2 * Copyright (C) Volition, Inc. 1999. All rights reserved.
4 * All source code herein is the property of Volition, Inc. You may not sell
5 * or otherwise commercially exploit the source or things you created based on the
13 #include "osregistry.h"
19 static int Joy_ff_enabled = 0;
20 static int Joy_ff_acquired = 0;
21 static SDL_Haptic *haptic = NULL;
22 static int joy_ff_handling_scaler = 0;
23 static int Joy_ff_directional_hit_effect_enabled = 1;
24 static int Joy_rumble = 0;
25 static int Joy_ff_afterburning = 0;
33 static haptic_effect_t pHitEffect1;
34 static haptic_effect_t pHitEffect2;
35 static haptic_effect_t pAfterburn1;
36 static haptic_effect_t pAfterburn2;
37 static haptic_effect_t pShootEffect;
38 static haptic_effect_t pSecShootEffect;
39 static haptic_effect_t pSpring;
40 static haptic_effect_t pDock;
42 static void joy_ff_create_effects();
43 static int joy_ff_effect_playing(haptic_effect_t *eff);
44 static void joy_ff_start_effect(haptic_effect_t *eff, const char *name);
46 extern SDL_Joystick *sdljoy;
53 ff_enabled = os_config_read_uint("Controls", "EnableJoystickFF", 0);
55 if ( !ff_enabled || !SDL_JoystickIsHaptic(sdljoy) ) {
59 if (SDL_InitSubSystem(SDL_INIT_HAPTIC) < 0) {
60 mprintf((" ERROR: Unable to initialize haptic subsystem\n"));
64 haptic = SDL_HapticOpenFromJoystick(sdljoy);
67 mprintf((" ERROR: Unable to open haptic joystick\n"));
68 SDL_QuitSubSystem(SDL_INIT_HAPTIC);
72 if ( SDL_HapticRumbleSupported(haptic) ) {
73 SDL_HapticRumbleInit(haptic);
77 mprintf((" Rumble : %s\n", Joy_rumble ? "Yes" : "No"));
78 mprintf((" Axes : %d\n", SDL_HapticNumAxes(haptic)));
79 mprintf((" Max effects : %d\n", SDL_HapticNumEffects(haptic)));
80 mprintf((" Running effects : %d\n", SDL_HapticNumEffectsPlaying(haptic)));
82 joy_ff_create_effects();
87 Joy_ff_directional_hit_effect_enabled = os_config_read_uint("Controls", "EnableHitEffect", 1);
92 void joy_ff_shutdown()
94 if ( !Joy_ff_enabled ) {
100 SDL_HapticClose(haptic);
103 SDL_QuitSubSystem(SDL_INIT_HAPTIC);
109 static void joy_ff_create_effects()
111 // clear all SDL errors
114 unsigned int supported = 0;
116 supported = SDL_HapticQuery(haptic);
118 if ( !(supported & SDL_HAPTIC_CONSTANT) ) {
119 mprintf((" Constant Force : not supported\n"));
122 if ( !(supported & SDL_HAPTIC_SINE) ) {
123 mprintf((" Sine Wave : not supported\n"));
126 if ( !(supported & SDL_HAPTIC_SAWTOOTHDOWN) ) {
127 mprintf((" Sawtooth Down : not supported\n"));
130 if ( !(supported & SDL_HAPTIC_SPRING) ) {
131 mprintf((" Spring : not supported\n"));
134 if ( !(supported & SDL_HAPTIC_SQUARE) ) {
135 mprintf((" Square : not supported\n"));
138 if ( !(supported & SDL_HAPTIC_TRIANGLE) ) {
139 mprintf((" Triangle : not supported\n"));
143 if (supported & SDL_HAPTIC_SPRING) {
145 memset(&pSpring, 0, sizeof(haptic_effect_t));
147 pSpring.eff.type = SDL_HAPTIC_SPRING;
148 pSpring.eff.condition.length = SDL_HAPTIC_INFINITY;
150 for (int i = 0; i < SDL_HapticNumAxes(haptic); i++) {
151 pSpring.eff.condition.right_sat[i] = 0x7FFF;
152 pSpring.eff.condition.left_sat[i] = 0x7FFF;
153 pSpring.eff.condition.right_coeff[i] = 0x147;
154 pSpring.eff.condition.left_coeff[i] = 0x147;
157 pSpring.id = SDL_HapticNewEffect(haptic, &pSpring.eff);
159 if (pSpring.id < 0) {
160 mprintf((" Spring effect failed to load:\n %s\n", SDL_GetError()));
166 if (supported & SDL_HAPTIC_SAWTOOTHDOWN) {
168 memset(&pShootEffect, 0, sizeof(haptic_effect_t));
170 pShootEffect.eff.type = SDL_HAPTIC_SAWTOOTHDOWN;
171 pShootEffect.eff.periodic.direction.type = SDL_HAPTIC_POLAR;
172 pShootEffect.eff.periodic.direction.dir[0] = 0;
173 pShootEffect.eff.periodic.length = 160;
174 pShootEffect.eff.periodic.period = 20;
175 pShootEffect.eff.periodic.magnitude = 0x7FFF;
176 pShootEffect.eff.periodic.fade_length = 120;
178 pShootEffect.id = SDL_HapticNewEffect(haptic, &pShootEffect.eff);
180 if (pShootEffect.id < 0) {
181 mprintf((" Fire primary effect failed to load:\n %s\n", SDL_GetError()));
183 pShootEffect.loaded = 1;
187 if (supported & SDL_HAPTIC_CONSTANT) {
189 memset(&pSecShootEffect, 0, sizeof(haptic_effect_t));
191 pSecShootEffect.eff.type = SDL_HAPTIC_CONSTANT;
192 pSecShootEffect.eff.constant.direction.type = SDL_HAPTIC_POLAR;
193 pSecShootEffect.eff.constant.direction.dir[0] = 0;
194 pSecShootEffect.eff.constant.length = 200;
195 pSecShootEffect.eff.constant.level = 0x7FFF;
196 pSecShootEffect.eff.constant.attack_length = 50;
197 pSecShootEffect.eff.constant.attack_level = 0x7FFF;
198 pSecShootEffect.eff.constant.fade_length = 100;
199 pSecShootEffect.eff.constant.fade_level = 1;
201 pSecShootEffect.id = SDL_HapticNewEffect(haptic, &pSecShootEffect.eff);
203 if (pSecShootEffect.id < 0) {
204 mprintf((" Fire secondary effect failed to load:\n %s\n", SDL_GetError()));
206 pSecShootEffect.loaded = 1;
210 if (supported & SDL_HAPTIC_SINE) {
212 memset(&pAfterburn1, 0, sizeof(haptic_effect_t));
214 pAfterburn1.eff.type = SDL_HAPTIC_SINE;
215 pAfterburn1.eff.periodic.direction.type = SDL_HAPTIC_POLAR;
216 pAfterburn1.eff.periodic.direction.dir[0] = 0;
217 pAfterburn1.eff.periodic.length = SDL_HAPTIC_INFINITY;
218 pAfterburn1.eff.periodic.period = 20;
219 pAfterburn1.eff.periodic.magnitude = 0x3332;
221 pAfterburn1.id = SDL_HapticNewEffect(haptic, &pAfterburn1.eff);
223 if (pAfterburn1.id < 0) {
224 mprintf((" Afterburn effect 1 failed to load:\n %s\n", SDL_GetError()));
226 pAfterburn1.loaded = 1;
230 memset(&pAfterburn2, 0, sizeof(haptic_effect_t));
232 pAfterburn2.eff.type = SDL_HAPTIC_SINE;
233 pAfterburn2.eff.periodic.direction.type = SDL_HAPTIC_POLAR;
234 pAfterburn2.eff.periodic.direction.dir[0] = 9000;
235 pAfterburn2.eff.periodic.length = 125;
236 pAfterburn2.eff.periodic.period = 100;
237 pAfterburn2.eff.periodic.magnitude = 0x1999;
239 pAfterburn2.id = SDL_HapticNewEffect(haptic, &pAfterburn2.eff);
241 if (pAfterburn2.id < 0) {
242 mprintf((" Afterburn effect 2 failed to load:\n %s\n", SDL_GetError()));
244 pAfterburn2.loaded = 1;
248 if (supported & SDL_HAPTIC_CONSTANT) {
250 memset(&pHitEffect1, 0, sizeof(haptic_effect_t));
252 pHitEffect1.eff.type = SDL_HAPTIC_CONSTANT;
253 pHitEffect1.eff.constant.direction.type = SDL_HAPTIC_POLAR;
254 pHitEffect1.eff.constant.direction.dir[0] = 0;
255 pHitEffect1.eff.constant.length = 300;
256 pHitEffect1.eff.constant.level = 0x7FFF;
257 pHitEffect1.eff.constant.attack_length = 0;
258 pHitEffect1.eff.constant.attack_level = 0x7FFF;
259 pHitEffect1.eff.constant.fade_length = 120;
260 pHitEffect1.eff.constant.fade_level = 1;
262 pHitEffect1.id = SDL_HapticNewEffect(haptic, &pHitEffect1.eff);
264 if (pHitEffect1.id < 0) {
265 mprintf((" Hit effect 1 failed to load:\n %s\n", SDL_GetError()));
267 pHitEffect1.loaded = 1;
271 if (supported & SDL_HAPTIC_SINE) {
273 memset(&pHitEffect2, 0, sizeof(haptic_effect_t));
275 pHitEffect2.eff.type = SDL_HAPTIC_SINE;
276 pHitEffect2.eff.periodic.direction.type = SDL_HAPTIC_POLAR;
277 pHitEffect2.eff.periodic.direction.dir[0] = 9000;
278 pHitEffect2.eff.periodic.length = 300;
279 pHitEffect2.eff.periodic.period = 100;
280 pHitEffect2.eff.periodic.magnitude = 0x7FFF;
281 pHitEffect2.eff.periodic.attack_length = 100;
282 pHitEffect2.eff.periodic.fade_length = 100;
284 pHitEffect2.id = SDL_HapticNewEffect(haptic, &pHitEffect2.eff);
286 if (pHitEffect2.id < 0) {
287 mprintf((" Hit effect 2 failed to load:\n %s\n", SDL_GetError()));
289 pHitEffect2.loaded = 1;
293 // if (supported & SDL_HAPTIC_SQUARE) {
294 if (supported & SDL_HAPTIC_TRIANGLE) {
296 memset(&pDock, 0, sizeof(haptic_effect_t));
298 // pDock.eff.type = SDL_HAPTIC_SQUARE;
299 pDock.eff.type = SDL_HAPTIC_TRIANGLE;
300 pDock.eff.periodic.direction.type = SDL_HAPTIC_POLAR;
301 pDock.eff.periodic.direction.dir[0] = 9000;
302 pDock.eff.periodic.length = 125;
303 pDock.eff.periodic.period = 100;
304 pDock.eff.periodic.magnitude = 0x3332;
306 pDock.id = SDL_HapticNewEffect(haptic, &pDock.eff);
309 mprintf((" Dock effect failed to load:\n %s\n", SDL_GetError()));
316 static bool joy_ff_can_play()
318 return (Joy_ff_enabled && Joy_ff_acquired);
321 static void joy_ff_update_effect(haptic_effect_t *eff, const char *name)
323 if ( !eff->loaded ) {
327 if ( SDL_HapticUpdateEffect(haptic, eff->id, &eff->eff) < 0 ) {
328 mprintf(("HapticERROR: Unable to update %s:\n %s\n", name, SDL_GetError()));
332 static void joy_ff_start_effect(haptic_effect_t *eff, const char *name)
334 if ( !eff->loaded ) {
338 // nprintf(("Joystick", "FF: Starting effect %s\n", name));
340 if ( SDL_HapticRunEffect(haptic, eff->id, 1) ) {
341 mprintf(("HapticERROR: Unable to run %s:\n %s\n", name, SDL_GetError()));
345 void joy_ff_stop_effects()
347 if ( !Joy_ff_enabled ) {
351 SDL_HapticStopAll(haptic);
354 void joy_ff_mission_init(vector v)
358 joy_ff_handling_scaler = (int) ((vm_vec_mag(&v) + 1.3f) * 5.0f);
360 Joy_ff_afterburning = 0;
362 joy_ff_adjust_handling(0);
364 if ( !joy_ff_effect_playing(&pSpring) ) {
365 joy_ff_start_effect(&pSpring, "Spring");
368 // reset afterburn effects to default values
370 pAfterburn1.eff.periodic.length = SDL_HAPTIC_INFINITY;
371 pAfterburn1.eff.periodic.period = 20;
372 pAfterburn1.eff.periodic.magnitude = 0x3332;
373 pAfterburn1.eff.periodic.attack_length = 0;
375 joy_ff_update_effect(&pAfterburn1, "pAfterburn1 (init)");
377 pAfterburn2.eff.periodic.length = SDL_HAPTIC_INFINITY;
378 pAfterburn2.eff.periodic.period = 100;
379 pAfterburn2.eff.periodic.magnitude = 0x1999;
380 pAfterburn2.eff.periodic.attack_length = 0;
382 joy_ff_update_effect(&pAfterburn2, "pAfterburn2 (init)");
384 // reset primary shoot effect to default values
386 pShootEffect.eff.periodic.direction.dir[0] = 0;
387 pShootEffect.eff.periodic.length = 160;
388 pShootEffect.eff.periodic.fade_length = 120;
390 joy_ff_update_effect(&pShootEffect, "pShootEffect (init)");
393 void joy_reacquire_ff()
395 if ( !Joy_ff_enabled ) {
399 if (Joy_ff_acquired) {
403 joy_ff_start_effect(&pSpring, "Spring");
408 void joy_unacquire_ff()
410 if ( !Joy_ff_enabled ) {
414 if ( !Joy_ff_acquired ) {
418 joy_ff_stop_effects();
423 void joy_ff_play_vector_effect(vector *v, float scaler)
428 if ( !joy_ff_can_play() ) {
432 // nprintf(("Joystick", "FF: vec = { %f, %f, %f } s = %f\n", v->xyz.x, v->xyz.y, v->xyz.z, scaler));
433 vm_vec_copy_scale(&vf, v, scaler);
437 if (vf.xyz.y + vf.xyz.z < 0.0f) {
438 y = -vm_vec_mag(&vf);
443 joy_ff_play_dir_effect(-x, -y);
446 void joy_ff_play_dir_effect(float x, float y)
451 if ( !joy_ff_can_play() ) {
455 // allow for at least one of the effects to work
456 if ( !pHitEffect1.loaded && !pHitEffect2.loaded ) {
460 if (joy_ff_effect_playing(&pHitEffect1) || joy_ff_effect_playing(&pHitEffect2)) {
461 nprintf(("Joystick", "FF: HitEffect already playing. Skipping\n"));
465 if (Joy_ff_directional_hit_effect_enabled) {
468 } else if (x < -8000.0f) {
474 } else if (y < -8000.0f) {
478 imag = (int) fl_sqrt(x * x + y * y);
483 degs = (float)atan2(x, y);
484 idegs = (int) (degs * 18000.0f / PI) + 90;
489 while (idegs >= 36000) {
493 if (pHitEffect1.loaded) {
494 pHitEffect1.eff.constant.direction.dir[0] = idegs;
495 pHitEffect1.eff.constant.level = (Sint16)(32767.0f * (imag / 10000.0f));
497 joy_ff_update_effect(&pHitEffect1, "pHitEffect1");
504 if (pHitEffect2.loaded) {
505 pHitEffect2.eff.periodic.direction.dir[0] = idegs;
506 pHitEffect2.eff.periodic.magnitude = (Sint16)(32767.0f * (imag / 10000.0f));
508 joy_ff_update_effect(&pHitEffect2, "pHitEffect2");
512 joy_ff_start_effect(&pHitEffect1, "HitEffect1");
513 joy_ff_start_effect(&pHitEffect2, "HitEffect2");
516 void joy_ff_play_primary_shoot(int gain)
518 if ( !joy_ff_can_play() ) {
522 if ( !pShootEffect.loaded && !Joy_rumble ) {
528 if (pShootEffect.loaded) {
529 SDL_HapticStopEffect(haptic, pShootEffect.id);
531 static int primary_ff_level = 10000;
533 if (gain != primary_ff_level) {
534 pShootEffect.eff.periodic.magnitude = (Sint16)(32767.0f * (gain / 10000.0f));
536 joy_ff_update_effect(&pShootEffect, "pShootEffect");
538 primary_ff_level = gain;
541 joy_ff_start_effect(&pShootEffect, "ShootEffect");
542 } else if (Joy_rumble) {
543 static int rumble_timeout = 1;
545 if ( timestamp_elapsed(rumble_timeout) ) {
546 SDL_HapticRumblePlay(haptic, gain / 10000.0f, 100);
548 rumble_timeout = timestamp(100);
553 void joy_ff_play_secondary_shoot(int gain)
555 if ( !joy_ff_can_play() ) {
559 if ( !pSecShootEffect.loaded && !Joy_rumble ) {
563 gain = gain * 100 + 2500;
567 if (pSecShootEffect.loaded) {
568 SDL_HapticStopEffect(haptic, pSecShootEffect.id);
570 static int secondary_ff_level = 10000;
572 if (gain != secondary_ff_level) {
573 pSecShootEffect.eff.constant.level = (Sint16)(32767.0f * (gain / 10000.0f));
574 pSecShootEffect.eff.constant.length = (150000 + gain * 25) / 1000;
576 joy_ff_update_effect(&pSecShootEffect, "pSecShootEffect");
578 secondary_ff_level = gain;
579 nprintf(("Joystick", "FF: Secondary force = 0x%04x\n", pSecShootEffect.eff.constant.level));
582 joy_ff_start_effect(&pSecShootEffect, "SecShootEffect");
583 } else if (Joy_rumble) {
584 static int rumble_timeout = 1;
586 if ( timestamp_elapsed(rumble_timeout) ) {
587 int duration = (150000 + gain * 25) / 1000;
589 SDL_HapticRumblePlay(haptic, gain / 10000.0f, duration);
591 rumble_timeout = timestamp(duration);
596 void joy_ff_adjust_handling(int speed)
601 if ( !joy_ff_can_play() ) {
605 if ( !pSpring.loaded ) {
609 static int last_speed = -1000;
611 if (speed == last_speed) {
617 v = speed * joy_ff_handling_scaler * 2 / 3;
618 // v += joy_ff_handling_scaler * joy_ff_handling_scaler * 6 / 7 + 250;
619 v += joy_ff_handling_scaler * 45 - 500;
623 coeff = (short)(32767.0f * (v / 10000.0f));
625 for (int i = 0; i < SDL_HapticNumAxes(haptic); i++) {
626 pSpring.eff.condition.right_coeff[i] = coeff;
627 pSpring.eff.condition.left_coeff[i] = coeff;
630 // nprintf(("Joystick", "FF: New handling force = 0x%04x\n", coeff));
632 joy_ff_update_effect(&pSpring, "pSpring");
635 static int joy_ff_effect_playing(haptic_effect_t *eff)
637 if ( !eff->loaded ) {
640 return (SDL_HapticGetEffectStatus(haptic, eff->id) > 0);
646 if ( !joy_ff_can_play() ) {
650 if ( !pDock.loaded ) {
654 SDL_HapticStopEffect(haptic, pDock.id);
656 pDock.eff.periodic.magnitude = 0x3332;
658 joy_ff_update_effect(&pDock, "pDock");
660 joy_ff_start_effect(&pDock, "Dock");
663 void joy_ff_play_reload_effect()
665 if ( !joy_ff_can_play() ) {
669 if ( !pDock.loaded ) {
673 SDL_HapticStopEffect(haptic, pDock.id);
675 pDock.eff.periodic.magnitude = 0x1999;
677 joy_ff_update_effect(&pDock, "pDock (reload)");
679 joy_ff_start_effect(&pDock, "Dock (Reload)");
682 void joy_ff_afterburn_on()
684 if ( !joy_ff_can_play() ) {
688 if (Joy_ff_afterburning) {
692 if ( !(pAfterburn1.loaded && pAfterburn2.loaded) ) {
696 SDL_HapticStopEffect(haptic, pAfterburn1.id);
698 pAfterburn1.eff.periodic.length = SDL_HAPTIC_INFINITY;
699 pAfterburn1.eff.periodic.magnitude = 0x3332;
701 joy_ff_update_effect(&pAfterburn1, "pAfterburn1");
703 SDL_HapticStopEffect(haptic, pAfterburn2.id);
705 pAfterburn2.eff.periodic.length = SDL_HAPTIC_INFINITY;
706 pAfterburn2.eff.periodic.magnitude = 0x1999;
708 joy_ff_update_effect(&pAfterburn2, "pAfterburn2");
710 joy_ff_start_effect(&pAfterburn1, "Afterburn1");
711 joy_ff_start_effect(&pAfterburn2, "Afterburn2");
713 // nprintf(("Joystick", "FF: Afterburn started\n"));
715 Joy_ff_afterburning = 1;
718 void joy_ff_afterburn_off()
720 if ( !joy_ff_can_play() ) {
724 if ( !Joy_ff_afterburning ) {
728 if (pAfterburn1.loaded) {
729 SDL_HapticStopEffect(haptic, pAfterburn1.id);
732 if (pAfterburn2.loaded) {
733 SDL_HapticStopEffect(haptic, pAfterburn2.id);
736 Joy_ff_afterburning = 0;
738 // nprintf(("Joystick", "FF: Afterburn stopped\n"));
741 void joy_ff_explode()
743 if ( !joy_ff_can_play() ) {
747 if (pAfterburn1.loaded) {
748 SDL_HapticStopEffect(haptic, pAfterburn1.id);
751 if (pAfterburn2.loaded) {
752 SDL_HapticStopEffect(haptic, pAfterburn2.id);
755 if (pShootEffect.loaded) {
756 SDL_HapticStopEffect(haptic, pShootEffect.id);
758 pShootEffect.eff.periodic.direction.dir[0] = 9000;
759 pShootEffect.eff.periodic.length = 500;
760 pShootEffect.eff.periodic.magnitude = 0x7FFF;
761 pShootEffect.eff.periodic.fade_length = 500;
763 joy_ff_update_effect(&pShootEffect, "pShootEffect (explode)");
765 joy_ff_start_effect(&pShootEffect, "ShootEffect (Explode)");
766 } else if (Joy_rumble) {
767 static int rumble_timeout = 1;
769 if ( timestamp_elapsed(rumble_timeout) ) {
770 SDL_HapticRumblePlay(haptic, 1.0f, 500);
772 rumble_timeout = timestamp(500);
776 Joy_ff_afterburning = 0;
779 void joy_ff_fly_by(int mag)
783 if ( !joy_ff_can_play() ) {
787 if (Joy_ff_afterburning) {
791 if ( !(pAfterburn1.loaded && pAfterburn2.loaded) ) {
795 gain = mag * 120 + 4000;
799 SDL_HapticStopEffect(haptic, pAfterburn1.id);
801 pAfterburn1.eff.periodic.length = (6000 * mag + 400000) / 1000;
802 pAfterburn1.eff.periodic.magnitude = (Sint16)(26212.0f * (gain / 10000.0f));
804 joy_ff_update_effect(&pAfterburn1, "pAfterburn1 (flyby)");
806 SDL_HapticStopEffect(haptic, pAfterburn2.id);
808 pAfterburn2.eff.periodic.length = (6000 * mag + 400000) / 1000;
809 pAfterburn2.eff.periodic.magnitude = (Sint16)(13106.0f * (gain / 10000.0f));
811 joy_ff_update_effect(&pAfterburn2, "pAfterburn2 (flyby)");
813 joy_ff_start_effect(&pAfterburn1, "Afterburn1 (Fly by)");
814 joy_ff_start_effect(&pAfterburn2, "Afterburn2 (Fly by)");
817 void joy_ff_deathroll()
819 if ( !joy_ff_can_play() ) {
823 if (pAfterburn1.loaded && pAfterburn2.loaded) {
824 SDL_HapticStopEffect(haptic, pAfterburn1.id);
826 pAfterburn1.eff.periodic.length = SDL_HAPTIC_INFINITY;
827 pAfterburn1.eff.periodic.period = 200;
828 pAfterburn1.eff.periodic.magnitude = 0x7FFF;
829 pAfterburn1.eff.periodic.attack_length = 200;
831 joy_ff_update_effect(&pAfterburn1, "pAfterburn1 (deathroll)");
833 SDL_HapticStopEffect(haptic, pAfterburn2.id);
835 pAfterburn2.eff.periodic.length = SDL_HAPTIC_INFINITY;
836 pAfterburn2.eff.periodic.period = 200;
837 pAfterburn2.eff.periodic.magnitude = 0x7FFF;
838 pAfterburn2.eff.periodic.attack_length = 200;
840 joy_ff_update_effect(&pAfterburn2, "pAfterburn2 (deathroll)");
842 joy_ff_start_effect(&pAfterburn1, "Afterburn1 (Death Roll)");
843 joy_ff_start_effect(&pAfterburn2, "Afterburn2 (Death Roll)");
845 Joy_ff_afterburning = 1;