar_hud_panel_strafehud_bestangle_color, autocvar_hud_panel_strafehud_bestangle_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
785 drawfill(panel_pos - eY * ((currentangle_size.y - panel_size.y) / 2 - i) + eX * (currentangle_offset - line_size.x/2), line_size, currentangle_color, autocvar_hud_panel_strafehud_angle_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
793 if(autocvar_hud_panel_strafehud_angle_arrow > 0)
797 if(autocvar_hud_panel_strafehud_angle_arrow == 1 || autocvar_hud_panel_strafehud_angle_arrow >= 3)
799 if(autocvar_hud_panel_strafehud_bestangle && direction != 0) StrafeHUD_drawStrafeArrow(panel_pos + eY * ((panel_size.y - currentangle_size.y) / 2) + eX * (!odd_angles ? bestangle_offset : odd_bestangle_offset), arrow_size, autocvar_hud_panel_strafehud_bestangle_color, autocvar_hud_panel_strafehud_bestangle_alpha * panel_fg_alpha, true);
800 StrafeHUD_drawStrafeArrow(panel_pos + eY * ((panel_size.y - currentangle_size.y) / 2) + eX * currentangle_offset, arrow_size, currentangle_color, autocvar_hud_panel_strafehud_angle_alpha * panel_fg_alpha, true);
802 if(autocvar_hud_panel_strafehud_angle_arrow >= 2)
804 if(autocvar_hud_panel_strafehud_bestangle && direction != 0) StrafeHUD_drawStrafeArrow(panel_pos + eY * ((panel_size.y - currentangle_size.y) / 2 + currentangle_size.y) + eX * (!odd_angles ? bestangle_offset : odd_bestangle_offset), arrow_size, autocvar_hud_panel_strafehud_bestangle_color, autocvar_hud_panel_strafehud_bestangle_alpha * panel_fg_alpha, false);
805 StrafeHUD_drawStrafeArrow(panel_pos + eY * ((panel_size.y - currentangle_size.y) / 2 + currentangle_size.y) + eX * currentangle_offset, arrow_size, currentangle_color, autocvar_hud_panel_strafehud_angle_alpha * panel_fg_alpha, false);
811 draw_beginBoldFont();
812 // show speed when crossing the start trigger
813 if(autocvar_hud_panel_strafehud_startspeed_fade > 0)
815 float text_alpha = 0;
816 if((race_nextcheckpoint == 1) || (race_checkpoint == 254 && race_nextcheckpoint == 255)) // check if the start trigger was hit (will also trigger if the finish trigger was hit if those have the same ID)
818 if(starttime != race_checkpointtime)
820 starttime = race_checkpointtime;
826 text_alpha = cos(((time - starttime) / autocvar_hud_panel_strafehud_startspeed_fade) * 90 * DEG2RAD); // fade non-linear like the physics panel does
827 if((time - starttime) > autocvar_hud_panel_strafehud_startspeed_fade)
832 if(startspeed >= 0 && text_alpha > 0 && autocvar_hud_panel_strafehud_startspeed_size > 0)
834 vector startspeed_size = panel_size;
835 startspeed_size.y = autocvar_hud_panel_strafehud_startspeed_size;
836 if(!autocvar_hud_panel_strafehud_uncapped)
837 startspeed_size.y = min(startspeed_size.y, 10);
838 startspeed_size.y *= panel_size.y;
839 if(!autocvar_hud_panel_strafehud_uncapped)
840 startspeed_size.y = max(startspeed_size.y, 1);
841 drawstring_aspect(panel_pos + eY * (panel_size.y + arrow_size + ((currentangle_size.y - panel_size.y) / 2)), strcat(ftos_decimals(startspeed * speed_conversion_factor, 2), autocvar_hud_panel_strafehud_unit_show ? speed_unit : ""), startspeed_size, autocvar_hud_panel_strafehud_startspeed_color, text_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
850 // experimental: show height achieved by a single jump (doesn't work in low gravity and may not be 100% accurate)
851 if(autocvar_hud_panel_strafehud_jumpheight_fade > 0)
853 float text_alpha = 0;
854 float jumpheight_min = max(autocvar_hud_panel_strafehud_jumpheight_min, 0);
855 float jumpheight_current = strafeplayer.origin.z;
856 float jumpspeed_current = strafeplayer.velocity.z;
857 if(jumpspeed_prev <= jumpspeed_current || jumpheight_prev > jumpheight_current || onground || swimming || IS_DEAD(strafeplayer) || spectating)
859 // tries to catch kill and spectate but those are not reliable, should just hook to kill/spectate/teleport and reset jump height there
864 if(jumpheight < 0 || jumprestart)
871 jumpheight += jumpheight_current - jumpheight_prev;
873 if((jumpheight * length_conversion_factor) > jumpheight_min && jumpheight > jumpheight_persistent)
876 jumpheight_persistent = jumpheight;
879 jumpheight_prev = jumpheight_current;
880 jumpspeed_prev = jumpspeed_current;
881 if(jumpheight_persistent > 0)
883 text_alpha = cos(((time - jumptime) / autocvar_hud_panel_strafehud_jumpheight_fade) * 90 * DEG2RAD); // fade non-linear like the physics panel does
884 if((time - jumptime) > autocvar_hud_panel_strafehud_jumpheight_fade)
886 jumpheight_persistent = -1;
889 if(jumpheight_persistent > 0 && text_alpha > 0 && autocvar_hud_panel_strafehud_jumpheight_size > 0)
891 vector jumpheight_size = panel_size;
892 jumpheight_size.y = autocvar_hud_panel_strafehud_jumpheight_size;
893 if(!autocvar_hud_panel_strafehud_uncapped)
894 jumpheight_size.y = min(jumpheight_size.y, 10);
895 jumpheight_size.y *= panel_size.y;
896 if(!autocvar_hud_panel_strafehud_uncapped)
897 jumpheight_size.y = max(jumpheight_size.y, 1);
898 drawstring_aspect(panel_pos - eY * (jumpheight_size.y + arrow_size + ((currentangle_size.y - panel_size.y) / 2)), strcat(ftos_decimals(jumpheight_persistent * length_conversion_factor, length_decimals), autocvar_hud_panel_strafehud_unit_show ? length_unit : ""), jumpheight_size, autocvar_hud_panel_strafehud_jumpheight_color, text_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
903 jumpheight_prev = jumpspeed_prev = 0;
904 jumpheight = jumpheight_persistent = -1;
910 // functions to make hud elements align perfectly in the hud area
911 void HUD_Panel_DrawStrafeHUD(float offset, float width, vector color, float alpha, int type, int gradientType)
913 float mirror_offset, mirror_width;
914 vector size = panel_size;
915 vector mirror_size = panel_size;
917 float gradient_offset, gradient_mirror_offset;
918 float overflow_width = 0, overflow_mirror_width = 0;
920 float original_width = width;
922 if(alpha <= 0 && type != 2 || width <= 0) return;
924 if(type == 2 && gradientType == 0) type = 0;
928 mirror_width = min(fabs(offset), width);
929 mirror_offset = panel_size.x + hidden_width - fabs(offset);
935 mirror_width = min(offset + width - panel_size.x - hidden_width, width);
936 mirror_offset = max(offset - panel_size.x - hidden_width, 0);
939 if(width < 0) width = 0;
940 if((offset + width) > panel_size.x)
942 overflow_width = (offset + width) - panel_size.x;
943 width = panel_size.x - offset;
945 if(mirror_offset < 0)
947 mirror_width += mirror_offset;
951 if(mirror_width < 0) mirror_width = 0;
952 if((mirror_offset + mirror_width) > panel_size.x)
954 overflow_mirror_width = (mirror_offset + mirror_width) - panel_size.x;
955 mirror_width = panel_size.x - mirror_offset;
958 if(direction < 0) // swap mirror and non-mirror values if direction points left
960 offset += mirror_offset;
961 mirror_offset = offset - mirror_offset;
962 offset -= mirror_offset;
964 width += mirror_width;
965 mirror_width = width - mirror_width;
966 width -= mirror_width;
968 overflow_width += overflow_mirror_width;
969 overflow_mirror_width = overflow_width - overflow_mirror_width;
970 overflow_width -= overflow_mirror_width;
974 mirror_size.x = mirror_width;
979 case 0: // no styling (drawfill)
980 if(mirror_size.x > 0 && mirror_size.y > 0) drawfill(panel_pos + eX * mirror_offset, mirror_size, color, alpha, DRAWFLAG_NORMAL);
981 if(size.x > 0 && size.y > 0) drawfill(panel_pos + eX * offset, size, color, alpha, DRAWFLAG_NORMAL);
984 case 1: // progress bar style
985 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, DRAWFLAG_NORMAL);
986 if(size.x > 0 && size.y > 0) HUD_Panel_DrawProgressBar(panel_pos + eX * offset, size, "progressbar", 1, 0, 0, color, alpha, DRAWFLAG_NORMAL);
989 case 2: // gradient style (types: 1 = left, 2 = right, 3 = both)
990 // determine whether the gradient starts in the mirrored or the non-mirrored area
991 if(offset == 0 && mirror_offset == 0) gradient_start = width > mirror_width ? 2 : 1;
992 else if(offset == 0) gradient_start = 2;
993 else if(mirror_offset == 0) gradient_start = 1;
994 else gradient_start = 0;
996 switch(gradient_start){
998 case 0: // no offset required
999 gradient_offset = gradient_mirror_offset = 0;
1001 case 1: // offset starts in non-mirrored area, mirrored area requires offset
1002 gradient_offset = 0;
1003 gradient_mirror_offset = original_width - (mirror_width + overflow_mirror_width);
1005 case 2: // offset starts in mirrored area, non-mirrored area requires offset
1006 gradient_offset = original_width - (width + overflow_width);
1007 gradient_mirror_offset = 0;
1010 StrafeHUD_drawGradient(color, autocvar_hud_panel_strafehud_bar_neutral_color, mirror_size, original_width, mirror_offset, alpha, gradient_mirror_offset, gradientType);
1011 StrafeHUD_drawGradient(color, autocvar_hud_panel_strafehud_bar_neutral_color, size, original_width, offset, alpha, gradient_offset, gradientType);
1015 vector StrafeHUD_mixColors(vector color1, vector color2, float ratio)
1018 if(ratio <= 0) return color1;
1019 if(ratio >= 1) return color2;
1020 mixedColor.x = color1.x + (color2.x - color1.x) * ratio;
1021 mixedColor.y = color1.y + (color2.y - color1.y) * ratio;
1022 mixedColor.z = color1.z + (color2.z - color1.z) * ratio;
1026 void StrafeHUD_drawGradient(vector color1, vector color2, vector size, float original_width, float offset, float alpha, float gradientOffset, int gradientType)
1028 float color_ratio, alpha1, alpha2;
1029 vector gradient_size = size;
1030 alpha1 = bound(0, alpha, 1);
1031 alpha2 = bound(0, autocvar_hud_panel_strafehud_bar_neutral_alpha, 1);
1032 if((alpha1+alpha2) == 0) return;
1033 color_ratio = alpha1/(alpha1+alpha2);
1034 for(int i = 0; i < size.x; ++i)
1036 float ratio, alpha_ratio, combine_ratio1, combine_ratio2;
1037 gradient_size.x = size.x - i < 1 ? size.x - i : 1;
1038 ratio = (i + gradientOffset) / original_width * (gradientType == 3 ? 2 : 1);
1039 if(ratio > 1) ratio = 2 - ratio;
1040 if(gradientType != 2) ratio = 1 - ratio;
1041 alpha_ratio = alpha1 - (alpha1 - alpha2) * ratio;
1042 combine_ratio1 = ratio*(1-color_ratio);
1043 combine_ratio2 = (1-ratio)*color_ratio;
1044 ratio = (combine_ratio1 + combine_ratio2) == 0 ? 1 : combine_ratio1/(combine_ratio1 + combine_ratio2);
1045 if(alpha_ratio > 0) drawfill(panel_pos + eX * (offset + i), gradient_size, StrafeHUD_mixColors(color1, color2, ratio), alpha_ratio, DRAWFLAG_NORMAL);
1049 // draw the strafe arrows (inspired by drawspritearrow() in common/mutators/mutator/waypoints/waypointsprites.qc)
1050 void StrafeHUD_drawStrafeArrow(vector origin, float size, vector color, float alpha, bool flipped)
1052 if(flipped) origin -= size*eY;
1053 R_BeginPolygon("", DRAWFLAG_NORMAL, true);
1054 R_PolygonVertex(origin + (flipped ? size*eY : '0 0 0') , '0 0 0', color, alpha);
1055 R_PolygonVertex(origin + (flipped ? '0 0 0' : size*eY) - size*eX, '0 0 0', color, alpha);
1056 R_PolygonVertex(origin + (flipped ? '0 0 0' : size*eY) + size*eX, '0 0 0', color, alpha);
1060 // length unit conversion (km and miles are only included to match the GetSpeedUnit* functions)
1061 float GetLengthUnitFactor(int length_unit)
1067 case 2: return 0.0254;
1068 case 3: return 0.0254 * 0.001;
1069 case 4: return 0.0254 * 0.001 * 0.6213711922;
1070 case 5: return 0.0254 * 0.001 * 0.5399568035;
1074 string GetLengthUnit(int length_unit)
1078 // translator-friendly strings without the initial space
1080 case 1: return strcat(" ", _("qu"));
1081 case 2: return strcat(" ", _("m"));
1082 case 3: return strcat(" ", _("km"));
1083 case 4: return strcat(" ", _("mi"));
1084 case 5: return strcat(" ", _("nmi"));