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 // provide basic panel cvars to old clients
41 // TODO remove them after a future release (0.8.2+)
42 noref string autocvar_hud_panel_strafehud_pos = "0.320000 0.570000";
43 noref string autocvar_hud_panel_strafehud_size = "0.360000 0.020000";
44 noref string autocvar_hud_panel_strafehud_bg = "0";
45 noref string autocvar_hud_panel_strafehud_bg_color = "";
46 noref string autocvar_hud_panel_strafehud_bg_color_team = "";
47 noref string autocvar_hud_panel_strafehud_bg_alpha = "0.7";
48 noref string autocvar_hud_panel_strafehud_bg_border = "";
49 noref string autocvar_hud_panel_strafehud_bg_padding = "";
56 // generic hud routines
57 if(!autocvar__hud_configure)
59 if(!autocvar_hud_panel_strafehud ||
60 (spectatee_status == -1 && (autocvar_hud_panel_strafehud == 1 || autocvar_hud_panel_strafehud == 3)) ||
61 (autocvar_hud_panel_strafehud == 3 && !MUTATOR_CALLHOOK(HUD_StrafeHUD_showoptional))) return;
64 HUD_Panel_LoadCvars();
66 if(autocvar_hud_panel_strafehud_dynamichud)
79 panel_pos += '1 1 0' * panel_bg_padding;
80 panel_size -= '2 2 0' * panel_bg_padding;
83 // find out whether the local csqcmodel entity is valid
84 if(spectatee_status > 0 || isdemo())
87 strafeplayer = CSQCModel_server2csqc(player_localentnum - 1);
92 strafeplayer = csqcplayer;
96 if(csqcplayer && strafeplayer)
99 bool onground = islocal ? IS_ONGROUND(strafeplayer) : !(strafeplayer.anim_implicit_state & ANIMIMPLICITSTATE_INAIR);
101 bool swimming = strafeplayer.waterlevel >= WATERLEVEL_SWIMMING;
102 bool spectating = entcs_GetSpecState(strafeplayer.sv_entnum) == ENTCS_SPEC_PURE;
103 float speed = !autocvar__hud_configure ? vlen(vec2(csqcplayer.velocity)) : 1337; // use local csqcmodel entity for this even when spectating, flickers too much otherwise
104 float crouch_mod = IS_DUCKED(csqcplayer) && !swimming ? .5 : 1;
105 float water_mod = swimming ? .7 : 1; // very simplified water physics, the hud will not work well (and is not supposed to) while swimming
106 float maxspeed_phys = onground ? PHYS_MAXSPEED(strafeplayer) : PHYS_MAXAIRSPEED(strafeplayer);
107 float maxspeed = !autocvar__hud_configure ? maxspeed_phys * crouch_mod * water_mod : 320;
109 float maxaccel_phys = onground ? PHYS_ACCELERATE(strafeplayer) : PHYS_AIRACCELERATE(strafeplayer);
110 float maxaccel = !autocvar__hud_configure ? maxaccel_phys * crouch_mod * water_mod : 1;
111 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
112 float view_angle = PHYS_INPUT_ANGLES(strafeplayer).y;
114 vector movement = PHYS_INPUT_MOVEVALUES(strafeplayer);
115 int keys = STAT(PRESSED_KEYS);
120 int mode = autocvar_hud_panel_strafehud_mode >= 0 && autocvar_hud_panel_strafehud_mode <= 1 ? autocvar_hud_panel_strafehud_mode : 0;
121 float speed_conversion_factor = GetSpeedUnitFactor(autocvar_hud_panel_strafehud_unit);
122 float length_conversion_factor = GetLengthUnitFactor(autocvar_hud_panel_strafehud_unit);
123 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
124 float antiflicker_angle = bound(0, autocvar_hud_panel_strafehud_antiflicker_angle, 180);
125 float antiflicker_speed = max(0, autocvar_hud_panel_strafehud_antiflicker_speed);
127 float shift_offset = 0;
128 bool straight_overturn = false;
129 bool immobile = speed <= (swimming ? antiflicker_speed : 0);
131 float neutral_offset;
133 vector currentangle_color = autocvar_hud_panel_strafehud_angle_neutral_color;
134 float currentangle_offset;
135 vector currentangle_size = '0 0 0';
139 bool bestangle_anywhere = false;
140 float bestangle_offset;
141 float switch_bestangle_offset;
142 bool odd_angles = false;
143 float odd_bestangle_offset = 0;
144 float switch_odd_bestangle_offset = 0;
145 float bestangle_width;
146 float accelzone_left_offset;
147 float accelzone_right_offset;
148 float accelzone_width;
149 float preaccelzone_left_offset;
150 float preaccelzone_right_offset;
151 float preaccelzone_width;
152 float overturn_offset;
153 float overturn_width;
154 float slickdetector_height;
155 vector direction_size_vertical = '0 0 0';
156 vector direction_size_horizontal = '0 0 0';
157 float range_minangle;
158 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
160 if(!autocvar_hud_panel_strafehud_uncapped)
161 arrow_size = max(arrow_size, 1);
163 // determine whether the player is pressing forwards or backwards keys
164 if(islocal) // if entity is local player
170 else if(movement.x < 0)
179 else // alternatively determine direction by querying pressed keys
181 if((keys & KEY_FORWARD) && !(keys & KEY_BACKWARD))
185 else if(!(keys & KEY_FORWARD) && (keys & KEY_BACKWARD))
195 // determine player wishdir
196 if(islocal) // if entity is local player
204 else if(movement.y > 0)
221 wishangle = RAD2DEG * atan2(movement.y, movement.x);
222 // wrap the wish angle if it exceeds ±90°
223 if(fabs(wishangle) > 90)
225 if(wishangle < 0) wishangle += 180;
226 else wishangle -= 180;
227 wishangle = -wishangle;
232 else // alternatively calculate wishdir by querying pressed keys
234 if(keys & KEY_FORWARD || keys & KEY_BACKWARD)
246 else if(!(keys & KEY_RIGHT))
248 wishangle = 0; // wraps at 180°
252 strafekeys = fabs(wishangle) > 45;
254 // determine minimum required angle to display full strafe range
255 range_minangle = fabs(wishangle) % 90; // maximum range is 90 degree
256 if(range_minangle > 45) // minimum angle range is 45
258 range_minangle = 45 - fabs(wishangle) % 45;
260 range_minangle = 90 - range_minangle; // calculate value which is never >90 or <45
261 range_minangle *= 2; // multiply to accommodate for both sides of the hud
263 if(autocvar_hud_panel_strafehud_range == 0)
265 if(autocvar__hud_configure)
271 hudangle = range_minangle; // use minimum angle required if dynamically setting hud angle
276 hudangle = bound(0, fabs(autocvar_hud_panel_strafehud_range), 360); // limit HUD range to 360 degrees, higher values don't make sense
279 // detect air strafe turning
280 if(onground != state_onground)
282 state_onground_time = time;
284 state_onground = onground;
286 if(strafekeys != state_strafekeys)
288 state_strafekeys_time = time;
290 state_strafekeys = strafekeys;
292 if((!strafekeys && vlen(vec2(movement)) > 0) || swimming || autocvar__hud_configure)
298 if((time - state_onground_time) >= autocvar_hud_panel_strafehud_timeout_ground) // timeout for strafe jumping in general
303 else // air strafe only
307 if(((time - state_onground_time) >= autocvar_hud_panel_strafehud_timeout_air) || (keys & KEY_JUMP)) // timeout for slick ramps
309 turn = true; // CPMA turning
310 turnangle = wishangle;
312 // calculate the maximum air strafe speed and acceleration
313 if(PHYS_MAXAIRSPEED(strafeplayer) == 0){
316 else if(PHYS_MAXAIRSTRAFESPEED(strafeplayer) == 0 || PHYS_MAXAIRSPEED(strafeplayer) <= PHYS_MAXAIRSTRAFESPEED(strafeplayer)){
317 maxspeed = PHYS_MAXAIRSPEED(strafeplayer);
320 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
322 turnspeed = vlen(vec2(movement));
323 if(turnspeed == 0) turnspeed = maxspeed;
324 else turnspeed = min(turnspeed, maxspeed);
326 if(PHYS_AIRACCELERATE(strafeplayer) == 0){
329 else if(PHYS_AIRSTRAFEACCELERATE(strafeplayer) == 0 || PHYS_AIRACCELERATE(strafeplayer) <= PHYS_AIRSTRAFEACCELERATE(strafeplayer)){
330 maxaccel = PHYS_AIRACCELERATE(strafeplayer);
333 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
335 turnaccel = maxaccel;
338 else if((time - state_strafekeys_time) >= autocvar_hud_panel_strafehud_timeout_turn) // timeout for jumping with strafe keys only
343 if(turn && (onground || !strafekeys)) // retain last state until strafe turning times out
345 wishangle = turnangle;
346 movespeed = turnspeed;
347 maxaccel = turnaccel;
350 movespeed = vlen(vec2(movement));
351 if(movespeed == 0) movespeed = maxspeed;
352 else movespeed = min(movespeed, maxspeed);
356 if((keys & KEY_JUMP) && ((time - state_onground_time) < autocvar_hud_panel_strafehud_timeout_ground)) // if ground timeout hasn't expired yet use air accelerate
358 maxaccel = !autocvar__hud_configure ? PHYS_AIRACCELERATE(strafeplayer) * crouch_mod * water_mod : 1;
363 if(!(keys & KEY_JUMP) && ((time - state_onground_time) < autocvar_hud_panel_strafehud_timeout_air)) // if air timeout hasn't expired yet use ground accelerate
365 maxaccel = !autocvar__hud_configure ? PHYS_ACCELERATE(strafeplayer) * crouch_mod * water_mod : 1;
370 minspeed = autocvar_hud_panel_strafehud_switch_minspeed < 0 ? (movespeed - maxaccel) + antiflicker_speed : autocvar_hud_panel_strafehud_switch_minspeed;
372 // get current strafing angle ranging from -180° to +180°
373 if(!autocvar__hud_configure)
377 // calculate view angle relative to the players current velocity direction
378 angle = vel_angle - view_angle;
380 // if the angle goes above 180° or below -180° wrap it to the opposite side since we want the interior angle
381 if (angle > 180) angle -= 360;
382 else if(angle < -180) angle += 360;
384 // determine whether the player is strafing forwards or backwards
385 // if the player isn't strafe turning use forwards/backwards keys to determine direction
386 if(fabs(wishangle) != 90)
392 else if(keys_fwd < 0)
398 fwd = fabs(angle) <= 90;
401 // otherwise determine by examining the strafe angle
404 if(wishangle < 0) // detect direction using wishangle since the direction is not yet set
406 fwd = angle <= -wishangle;
410 fwd = angle >= -wishangle;
414 // shift the strafe angle by 180° when strafing backwards
417 if(angle < 0) angle += 180;
421 // don't make the angle indicator switch side too much at ±180° if anti flicker is turned on
422 if(angle > (180 - antiflicker_angle) || angle < (-180 + antiflicker_angle))
424 straight_overturn = true;
432 else // simulate turning for HUD setup
435 if(autocvar__hud_panel_strafehud_demo && ((time - demo_time) >= .025))
438 demo_angle += demo_direction;
439 if(fabs(demo_angle) >= 55)
441 demo_direction = -demo_direction;
445 wishangle = 45 * (demo_angle > 0 ? 1 : -1);
448 // invert the wish angle when strafing backwards
451 wishangle = -wishangle;
454 // flip angles if v_flipped is enabled
455 if(autocvar_v_flipped)
458 wishangle = -wishangle;
461 // determine whether the player is strafing left or right
464 direction = wishangle > 0 ? 1 : -1;
468 direction = (angle > antiflicker_angle && angle < (180 - antiflicker_angle)) ? 1 : (angle < -antiflicker_angle && angle > (-180 + antiflicker_angle)) ? -1 : 0;
471 // best angle to strafe at
472 bestangle = (speed > fabs(movespeed - maxaccel) ? acos(fabs(movespeed - maxaccel) / speed) * RAD2DEG * (direction < 0 ? -1 : 1) : 0);
473 prebestangle = (speed > fabs(movespeed) ? acos(fabs(movespeed) / speed) * RAD2DEG * (direction < 0 ? -1 : 1) : 0);
474 odd_bestangle = -bestangle - wishangle;
475 bestangle -= wishangle;
476 prebestangle -= wishangle;
478 // various offsets and size calculations of hud indicator elements
479 // how much is hidden by the current hud angle
480 hidden_width = (360 - hudangle) / hudangle * panel_size.x;
482 currentangle_size.x = autocvar_hud_panel_strafehud_angle_width;
483 currentangle_size.y = autocvar_hud_panel_strafehud_angle_height;
484 if(!autocvar_hud_panel_strafehud_uncapped)
486 currentangle_size.x = min(currentangle_size.x, 10);
487 currentangle_size.y = min(currentangle_size.y, 10);
489 currentangle_size.x *= panel_size.x;
490 currentangle_size.y *= panel_size.y;
491 if(!autocvar_hud_panel_strafehud_uncapped)
493 currentangle_size.x = max(currentangle_size.x, 1);
494 currentangle_size.y = max(currentangle_size.y, 1);
498 currentangle_size.y = max(currentangle_size.y, 0);
502 currentangle_offset = angle/hudangle * panel_size.x;
506 currentangle_offset = bound(-hudangle/2, angle, hudangle/2)/hudangle * panel_size.x + panel_size.x/2;
508 // best strafe acceleration angle
509 bestangle_offset = bestangle/hudangle * panel_size.x + panel_size.x/2;
510 switch_bestangle_offset = -bestangle/hudangle * panel_size.x + panel_size.x/2;
511 bestangle_width = panel_size.x * autocvar_hud_panel_strafehud_switch_width;
512 if(!autocvar_hud_panel_strafehud_uncapped)
513 bestangle_width = max(bestangle_width, 1);
515 if(((angle > -wishangle && direction < 0) || (angle < -wishangle && direction > 0)) && (direction != 0))
518 odd_bestangle_offset = odd_bestangle/hudangle * panel_size.x + panel_size.x/2;
519 switch_odd_bestangle_offset = (odd_bestangle+bestangle*2)/hudangle * panel_size.x + panel_size.x/2;
521 // direction indicator
522 direction_size_vertical.x = autocvar_hud_panel_strafehud_direction_width;
523 if(!autocvar_hud_panel_strafehud_uncapped)
524 direction_size_vertical.x = min(direction_size_vertical.x, 1);
525 direction_size_vertical.x *= panel_size.y;
526 if(!autocvar_hud_panel_strafehud_uncapped)
527 direction_size_vertical.x = max(direction_size_vertical.x, 1);
528 direction_size_vertical.y = panel_size.y + direction_size_vertical.x*2;
529 direction_size_horizontal.x = panel_size.x * min(autocvar_hud_panel_strafehud_direction_length, .5);
530 direction_size_horizontal.y = direction_size_vertical.x;
532 overturn_width = 180/hudangle * panel_size.x;
534 // the neutral zone fills the whole strafe bar
538 if(panel_size.x > 0 && panel_size.y > 0 && autocvar_hud_panel_strafehud_bar_neutral_alpha * panel_fg_alpha > 0)
540 switch(autocvar_hud_panel_strafehud_style)
544 drawfill(panel_pos, panel_size, autocvar_hud_panel_strafehud_bar_neutral_color, autocvar_hud_panel_strafehud_bar_neutral_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
548 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);
554 // calculate various zones of the strafe-o-meter
555 accelzone_width = (90 - fabs(bestangle + wishangle))/hudangle * panel_size.x;
556 preaccelzone_width = (fabs(bestangle - prebestangle))/hudangle * panel_size.x;
557 overturn_offset = accelzone_width + preaccelzone_width;
558 accelzone_right_offset = preaccelzone_width;
559 accelzone_left_offset = overturn_offset + overturn_width;
560 preaccelzone_right_offset = 0;
561 preaccelzone_left_offset = accelzone_left_offset + accelzone_width;
562 neutral_width = 360/hudangle * panel_size.x - accelzone_width*2 - preaccelzone_width*2 - overturn_width;
563 neutral_offset = direction < 0 ? preaccelzone_left_offset + preaccelzone_width : -neutral_width;
565 // shift hud if operating in view angle centered mode
568 shift_offset = -currentangle_offset;
569 bestangle_offset += shift_offset;
570 switch_bestangle_offset += shift_offset;
571 odd_bestangle_offset += shift_offset;
572 switch_odd_bestangle_offset += shift_offset;
574 if(direction < 0) shift_offset += -360/hudangle * panel_size.x;
575 // calculate how far off-center the strafe zones currently are
576 shift_offset += (panel_size.x + neutral_width)/2 - wishangle/hudangle * panel_size.x;
577 // shift strafe zones into correct place
578 neutral_offset += shift_offset;
579 accelzone_left_offset += shift_offset;
580 accelzone_right_offset += shift_offset;
581 preaccelzone_left_offset += shift_offset;
582 preaccelzone_right_offset += shift_offset;
583 overturn_offset += shift_offset;
585 // draw left acceleration zone
586 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);
587 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);
589 // draw right acceleration zone
590 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);
591 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);
593 // draw overturn zone
594 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);
597 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);
599 if(speed >= minspeed && bestangle_width > 0) // only draw indicators if minspeed is reached
601 // draw the switch indicator(s)
602 float offset = !odd_angles ? bestangle_offset : odd_bestangle_offset;
603 float switch_offset = !odd_angles ? switch_bestangle_offset : switch_odd_bestangle_offset;
605 // remove switch indicator width from offset
609 offset -= bestangle_width;
611 switch_offset -= bestangle_width;
616 switch_offset -= bestangle_width;
618 offset -= bestangle_width;
621 HUD_Panel_DrawStrafeHUD(switch_offset, bestangle_width, autocvar_hud_panel_strafehud_switch_color, autocvar_hud_panel_strafehud_switch_alpha * panel_fg_alpha, 0, 0);
622 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);
627 slickdetector_height = max(autocvar_hud_panel_strafehud_slickdetector_height, 0);
628 if(!autocvar_hud_panel_strafehud_uncapped)
629 slickdetector_height = min(slickdetector_height, 1);
630 slickdetector_height *= panel_size.y;
631 if(autocvar_hud_panel_strafehud_slickdetector_range > 0 && autocvar_hud_panel_strafehud_slickdetector_alpha > 0 && slickdetector_height > 0 && panel_size.x > 0)
633 float slicksteps = max(autocvar_hud_panel_strafehud_slickdetector_granularity, 0);
634 bool slickdetected = false;
636 if(!autocvar_hud_panel_strafehud_uncapped)
637 slicksteps = min(slicksteps, 4);
638 slicksteps = 90 / pow(2, slicksteps);
640 if(islocal) slickdetected = IS_ONSLICK(strafeplayer); // don't need to traceline if already touching slick
642 // traceline into every direction
643 trace_dphitq3surfaceflags = 0;
644 for(float i = 0; i < 360 && !slickdetected; i += slicksteps)
648 slickoffset.z = -cos(i * DEG2RAD) * autocvar_hud_panel_strafehud_slickdetector_range;
649 slickrotate = sin(i * DEG2RAD) * autocvar_hud_panel_strafehud_slickdetector_range;
650 if(i != 0 && i != 180)
652 for(float j = 0; j < 180 && !slickdetected; j += slicksteps)
654 slickoffset.x = sin(j * DEG2RAD) * slickrotate;
655 slickoffset.y = cos(j * DEG2RAD) * slickrotate;
657 traceline(strafeplayer.origin, strafeplayer.origin + slickoffset, MOVE_WORLDONLY, NULL);
658 if((PHYS_FRICTION(strafeplayer) == 0 && trace_fraction < 1) || trace_dphitq3surfaceflags & Q3SURFACEFLAG_SLICK) slickdetected = true;
663 slickoffset.x = slickoffset.y = 0;
664 traceline(strafeplayer.origin, strafeplayer.origin + slickoffset, MOVE_WORLDONLY, NULL);
665 if((PHYS_FRICTION(strafeplayer) == 0 && trace_fraction < 1) || trace_dphitq3surfaceflags & Q3SURFACEFLAG_SLICK) slickdetected = true;
669 // if a traceline hit a slick surface
672 vector slickdetector_size = panel_size;
673 slickdetector_size.y = slickdetector_height;
674 // top horizontal line
675 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);
676 // bottom horizontal line
677 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);
681 if(direction != 0 && direction_size_vertical.x > 0 && autocvar_hud_panel_strafehud_direction_alpha * panel_fg_alpha > 0)
683 bool indicator_direction = direction < 0;
684 // invert left/right when strafing backwards or when strafing towards the opposite side indicated by the direction variable
685 // if both conditions are true then it's inverted twice hence not inverted at all
686 if(!fwd != odd_angles)
688 indicator_direction = !indicator_direction;
690 // draw the direction indicator caps at the sides of the hud
692 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);
693 // top horizontal line
694 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);
695 // bottom horizontal line
696 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);
699 if(speed <= (fabs(movespeed - maxaccel) + antiflicker_speed) && !immobile)
701 bestangle_anywhere = true; // moving forward should suffice to gain speed
704 // draw the actual strafe angle
705 if(!bestangle_anywhere && !immobile) // player gains speed with strafing
707 if((direction > 0 && (angle >= bestangle || angle <= -(bestangle + wishangle*2))) ||
708 (direction < 0 && (angle <= bestangle || angle >= -(bestangle + wishangle*2))))
709 currentangle_color = autocvar_hud_panel_strafehud_angle_accel_color;
712 if(fabs(angle + wishangle) > 90) // player is overturning
714 currentangle_color = autocvar_hud_panel_strafehud_angle_overturn_color;
716 else if(bestangle_anywhere) // player gains speed without strafing
718 currentangle_color = autocvar_hud_panel_strafehud_angle_accel_color;
721 if(mode == 0 || straight_overturn)
723 currentangle_offset = panel_size.x/2;
726 if(autocvar_hud_panel_strafehud_style == 2 && !immobile)
728 float moveangle = angle + wishangle;
729 float strafeangle = (bestangle + wishangle) * (direction < 0 ? -1 : 1);
730 float strafe_ratio = 0;
731 if(fabs(moveangle) > 90)
733 strafe_ratio = -((fabs(moveangle) - 90) / 90);
734 if(strafe_ratio < -1) strafe_ratio = -2 - strafe_ratio;
738 if(moveangle >= strafeangle)
740 strafe_ratio = 1 - (moveangle - strafeangle) / (90 - strafeangle);
742 else if(moveangle <= -strafeangle)
744 strafe_ratio = 1 - (moveangle + strafeangle) / (-90 + strafeangle);
749 currentangle_color = StrafeHUD_mixColors(autocvar_hud_panel_strafehud_angle_neutral_color, autocvar_hud_panel_strafehud_angle_overturn_color, -strafe_ratio);
753 currentangle_color = StrafeHUD_mixColors(autocvar_hud_panel_strafehud_angle_neutral_color, autocvar_hud_panel_strafehud_angle_accel_color, strafe_ratio);
757 float angleheight_offset = currentangle_size.y;
758 float ghost_offset = 0;
759 if(autocvar_hud_panel_strafehud_bestangle && direction != 0)
761 ghost_offset = !odd_angles ? bestangle_offset : odd_bestangle_offset;
762 if(ghost_offset < 0) ghost_offset = 0;
763 if(ghost_offset > panel_size.x) ghost_offset = panel_size.x;
766 switch(autocvar_hud_panel_strafehud_angle_style)
769 if(currentangle_size.x > 0 && currentangle_size.y > 0)
771 if(autocvar_hud_panel_strafehud_bestangle && direction != 0) drawfill(panel_pos - eY * ((currentangle_size.y - panel_size.y) / 2) + eX * (ghost_offset - currentangle_size.x/2), currentangle_size, autocvar_hud_panel_strafehud_bestangle_color, autocvar_hud_panel_strafehud_bestangle_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
772 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);
776 if(currentangle_size.x > 0 && currentangle_size.y > 0)
778 vector line_size = currentangle_size;
779 line_size.y = currentangle_size.y / (bound(2, autocvar_hud_panel_strafehud_angle_dashes, currentangle_size.y)*2-1);
780 for(float i = 0; i < currentangle_size.y; i += line_size.y*2)
782 if(i + line_size.y*2 >= currentangle_size.y) line_size.y = currentangle_size.y - i;
783 if(autocvar_hud_panel_strafehud_bestangle && direction != 0) drawfill(panel_pos - eY * ((currentangle_size.y - panel_size.y) / 2 - i) + eX * (ghost_offset - line_size.x/2), line_size, autocvar_hud_panel_strafehud_bestangle_color, autocvar_hud_panel_strafehud_bestangle_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
784 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);
790 // don't offset text and arrows if the angle indicator line isn't drawn
791 angleheight_offset = panel_size.y;
794 if(autocvar_hud_panel_strafehud_angle_arrow > 0)
798 if(autocvar_hud_panel_strafehud_angle_arrow == 1 || autocvar_hud_panel_strafehud_angle_arrow >= 3)
800 if(autocvar_hud_panel_strafehud_bestangle && direction != 0) StrafeHUD_drawStrafeArrow(panel_pos + eY * ((panel_size.y - angleheight_offset) / 2) + eX * ghost_offset, arrow_size, autocvar_hud_panel_strafehud_bestangle_color, autocvar_hud_panel_strafehud_bestangle_alpha * panel_fg_alpha, true);
801 StrafeHUD_drawStrafeArrow(panel_pos + eY * ((panel_size.y - angleheight_offset) / 2) + eX * currentangle_offset, arrow_size, currentangle_color, autocvar_hud_panel_strafehud_angle_alpha * panel_fg_alpha, true);
803 if(autocvar_hud_panel_strafehud_angle_arrow >= 2)
805 if(autocvar_hud_panel_strafehud_bestangle && direction != 0) StrafeHUD_drawStrafeArrow(panel_pos + eY * ((panel_size.y - angleheight_offset) / 2 + angleheight_offset) + eX * ghost_offset, arrow_size, autocvar_hud_panel_strafehud_bestangle_color, autocvar_hud_panel_strafehud_bestangle_alpha * panel_fg_alpha, false);
806 StrafeHUD_drawStrafeArrow(panel_pos + eY * ((panel_size.y - angleheight_offset) / 2 + angleheight_offset) + 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);
842 float text_offset = 0;
843 if((autocvar_hud_panel_strafehud_angle_alpha * panel_fg_alpha > 0) || (autocvar_hud_panel_strafehud_bestangle && autocvar_hud_panel_strafehud_bestangle_alpha * panel_fg_alpha > 0))
845 text_offset = (angleheight_offset - panel_size.y) / 2;
846 if(arrow_size > 0 && autocvar_hud_panel_strafehud_angle_arrow >= 2)
847 text_offset += arrow_size;
848 // make sure text doesn't draw inside the strafehud bar
849 text_offset = max(text_offset, 0);
852 string speed_unit = GetSpeedUnit(autocvar_hud_panel_strafehud_unit);
853 drawstring_aspect(panel_pos + eY * (panel_size.y + text_offset), 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);
862 // show height achieved by a single jump
863 if(autocvar_hud_panel_strafehud_jumpheight_fade > 0 && autocvar_hud_panel_strafehud_jumpheight_size > 0)
865 static float height_min = 0, height_max = 0; // ground and peak of jump z coordinates
866 static float jumpheight = 0, jumptime = 0; // displayed value and timestamp for fade out
868 // tries to catch kill and spectate but those are not reliable, should just hook to kill/spectate/teleport and reset jump height there
869 if((strafeplayer.velocity.z <= 0 && height_max >= strafeplayer.origin.z) || onground || swimming || IS_DEAD(strafeplayer) || spectating)
871 height_min = height_max = strafeplayer.origin.z;
873 else if(strafeplayer.origin.z > height_max)
875 height_max = strafeplayer.origin.z;
876 jumpheight = (height_max - height_min) * length_conversion_factor;
878 if(jumpheight > max(autocvar_hud_panel_strafehud_jumpheight_min, 0))
882 if((time - jumptime) <= autocvar_hud_panel_strafehud_jumpheight_fade)
884 float text_alpha = cos(((time - jumptime) / autocvar_hud_panel_strafehud_jumpheight_fade) * 90 * DEG2RAD); // fade non-linear like the physics panel does
885 vector jumpheight_size = panel_size;
886 jumpheight_size.y = autocvar_hud_panel_strafehud_jumpheight_size;
887 if(!autocvar_hud_panel_strafehud_uncapped)
888 jumpheight_size.y = min(jumpheight_size.y, 10);
889 jumpheight_size.y *= panel_size.y;
890 if(!autocvar_hud_panel_strafehud_uncapped)
891 jumpheight_size.y = max(jumpheight_size.y, 1);
893 float text_offset = 0;
894 if((autocvar_hud_panel_strafehud_angle_alpha * panel_fg_alpha > 0) || (autocvar_hud_panel_strafehud_bestangle && autocvar_hud_panel_strafehud_bestangle_alpha * panel_fg_alpha > 0))
896 text_offset = (angleheight_offset - panel_size.y) / 2;
897 if(arrow_size > 0 && autocvar_hud_panel_strafehud_angle_arrow == 1 || autocvar_hud_panel_strafehud_angle_arrow >= 3)
898 text_offset += arrow_size;
899 // make sure text doesn't draw inside the strafehud bar
900 text_offset = max(text_offset, 0);
903 string length_unit = GetLengthUnit(autocvar_hud_panel_strafehud_unit);
904 drawstring_aspect(panel_pos - eY * (jumpheight_size.y + text_offset), strcat(ftos_decimals(jumpheight, 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);
911 // functions to make hud elements align perfectly in the hud area
912 void HUD_Panel_DrawStrafeHUD(float offset, float width, vector color, float alpha, int type, int gradientType)
914 float mirror_offset, mirror_width;
915 vector size = panel_size;
916 vector mirror_size = panel_size;
918 float gradient_offset, gradient_mirror_offset;
919 float overflow_width = 0, overflow_mirror_width = 0;
921 float original_width = width;
923 if(alpha <= 0 && type != 2 || width <= 0) return;
925 if(type == 2 && gradientType == 0) type = 0;
929 mirror_width = min(fabs(offset), width);
930 mirror_offset = panel_size.x + hidden_width - fabs(offset);
936 mirror_width = min(offset + width - panel_size.x - hidden_width, width);
937 mirror_offset = max(offset - panel_size.x - hidden_width, 0);
940 if(width < 0) width = 0;
941 if((offset + width) > panel_size.x)
943 overflow_width = (offset + width) - panel_size.x;
944 width = panel_size.x - offset;
946 if(mirror_offset < 0)
948 mirror_width += mirror_offset;
952 if(mirror_width < 0) mirror_width = 0;
953 if((mirror_offset + mirror_width) > panel_size.x)
955 overflow_mirror_width = (mirror_offset + mirror_width) - panel_size.x;
956 mirror_width = panel_size.x - mirror_offset;
959 if(direction < 0) // swap mirror and non-mirror values if direction points left
961 offset += mirror_offset;
962 mirror_offset = offset - mirror_offset;
963 offset -= mirror_offset;
965 width += mirror_width;
966 mirror_width = width - mirror_width;
967 width -= mirror_width;
969 overflow_width += overflow_mirror_width;
970 overflow_mirror_width = overflow_width - overflow_mirror_width;
971 overflow_width -= overflow_mirror_width;
975 mirror_size.x = mirror_width;
980 case 0: // no styling (drawfill)
981 if(mirror_size.x > 0 && mirror_size.y > 0) drawfill(panel_pos + eX * mirror_offset, mirror_size, color, alpha, DRAWFLAG_NORMAL);
982 if(size.x > 0 && size.y > 0) drawfill(panel_pos + eX * offset, size, color, alpha, DRAWFLAG_NORMAL);
985 case 1: // progress bar style
986 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);
987 if(size.x > 0 && size.y > 0) HUD_Panel_DrawProgressBar(panel_pos + eX * offset, size, "progressbar", 1, 0, 0, color, alpha, DRAWFLAG_NORMAL);
990 case 2: // gradient style (types: 1 = left, 2 = right, 3 = both)
991 // determine whether the gradient starts in the mirrored or the non-mirrored area
992 if(offset == 0 && mirror_offset == 0) gradient_start = width > mirror_width ? 2 : 1;
993 else if(offset == 0) gradient_start = 2;
994 else if(mirror_offset == 0) gradient_start = 1;
995 else gradient_start = 0;
997 switch(gradient_start){
999 case 0: // no offset required
1000 gradient_offset = gradient_mirror_offset = 0;
1002 case 1: // offset starts in non-mirrored area, mirrored area requires offset
1003 gradient_offset = 0;
1004 gradient_mirror_offset = original_width - (mirror_width + overflow_mirror_width);
1006 case 2: // offset starts in mirrored area, non-mirrored area requires offset
1007 gradient_offset = original_width - (width + overflow_width);
1008 gradient_mirror_offset = 0;
1011 StrafeHUD_drawGradient(color, autocvar_hud_panel_strafehud_bar_neutral_color, mirror_size, original_width, mirror_offset, alpha, gradient_mirror_offset, gradientType);
1012 StrafeHUD_drawGradient(color, autocvar_hud_panel_strafehud_bar_neutral_color, size, original_width, offset, alpha, gradient_offset, gradientType);
1016 vector StrafeHUD_mixColors(vector color1, vector color2, float ratio)
1019 if(ratio <= 0) return color1;
1020 if(ratio >= 1) return color2;
1021 mixedColor.x = color1.x + (color2.x - color1.x) * ratio;
1022 mixedColor.y = color1.y + (color2.y - color1.y) * ratio;
1023 mixedColor.z = color1.z + (color2.z - color1.z) * ratio;
1027 void StrafeHUD_drawGradient(vector color1, vector color2, vector size, float original_width, float offset, float alpha, float gradientOffset, int gradientType)
1029 float color_ratio, alpha1, alpha2;
1030 vector gradient_size = size;
1031 alpha1 = bound(0, alpha, 1);
1032 alpha2 = bound(0, autocvar_hud_panel_strafehud_bar_neutral_alpha, 1);
1033 if((alpha1+alpha2) == 0) return;
1034 color_ratio = alpha1/(alpha1+alpha2);
1035 for(int i = 0; i < size.x; ++i)
1037 float ratio, alpha_ratio, combine_ratio1, combine_ratio2;
1038 gradient_size.x = size.x - i < 1 ? size.x - i : 1;
1039 ratio = (i + gradientOffset) / original_width * (gradientType == 3 ? 2 : 1);
1040 if(ratio > 1) ratio = 2 - ratio;
1041 if(gradientType != 2) ratio = 1 - ratio;
1042 alpha_ratio = alpha1 - (alpha1 - alpha2) * ratio;
1043 combine_ratio1 = ratio*(1-color_ratio);
1044 combine_ratio2 = (1-ratio)*color_ratio;
1045 ratio = (combine_ratio1 + combine_ratio2) == 0 ? 1 : combine_ratio1/(combine_ratio1 + combine_ratio2);
1046 if(alpha_ratio > 0) drawfill(panel_pos + eX * (offset + i), gradient_size, StrafeHUD_mixColors(color1, color2, ratio), alpha_ratio, DRAWFLAG_NORMAL);
1050 // draw the strafe arrows (inspired by drawspritearrow() in common/mutators/mutator/waypoints/waypointsprites.qc)
1051 void StrafeHUD_drawStrafeArrow(vector origin, float size, vector color, float alpha, bool flipped)
1053 if(flipped) origin -= size*eY;
1054 R_BeginPolygon("", DRAWFLAG_NORMAL, true);
1055 R_PolygonVertex(origin + (flipped ? size*eY : '0 0 0') , '0 0 0', color, alpha);
1056 R_PolygonVertex(origin + (flipped ? '0 0 0' : size*eY) - size*eX, '0 0 0', color, alpha);
1057 R_PolygonVertex(origin + (flipped ? '0 0 0' : size*eY) + size*eX, '0 0 0', color, alpha);
1061 // length unit conversion (km and miles are only included to match the GetSpeedUnit* functions)
1062 float GetLengthUnitFactor(int length_unit)
1068 case 2: return 0.0254;
1069 case 3: return 0.0254 * 0.001;
1070 case 4: return 0.0254 * 0.001 * 0.6213711922;
1071 case 5: return 0.0254 * 0.001 * 0.5399568035;
1075 string GetLengthUnit(int length_unit)
1079 // translator-friendly strings without the initial space
1081 case 1: return strcat(" ", _("qu"));
1082 case 2: return strcat(" ", _("m"));
1083 case 3: return strcat(" ", _("km"));
1084 case 4: return strcat(" ", _("mi"));
1085 case 5: return strcat(" ", _("nmi"));