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 // provide basic panel cvars to old clients
42 // TODO remove them after a future release (0.8.2+)
43 noref string autocvar_hud_panel_strafehud_pos = "0.320000 0.570000";
44 noref string autocvar_hud_panel_strafehud_size = "0.360000 0.020000";
45 noref string autocvar_hud_panel_strafehud_bg = "0";
46 noref string autocvar_hud_panel_strafehud_bg_color = "";
47 noref string autocvar_hud_panel_strafehud_bg_color_team = "";
48 noref string autocvar_hud_panel_strafehud_bg_alpha = "0.7";
49 noref string autocvar_hud_panel_strafehud_bg_border = "";
50 noref string autocvar_hud_panel_strafehud_bg_padding = "";
57 // generic hud routines
58 if(!autocvar__hud_configure)
60 if(!autocvar_hud_panel_strafehud ||
61 (spectatee_status == -1 && (autocvar_hud_panel_strafehud == 1 || autocvar_hud_panel_strafehud == 3)) ||
62 (autocvar_hud_panel_strafehud == 3 && !MUTATOR_CALLHOOK(HUD_StrafeHUD_showoptional))) return;
65 HUD_Panel_LoadCvars();
67 if(autocvar_hud_panel_strafehud_dynamichud)
80 panel_pos += '1 1 0' * panel_bg_padding;
81 panel_size -= '2 2 0' * panel_bg_padding;
84 // find out whether the local csqcmodel entity is valid
85 if(spectatee_status > 0 || isdemo())
88 strafeplayer = CSQCModel_server2csqc(player_localentnum - 1);
93 strafeplayer = csqcplayer;
97 if(csqcplayer && strafeplayer)
100 bool onground = islocal ? IS_ONGROUND(strafeplayer) : !(strafeplayer.anim_implicit_state & ANIMIMPLICITSTATE_INAIR);
102 bool swimming = strafeplayer.waterlevel >= WATERLEVEL_SWIMMING;
103 bool spectating = entcs_GetSpecState(strafeplayer.sv_entnum) == ENTCS_SPEC_PURE;
104 float speed = !autocvar__hud_configure ? vlen(vec2(csqcplayer.velocity)) : 1337; // use local csqcmodel entity for this even when spectating, flickers too much otherwise
105 float maxspeed_crouch_mod = IS_DUCKED(strafeplayer) && !swimming ? .5 : 1;
106 float maxspeed_water_mod = swimming ? .7 : 1; // very simplified water physics, the hud will not work well (and is not supposed to) while swimming
107 float maxspeed_phys = onground ? PHYS_MAXSPEED(strafeplayer) : PHYS_MAXAIRSPEED(strafeplayer);
108 float maxspeed = !autocvar__hud_configure ? maxspeed_phys * maxspeed_crouch_mod * maxspeed_water_mod : 320;
109 float vel_angle = vectoangles(strafeplayer.velocity).y;
110 float view_angle = PHYS_INPUT_ANGLES(strafeplayer).y + 180;
112 vector movement = PHYS_INPUT_MOVEVALUES(strafeplayer);
113 int keys = STAT(PRESSED_KEYS);
118 int mode = autocvar_hud_panel_strafehud_mode >= 0 && autocvar_hud_panel_strafehud_mode <= 1 ? autocvar_hud_panel_strafehud_mode : 0;
119 float speed_conversion_factor = GetSpeedUnitFactor(autocvar_hud_panel_strafehud_unit);
120 float length_conversion_factor = GetLengthUnitFactor(autocvar_hud_panel_strafehud_unit);
121 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
122 float antiflicker_angle = bound(0, autocvar_hud_panel_strafehud_antiflicker_angle, 180);
123 float antiflicker_speed = max(0, autocvar_hud_panel_strafehud_antiflicker_speed);
125 float shift_offset = 0;
126 bool straight_overturn = false;
127 bool immobile = speed <= (swimming ? antiflicker_speed : 0);
129 float neutral_offset;
131 vector currentangle_color = autocvar_hud_panel_strafehud_angle_neutral_color;
132 float currentangle_offset;
133 vector currentangle_size = '0 0 0';
136 bool bestangle_anywhere = false;
137 float bestangle_offset;
138 float switch_bestangle_offset;
139 bool odd_angles = false;
140 float odd_bestangle_offset = 0;
141 float switch_odd_bestangle_offset = 0;
142 float bestangle_width;
143 float accelzone_left_offset;
144 float accelzone_right_offset;
145 float accelzone_width;
146 float overturn_offset;
147 float overturn_width;
148 float slickdetector_height;
149 vector direction_size_vertical = '0 0 0';
150 vector direction_size_horizontal = '0 0 0';
151 float range_minangle;
153 // determine whether the player is pressing forwards or backwards keys
154 if(islocal) // if entity is local player
160 else if(movement.x < 0)
169 else // alternatively determine direction by querying pressed keys
171 if((keys & KEY_FORWARD) && !(keys & KEY_BACKWARD))
175 else if(!(keys & KEY_FORWARD) && (keys & KEY_BACKWARD))
185 // determine player wishdir
186 if(islocal) // if entity is local player
194 else if(movement.y > 0)
211 wishangle = RAD2DEG * atan2(movement.y, movement.x);
212 // wrap the wish angle if it exceeds ±90°
213 if(fabs(wishangle) > 90)
215 if(wishangle < 0) wishangle += 180;
216 else wishangle -= 180;
217 wishangle = -wishangle;
222 else // alternatively calculate wishdir by querying pressed keys
224 if(keys & KEY_FORWARD || keys & KEY_BACKWARD)
236 else if(!(keys & KEY_RIGHT))
238 wishangle = 0; // wraps at 180°
242 strafekeys = fabs(wishangle) == 90;
244 // determine minimum required angle to display full strafe range
245 range_minangle = fabs(wishangle) % 90; // maximum range is 90 degree
246 if(range_minangle > 45) // minimum angle range is 45
248 range_minangle = 45 - fabs(wishangle) % 45;
250 range_minangle = 90 - range_minangle; // calculate value which is never >90 or <45
251 range_minangle *= 2; // multiply to accommodate for both sides of the hud
253 if(autocvar_hud_panel_strafehud_range == 0)
255 if(autocvar__hud_configure)
261 hudangle = range_minangle; // use minimum angle required if dynamically setting hud angle
266 hudangle = bound(0, fabs(autocvar_hud_panel_strafehud_range), 360); // limit HUD range to 360 degrees, higher values don't make sense
269 // detect air strafe turning
270 if(onground != state_onground)
272 state_onground_time = time;
274 state_onground = onground;
276 if(strafekeys != state_strafekeys)
278 state_strafekeys_time = time;
280 state_strafekeys = strafekeys;
282 if((keys & KEY_FORWARD) || (keys & KEY_BACKWARD) || swimming || autocvar__hud_configure)
288 if((time - state_onground_time) >= autocvar_hud_panel_strafehud_timeout_ground) // timeout for strafe jumping in general
293 else // air strafe only
297 if(((time - state_onground_time) >= autocvar_hud_panel_strafehud_timeout_air) || (keys & KEY_JUMP)) // timeout for slick ramps
299 turn = true; // CPMA turning
300 turnangle = wishangle;
303 else if((time - state_strafekeys_time) >= autocvar_hud_panel_strafehud_timeout_turn) // timeout for jumping with strafe keys only
310 maxspeed = PHYS_MAXAIRSTRAFESPEED(strafeplayer); // no modifiers here because they don't affect air strafing
311 wishangle = turnangle;
314 minspeed = autocvar_hud_panel_strafehud_switch_minspeed < 0 ? maxspeed + antiflicker_speed : autocvar_hud_panel_strafehud_switch_minspeed;
316 // get current strafing angle ranging from -180° to +180°
317 if(!autocvar__hud_configure)
321 // calculate view angle relative to the players current velocity direction
322 angle = vel_angle - view_angle;
324 // if the angle goes above 180° or below -180° wrap it to the opposite side
325 if (angle > 180) angle -= 360;
326 else if(angle < -180) angle += 360;
328 // shift the strafe angle by 180° for hud calculations
329 if(angle < 0) angle += 180;
332 // determine whether the player is strafing forwards or backwards
333 // if the player isn't strafe turning use forwards/backwards keys to determine direction
340 else if(keys_fwd < 0)
346 state_fwd = fabs(angle) <= 90;
349 // otherwise determine by examining the strafe angle
352 if(wishangle < 0) // detect direction using wishangle since the direction is not yet set
354 state_fwd = angle <= -wishangle;
358 state_fwd = angle >= -wishangle;
362 if(state_fwd_prev != state_fwd)
364 state_fwd_time = time;
366 state_fwd_prev = state_fwd;
368 if((time - state_fwd_time) >= autocvar_hud_panel_strafehud_timeout_direction || speed < maxspeed || (strafekeys && mode == 0)) // timeout when changing between forwards and backwards movement
373 // shift the strafe angle by 180° when strafing backwards
376 if(angle < 0) angle += 180;
380 // don't make the angle indicator switch side too much at ±180° if anti flicker is turned on
381 if(angle > (180 - antiflicker_angle) || angle < (-180 + antiflicker_angle))
383 straight_overturn = true;
391 else // simulate turning for HUD setup
394 if(autocvar__hud_panel_strafehud_demo && ((time - demo_time) >= .025))
397 demo_angle += demo_direction;
398 if(fabs(demo_angle) >= 55)
400 demo_direction = -demo_direction;
404 wishangle = 45 * (demo_angle > 0 ? 1 : -1);
407 // invert the wish angle when strafing backwards
410 wishangle = -wishangle;
413 // flip angles if v_flipped is enabled
414 if(autocvar_v_flipped)
417 wishangle = -wishangle;
420 // determine whether the player is strafing left or right
423 direction = wishangle > 0 ? 1 : -1;
427 direction = (angle > antiflicker_angle && angle < (180 - antiflicker_angle)) ? 1 : (angle < -antiflicker_angle && angle > (-180 + antiflicker_angle)) ? -1 : 0;
430 // best angle to strafe at
431 bestangle = (speed > maxspeed ? acos(maxspeed / speed) : 0) * RAD2DEG * (direction < 0 ? -1 : 1);
432 odd_bestangle = -bestangle - wishangle;
433 bestangle -= wishangle;
435 // various offsets and size calculations of hud indicator elements
436 // how much is hidden by the current hud angle
437 hidden_width = (360 - hudangle) / hudangle * panel_size.x;
439 currentangle_size.x = max(panel_size.x * autocvar_hud_panel_strafehud_angle_width, 1);
442 currentangle_offset = angle/hudangle * panel_size.x;
446 currentangle_offset = bound(-hudangle/2, angle, hudangle/2)/hudangle * panel_size.x + panel_size.x/2;
448 currentangle_size.y = max(panel_size.y * min(autocvar_hud_panel_strafehud_angle_height, 2), 1);
449 // best strafe acceleration angle
450 bestangle_offset = bestangle/hudangle * panel_size.x + panel_size.x/2;
451 switch_bestangle_offset = -bestangle/hudangle * panel_size.x + panel_size.x/2;
452 bestangle_width = max(panel_size.x * autocvar_hud_panel_strafehud_switch_width, 1);
454 if(((angle > -wishangle && direction < 0) || (angle < -wishangle && direction > 0)) && (direction != 0))
457 odd_bestangle_offset = odd_bestangle/hudangle * panel_size.x + panel_size.x/2;
458 switch_odd_bestangle_offset = (odd_bestangle+bestangle*2)/hudangle * panel_size.x + panel_size.x/2;
460 // direction indicator
461 direction_size_vertical.x = max(panel_size.y * min(autocvar_hud_panel_strafehud_direction_width, .5), 1);
462 direction_size_vertical.y = panel_size.y;
463 direction_size_horizontal.x = max(panel_size.x * min(autocvar_hud_panel_strafehud_direction_length, .5), direction_size_vertical.x);
464 direction_size_horizontal.y = direction_size_vertical.x;
466 overturn_width = 180/hudangle * panel_size.x;
468 // the neutral zone fills the whole strafe bar
472 if(panel_size.x > 0 && panel_size.y > 0 && autocvar_hud_panel_strafehud_bar_neutral_alpha * panel_fg_alpha > 0)
474 switch(autocvar_hud_panel_strafehud_style)
478 drawfill(panel_pos, panel_size, autocvar_hud_panel_strafehud_bar_neutral_color, autocvar_hud_panel_strafehud_bar_neutral_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
482 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);
488 // calculate various zones of the strafe-o-meter
489 accelzone_width = overturn_offset = (90 - fabs(bestangle + wishangle))/hudangle * panel_size.x;
490 accelzone_right_offset = 0;
491 accelzone_left_offset = overturn_offset + overturn_width;
492 neutral_width = 360/hudangle * panel_size.x - accelzone_width*2 - overturn_width;
493 neutral_offset = direction < 0 ? accelzone_left_offset + accelzone_width : -neutral_width;
495 // remove switch indicator width from offset
498 bestangle_offset -= bestangle_width;
499 switch_odd_bestangle_offset -= bestangle_width;
503 switch_bestangle_offset -= bestangle_width;
504 odd_bestangle_offset -= bestangle_width;
507 // shift hud if operating in view angle centered mode
510 shift_offset = -currentangle_offset;
511 bestangle_offset += shift_offset;
512 switch_bestangle_offset += shift_offset;
513 odd_bestangle_offset += shift_offset;
514 switch_odd_bestangle_offset += shift_offset;
516 if(direction < 0) shift_offset += -360/hudangle * panel_size.x;
517 // calculate how far off-center the strafe zones currently are
518 shift_offset += (panel_size.x + neutral_width)/2 - wishangle/hudangle * panel_size.x;
519 // shift strafe zones into correct place
520 neutral_offset += shift_offset;
521 accelzone_left_offset += shift_offset;
522 accelzone_right_offset += shift_offset;
523 overturn_offset += shift_offset;
525 // draw left acceleration zone
526 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);
528 // draw right acceleration zone
529 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);
531 // draw overturn zone
532 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);
535 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);
537 if(direction != 0 && direction_size_vertical.x > 0 && autocvar_hud_panel_strafehud_direction_alpha * panel_fg_alpha > 0)
539 bool indicator_direction = direction < 0;
540 // invert left/right when strafing backwards or when strafing towards the opposite side indicated by the direction variable
541 // if both conditions are true then it's inverted twice hence not inverted at all
542 if(!fwd != odd_angles)
544 indicator_direction = !indicator_direction;
546 // draw the direction indicator caps at the sides of the hud
548 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);
549 // top horizontal line
550 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);
551 // bottom horizontal line
552 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);
555 if(speed >= minspeed) // only draw indicators if minspeed is reached
557 // draw best angles for acceleration
558 float offset = !odd_angles ? bestangle_offset : odd_bestangle_offset;
559 float switch_offset = !odd_angles ? switch_bestangle_offset : switch_odd_bestangle_offset;
560 // both indicators are inactive if no direction can be determined
561 vector switch_color = direction != 0 ? autocvar_hud_panel_strafehud_switch_active_color : autocvar_hud_panel_strafehud_switch_inactive_color;
562 float switch_alpha = direction != 0 ? autocvar_hud_panel_strafehud_switch_active_alpha : autocvar_hud_panel_strafehud_switch_inactive_alpha;
563 // draw the switch indicators
564 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);
565 HUD_Panel_DrawStrafeHUD(offset, bestangle_width, switch_color, switch_alpha * panel_fg_alpha, 0, 0);
569 // experimental: slick detector
570 slickdetector_height = panel_size.y * bound(0, autocvar_hud_panel_strafehud_slickdetector_height, 0.5);
571 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
573 float slicksteps = 90 / pow(2, bound(0, autocvar_hud_panel_strafehud_slickdetector_granularity, 4));
574 bool slickdetected = false;
576 slickdetected = IS_ONSLICK(strafeplayer); // don't need to traceline if already touching slick
578 // traceline into every direction
579 trace_dphitq3surfaceflags = 0;
580 for(float i = 0; i < 360 && !slickdetected; i += slicksteps)
584 slickoffset.z = -cos(i * DEG2RAD) * autocvar_hud_panel_strafehud_slickdetector_range;
585 slickrotate = sin(i * DEG2RAD) * autocvar_hud_panel_strafehud_slickdetector_range;
586 if(i != 0 && i != 180)
588 for(float j = 0; j < 180 && !slickdetected; j += slicksteps)
590 slickoffset.x = sin(j * DEG2RAD) * slickrotate;
591 slickoffset.y = cos(j * DEG2RAD) * slickrotate;
593 traceline(strafeplayer.origin, strafeplayer.origin + slickoffset, MOVE_WORLDONLY, NULL);
594 if(trace_dphitq3surfaceflags & Q3SURFACEFLAG_SLICK) slickdetected = true;
599 slickoffset.x = slickoffset.y = 0;
600 traceline(strafeplayer.origin, strafeplayer.origin + slickoffset, MOVE_WORLDONLY, NULL);
601 if(trace_dphitq3surfaceflags & Q3SURFACEFLAG_SLICK) slickdetected = true;
605 // if a traceline hit a slick surface
608 vector slickdetector_size = panel_size;
609 slickdetector_size.y = slickdetector_height;
610 // top horizontal line
611 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);
612 // bottom horizontal line
613 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);
617 draw_beginBoldFont();
618 // show speed when crossing the start trigger
619 if(autocvar_hud_panel_strafehud_startspeed_fade > 0)
621 float text_alpha = 0;
622 if(race_checkpoint == 254) // checkpoint 254 is the start trigger
624 if(starttime != race_checkpointtime)
626 starttime = race_checkpointtime;
632 text_alpha = cos(((time - starttime) / autocvar_hud_panel_strafehud_startspeed_fade) * 90 * DEG2RAD); // fade non-linear like the physics panel does
633 if((time - starttime) > autocvar_hud_panel_strafehud_startspeed_fade)
638 if(startspeed >= 0 && text_alpha > 0 && autocvar_hud_panel_strafehud_startspeed_size > 0)
640 vector startspeed_size = panel_size;
641 startspeed_size.y = panel_size.y * min(autocvar_hud_panel_strafehud_startspeed_size, 5);
642 string speed_unit = GetSpeedUnit(autocvar_hud_panel_strafehud_unit);
643 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);
652 // show height achieved by a single jump
653 if(autocvar_hud_panel_strafehud_jumpheight_fade > 0 && autocvar_hud_panel_strafehud_jumpheight_size > 0)
655 static float height_min = 0, height_max = 0; // ground and peak of jump z coordinates
656 static float jumpheight = 0, jumptime = 0; // displayed value and timestamp for fade out
658 // tries to catch kill and spectate but those are not reliable, should just hook to kill/spectate/teleport and reset jump height there
659 if((strafeplayer.velocity.z <= 0 && height_max >= strafeplayer.origin.z) || IS_ONGROUND(strafeplayer) || swimming || IS_DEAD(strafeplayer) || spectating)
661 height_min = height_max = strafeplayer.origin.z;
663 else if(strafeplayer.origin.z > height_max)
665 height_max = strafeplayer.origin.z;
666 jumpheight = (height_max - height_min) * length_conversion_factor;
668 if(jumpheight > max(autocvar_hud_panel_strafehud_jumpheight_min, 0))
672 if((time - jumptime) <= autocvar_hud_panel_strafehud_jumpheight_fade)
674 float text_alpha = cos(((time - jumptime) / autocvar_hud_panel_strafehud_jumpheight_fade) * 90 * DEG2RAD); // fade non-linear like the physics panel does
675 vector jumpheight_size = panel_size;
676 jumpheight_size.y = panel_size.y * min(autocvar_hud_panel_strafehud_jumpheight_size, 5);
677 string length_unit = GetLengthUnit(autocvar_hud_panel_strafehud_unit);
678 drawstring_aspect(panel_pos - eY * jumpheight_size.y, 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);
683 if(speed < (maxspeed + antiflicker_speed) && !immobile)
685 bestangle_anywhere = true; // moving forward should suffice to gain speed
688 // draw the actual strafe angle
689 if(!bestangle_anywhere && !immobile) // player gains speed with strafing
691 if((direction > 0 && (angle >= bestangle || angle <= -(bestangle + wishangle*2))) ||
692 (direction < 0 && (angle <= bestangle || angle >= -(bestangle + wishangle*2))))
693 currentangle_color = autocvar_hud_panel_strafehud_angle_accel_color;
696 if(fabs(angle + wishangle) > 90) // player is overturning
698 currentangle_color = autocvar_hud_panel_strafehud_angle_overturn_color;
700 else if(bestangle_anywhere) // player gains speed without strafing
702 currentangle_color = autocvar_hud_panel_strafehud_angle_accel_color;
705 if(mode == 0 || straight_overturn)
707 currentangle_offset = panel_size.x/2;
710 if(autocvar_hud_panel_strafehud_style == 2 && !immobile)
712 float moveangle = angle + wishangle;
713 float strafeangle = (bestangle + wishangle) * (direction < 0 ? -1 : 1);
714 float strafe_ratio = 0;
715 if(fabs(moveangle) > 90)
717 strafe_ratio = -((fabs(moveangle) - 90) / 90);
718 if(strafe_ratio < -1) strafe_ratio = -2 - strafe_ratio;
722 if(moveangle >= strafeangle)
724 strafe_ratio = 1 - (moveangle - strafeangle) / (90 - strafeangle);
726 else if(moveangle <= -strafeangle)
728 strafe_ratio = 1 - (moveangle + strafeangle) / (-90 + strafeangle);
733 currentangle_color = StrafeHUD_mixColors(autocvar_hud_panel_strafehud_angle_neutral_color, autocvar_hud_panel_strafehud_angle_overturn_color, -strafe_ratio);
737 currentangle_color = StrafeHUD_mixColors(autocvar_hud_panel_strafehud_angle_neutral_color, autocvar_hud_panel_strafehud_angle_accel_color, strafe_ratio);
741 if(currentangle_size.x > 0 && currentangle_size.y > 0 && autocvar_hud_panel_strafehud_angle_alpha * panel_fg_alpha > 0)
743 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);
748 // functions to make hud elements align perfectly in the hud area
749 void HUD_Panel_DrawStrafeHUD(float offset, float width, vector color, float alpha, int type, int gradientType)
751 float mirror_offset, mirror_width;
752 vector size = panel_size;
753 vector mirror_size = panel_size;
755 float original_width = width;
756 float hiddencolor_width;
758 if(alpha <= 0 && type != 2 || width <= 0) return;
760 if(type == 2 && gradientType == 0) type = 0;
764 mirror_width = min(fabs(offset), width);
765 mirror_offset = panel_size.x + hidden_width - fabs(offset);
771 mirror_width = min(offset + width - panel_size.x - hidden_width, width);
772 mirror_offset = max(offset - panel_size.x - hidden_width, 0);
774 if((offset + width) > panel_size.x)
776 width = panel_size.x - offset;
778 if(mirror_offset < 0)
780 mirror_width += mirror_offset;
783 if((mirror_offset + mirror_width) > panel_size.x)
785 mirror_width = panel_size.x - mirror_offset;
788 if(width < 0) width = 0;
789 if(mirror_width < 0) mirror_width = 0;
790 hiddencolor_width = original_width - width - mirror_width;
792 if(direction < 0) // swap mirror and non-mirror values if direction points left
794 offset += mirror_offset;
795 mirror_offset = offset - mirror_offset;
796 offset -= mirror_offset;
798 width += mirror_width;
799 mirror_width = width - mirror_width;
800 width -= mirror_width;
804 mirror_size.x = mirror_width;
809 case 0: // no styling (drawfill)
810 if(mirror_size.x > 0 && mirror_size.y > 0) drawfill(panel_pos + eX * mirror_offset, mirror_size, color, alpha, DRAWFLAG_NORMAL);
811 if(size.x > 0 && size.y > 0) drawfill(panel_pos + eX * offset, size, color, alpha, DRAWFLAG_NORMAL);
814 case 1: // progress bar style
815 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);
816 if(size.x > 0 && size.y > 0) HUD_Panel_DrawProgressBar(panel_pos + eX * offset, size, "progressbar", 1, 0, 0, color, alpha, DRAWFLAG_NORMAL);
819 case 2: // gradient style (types: 1 = left, 2 = right, 3 = both)
820 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);
821 StrafeHUD_drawGradient(color, autocvar_hud_panel_strafehud_bar_neutral_color, size, original_width, offset, alpha, (offset == 0 ? hiddencolor_width : 0), gradientType);
825 vector StrafeHUD_mixColors(vector color1, vector color2, float ratio)
828 if(ratio <= 0) return color1;
829 if(ratio >= 1) return color2;
830 mixedColor.x = color1.x + (color2.x - color1.x) * ratio;
831 mixedColor.y = color1.y + (color2.y - color1.y) * ratio;
832 mixedColor.z = color1.z + (color2.z - color1.z) * ratio;
836 void StrafeHUD_drawGradient(vector color1, vector color2, vector size, float original_width, float offset, float alpha, float gradientOffset, int gradientType)
838 float color_ratio, alpha1, alpha2;
839 vector gradient_size = size;
840 alpha1 = bound(0, alpha, 1);
841 alpha2 = bound(0, autocvar_hud_panel_strafehud_bar_neutral_alpha, 1);
842 if((alpha1+alpha2) == 0) return;
843 color_ratio = alpha1/(alpha1+alpha2);
844 for(int i = 0; i < size.x; ++i)
846 float ratio, alpha_ratio, combine_ratio1, combine_ratio2;
847 gradient_size.x = size.x - i < 1 ? size.x - i : 1;
848 ratio = (i + gradientOffset) / original_width * (gradientType == 3 ? 2 : 1);
849 if(ratio > 1) ratio = 2 - ratio;
850 if(gradientType != 2) ratio = 1 - ratio;
851 alpha_ratio = alpha1 - (alpha1 - alpha2) * ratio;
852 combine_ratio1 = ratio*(1-color_ratio);
853 combine_ratio2 = (1-ratio)*color_ratio;
854 ratio = (combine_ratio1 + combine_ratio2) == 0 ? 1 : combine_ratio1/(combine_ratio1 + combine_ratio2);
855 if(alpha_ratio > 0) drawfill(panel_pos + eX * (offset + i), gradient_size, StrafeHUD_mixColors(color1, color2, ratio), alpha_ratio, DRAWFLAG_NORMAL);
859 // length unit conversion (km and miles are only included to match the GetSpeedUnit* functions)
860 float GetLengthUnitFactor(int length_unit)
866 case 2: return 0.0254;
867 case 3: return 0.0254 * 0.001;
868 case 4: return 0.0254 * 0.001 * 0.6213711922;
869 case 5: return 0.0254 * 0.001 * 0.5399568035;
873 string GetLengthUnit(int length_unit)
877 // translator-friendly strings without the initial space
879 case 1: return strcat(" ", _("qu"));
880 case 2: return strcat(" ", _("m"));
881 case 3: return strcat(" ", _("km"));
882 case 4: return strcat(" ", _("mi"));
883 case 5: return strcat(" ", _("nmi"));