3 #include "strafehud.qh"
5 #include <client/autocvars.qh>
6 #include <client/miscfunctions.qh>
7 #include <common/animdecide.qh>
8 #include <common/ent_cs.qh>
9 #include <common/mapinfo.qh>
10 #include <common/physics/movetypes/movetypes.qh>
11 #include <common/physics/player.qh>
12 #include <lib/csqcmodel/cl_player.qh>
16 void HUD_StrafeHUD_Export(int fh)
18 // allow saving cvars that aesthetically change the panel into hud skin files
22 bool state_fwd = true;
23 bool state_fwd_prev = true;
25 float demo_angle = -37;
26 float demo_direction = 1;
28 float state_onground_time = 0;
29 float state_strafekeys_time = 0;
30 float state_fwd_time = 0;
31 bool state_onground = false;
32 bool state_strafekeys = false;
36 // provide basic panel cvars to old clients
37 // TODO remove them after a future release (0.8.2+)
38 noref string autocvar_hud_panel_strafehud_pos = "0.320000 0.570000";
39 noref string autocvar_hud_panel_strafehud_size = "0.360000 0.020000";
40 noref string autocvar_hud_panel_strafehud_bg = "0";
41 noref string autocvar_hud_panel_strafehud_bg_color = "";
42 noref string autocvar_hud_panel_strafehud_bg_color_team = "";
43 noref string autocvar_hud_panel_strafehud_bg_alpha = "0.7";
44 noref string autocvar_hud_panel_strafehud_bg_border = "";
45 noref string autocvar_hud_panel_strafehud_bg_padding = "";
52 if(!autocvar__hud_configure)
54 if(!autocvar_hud_panel_strafehud) return;
55 if(spectatee_status == -1 && (autocvar_hud_panel_strafehud == 1 || autocvar_hud_panel_strafehud == 3)) return;
56 if(autocvar_hud_panel_strafehud == 3 && !(ISGAMETYPE(RACE) || ISGAMETYPE(CTS))) return;
59 HUD_Panel_LoadCvars();
61 if(autocvar_hud_panel_strafehud_dynamichud)
68 panel_pos += '1 1 0' * panel_bg_padding;
69 panel_size -= '2 2 0' * panel_bg_padding;
72 if(spectatee_status > 0 || isdemo())
75 strafeplayer = CSQCModel_server2csqc(player_localentnum - 1);
80 strafeplayer = csqcplayer;
84 if(csqcplayer && strafeplayer)
87 bool onground = islocal ? IS_ONGROUND(strafeplayer) : !(strafeplayer.anim_implicit_state & ANIMIMPLICITSTATE_INAIR);
89 bool is_swimming = strafeplayer.waterlevel >= WATERLEVEL_SWIMMING;
90 float speed = !autocvar__hud_configure ? vlen(vec2(csqcplayer.velocity)) : 1337; // use local csqcmodel entity for this even when spectating, flickers too much otherwise
91 float maxspeed_crouch_mod = IS_DUCKED(strafeplayer) && !is_swimming ? .5 : 1;
92 float maxspeed_water_mod = is_swimming ? .7 : 1; // very simplified water physics, the hud will not work well (and is not supposed to) while swimming
93 float maxspeed_phys = onground ? PHYS_MAXSPEED(strafeplayer) : PHYS_MAXAIRSPEED(strafeplayer);
94 float maxspeed = !autocvar__hud_configure ? maxspeed_phys * maxspeed_crouch_mod * maxspeed_water_mod : 320;
95 float vel_angle = vectoangles(strafeplayer.velocity).y;
96 float view_angle = view_angles.y + 180;
99 vector movement = PHYS_INPUT_MOVEVALUES(strafeplayer);
100 int keys = STAT(PRESSED_KEYS);
106 int mode = autocvar_hud_panel_strafehud_mode >= 0 && autocvar_hud_panel_strafehud_mode <= 1 ? autocvar_hud_panel_strafehud_mode : 0;
107 float antiflicker_angle = bound(0, autocvar_hud_panel_strafehud_antiflicker_angle, 180);
108 float antiflicker_speed = max(0, autocvar_hud_panel_strafehud_antiflicker_speed);
110 bool straight_overturn = false;
114 vector currentangle_color = autocvar_hud_panel_strafehud_warning_color;
115 float currentangle_offset;
116 vector currentangle_size = '0 0 0';
117 bool show_indicators;
119 bool bestangle_anywhere = false;
120 float bestangle_offset;
121 float bestangle_width;
122 bool odd_angles = false;
123 float switch_bestangle_offset;
124 float odd_bestangle_offset = 0;
125 float switch_odd_bestangle_offset = 0;
126 float accelzone_offset;
127 float accelzone_width;
128 float odd_accelzone_offset;
129 float odd_accelzone_width;
130 float overturn_offset;
131 float overturn_width;
132 float overturn_width_visible;
133 vector direction_size_vertical = '0 0 0';
134 vector direction_size_horizontal = '0 0 0';
136 float range_minangle;
138 // determine whether the player is pressing forwards or backwards keys
139 if(islocal) // if entity is local player
145 else if(movement_x < 0)
154 else // alternatively determine direction by querying pressed keys
156 if((keys & KEY_FORWARD) && !(keys & KEY_BACKWARD))
160 else if(!(keys & KEY_FORWARD) && (keys & KEY_BACKWARD))
170 // determine player wishdir
171 if(islocal) // if entity is local player
179 else if(movement_y > 0)
196 wishangle = RAD2DEG * atan2(movement_y, movement_x);
197 // wrap the wish angle if it exceeds ±90°
198 if(fabs(wishangle) > 90)
200 if(wishangle < 0) wishangle += 180;
201 else wishangle -= 180;
202 wishangle = -wishangle;
207 else // alternatively calculate wishdir by querying pressed keys
209 if(keys & KEY_FORWARD || keys & KEY_BACKWARD)
221 else if(!(keys & KEY_RIGHT))
223 wishangle = 0; // wraps at 180°
227 strafekeys = fabs(wishangle) == 90;
229 // determine minimum required angle to display full strafe range
230 range_minangle = fabs(wishangle) % 90; // maximum range is 90 degree
231 if(range_minangle > 45) // minimum angle range is 45
233 range_minangle = 45 - fabs(wishangle) % 45;
235 range_minangle = 90 - range_minangle; // calculate value which is never >90 or <45
236 range_minangle *= 2; // multiply to accommodate for both sides of the hud
238 if(autocvar_hud_panel_strafehud_angle == 0)
240 if(autocvar__hud_configure)
246 hudangle = range_minangle; // use minimum angle required if dynamically setting hud angle
251 hudangle = bound(0, fabs(autocvar_hud_panel_strafehud_angle), 360); // limit HUD range to 360 degrees, higher values don't make sense
254 // detect air strafe turning
255 if(onground != state_onground)
257 state_onground_time = time;
259 state_onground = onground;
260 if(strafekeys != state_strafekeys)
262 state_strafekeys_time = time;
264 state_strafekeys = strafekeys;
265 if((keys & KEY_FORWARD) || (keys & KEY_BACKWARD) || is_swimming || autocvar__hud_configure)
271 if((time - state_onground_time) >= autocvar_hud_panel_strafehud_timeout_ground) // timeout for strafe jumping in general
276 else // air strafe only
280 if(((time - state_onground_time) >= autocvar_hud_panel_strafehud_timeout_air) || (keys & KEY_JUMP)) // timeout for slick ramps
282 turn = true; // CPMA turning
283 turnangle = wishangle;
286 else if((time - state_strafekeys_time) >= autocvar_hud_panel_strafehud_timeout_strafe) // timeout for jumping with strafe keys only
293 maxspeed = PHYS_MAXAIRSTRAFESPEED(strafeplayer); // no modifiers here because they don't affect air strafing
294 wishangle = turnangle;
297 minspeed = autocvar_hud_panel_strafehud_indicator_minspeed < 0 ? maxspeed + antiflicker_speed : autocvar_hud_panel_strafehud_indicator_minspeed;
298 show_indicators = (autocvar_hud_panel_strafehud_indicators && (speed >= minspeed));
300 // get current strafing angle ranging from -180° to +180°
301 if(!autocvar__hud_configure)
305 // calculate view angle relative to the players current velocity direction
306 angle = vel_angle - view_angle;
308 // if the angle goes above 180° or below -180° wrap it to the opposite side
309 if (angle > 180) angle -= 360;
310 else if(angle < -180) angle += 360;
312 // shift the strafe angle by 180° for hud calculations
313 if(angle < 0) angle += 180;
316 // determine whether the player is strafing forwards or backwards
317 // if the player isn't strafe turning use forwards/backwards keys to determine direction
324 else if(keys_fwd < 0)
330 state_fwd = fabs(angle) <= 90;
333 // otherwise determine by examining the strafe angle
336 if(wishangle < 0) // detect direction since the direction is not yet set
338 state_fwd = angle <= -wishangle;
342 state_fwd = angle >= -wishangle;
346 if(state_fwd_prev != state_fwd)
348 state_fwd_time = time;
350 state_fwd_prev = state_fwd;
352 if((time - state_fwd_time) >= autocvar_hud_panel_strafehud_timeout_direction || speed < maxspeed) // timeout when changing between forwards and backwards movement
357 // shift the strafe angle by 180° when strafing backwards
360 if(angle < 0) angle += 180;
364 // don't make the angle indicator switch side too much at ±180° if anti flicker is turned on
365 if(angle > (180 - antiflicker_angle) || angle < (-180 + antiflicker_angle))
367 straight_overturn = true;
375 else // simulate turning for HUD setup
377 if(autocvar__hud_panel_strafehud_demo && ((time - demo_time) >= .025))
380 demo_angle += demo_direction;
381 if(fabs(demo_angle) >= 55)
383 demo_direction = -demo_direction;
387 wishangle = 45 * (demo_angle > 0 ? 1 : -1);
390 // invert the wish angle when strafing backwards
393 wishangle = -wishangle;
396 // flip angles if v_flipped is enabled
397 if(autocvar_v_flipped)
400 wishangle = -wishangle;
403 moveangle = angle + wishangle;
405 // determine whether the player is strafing left or right
408 direction = wishangle > 0 ? 1 : -1;
412 direction = (angle > antiflicker_angle && angle < (180 - antiflicker_angle)) ? 1 : (angle < -antiflicker_angle && angle > (-180 + antiflicker_angle)) ? -1 : 0;
415 // decelerating at this angle
416 maxangle = 90 - fabs(wishangle);
417 // best angle to strafe at
418 bestangle = (speed > maxspeed ? acos(maxspeed / speed) : 0) * RAD2DEG * (direction < 0 ? -1 : 1) - wishangle;
420 // various offsets and size calculations of hud indicator elements
421 // how much is hidden by the current hud angle
422 hidden_width = (360 - hudangle) / hudangle * panel_size.x;
424 currentangle_size.x = max(panel_size.x * autocvar_hud_panel_strafehud_angle_width, 1);
427 currentangle_offset = angle/hudangle * panel_size.x;
431 currentangle_offset = bound(-hudangle/2, angle, hudangle/2)/hudangle * panel_size.x + panel_size.x/2;
433 currentangle_size.y = max(panel_size.y * autocvar_hud_panel_strafehud_angle_height, 1);
434 // best strafe acceleration angle
435 bestangle_offset = bestangle/hudangle * panel_size.x + panel_size.x/2;
436 switch_bestangle_offset = -bestangle/hudangle * panel_size.x + panel_size.x/2;
438 if(((angle > -wishangle && direction < 0) || (angle < -wishangle && direction > 0)) && (direction != 0))
441 float odd_bestangle = -(bestangle + wishangle) - wishangle;
442 odd_bestangle_offset = odd_bestangle/hudangle * panel_size.x + panel_size.x/2;
443 switch_odd_bestangle_offset = (odd_bestangle+bestangle*2)/hudangle * panel_size.x + panel_size.x/2;
448 bestangle_width = max(panel_size.x * autocvar_hud_panel_strafehud_indicator_width, 1);
454 // direction indicator
455 direction_size_vertical.x = max(panel_size.y * min(autocvar_hud_panel_strafehud_direction_width, .5), 1);
456 direction_size_vertical.y = panel_size.y;
457 direction_size_horizontal.x = max(panel_size.x * min(autocvar_hud_panel_strafehud_direction_length, .5), direction_size_vertical.x);
458 direction_size_horizontal.y = direction_size_vertical.x;
460 overturn_width = 180/hudangle * panel_size.x;
461 overturn_width_visible = (hudangle/2 - maxangle) / hudangle * panel_size.x;
463 // the strafe bar fills the whole hud panel
464 if(speed <= (is_swimming ? antiflicker_speed : 0))
466 // add a background to the strafe-o-meter
467 if(panel_size.x > 0 && panel_size.y > 0)
469 if(!autocvar_hud_panel_strafehud_unstyled)
471 HUD_Panel_DrawProgressBar(panel_pos, panel_size, "progressbar", 1, 0, 0, autocvar_hud_panel_strafehud_bar_color, autocvar_hud_panel_strafehud_bar_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
475 drawfill(panel_pos, panel_size, autocvar_hud_panel_strafehud_bar_color, autocvar_hud_panel_strafehud_bar_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
481 // mark the ideal strafe angle
482 if(direction < 0) // turning left
484 // calculate zone in which strafe acceleration happens
485 accelzone_width = bestangle_offset;
486 // calculate offset of overturn area
487 overturn_offset = overturn_width_visible - overturn_width;
488 // move/adjust acceleration zone
489 accelzone_offset = overturn_width_visible;
490 accelzone_width -= overturn_width_visible;
491 // calculate zone in which strafe acceleration could also happen without changing wishdir
492 odd_accelzone_width = accelzone_width;
493 odd_accelzone_offset = overturn_offset - odd_accelzone_width;
494 // calculate the background of the strafe-o-meter
495 bar_offset = bestangle_offset;
496 bar_width = 360/hudangle * panel_size.x - accelzone_width - odd_accelzone_width - overturn_width;
498 else // turning right or moving forward
500 // calculate zone in which strafe acceleration happens
501 accelzone_offset = bestangle_offset;
502 accelzone_width = panel_size.x - accelzone_offset;
503 // calculate offset of overturn area
504 overturn_offset = panel_size.x - overturn_width_visible;
505 // adjust acceleration zone
506 accelzone_width -= overturn_width_visible;
507 // calculate zone in which strafe acceleration could also happen without changing wishdir
508 odd_accelzone_width = accelzone_width;
509 odd_accelzone_offset = overturn_offset + overturn_width;
510 // calculate the background of the strafe-o-meter
511 bar_offset = odd_accelzone_offset + odd_accelzone_width;
512 bar_width = 360/hudangle * panel_size.x - accelzone_width - odd_accelzone_width - overturn_width;
515 // remove indicator width from offset
518 bestangle_offset -= bestangle_width;
519 switch_odd_bestangle_offset -= bestangle_width;
523 switch_bestangle_offset -= bestangle_width;
524 odd_bestangle_offset -= bestangle_width;
529 bar_offset -= currentangle_offset;
530 accelzone_offset -= currentangle_offset;
531 odd_accelzone_offset -= currentangle_offset;
532 overturn_offset -= currentangle_offset;
533 bestangle_offset -= currentangle_offset;
534 switch_bestangle_offset -= currentangle_offset;
535 odd_bestangle_offset -= currentangle_offset;
536 switch_odd_bestangle_offset -= currentangle_offset;
539 if(!autocvar_hud_panel_strafehud_unstyled)
541 // draw acceleration zone
542 HUD_Panel_DrawStrafeHUD_ProgressBar(accelzone_offset, accelzone_width, autocvar_hud_panel_strafehud_indicator_color, autocvar_hud_panel_strafehud_bar_alpha);
544 // draw odd acceleration zone
545 HUD_Panel_DrawStrafeHUD_ProgressBar(odd_accelzone_offset, odd_accelzone_width, autocvar_hud_panel_strafehud_indicator_color, autocvar_hud_panel_strafehud_bar_alpha);
547 // draw overturn area
548 HUD_Panel_DrawStrafeHUD_ProgressBar(overturn_offset, overturn_width, autocvar_hud_panel_strafehud_alert_color, autocvar_hud_panel_strafehud_bar_alpha);
550 // draw the strafe bar background
551 HUD_Panel_DrawStrafeHUD_ProgressBar(bar_offset, bar_width, autocvar_hud_panel_strafehud_bar_color, autocvar_hud_panel_strafehud_bar_alpha);
555 // draw acceleration zone
556 HUD_Panel_DrawStrafeHUD_drawfill(accelzone_offset, accelzone_width, autocvar_hud_panel_strafehud_indicator_color, autocvar_hud_panel_strafehud_bar_alpha);
558 // draw odd acceleration zone
559 HUD_Panel_DrawStrafeHUD_drawfill(odd_accelzone_offset, odd_accelzone_width, autocvar_hud_panel_strafehud_indicator_color, autocvar_hud_panel_strafehud_bar_alpha);
561 // draw overturn area
562 HUD_Panel_DrawStrafeHUD_drawfill(overturn_offset, overturn_width, autocvar_hud_panel_strafehud_alert_color, autocvar_hud_panel_strafehud_bar_alpha);
564 // draw the strafe bar background
565 HUD_Panel_DrawStrafeHUD_drawfill(bar_offset, bar_width, autocvar_hud_panel_strafehud_bar_color, autocvar_hud_panel_strafehud_bar_alpha);
570 bool indicator_direction = direction < 0;
571 // invert left/right if strafing backwards
574 indicator_direction = !indicator_direction;
576 // draw the direction indicator caps at the sides of the hud
578 drawfill(panel_pos + eX * (indicator_direction ? -direction_size_vertical.x : panel_size.x), direction_size_vertical, autocvar_hud_panel_strafehud_direction_color, panel_fg_alpha, DRAWFLAG_NORMAL);
579 // top horizontal line
580 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, panel_fg_alpha, DRAWFLAG_NORMAL);
581 // bottom horizontal line
582 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, panel_fg_alpha, DRAWFLAG_NORMAL);
585 if(show_indicators) // only draw indicators if enabled and minspeed is reached
587 // draw best angles for acceleration
588 vector indicator_color;
589 float offset = !odd_angles ? bestangle_offset : odd_bestangle_offset;
590 float switch_offset = !odd_angles ? switch_bestangle_offset : switch_odd_bestangle_offset;
591 // both indicators are yellow if no direction can be determined
592 indicator_color = direction != 0 ? autocvar_hud_panel_strafehud_indicator_color : autocvar_hud_panel_strafehud_indicator_switch_color;
593 HUD_Panel_DrawStrafeHUD_drawfill(switch_offset, bestangle_width, autocvar_hud_panel_strafehud_indicator_switch_color, 1);
594 HUD_Panel_DrawStrafeHUD_drawfill(offset, bestangle_width, indicator_color, 1);
598 if(speed < (maxspeed + antiflicker_speed) && speed > 0)
600 bestangle_anywhere = true; // moving forward should suffice to gain speed
603 // draw the actual strafe angle
604 if(!bestangle_anywhere) // player gains speed with strafing
606 if((direction > 0 && (angle >= bestangle || angle <= -(bestangle + wishangle*2))) ||
607 (direction < 0 && (angle <= bestangle || angle >= -(bestangle + wishangle*2))))
608 currentangle_color = autocvar_hud_panel_strafehud_good_color;
611 if(fabs(moveangle) > 90) // player is overturning
613 currentangle_color = autocvar_hud_panel_strafehud_alert_color;
615 else if(bestangle_anywhere) // player gains speed without strafing
617 currentangle_color = autocvar_hud_panel_strafehud_good_color;
620 if(mode == 0 || straight_overturn)
622 currentangle_offset = panel_size.x/2;
624 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);
628 // functions to make hud elements align perfectly in the hud area
629 void HUD_Panel_DrawStrafeHUD_ProgressBar(float offset, float width, vector color, float alpha)
631 float mirror_offset, mirror_width;
632 vector size = panel_size;
633 vector mirror_size = panel_size;
637 mirror_width = min(fabs(offset), width);
638 mirror_offset = panel_size.x + hidden_width - fabs(offset);
644 mirror_width = min(offset + width - panel_size.x - hidden_width, width);
645 mirror_offset = max(offset - panel_size.x - hidden_width, 0);
647 if((offset + width) > panel_size.x)
649 width = panel_size.x - offset;
651 if(mirror_offset < 0)
653 mirror_width += mirror_offset;
656 if((mirror_offset + mirror_width) > panel_size.x)
658 mirror_width = panel_size.x - mirror_offset;
662 mirror_size.x = mirror_width;
663 if(mirror_size.x > 0 && mirror_size.y > 0) HUD_Panel_DrawProgressBar(panel_pos + eX * mirror_offset, mirror_size, "progressbar", 1, 0, 0, color, alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
664 if(size.x > 0 && size.y > 0) HUD_Panel_DrawProgressBar(panel_pos + eX * offset, size, "progressbar", 1, 0, 0, color, alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
667 void HUD_Panel_DrawStrafeHUD_drawfill(float offset, float width, vector color, float alpha)
669 float mirror_offset, mirror_width;
670 vector size = panel_size;
671 vector mirror_size = panel_size;
675 mirror_width = min(fabs(offset), width);
676 mirror_offset = panel_size.x + hidden_width - fabs(offset);
682 mirror_width = min(offset + width - panel_size.x - hidden_width, width);
683 mirror_offset = max(offset - panel_size.x - hidden_width, 0);
685 if((offset + width) > panel_size.x)
687 width = panel_size.x - offset;
689 if(mirror_offset < 0)
691 mirror_width += mirror_offset;
694 if((mirror_offset + mirror_width) > panel_size.x)
696 mirror_width = panel_size.x - mirror_offset;
700 mirror_size.x = mirror_width;
701 if(mirror_width > 0) drawfill(panel_pos + eX * mirror_offset, mirror_size, color, alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
702 if(width > 0) drawfill(panel_pos + eX * offset, size, color, alpha * panel_fg_alpha, DRAWFLAG_NORMAL);