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;
35 bool state_fwd = true;
36 bool state_fwd_prev = true;
37 float state_fwd_time = 0;
39 float startspeed = -1;
41 float jumpheight = -1;
42 float jumpheight_persistent = -1;
43 float jumpheight_prev = 0;
44 float jumpspeed_prev = 0;
45 bool jumprestart = true;
47 // provide basic panel cvars to old clients
48 // TODO remove them after a future release (0.8.2+)
49 noref string autocvar_hud_panel_strafehud_pos = "0.320000 0.570000";
50 noref string autocvar_hud_panel_strafehud_size = "0.360000 0.020000";
51 noref string autocvar_hud_panel_strafehud_bg = "0";
52 noref string autocvar_hud_panel_strafehud_bg_color = "";
53 noref string autocvar_hud_panel_strafehud_bg_color_team = "";
54 noref string autocvar_hud_panel_strafehud_bg_alpha = "0.7";
55 noref string autocvar_hud_panel_strafehud_bg_border = "";
56 noref string autocvar_hud_panel_strafehud_bg_padding = "";
63 // generic hud routines
64 if(!autocvar__hud_configure)
66 if(!autocvar_hud_panel_strafehud ||
67 (spectatee_status == -1 && (autocvar_hud_panel_strafehud == 1 || autocvar_hud_panel_strafehud == 3)) ||
68 (autocvar_hud_panel_strafehud == 3 && !MUTATOR_CALLHOOK(HUD_StrafeHUD_showoptional))) return;
71 HUD_Panel_LoadCvars();
73 if(autocvar_hud_panel_strafehud_dynamichud)
86 panel_pos += '1 1 0' * panel_bg_padding;
87 panel_size -= '2 2 0' * panel_bg_padding;
90 // find out whether the local csqcmodel entity is valid
91 if(spectatee_status > 0 || isdemo())
94 strafeplayer = CSQCModel_server2csqc(player_localentnum - 1);
99 strafeplayer = csqcplayer;
103 if(csqcplayer && strafeplayer)
106 bool onground = islocal ? IS_ONGROUND(strafeplayer) : !(strafeplayer.anim_implicit_state & ANIMIMPLICITSTATE_INAIR);
108 bool swimming = strafeplayer.waterlevel >= WATERLEVEL_SWIMMING;
109 bool spectating = entcs_GetSpecState(strafeplayer.sv_entnum) == ENTCS_SPEC_PURE;
110 float speed = !autocvar__hud_configure ? vlen(vec2(csqcplayer.velocity)) : 1337; // use local csqcmodel entity for this even when spectating, flickers too much otherwise
111 float maxspeed_crouch_mod = IS_DUCKED(strafeplayer) && !swimming ? .5 : 1;
112 float maxspeed_water_mod = swimming ? .7 : 1; // very simplified water physics, the hud will not work well (and is not supposed to) while swimming
113 float maxspeed_phys = onground ? PHYS_MAXSPEED(strafeplayer) : PHYS_MAXAIRSPEED(strafeplayer);
114 float maxspeed = !autocvar__hud_configure ? maxspeed_phys * maxspeed_crouch_mod * maxspeed_water_mod : 320;
115 float vel_angle = vectoangles(strafeplayer.velocity).y;
116 float view_angle = PHYS_INPUT_ANGLES(strafeplayer).y + 180;
118 vector movement = PHYS_INPUT_MOVEVALUES(strafeplayer);
119 int keys = STAT(PRESSED_KEYS);
124 int mode = autocvar_hud_panel_strafehud_mode >= 0 && autocvar_hud_panel_strafehud_mode <= 1 ? autocvar_hud_panel_strafehud_mode : 0;
125 float speed_conversion_factor = GetSpeedUnitFactor(autocvar_hud_panel_strafehud_unit);
126 float length_conversion_factor = GetLengthUnitFactor(autocvar_hud_panel_strafehud_unit);
127 string speed_unit = GetSpeedUnit(autocvar_hud_panel_strafehud_unit);
128 string length_unit = GetLengthUnit(autocvar_hud_panel_strafehud_unit);
129 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
130 float antiflicker_angle = bound(0, autocvar_hud_panel_strafehud_antiflicker_angle, 180);
131 float antiflicker_speed = max(0, autocvar_hud_panel_strafehud_antiflicker_speed);
133 float shift_offset = 0;
134 bool straight_overturn = false;
135 bool immobile = speed <= (swimming ? antiflicker_speed : 0);
137 float neutral_offset;
139 vector currentangle_color = autocvar_hud_panel_strafehud_angle_neutral_color;
140 float currentangle_offset;
141 vector currentangle_size = '0 0 0';
144 bool bestangle_anywhere = false;
145 float bestangle_offset;
146 float switch_bestangle_offset;
147 bool odd_angles = false;
148 float odd_bestangle_offset = 0;
149 float switch_odd_bestangle_offset = 0;
150 float bestangle_width;
151 float accelzone_left_offset;
152 float accelzone_right_offset;
153 float accelzone_width;
154 float overturn_offset;
155 float overturn_width;
156 float slickdetector_height;
157 vector direction_size_vertical = '0 0 0';
158 vector direction_size_horizontal = '0 0 0';
159 float range_minangle;
161 // determine whether the player is pressing forwards or backwards keys
162 if(islocal) // if entity is local player
168 else if(movement.x < 0)
177 else // alternatively determine direction by querying pressed keys
179 if((keys & KEY_FORWARD) && !(keys & KEY_BACKWARD))
183 else if(!(keys & KEY_FORWARD) && (keys & KEY_BACKWARD))
193 // determine player wishdir
194 if(islocal) // if entity is local player
202 else if(movement.y > 0)
219 wishangle = RAD2DEG * atan2(movement.y, movement.x);
220 // wrap the wish angle if it exceeds ±90°
221 if(fabs(wishangle) > 90)
223 if(wishangle < 0) wishangle += 180;
224 else wishangle -= 180;
225 wishangle = -wishangle;
230 else // alternatively calculate wishdir by querying pressed keys
232 if(keys & KEY_FORWARD || keys & KEY_BACKWARD)
244 else if(!(keys & KEY_RIGHT))
246 wishangle = 0; // wraps at 180°
250 strafekeys = fabs(wishangle) == 90;
252 // determine minimum required angle to display full strafe range
253 range_minangle = fabs(wishangle) % 90; // maximum range is 90 degree
254 if(range_minangle > 45) // minimum angle range is 45
256 range_minangle = 45 - fabs(wishangle) % 45;
258 range_minangle = 90 - range_minangle; // calculate value which is never >90 or <45
259 range_minangle *= 2; // multiply to accommodate for both sides of the hud
261 if(autocvar_hud_panel_strafehud_range == 0)
263 if(autocvar__hud_configure)
269 hudangle = range_minangle; // use minimum angle required if dynamically setting hud angle
274 hudangle = bound(0, fabs(autocvar_hud_panel_strafehud_range), 360); // limit HUD range to 360 degrees, higher values don't make sense
277 // detect air strafe turning
278 if(onground != state_onground)
280 state_onground_time = time;
282 state_onground = onground;
284 if(strafekeys != state_strafekeys)
286 state_strafekeys_time = time;
288 state_strafekeys = strafekeys;
290 if((keys & KEY_FORWARD) || (keys & KEY_BACKWARD) || swimming || autocvar__hud_configure)
296 if((time - state_onground_time) >= autocvar_hud_panel_strafehud_timeout_ground) // timeout for strafe jumping in general
301 else // air strafe only
305 if(((time - state_onground_time) >= autocvar_hud_panel_strafehud_timeout_air) || (keys & KEY_JUMP)) // timeout for slick ramps
307 turn = true; // CPMA turning
308 turnangle = wishangle;
311 else if((time - state_strafekeys_time) >= autocvar_hud_panel_strafehud_timeout_turn) // timeout for jumping with strafe keys only
318 maxspeed = PHYS_MAXAIRSTRAFESPEED(strafeplayer); // no modifiers here because they don't affect air strafing
319 wishangle = turnangle;
322 minspeed = autocvar_hud_panel_strafehud_switch_minspeed < 0 ? maxspeed + antiflicker_speed : autocvar_hud_panel_strafehud_switch_minspeed;
324 // get current strafing angle ranging from -180° to +180°
325 if(!autocvar__hud_configure)
329 // calculate view angle relative to the players current velocity direction
330 angle = vel_angle - view_angle;
332 // if the angle goes above 180° or below -180° wrap it to the opposite side
333 if (angle > 180) angle -= 360;
334 else if(angle < -180) angle += 360;
336 // shift the strafe angle by 180° for hud calculations
337 if(angle < 0) angle += 180;
340 // determine whether the player is strafing forwards or backwards
341 // if the player isn't strafe turning use forwards/backwards keys to determine direction
348 else if(keys_fwd < 0)
354 state_fwd = fabs(angle) <= 90;
357 // otherwise determine by examining the strafe angle
360 if(wishangle < 0) // detect direction using wishangle since the direction is not yet set
362 state_fwd = angle <= -wishangle;
366 state_fwd = angle >= -wishangle;
370 if(state_fwd_prev != state_fwd)
372 state_fwd_time = time;
374 state_fwd_prev = state_fwd;
376 if((time - state_fwd_time) >= autocvar_hud_panel_strafehud_timeout_direction || speed < maxspeed || (strafekeys && mode == 0)) // timeout when changing between forwards and backwards movement
381 // shift the strafe angle by 180° when strafing backwards
384 if(angle < 0) angle += 180;
388 // don't make the angle indicator switch side too much at ±180° if anti flicker is turned on
389 if(angle > (180 - antiflicker_angle) || angle < (-180 + antiflicker_angle))
391 straight_overturn = true;
399 else // simulate turning for HUD setup
402 if(autocvar__hud_panel_strafehud_demo && ((time - demo_time) >= .025))
405 demo_angle += demo_direction;
406 if(fabs(demo_angle) >= 55)
408 demo_direction = -demo_direction;
412 wishangle = 45 * (demo_angle > 0 ? 1 : -1);
415 // invert the wish angle when strafing backwards
418 wishangle = -wishangle;
421 // flip angles if v_flipped is enabled
422 if(autocvar_v_flipped)
425 wishangle = -wishangle;
428 // determine whether the player is strafing left or right
431 direction = wishangle > 0 ? 1 : -1;
435 direction = (angle > antiflicker_angle && angle < (180 - antiflicker_angle)) ? 1 : (angle < -antiflicker_angle && angle > (-180 + antiflicker_angle)) ? -1 : 0;
438 // best angle to strafe at
439 bestangle = (speed > maxspeed ? acos(maxspeed / speed) : 0) * RAD2DEG * (direction < 0 ? -1 : 1);
440 odd_bestangle = -bestangle - wishangle;
441 bestangle -= wishangle;
443 // various offsets and size calculations of hud indicator elements
444 // how much is hidden by the current hud angle
445 hidden_width = (360 - hudangle) / hudangle * panel_size.x;
447 currentangle_size.x = max(panel_size.x * autocvar_hud_panel_strafehud_angle_width, 1);
450 currentangle_offset = angle/hudangle * panel_size.x;
454 currentangle_offset = bound(-hudangle/2, angle, hudangle/2)/hudangle * panel_size.x + panel_size.x/2;
456 currentangle_size.y = max(panel_size.y * min(autocvar_hud_panel_strafehud_angle_height, 2), 1);
457 // best strafe acceleration angle
458 bestangle_offset = bestangle/hudangle * panel_size.x + panel_size.x/2;
459 switch_bestangle_offset = -bestangle/hudangle * panel_size.x + panel_size.x/2;
460 bestangle_width = max(panel_size.x * autocvar_hud_panel_strafehud_switch_width, 1);
462 if(((angle > -wishangle && direction < 0) || (angle < -wishangle && direction > 0)) && (direction != 0))
465 odd_bestangle_offset = odd_bestangle/hudangle * panel_size.x + panel_size.x/2;
466 switch_odd_bestangle_offset = (odd_bestangle+bestangle*2)/hudangle * panel_size.x + panel_size.x/2;
468 // direction indicator
469 direction_size_vertical.x = max(panel_size.y * min(autocvar_hud_panel_strafehud_direction_width, .5), 1);
470 direction_size_vertical.y = panel_size.y;
471 direction_size_horizontal.x = max(panel_size.x * min(autocvar_hud_panel_strafehud_direction_length, .5), direction_size_vertical.x);
472 direction_size_horizontal.y = direction_size_vertical.x;
474 overturn_width = 180/hudangle * panel_size.x;
476 // the neutral zone fills the whole strafe bar
480 if(panel_size.x > 0 && panel_size.y > 0 && autocvar_hud_panel_strafehud_bar_neutral_alpha * panel_fg_alpha > 0)
482 switch(autocvar_hud_panel_strafehud_style)
486 drawfill(panel_pos, panel_size, autocvar_hud_panel_strafehud_bar_neutral_color, autocvar_hud_panel_strafehud_bar_neutral_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
490 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);
496 // calculate various zones of the strafe-o-meter
497 accelzone_width = overturn_offset = (90 - fabs(bestangle + wishangle))/hudangle * panel_size.x;
498 accelzone_right_offset = 0;
499 accelzone_left_offset = overturn_offset + overturn_width;
500 neutral_width = 360/hudangle * panel_size.x - accelzone_width*2 - overturn_width;
501 neutral_offset = direction < 0 ? accelzone_left_offset + accelzone_width : -neutral_width;
503 // remove switch indicator width from offset
506 bestangle_offset -= bestangle_width;
507 switch_odd_bestangle_offset -= bestangle_width;
511 switch_bestangle_offset -= bestangle_width;
512 odd_bestangle_offset -= bestangle_width;
515 // shift hud if operating in view angle centered mode
518 shift_offset = -currentangle_offset;
519 bestangle_offset += shift_offset;
520 switch_bestangle_offset += shift_offset;
521 odd_bestangle_offset += shift_offset;
522 switch_odd_bestangle_offset += shift_offset;
524 if(direction < 0) shift_offset += -360/hudangle * panel_size.x;
525 // calculate how far off-center the strafe zones currently are
526 shift_offset += (panel_size.x + neutral_width)/2 - wishangle/hudangle * panel_size.x;
527 // shift strafe zones into correct place
528 neutral_offset += shift_offset;
529 accelzone_left_offset += shift_offset;
530 accelzone_right_offset += shift_offset;
531 overturn_offset += shift_offset;
533 // draw left acceleration zone
534 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);
536 // draw right acceleration zone
537 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);
539 // draw overturn zone
540 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);
543 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);
545 if(direction != 0 && direction_size_vertical.x > 0 && autocvar_hud_panel_strafehud_direction_alpha * panel_fg_alpha > 0)
547 bool indicator_direction = direction < 0;
548 // invert left/right when strafing backwards or when strafing towards the opposite side indicated by the direction variable
549 // if both conditions are true then it's inverted twice hence not inverted at all
550 if(!fwd != odd_angles)
552 indicator_direction = !indicator_direction;
554 // draw the direction indicator caps at the sides of the hud
556 if(direction_size_vertical.y > 0) drawfill(panel_pos + 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);
557 // top horizontal line
558 drawfill(panel_pos + eX * (indicator_direction ? -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, autocvar_hud_panel_strafehud_direction_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
559 // bottom horizontal line
560 drawfill(panel_pos + eX * (indicator_direction ? -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, autocvar_hud_panel_strafehud_direction_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
563 if(speed >= minspeed) // only draw indicators if minspeed is reached
565 // draw best angles for acceleration
566 float offset = !odd_angles ? bestangle_offset : odd_bestangle_offset;
567 float switch_offset = !odd_angles ? switch_bestangle_offset : switch_odd_bestangle_offset;
568 // both indicators are inactive if no direction can be determined
569 vector switch_color = direction != 0 ? autocvar_hud_panel_strafehud_switch_active_color : autocvar_hud_panel_strafehud_switch_inactive_color;
570 float switch_alpha = direction != 0 ? autocvar_hud_panel_strafehud_switch_active_alpha : autocvar_hud_panel_strafehud_switch_inactive_alpha;
571 // draw the switch indicators
572 HUD_Panel_DrawStrafeHUD(switch_offset, bestangle_width, autocvar_hud_panel_strafehud_switch_inactive_color, autocvar_hud_panel_strafehud_switch_inactive_alpha * panel_fg_alpha, 0, 0);
573 HUD_Panel_DrawStrafeHUD(offset, bestangle_width, switch_color, switch_alpha * panel_fg_alpha, 0, 0);
577 // experimental: slick detector
578 slickdetector_height = panel_size.y * bound(0, autocvar_hud_panel_strafehud_slickdetector_height, 0.5);
579 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
581 float slicksteps = 90 / pow(2, bound(0, autocvar_hud_panel_strafehud_slickdetector_granularity, 4));
582 bool slickdetected = false;
584 slickdetected = IS_ONSLICK(strafeplayer); // don't need to traceline if already touching slick
586 // traceline into every direction
587 trace_dphitq3surfaceflags = 0;
588 for(float i = 0; i < 360 && !slickdetected; i += slicksteps)
592 slickoffset.z = -cos(i * DEG2RAD) * autocvar_hud_panel_strafehud_slickdetector_range;
593 slickrotate = sin(i * DEG2RAD) * autocvar_hud_panel_strafehud_slickdetector_range;
594 if(i != 0 && i != 180)
596 for(float j = 0; j < 180 && !slickdetected; j += slicksteps)
598 slickoffset.x = sin(j * DEG2RAD) * slickrotate;
599 slickoffset.y = cos(j * DEG2RAD) * slickrotate;
601 traceline(strafeplayer.origin, strafeplayer.origin + slickoffset, MOVE_WORLDONLY, NULL);
602 if(trace_dphitq3surfaceflags & Q3SURFACEFLAG_SLICK) slickdetected = true;
607 slickoffset.x = slickoffset.y = 0;
608 traceline(strafeplayer.origin, strafeplayer.origin + slickoffset, MOVE_WORLDONLY, NULL);
609 if(trace_dphitq3surfaceflags & Q3SURFACEFLAG_SLICK) slickdetected = true;
613 // if a traceline hit a slick surface
616 vector slickdetector_size = panel_size;
617 slickdetector_size.y = slickdetector_height;
618 // top horizontal line
619 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);
620 // bottom horizontal line
621 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);
625 draw_beginBoldFont();
626 // show speed when crossing the start trigger
627 if(autocvar_hud_panel_strafehud_startspeed_fade > 0)
629 float text_alpha = 0;
630 if(race_checkpoint == 254) // checkpoint 254 is the start trigger
632 if(starttime != race_checkpointtime)
634 starttime = race_checkpointtime;
640 text_alpha = cos(((time - starttime) / autocvar_hud_panel_strafehud_startspeed_fade) * 90 * DEG2RAD); // fade non-linear like the physics panel does
641 if((time - starttime) > autocvar_hud_panel_strafehud_startspeed_fade)
646 if(startspeed >= 0 && text_alpha > 0 && autocvar_hud_panel_strafehud_startspeed_size > 0)
648 vector startspeed_size = panel_size;
649 startspeed_size.y = panel_size.y * min(autocvar_hud_panel_strafehud_startspeed_size, 5);
650 drawstring_aspect(panel_pos + eY * panel_size.y, 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);
659 // experimental: show height achieved by a single jump (doesn't work in low gravity and may not be 100% accurate)
660 if(autocvar_hud_panel_strafehud_jumpheight_fade > 0)
662 float text_alpha = 0;
663 float jumpheight_min = max(autocvar_hud_panel_strafehud_jumpheight_min, 0);
664 float jumpheight_current = strafeplayer.origin.z;
665 float jumpspeed_current = strafeplayer.velocity.z;
666 if(jumpspeed_prev <= jumpspeed_current || jumpheight_prev > jumpheight_current || IS_ONGROUND(strafeplayer) || swimming || IS_DEAD(strafeplayer) || spectating)
668 // tries to catch kill and spectate but those are not reliable, should just hook to kill/spectate/teleport and reset jump height there
673 if(jumpheight < 0 || jumprestart)
680 jumpheight += jumpheight_current - jumpheight_prev;
682 if((jumpheight * length_conversion_factor) > jumpheight_min && jumpheight > jumpheight_persistent)
685 jumpheight_persistent = jumpheight;
688 jumpheight_prev = jumpheight_current;
689 jumpspeed_prev = jumpspeed_current;
690 if(jumpheight_persistent > 0)
692 text_alpha = cos(((time - jumptime) / autocvar_hud_panel_strafehud_jumpheight_fade) * 90 * DEG2RAD); // fade non-linear like the physics panel does
693 if((time - jumptime) > autocvar_hud_panel_strafehud_jumpheight_fade)
695 jumpheight_persistent = -1;
698 if(jumpheight_persistent > 0 && text_alpha > 0 && autocvar_hud_panel_strafehud_jumpheight_size > 0)
700 vector jumpheight_size = panel_size;
701 jumpheight_size.y = panel_size.y * min(autocvar_hud_panel_strafehud_jumpheight_size, 5);
702 drawstring_aspect(panel_pos - eY * jumpheight_size.y, 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);
707 jumpheight_prev = jumpspeed_prev = 0;
708 jumpheight = jumpheight_persistent = -1;
712 if(speed < (maxspeed + antiflicker_speed) && !immobile)
714 bestangle_anywhere = true; // moving forward should suffice to gain speed
717 // draw the actual strafe angle
718 if(!bestangle_anywhere && !immobile) // player gains speed with strafing
720 if((direction > 0 && (angle >= bestangle || angle <= -(bestangle + wishangle*2))) ||
721 (direction < 0 && (angle <= bestangle || angle >= -(bestangle + wishangle*2))))
722 currentangle_color = autocvar_hud_panel_strafehud_angle_accel_color;
725 if(fabs(angle + wishangle) > 90) // player is overturning
727 currentangle_color = autocvar_hud_panel_strafehud_angle_overturn_color;
729 else if(bestangle_anywhere) // player gains speed without strafing
731 currentangle_color = autocvar_hud_panel_strafehud_angle_accel_color;
734 if(mode == 0 || straight_overturn)
736 currentangle_offset = panel_size.x/2;
739 if(autocvar_hud_panel_strafehud_style == 2 && !immobile)
741 float moveangle = angle + wishangle;
742 float strafeangle = (bestangle + wishangle) * (direction < 0 ? -1 : 1);
743 float strafe_ratio = 0;
744 if(fabs(moveangle) > 90)
746 strafe_ratio = -((fabs(moveangle) - 90) / 90);
747 if(strafe_ratio < -1) strafe_ratio = -2 - strafe_ratio;
751 if(moveangle >= strafeangle)
753 strafe_ratio = 1 - (moveangle - strafeangle) / (90 - strafeangle);
755 else if(moveangle <= -strafeangle)
757 strafe_ratio = 1 - (moveangle + strafeangle) / (-90 + strafeangle);
762 currentangle_color = StrafeHUD_mixColors(autocvar_hud_panel_strafehud_angle_neutral_color, autocvar_hud_panel_strafehud_angle_overturn_color, -strafe_ratio);
766 currentangle_color = StrafeHUD_mixColors(autocvar_hud_panel_strafehud_angle_neutral_color, autocvar_hud_panel_strafehud_angle_accel_color, strafe_ratio);
770 if(currentangle_size.x > 0 && currentangle_size.y > 0 && autocvar_hud_panel_strafehud_angle_alpha * panel_fg_alpha > 0)
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);
777 // functions to make hud elements align perfectly in the hud area
778 void HUD_Panel_DrawStrafeHUD(float offset, float width, vector color, float alpha, int type, int gradientType)
780 float mirror_offset, mirror_width;
781 vector size = panel_size;
782 vector mirror_size = panel_size;
784 float original_width = width;
785 float hiddencolor_width;
787 if(alpha <= 0 && type != 2 || width <= 0) return;
789 if(type == 2 && gradientType == 0) type = 0;
793 mirror_width = min(fabs(offset), width);
794 mirror_offset = panel_size.x + hidden_width - fabs(offset);
800 mirror_width = min(offset + width - panel_size.x - hidden_width, width);
801 mirror_offset = max(offset - panel_size.x - hidden_width, 0);
803 if((offset + width) > panel_size.x)
805 width = panel_size.x - offset;
807 if(mirror_offset < 0)
809 mirror_width += mirror_offset;
812 if((mirror_offset + mirror_width) > panel_size.x)
814 mirror_width = panel_size.x - mirror_offset;
817 if(width < 0) width = 0;
818 if(mirror_width < 0) mirror_width = 0;
819 hiddencolor_width = original_width - width - mirror_width;
821 if(direction < 0) // swap mirror and non-mirror values if direction points left
823 offset += mirror_offset;
824 mirror_offset = offset - mirror_offset;
825 offset -= mirror_offset;
827 width += mirror_width;
828 mirror_width = width - mirror_width;
829 width -= mirror_width;
833 mirror_size.x = mirror_width;
838 case 0: // no styling (drawfill)
839 if(mirror_size.x > 0 && mirror_size.y > 0) drawfill(panel_pos + eX * mirror_offset, mirror_size, color, alpha, DRAWFLAG_NORMAL);
840 if(size.x > 0 && size.y > 0) drawfill(panel_pos + eX * offset, size, color, alpha, DRAWFLAG_NORMAL);
843 case 1: // progress bar style
844 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);
845 if(size.x > 0 && size.y > 0) HUD_Panel_DrawProgressBar(panel_pos + eX * offset, size, "progressbar", 1, 0, 0, color, alpha, DRAWFLAG_NORMAL);
848 case 2: // gradient style (types: 1 = left, 2 = right, 3 = both)
849 StrafeHUD_drawGradient(color, autocvar_hud_panel_strafehud_bar_neutral_color, mirror_size, original_width, mirror_offset, alpha, width + (mirror_offset == 0 ? hiddencolor_width : 0), gradientType);
850 StrafeHUD_drawGradient(color, autocvar_hud_panel_strafehud_bar_neutral_color, size, original_width, offset, alpha, (offset == 0 ? hiddencolor_width : 0), gradientType);
854 vector StrafeHUD_mixColors(vector color1, vector color2, float ratio)
857 if(ratio <= 0) return color1;
858 if(ratio >= 1) return color2;
859 mixedColor.x = color1.x + (color2.x - color1.x) * ratio;
860 mixedColor.y = color1.y + (color2.y - color1.y) * ratio;
861 mixedColor.z = color1.z + (color2.z - color1.z) * ratio;
865 void StrafeHUD_drawGradient(vector color1, vector color2, vector size, float original_width, float offset, float alpha, float gradientOffset, int gradientType)
867 float color_ratio, alpha1, alpha2;
868 vector gradient_size = size;
869 alpha1 = bound(0, alpha, 1);
870 alpha2 = bound(0, autocvar_hud_panel_strafehud_bar_neutral_alpha, 1);
871 if((alpha1+alpha2) == 0) return;
872 color_ratio = alpha1/(alpha1+alpha2);
873 for(int i = 0; i < size.x; ++i)
875 float ratio, alpha_ratio, combine_ratio1, combine_ratio2;
876 gradient_size.x = size.x - i < 1 ? size.x - i : 1;
877 ratio = (i + gradientOffset) / original_width * (gradientType == 3 ? 2 : 1);
878 if(ratio > 1) ratio = 2 - ratio;
879 if(gradientType != 2) ratio = 1 - ratio;
880 alpha_ratio = alpha1 - (alpha1 - alpha2) * ratio;
881 combine_ratio1 = ratio*(1-color_ratio);
882 combine_ratio2 = (1-ratio)*color_ratio;
883 ratio = (combine_ratio1 + combine_ratio2) == 0 ? 1 : combine_ratio1/(combine_ratio1 + combine_ratio2);
884 if(alpha_ratio > 0) drawfill(panel_pos + eX * (offset + i), gradient_size, StrafeHUD_mixColors(color1, color2, ratio), alpha_ratio, DRAWFLAG_NORMAL);
888 // length unit conversion (km and miles are only included to match the GetSpeedUnit* functions)
889 float GetLengthUnitFactor(int length_unit)
895 case 2: return 0.0254;
896 case 3: return 0.0254 * 0.001;
897 case 4: return 0.0254 * 0.001 * 0.6213711922;
898 case 5: return 0.0254 * 0.001 * 0.5399568035;
902 string GetLengthUnit(int length_unit)
906 // translator-friendly strings without the initial space
908 case 1: return strcat(" ", _("qu"));
909 case 2: return strcat(" ", _("m"));
910 case 3: return strcat(" ", _("km"));
911 case 4: return strcat(" ", _("mi"));
912 case 5: return strcat(" ", _("nmi"));