2 * $Logfile: /Freespace2/code/Ship/ShipHit.cpp $
7 * Code to deal with a ship getting hit by something, be it a missile, dog, or ship.
10 * Revision 1.2 2002/05/03 13:34:34 theoddone33
13 * Revision 1.1.1.1 2002/05/03 03:28:10 root
17 * 61 9/14/99 3:26a Dave
18 * Fixed laser fogging problem in nebula (D3D)> Fixed multiplayer
19 * respawn-too-early problem. Made a few crash points safe.
21 * 60 9/13/99 4:52p Dave
24 * 59 9/09/99 11:17a Jimb
25 * Removed bogus Int3() in do_subobj_hit_stuff().
27 * 58 9/07/99 4:01p Dave
28 * Fixed up a string.tbl paroblem (self destruct message). Make sure IPX
29 * does everything properly (setting up address when binding). Remove
30 * black rectangle background from UI_INPUTBOX.
32 * 57 9/03/99 11:39p Mikek
33 * Fix problem in sm3-01 of dual-fired Helios bombs only doing 1/4 damage.
35 * 56 9/03/99 2:24p Mikek
36 * Decrease overall damage done to player at Medium and Hard. I believe
37 * this was the major culprit in Flak cannons being so nasty. The firing
38 * rate seems to not have been an issue.
40 * 55 9/02/99 11:55a Mikek
41 * Zero damage to small ship subsystems from shockwaves.
43 * 54 9/01/99 10:15a Dave
45 * 53 8/27/99 10:42a Andsager
46 * Don't reposition shockwave for BIG only HUGE ships
48 * 52 8/27/99 1:34a Andsager
49 * Modify damage by shockwaves for BIG|HUGE ships. Modify shockwave damge
50 * when weapon blows up.
52 * 51 8/26/99 10:46p Andsager
53 * Apply shockwave damage to lethality.
55 * 50 8/26/99 8:52p Dave
56 * Gave multiplayer TvT messaging a heavy dose of sanity. Cheat codes.
58 * 49 8/26/99 5:14p Andsager
60 * 48 8/26/99 9:45a Dave
61 * First pass at easter eggs and cheats.
63 * 47 8/23/99 11:59a Andsager
64 * Force choice of big fireball when Knossos destroyed. Allow logging of
65 * ship destroyed when no killer_name (ie, from debug).
67 * 46 8/22/99 5:53p Dave
68 * Scoring fixes. Added self destruct key. Put callsigns in the logfile
69 * instead of ship designations for multiplayer players.
71 * 45 8/22/99 1:19p Dave
72 * Fixed up http proxy code. Cleaned up scoring code. Reverse the order in
73 * which d3d cards are detected.
75 * 44 8/20/99 5:09p Andsager
76 * Second pass on Knossos device explosion
78 * 43 8/20/99 1:42p Andsager
79 * Frist pass on Knossos explosion.
81 * 42 8/06/99 9:46p Dave
82 * Hopefully final changes for the demo.
84 * 41 8/03/99 11:02p Dave
85 * Maybe fixed sync problems in multiplayer.
87 * 40 8/02/99 1:59p Dave
88 * Fixed improper damage application to subobjects on a "big damage" ship.
90 * 39 7/24/99 1:54p Dave
91 * Hud text flash gauge. Reworked dead popup to use 4 buttons in red-alert
94 * 38 7/19/99 7:20p Dave
95 * Beam tooling. Specialized player-killed-self messages. Fixed d3d nebula
98 * 37 7/09/99 12:51a Andsager
99 * Modify engine wash (1) less damage (2) only at a closer range (3) no
100 * damage when engine is disabled
102 * 36 6/30/99 5:53p Dave
103 * Put in new anti-camper code.
105 * 35 6/28/99 4:51p Andsager
106 * Add ship-guardian sexp (does not allow ship to be killed)
108 * 34 6/21/99 7:25p Dave
109 * netplayer pain packet. Added type E unmoving beams.
111 * 33 6/10/99 3:43p Dave
112 * Do a better job of syncing text colors to HUD gauges.
114 * 32 5/27/99 12:14p Andsager
115 * Some fixes for live debris when more than one subsys on ship with live
116 * debris. Set subsys strength (when 0) blows off subsystem.
117 * sexp_hits_left_subsystem works for SUBSYSTEM_UNKNOWN.
119 * 31 5/21/99 5:03p Andsager
120 * Add code to display engine wash death. Modify ship_kill_packet
122 * 30 5/21/99 1:44p Andsager
123 * Add engine wash gauge
125 * 29 5/14/99 11:50a Andsager
126 * Added vaporize for SMALL ships hit by HUGE beams. Modified dying
127 * frame. Enlarged debris shards and range at which visible.
129 * 28 5/12/99 2:55p Andsager
130 * Implemented level 2 tag as priority in turret object selection
132 * 27 5/11/99 10:16p Andsager
133 * First pass on engine wash effect. Rotation (control input), damage,
136 * 26 4/28/99 11:13p Dave
137 * Temporary checkin of artillery code.
139 * 25 4/23/99 12:01p Johnson
140 * Added SIF_HUGE_SHIP
142 * 24 4/20/99 3:43p Andsager
143 * Added normal parameter to ship_apply_local_damage for case of ship_ship
146 * 23 4/16/99 5:54p Dave
147 * Support for on/off style "stream" weapons. Real early support for
148 * target-painting lasers.
150 * 22 3/29/99 6:17p Dave
151 * More work on demo system. Got just about everything in except for
152 * blowing ships up, secondary weapons and player death/warpout.
154 * 21 3/19/99 9:51a Dave
155 * Checkin to repair massive source safe crash. Also added support for
156 * pof-style nebulae, and some new weapons code.
158 * 21 3/15/99 6:45p Daveb
159 * Put in rough nebula bitmap support.
161 * 20 3/10/99 6:51p Dave
162 * Changed the way we buffer packets for all clients. Optimized turret
163 * fired packets. Did some weapon firing optimizations.
165 * 19 2/26/99 6:01p Andsager
166 * Add sexp has-been-tagged-delay and cap-subsys-cargo-known-delay
168 * 18 2/26/99 5:39p Johnson
169 * Put in some handling code for an assert().
171 * 17 2/11/99 5:22p Andsager
172 * Fixed bugs, generalized block Sexp_variables
174 * 16 2/05/99 10:38a Johnson
175 * Fixed improper object array reference.
177 * 15 2/04/99 1:23p Andsager
178 * Apply max spark limit to ships created in mission parse
180 * 14 1/30/99 1:29a Dave
181 * Fixed nebula thumbnail problem. Full support for 1024x768 choose pilot
182 * screen. Fixed beam weapon death messages.
184 * 13 1/29/99 2:08a Dave
185 * Fixed beam weapon collisions with players. Reduced size of scoring
186 * struct for multiplayer. Disabled PXO.
188 * 12 1/27/99 10:25p Andsager
189 * Added OEM sparks - make intelligent choice of next spark location for
190 * cruiser and cap ships
192 * 11 1/25/99 5:03a Dave
193 * First run of stealth, AWACS and TAG missile support. New mission type
196 * 10 1/21/99 4:22p Anoop
197 * Removed bogus Int3() from show_dead_message(...)
199 * 9 1/12/99 5:45p Dave
200 * Moved weapon pipeline in multiplayer to almost exclusively client side.
201 * Very good results. Bandwidth goes down, playability goes up for crappy
202 * connections. Fixed object update problem for ship subsystems.
204 * 8 12/23/98 2:53p Andsager
205 * Added ship activation and gas collection subsystems, removed bridge
207 * 7 11/17/98 4:27p Andsager
208 * Stop sparks from emitting from destroyed subobjects
210 * 6 11/09/98 2:11p Dave
211 * Nebula optimizations.
213 * 5 10/26/98 9:42a Dave
214 * Early flak gun support.
216 * 4 10/20/98 1:39p Andsager
217 * Make so sparks follow animated ship submodels. Modify
218 * ship_weapon_do_hit_stuff() and ship_apply_local_damage() to add
219 * submodel_num. Add submodel_num to multiplayer hit packet.
221 * 3 10/13/98 9:29a Dave
222 * Started neatening up freespace.h. Many variables renamed and
223 * reorganized. Added AlphaColors.[h,cpp]
225 * 2 10/07/98 10:53a Dave
228 * 1 10/07/98 10:51a Dave
230 * 145 9/01/98 6:48p Dave
231 * Energy suck weapon. Removed a couple of now-bogus asserts in tracker
234 * 144 8/25/98 1:48p Dave
235 * First rev of EMP effect. Player side stuff basically done. Next comes
238 * 143 6/09/98 10:31a Hoffoss
239 * Created index numbers for all xstr() references. Any new xstr() stuff
240 * added from here on out should be added to the end if the list. The
241 * current list count can be found in FreeSpace.cpp (search for
244 * 142 5/24/98 8:49p Allender
245 * put in Int3() to try and trap nasty error in multiplayer
247 * 141 5/22/98 12:08p Mike
248 * Don't create "Disarmed" event for small ships.
250 * 140 5/22/98 11:00a Mike
253 * 139 5/18/98 12:41a Allender
254 * fixed subsystem problems on clients (i.e. not reporting properly on
255 * damage indicator). Fixed ingame join problem with respawns. minor
258 * 138 5/13/98 6:54p Dave
259 * More sophistication to PXO interface. Changed respawn checking so
260 * there's no window for desynchronization between the server and the
263 * 137 5/11/98 11:37a Mike
264 * Don't allow deathroll duration for large ships to be shortened by
267 * 136 5/10/98 11:30p Mike
268 * Better firing of bombs, less likely to go into strafe mode.
270 * 135 5/07/98 12:24a Hoffoss
271 * Finished up sidewinder force feedback support.
273 * 134 5/06/98 8:47a Andsager
274 * Initial check in, allow ship sparks to turn on and off depending on
277 * 133 5/06/98 1:12a Allender
278 * fix sequencing names, added nprintf to help respawn debugging
280 * 132 5/04/98 4:07p Andsager
281 * Reduce deathroll rotvel cap and average by 25%.
283 * 131 5/04/98 11:12a Mike
284 * Make kamikaze ships detonate on impact -- no death roll.
286 * 130 4/30/98 12:17a Andsager
287 * Increase deathroll time for big ships and decrease max rotvel for big
290 * 129 4/27/98 6:02p Dave
291 * Modify how missile scoring works. Fixed a team select ui bug. Speed up
292 * multi_lag system. Put in new main hall.
294 * 128 4/27/98 2:23p Andsager
295 * Create fireballs on destroying subsystems of big ships. Limit number
296 * of sparks on small ships.
298 * 127 4/24/98 5:35p Andsager
299 * Fix sparks sometimes drawing not on model. If ship is sphere in
300 * collision, don't draw sparks. Modify ship_apply_local_damage() to take
301 * parameter no_spark.
303 * 126 4/23/98 4:47p Andsager
304 * Make deathroll rotvel have z component largest.
306 * 125 4/22/98 9:10a Andsager
307 * Resrore z component of deathroll rotvel, as before.
309 * 124 4/21/98 11:20p Andsager
310 * Modify deatroll rotvel. Fix bug getting only positive values. Add
311 * random to current rotvel, make z rotvel always larger than x or y.
312 * Move call to shipfx_large_blowup_init into Ship.cpp.
314 * 123 4/21/98 10:38a Mike
315 * Don't allow player to take _any_ kind of damage past stage 2 of
318 * 122 4/20/98 5:10p John
319 * Took out cap of number of shards using num_particles.
321 * 121 4/17/98 1:17p Mike
322 * Fix bug with uninitialized damage_to_apply.
324 * 120 4/17/98 11:05a Mike
325 * Make number of pieces of small debris created by subsystem hits be
326 * based on detail level.
327 * Fix location of turret subsystem. Was doubly globalizing, very bad on
330 * 119 4/16/98 3:40p Mike
331 * Make subsys destroyed messages only get sent once.
333 * 118 4/15/98 11:06p Mike
334 * Better balance of damage done to subsystems by shockwaves.
336 * 117 4/15/98 10:13p Mike
337 * Fix application of damage to subsystems.
339 * 116 4/14/98 9:15p John
340 * Added flag to specify which ships get the new large ship exploding
343 * 115 4/14/98 4:56p John
344 * Hooked in Andsager's large ship exploding code, but it is temporarily
347 * 114 4/12/98 11:16a John
348 * Made palette red hit effect more proportional to damage.
350 * 113 4/10/98 12:16p Allender
351 * fix ship hit kill and debris packets
353 * 112 4/10/98 1:38a Allender
354 * fix bug with -1 vs 255 (for current secondary bank). Undid previous
355 * code for ship_kill packets.
357 * 111 4/09/98 5:44p Allender
358 * multiplayer network object fixes. debris and self destructed ships
359 * should all sync up. Fix problem where debris pieces (hull pieces) were
360 * not getting a net signature
362 * 110 4/09/98 5:27p Mike
363 * Speed up deathrolls for smaller ships a bit.
365 * 109 4/06/98 7:13p Allender
366 * generate the death text
368 * 108 4/01/98 1:48p Allender
369 * major changes to ship collision in multiplayer. Clients now do own
370 * ship/ship collisions (with their own ship only) Modifed the hull
371 * update packet to be sent quicker when object is target of player.
373 * 107 3/31/98 5:19p John
374 * Removed demo/save/restore. Made NDEBUG defined compile. Removed a
375 * bunch of debug stuff out of player file. Made model code be able to
376 * unload models and malloc out only however many models are needed.
379 * 106 3/30/98 2:38p Mike
380 * Add asteroid_density to detail level support.
381 * No force explosion damage in training missions.
382 * Make cargo deathrolls shorter.
384 * 105 3/30/98 1:08a Lawrance
385 * Implement "blast" icon. Blink HUD icon when player ship is hit by a
388 * 104 3/24/98 4:26p Lawrance
389 * Make finding out if player killed self easier and more reliable
391 * 103 3/24/98 2:16p Mike
392 * Fix bug with variation in death roll rotational velocity. It wasn't
393 * getting initialized!
395 * 102 3/21/98 3:36p Lawrance
396 * Let damage gauge know when player has taken damage.
398 * 101 3/21/98 3:37p Mike
399 * Fix/optimize attacking of big ships.
401 * 100 3/19/98 5:35p Lawrance
402 * Correctly inform player if killed by ship explosion.
419 #include "floating.h"
422 #include "fireballs.h"
427 #include "missionlog.h"
428 #include "missionparse.h"
434 #include "freespace.h"
436 #include "linklist.h"
438 #include "hudtarget.h"
440 #include "multiutil.h"
443 #include "eventmusic.h"
446 #include "gamesequence.h"
447 #include "objectsnd.h"
448 #include "cmeasure.h"
449 #include "animplay.h"
450 #include "controlsconfig.h"
451 #include "afterburner.h"
452 #include "shockwave.h"
453 #include "hudsquadmsg.h"
456 #include "multimsgs.h"
457 #include "particle.h"
458 #include "multi_respawn.h"
463 #include "multi_pmsg.h"
465 //#pragma optimize("", off)
466 //#pragma auto_inline(off)
468 typedef struct spark_pair {
473 #define MAX_SPARK_PAIRS ((MAX_SHIP_HITS * MAX_SHIP_HITS - MAX_SHIP_HITS) / 2)
475 #define BIG_SHIP_MIN_RADIUS 80.0f // ship radius above which death rolls can't be shortened by excessive damage
477 vector Dead_camera_pos;
478 vector Original_vec_to_deader;
480 // Decrease damage applied to a subsystem based on skill level.
481 float Skill_level_subsys_damage_scale[NUM_SKILL_LEVELS] = {0.2f, 0.4f, 0.6f, 0.8f, 1.0f};
483 bool is_subsys_destroyed(ship *shipp, int submodel)
487 if (submodel == -1) {
491 for ( subsys=GET_FIRST(&shipp->subsys_list); subsys != END_OF_LIST(&shipp->subsys_list); subsys = GET_NEXT(subsys) ) {
492 if (subsys->system_info->subobj_num == submodel) {
493 if (subsys->current_hits > 0) {
504 // do_subobj_destroyed_stuff is called when a subobject for a ship is killed. Separated out
505 // to separate function on 10/15/97 by MWA for easy multiplayer access. It does all of the
506 // cool things like blowing off the model (if applicable, writing the logs, etc)
507 void do_subobj_destroyed_stuff( ship *ship_p, ship_subsys *subsys, vector* hitpos )
511 model_subsystem *psub;
513 int type, i, log_index;
515 // get some local variables
516 sip = &Ship_info[ship_p->ship_info_index];
517 ship_obj = &Objects[ship_p->objnum];
518 psub = subsys->system_info;
520 get_subsystem_world_pos(ship_obj, subsys, &g_subobj_pos);
522 // create fireballs when subsys destroy for large ships.
523 object* objp = &Objects[ship_p->objnum];
524 if (objp->radius > 100.0f) {
525 // number of fireballs determined by radius of subsys
527 if ( psub->radius < 3 ) {
533 vector temp_vec, center_to_subsys, rand_vec;
534 vm_vec_sub(¢er_to_subsys, &g_subobj_pos, &objp->pos);
535 for (int i=0; i<num_fireballs; i++) {
537 // make first fireball at hitpos
541 temp_vec = g_subobj_pos;
544 // make other fireballs at random positions, but try to keep on the surface
545 vm_vec_rand_vec_quick(&rand_vec);
546 float dot = vm_vec_dotprod(¢er_to_subsys, &rand_vec);
547 vm_vec_scale_add2(&rand_vec, ¢er_to_subsys, -dot/vm_vec_mag_squared(¢er_to_subsys));
548 vm_vec_scale_add(&temp_vec, &g_subobj_pos, &rand_vec, 0.5f*psub->radius);
551 // scale fireball size according to size of subsystem, but not less than 10
552 float fireball_rad = psub->radius * 0.2f;
553 if (fireball_rad < 10) {
554 fireball_rad = 10.0f;
558 vm_vec_crossprod(&fb_vel, &objp->phys_info.rotvel, ¢er_to_subsys);
559 vm_vec_add2(&fb_vel, &objp->phys_info.vel);
560 fireball_create( &temp_vec, FIREBALL_EXPLOSION_MEDIUM, OBJ_INDEX(objp), fireball_rad, 0, &fb_vel );
564 if ( MULTIPLAYER_MASTER ) {
567 index = ship_get_index_from_subsys(subsys, ship_p->objnum);
575 send_subsystem_destroyed_packet( ship_p, index, hit );
578 // next do a quick sanity check on the current hits that we are keeping for the generic subsystems
579 // I think that there might be rounding problems with the floats. This code keeps us safe.
580 if ( ship_p->subsys_info[type].num == 1 ) {
581 ship_p->subsys_info[type].current_hits = 0.0f;
587 for ( ssp=GET_FIRST(&ship_p->subsys_list); ssp != END_OF_LIST(&ship_p->subsys_list); ssp = GET_NEXT(ssp) ) {
588 if ( ssp->system_info->type == type )
589 hits += ssp->current_hits;
591 ship_p->subsys_info[type].current_hits = hits;
594 // store an event in the event log. Also, determine if all turrets or all
595 // engines have been destroyed (if the subsystem is a turret or engine).
596 // put a disabled or disarmed entry in the log if this is the case
598 // MWA -- 1/8/98 A problem was found when trying to determine (via sexpression) when some subsystems
599 // were destroyed. The bottom line is that is the psub->name and psub->subobj_name are different,
600 // then direct detection doesn't work. (This scenario happens mainly with turrets and probably with
601 // engines). So, my solution is to encode the ship_info index, and the subsystem index into one
602 // integer, and pass that as the "index" parameter to add_entry. We'll use that information to
603 // print out the info in the mission log.
604 Assert( ship_p->ship_info_index < 65535 );
606 // get the "index" of this subsystem in the ship info structure.
607 for ( i = 0; i < sip->n_subsystems; i++ ) {
608 if ( &(sip->subsystems[i]) == psub )
611 Assert( i < sip->n_subsystems );
613 log_index = ((ship_p->ship_info_index << 16) & 0xffff0000) | (i & 0xffff);
615 // Don't log or display info about the activation subsytem
616 int display = (psub->type != SUBSYSTEM_ACTIVATION);
618 mission_log_add_entry(LOG_SHIP_SUBSYS_DESTROYED, ship_p->ship_name, psub->subobj_name, log_index );
619 if ( ship_obj == Player_obj ) {
620 snd_play( &Snds[SND_SUBSYS_DIE_1], 0.0f );
621 HUD_printf(XSTR( "Your %s subsystem has been destroyed", 499), psub->name);
625 if ( psub->type == SUBSYSTEM_TURRET ) {
626 if ( ship_p->subsys_info[type].current_hits == 0.0f ) {
627 // Don't create "disarmed" event for small ships.
628 if (!(Ship_info[ship_p->ship_info_index].flags & SIF_SMALL_SHIP)) {
629 mission_log_add_entry(LOG_SHIP_DISARMED, ship_p->ship_name, NULL );
630 // ship_p->flags |= SF_DISARMED;
633 } else if (psub->type == SUBSYSTEM_ENGINE ) {
634 // when an engine is destroyed, we must change the max velocity of the ship
635 // to be some fraction of its normal maximum value
637 if ( ship_p->subsys_info[type].current_hits == 0.0f ) {
638 mission_log_add_entry(LOG_SHIP_DISABLED, ship_p->ship_name, NULL );
639 ship_p->flags |= SF_DISABLED; // add the disabled flag
643 if ( psub->subobj_num > -1 ) {
644 shipfx_blow_off_subsystem(ship_obj,ship_p,subsys,&g_subobj_pos);
645 subsys->submodel_info_1.blown_off = 1;
648 if ( (psub->subobj_num != psub->turret_gun_sobj) && (psub->turret_gun_sobj >-1) ) {
649 subsys->submodel_info_2.blown_off = 1;
652 // play sound effect when subsys gets blown up
654 if ( Ship_info[ship_p->ship_info_index].flags & SIF_HUGE_SHIP ) {
655 sound_index=SND_CAPSHIP_SUBSYS_EXPLODE;
656 } else if ( Ship_info[ship_p->ship_info_index].flags & SIF_BIG_SHIP ) {
657 sound_index=SND_SUBSYS_EXPLODE;
659 if ( sound_index >= 0 ) {
660 snd_play_3d( &Snds[sound_index], &g_subobj_pos, &View_position );
664 // Return weapon type that is associated with damaging_objp
665 // input: damaging_objp => object pointer responsible for damage
666 // exit: -1 => no weapon type is associated with damage object
667 // >=0 => weapon type associated with damage object
668 int shiphit_get_damage_weapon(object *damaging_objp)
670 int weapon_info_index = -1;
672 if ( damaging_objp ) {
673 switch(damaging_objp->type) {
675 weapon_info_index = Weapons[damaging_objp->instance].weapon_info_index;
678 weapon_info_index = shockwave_weapon_index(damaging_objp->instance);
681 weapon_info_index = -1;
686 return weapon_info_index;
689 // Return range at which this object can apply damage.
690 // Based on object type and subsystem type.
691 float subsys_get_range(object *other_obj, ship_subsys *subsys)
695 if (other_obj->type == OBJ_SHOCKWAVE) {
696 range = Shockwaves[other_obj->instance].outer_radius * 0.75f; // Shockwaves were too lethal to subsystems.
697 } else if ( subsys->system_info->type == SUBSYSTEM_TURRET ) {
698 range = subsys->system_info->radius*3;
700 range = subsys->system_info->radius*2;
706 #define MAX_DEBRIS_SHARDS 16 // cap the amount of debris shards that fly off per hit
708 // Make some random debris particles. Previous way was not very random. Create debris 75% of the time.
709 // Don't worry about multiplayer since this debris is the small stuff that cannot collide
710 void create_subsys_debris(object *ship_obj, vector *hitpos)
712 float show_debris = frand();
714 if ( show_debris <= 0.75f ) {
717 ndebris = (int)(show_debris * Detail.num_small_debris) + 1; // number of pieces of debris to create
719 if ( ndebris > MAX_DEBRIS_SHARDS )
720 ndebris = MAX_DEBRIS_SHARDS;
722 //mprintf(( "Damage = %.1f, ndebris=%d\n", show_debris, ndebris ));
723 for (int i=0; i<ndebris; i++ ) {
724 debris_create( ship_obj, -1, -1, hitpos, hitpos, 0, 1.0f );
729 void create_vaporize_debris(object *ship_obj, vector *hitpos)
732 float show_debris = frand();
734 ndebris = (int)(4.0f * ((0.5f + show_debris) * Detail.num_small_debris)) + 5; // number of pieces of debris to create
736 if ( ndebris > MAX_DEBRIS_SHARDS ) {
737 ndebris = MAX_DEBRIS_SHARDS;
740 //mprintf(( "Damage = %.1f, ndebris=%d\n", show_debris, ndebris ));
741 for (int i=0; i<ndebris; i++ ) {
742 debris_create( ship_obj, -1, -1, hitpos, hitpos, 0, 1.4f );
746 #define MAX_SUBSYS_LIST 32
754 // do_subobj_hit_stuff() is called when a collision is detected between a ship and something
755 // else. This is where we see if any sub-objects on the ship should take damage.
757 // Depending on where the collision occurs, the sub-system and surrounding hull will take
758 // different amounts of damage. The amount of damage a sub-object takes depending on how
759 // close the colliding object is to the center of the sub-object. The remaining hull damage
760 // will be returned to the caller via the damage parameter.
763 // 0 -> 0.5 radius : 100% subobject 0% hull
764 // 0.5 -> 1.0 radius : 50% subobject 50% hull
765 // 1.0 -> 2.0 radius : 25% subobject 75% hull
766 // > 2.0 radius : 0% subobject 100% hull
769 // The weapon damage is not neccesarily distributed evently between sub-systems when more than
770 // one sub-system is to take damage. Whenever damage is to be assigned to a sub-system, the above
771 // percentages are used. So, if more than one sub-object is taking damage, the second sub-system
772 // to be assigned damage will take less damage. Eg. weapon hits in the 25% damage range of two
773 // subsytems, and the weapon damage is 12. First subsystem takes 3 points damage. Second subsystem
774 // will take 0.25*9 = 2.25 damage. Should be close enough for most cases, and hull would receive
775 // 0.75 * 9 = 6.75 damage.
777 // Used to use the following constants, but now damage is linearly scaled up to 2x the subsystem
778 // radius. Same damage applied as defined by constants below.
780 // Returns unapplied damage, which will probably be applied to the hull.
782 // Shockwave damage is handled here. If other_obj->type == OBJ_SHOCKWAVE, it's a shockwave.
783 // apply the same damage to all subsystems.
784 // Note: A negative damage number means to destroy the corresponding subsystem. For example, call with -SUBSYSTEM_ENGINE to destroy engine.
786 float do_subobj_hit_stuff(object *ship_obj, object *other_obj, vector *hitpos, float damage)
790 int weapon_info_index;
793 sublist subsys_list[MAX_SUBSYS_LIST];
796 ship_p = &Ships[ship_obj->instance];
798 // Don't damage player subsystems in a training mission.
799 if ( The_mission.game_type & MISSION_TYPE_TRAINING ) {
800 if (ship_obj == Player_obj){
805 // Shockwave damage is applied like weapon damage. It gets consumed.
806 if (other_obj->type == OBJ_SHOCKWAVE) {
807 // MK, 9/2/99. Shockwaves do zero subsystem damage on small ships.
808 if ( Ship_info[ship_p->ship_info_index].flags & (SIF_SMALL_SHIP))
812 damage_left = Shockwaves[other_obj->instance].damage/4.0f;
814 hitpos2 = other_obj->pos;
816 damage_left = damage;
820 // scale subsystem damage if appropriate
821 weapon_info_index = shiphit_get_damage_weapon(other_obj);
822 if ((other_obj->type == OBJ_WEAPON) && ( weapon_info_index >= 0 )) {
823 damage_left *= Weapon_info[weapon_info_index].subsystem_factor;
828 float hitpos_dist = vm_vec_dist( hitpos, &ship_obj->pos );
829 if ( hitpos_dist > ship_obj->radius * 2.0f ) {
830 mprintf(( "BOGUS HITPOS PASSED TO DO_SUBOBJ_HIT_STUFF (%.1f > %.1f)!\n", hitpos_dist, ship_obj->radius * 2.0f ));
831 // Int3(); // Get John ASAP!!!! Someone passed a local coordinate instead of world for hitpos probably.
835 create_subsys_debris(ship_obj, hitpos);
837 // First, create a list of the N subsystems within range.
838 // Then, one at a time, process them in order.
840 for ( subsys=GET_FIRST(&ship_p->subsys_list); subsys != END_OF_LIST(&ship_p->subsys_list); subsys = GET_NEXT(subsys) ) {
842 // Debug option. If damage is negative of subsystem type, then just destroy that subsystem.
844 // single player or multiplayer
845 Assert(Player_ai->targeted_subsys != NULL);
846 if ( (subsys == Player_ai->targeted_subsys) && (subsys->current_hits > 0) ) {
847 Assert(subsys->system_info->type == (int) -damage);
848 ship_p->subsys_info[subsys->system_info->type].current_hits -= subsys->current_hits;
849 if (ship_p->subsys_info[subsys->system_info->type].current_hits < 0) {
850 ship_p->subsys_info[subsys->system_info->type].current_hits = 0.0f;
852 subsys->current_hits = 0.0f;
853 do_subobj_destroyed_stuff( ship_p, subsys, hitpos );
861 if (subsys->current_hits > 0.0f) {
864 // calculate the distance between the hit and the subsystem center
865 get_subsystem_world_pos(ship_obj, subsys, &g_subobj_pos);
866 dist = vm_vec_dist_quick(&hitpos2, &g_subobj_pos);
868 float range = subsys_get_range(other_obj, subsys);
871 subsys_list[count].dist = dist;
872 subsys_list[count].range = range;
873 subsys_list[count].ptr = subsys;
876 if (count >= MAX_SUBSYS_LIST){
883 // Now scan the sorted list of subsystems in range.
884 // Apply damage to the nearest one first, subtracting off damage as we go.
886 for (j=0; j<count; j++) {
891 float min_dist = 9999999.9f;
893 for (i=0; i<count; i++) {
894 if (subsys_list[i].dist < min_dist) {
895 min_dist = subsys_list[i].dist;
899 Assert(min_index != -1);
901 float damage_to_apply = 0.0f;
902 subsys = subsys_list[min_index].ptr;
903 range = subsys_list[min_index].range;
904 dist = subsys_list[min_index].dist;
905 subsys_list[min_index].dist = 9999999.9f; // Make sure we don't use this one again.
909 // When Helios bombs are dual fired against the Juggernaut in sm3-01 (FS2), they often
910 // miss their target. There is code dating to FS1 in the collision code to detect that a bomb or
911 // missile has somehow missed its target. It gets its lifeleft set to 0.1 and then it detonates.
912 // Unfortunately, the shockwave damage was cut by 4 above. So boost it back up here.
913 if ((dist < 10.0f) && (other_obj->type == OBJ_SHOCKWAVE)) {
914 damage_left *= 4.0f * Weapon_info[weapon_info_index].subsystem_factor;;
917 // if (damage_left > 100.0f)
918 // nprintf(("AI", "Applying %7.3f damage to subsystem %7.3f units away.\n", damage_left, dist));
920 if ( dist < range/2.0f ) {
921 damage_to_apply = damage_left;
922 } else if ( dist < range ) {
923 damage_to_apply = damage_left * (1.0f - dist/range);
926 // if we're not in CLIENT_NODAMAGE multiplayer mode (which is a the NEW way of doing things)
927 if (damage_to_apply > 0.1f && !(MULTIPLAYER_CLIENT) && !(Game_mode & GM_DEMO_PLAYBACK)) {
928 // Decrease damage to subsystems to player ships.
929 if (ship_obj->flags & OF_PLAYER_SHIP){
930 damage_to_apply *= Skill_level_subsys_damage_scale[Game_skill_level];
933 subsys->current_hits -= damage_to_apply;
934 ship_p->subsys_info[subsys->system_info->type].current_hits -= damage_to_apply;
935 damage_left -= damage_to_apply; // decrease the damage left to apply to the ship subsystems
937 if (subsys->current_hits < 0.0f) {
938 damage_left -= subsys->current_hits;
939 ship_p->subsys_info[subsys->system_info->type].current_hits -= subsys->current_hits;
940 subsys->current_hits = 0.0f; // set to 0 so repair on subsystem takes immediate effect
943 if ( ship_p->subsys_info[subsys->system_info->type].current_hits < 0.0f ){
944 ship_p->subsys_info[subsys->system_info->type].current_hits = 0.0f;
947 // multiplayer clients never blow up subobj stuff on their own
948 if ( (subsys->current_hits <= 0.0f) && !MULTIPLAYER_CLIENT && !(Game_mode & GM_DEMO_PLAYBACK)){
949 do_subobj_destroyed_stuff( ship_p, subsys, hitpos );
952 if (damage_left <= 0) { // no more damage to distribute, so stop checking
957 //nprintf(("AI", "j=%i, sys = %s, dam = %6.1f, dam left = %6.1f, subhits = %5.0f\n", j, subsys->system_info->name, damage_to_apply, damage_left, subsys->current_hits));
960 // Note: I changed this to return damage_left and it completely screwed up balance.
961 // It had taken a few MX-50s to destory an Anubis (with 40% hull), then it took maybe ten.
962 // So, I left it alone. -- MK, 4/15/98
966 // Store who/what killed the player, so we can tell the player how he died
967 void shiphit_record_player_killer(object *killer_objp, player *p)
969 switch (killer_objp->type) {
972 p->killer_objtype=OBJ_WEAPON;
973 p->killer_weapon_index=Weapons[killer_objp->instance].weapon_info_index;
974 p->killer_species = Ship_info[Ships[Objects[killer_objp->parent].instance].ship_info_index].species;
976 if ( &Objects[killer_objp->parent] == Player_obj ) {
977 // killed by a missile?
978 if(Weapon_info[p->killer_weapon_index].subtype == WP_MISSILE){
979 p->flags |= PLAYER_FLAGS_KILLED_SELF_MISSILES;
981 p->flags |= PLAYER_FLAGS_KILLED_SELF_UNKNOWN;
985 // in multiplayer, record callsign of killer if killed by another player
986 if ( (Game_mode & GM_MULTIPLAYER) && ( Objects[killer_objp->parent].flags & OF_PLAYER_SHIP) ) {
989 pnum = multi_find_player_by_object( &Objects[killer_objp->parent] );
991 strcpy(p->killer_parent_name, Net_players[pnum].player->callsign);
993 nprintf(("Network", "Couldn't find player object of weapon for killer of %s\n", p->callsign));
996 strcpy(p->killer_parent_name, Ships[Objects[killer_objp->parent].instance].ship_name);
1001 p->killer_objtype=OBJ_SHOCKWAVE;
1002 p->killer_weapon_index=shockwave_weapon_index(killer_objp->instance);
1003 p->killer_species = Ship_info[Ships[Objects[killer_objp->parent].instance].ship_info_index].species;
1005 if ( &Objects[killer_objp->parent] == Player_obj ) {
1006 p->flags |= PLAYER_FLAGS_KILLED_SELF_SHOCKWAVE;
1009 if ( (Game_mode & GM_MULTIPLAYER) && ( Objects[killer_objp->parent].flags & OF_PLAYER_SHIP) ) {
1012 pnum = multi_find_player_by_object( &Objects[killer_objp->parent] );
1014 strcpy(p->killer_parent_name, Net_players[pnum].player->callsign);
1016 nprintf(("Network", "Couldn't find player object of shockwave for killer of %s\n", p->callsign));
1019 strcpy(p->killer_parent_name, Ships[Objects[killer_objp->parent].instance].ship_name);
1024 p->killer_objtype=OBJ_SHIP;
1025 p->killer_weapon_index=-1;
1026 p->killer_species = Ship_info[Ships[killer_objp->instance].ship_info_index].species;
1028 if ( Ships[killer_objp->instance].flags & SF_EXPLODED ) {
1029 p->flags |= PLAYER_FLAGS_KILLED_BY_EXPLOSION;
1032 if ( Ships[Objects[p->objnum].instance].wash_killed ) {
1033 p->flags |= PLAYER_FLAGS_KILLED_BY_ENGINE_WASH;
1036 // in multiplayer, record callsign of killer if killed by another player
1037 if ( (Game_mode & GM_MULTIPLAYER) && (killer_objp->flags & OF_PLAYER_SHIP) ) {
1040 pnum = multi_find_player_by_object( killer_objp );
1042 strcpy(p->killer_parent_name, Net_players[pnum].player->callsign);
1044 nprintf(("Network", "Couldn't find player object for killer of %s\n", p->callsign));
1047 strcpy(p->killer_parent_name, Ships[killer_objp->instance].ship_name);
1053 if ( killer_objp->type == OBJ_DEBRIS ) {
1054 p->killer_objtype = OBJ_DEBRIS;
1056 p->killer_objtype = OBJ_ASTEROID;
1058 p->killer_weapon_index=-1;
1059 p->killer_species = SPECIES_NONE;
1060 p->killer_parent_name[0] = '\0';
1065 beam_obj = beam_get_parent(killer_objp);
1066 p->killer_species = SPECIES_NONE;
1067 p->killer_objtype = OBJ_BEAM;
1069 if((Objects[beam_obj].type == OBJ_SHIP) && (Objects[beam_obj].instance >= 0)){
1070 strcpy(p->killer_parent_name, Ships[Objects[beam_obj].instance].ship_name);
1072 p->killer_species = Ship_info[Ships[Objects[beam_obj].instance].ship_info_index].species;
1074 strcpy(p->killer_parent_name, "");
1079 if ( Game_mode & GM_MULTIPLAYER ) {
1082 p->killer_objtype=-1;
1083 p->killer_weapon_index=-1;
1084 p->killer_parent_name[0]=0;
1085 p->killer_species = SPECIES_NONE;
1095 void show_dead_message(object *ship_obj, object *other_obj)
1100 // not doing anything when a non player dies.
1101 if ( !(ship_obj->flags & OF_PLAYER_SHIP) ){
1105 if(other_obj == NULL){
1109 // Get a pointer to the player (we are assured a player ship was killed)
1110 if ( Game_mode & GM_NORMAL ) {
1113 // in multiplayer, get a pointer to the player that died.
1114 pnum = multi_find_player_by_object( ship_obj );
1116 //Int3(); // this condition is bad bad bad -- get Allender
1119 player_p = Net_players[pnum].player;
1122 // multiplayer clients should already have this information.
1123 if ( !MULTIPLAYER_CLIENT ){
1124 shiphit_record_player_killer( other_obj, player_p );
1127 // display a hud message is the guy killed isn't me (multiplayer only)
1129 if ( (Game_mode & GM_MULTIPLAYER) && (ship_obj != Player_obj) ) {
1130 char death_text[256];
1132 player_generate_death_text( player_p, death_text );
1133 HUD_sourced_printf(HUD_SOURCE_HIDDEN, death_text);
1138 /* JAS: THIS DOESN'T SEEM TO BE USED, SO I COMMENTED IT OUT
1139 // Apply damage to a ship, destroying if necessary, etc.
1140 // Returns portion of damage that exceeds ship shields, ie the "unused" portion of the damage.
1141 // Note: This system does not use the mesh shield. It applies damage to the overall ship shield.
1142 float apply_damage_to_ship(object *objp, float damage)
1146 add_shield_strength(objp, -damage);
1148 // check if shields are below 0%, if so take leftover damage and apply to ship integrity
1149 if ((_ss = get_shield_strength(objp)) < 0.0f ) {
1151 set_shield_strength(objp, 0.0f);
1159 // Do music processing for a ship hit.
1160 void ship_hit_music(object *ship_obj, object *other_obj)
1162 ship* ship_p = &Ships[ship_obj->instance];
1164 // Switch to battle track when a ship is hit by fire
1166 // If the ship hit has an AI class of none, it is a Cargo, NavBuoy or other non-aggressive
1167 // ship, so don't start the battle music
1168 if (stricmp(Ai_class_names[Ai_info[ship_p->ai_index].ai_class], NOX("none"))) {
1170 // Only start if ship hit and firing ship are from different teams
1171 team_1 = Ships[ship_obj->instance].team;
1172 switch ( other_obj->type ) {
1174 team_2 = Ships[other_obj->instance].team;
1175 if ( !stricmp(Ai_class_names[Ai_info[Ships[other_obj->instance].ai_index].ai_class], NOX("none")) ) {
1181 // parent of weapon is object num of ship that fired it
1182 team_2 = Ships[Objects[other_obj->parent].instance].team;
1187 break; // Unexpected object type collided with ship, no big deal.
1190 if ( team_1 != team_2 )
1191 event_music_battle_start();
1195 // Make sparks fly off a ship.
1196 // Currently used in misison_parse to create partially damaged ships.
1197 // NOTE: hitpos is in model coordinates on the detail[0] submodel (highest detail hull)
1198 // WILL NOT WORK RIGHT IF ON A ROTATING SUBMODEL
1199 void ship_hit_sparks_no_rotate(object *ship_obj, vector *hitpos)
1201 ship *ship_p = &Ships[ship_obj->instance];
1203 int n = ship_p->num_hits;
1204 if (n >= MAX_SHIP_HITS) {
1205 n = rand() % MAX_SHIP_HITS;
1210 // No rotation. Just make the spark
1211 ship_p->sparks[n].pos = *hitpos;
1212 ship_p->sparks[n].submodel_num = -1;
1214 shipfx_emit_spark(ship_obj->instance, n); // Create the first wave of sparks
1217 ship_p->next_hit_spark = timestamp(0); // when a hit spot will spark
1221 // find the max number of sparks allowed for ship
1222 // limited for fighter by hull % others by radius.
1223 int get_max_sparks(object* ship_obj)
1225 Assert(ship_obj->type == OBJ_SHIP);
1226 Assert((ship_obj->instance >= 0) && (ship_obj->instance < MAX_SHIPS));
1227 if(ship_obj->type != OBJ_SHIP){
1230 if((ship_obj->instance < 0) || (ship_obj->instance >= MAX_SHIPS)){
1234 ship *ship_p = &Ships[ship_obj->instance];
1235 ship_info* si = &Ship_info[ship_p->ship_info_index];
1236 if (si->flags & SIF_FIGHTER) {
1237 float hull_percent = ship_obj->hull_strength / Ship_info[ship_p->ship_info_index].initial_hull_strength;
1239 if (hull_percent > 0.8f) {
1241 } else if (hull_percent > 0.3f) {
1247 int num_sparks = (int) (ship_obj->radius * 0.08f);
1248 if (num_sparks < 3) {
1250 } else if (num_sparks > MAX_SHIP_HITS) {
1251 return MAX_SHIP_HITS;
1259 // helper function to qsort, sorting spark pairs by distance
1260 int spark_compare( const void *elem1, const void *elem2 )
1262 spark_pair *pair1 = (spark_pair *) elem1;
1263 spark_pair *pair2 = (spark_pair *) elem2;
1265 Assert(pair1->dist >= 0);
1266 Assert(pair2->dist >= 0);
1268 if ( pair1->dist < pair2->dist ) {
1275 // for big ships, when all spark slots are filled, make intelligent choice of one to be recycled
1276 int choose_next_spark(object *ship_obj, vector *hitpos)
1278 int i, j, count, num_sparks, num_spark_pairs, spark_num;
1279 vector world_hitpos[MAX_SHIP_HITS];
1280 spark_pair spark_pairs[MAX_SPARK_PAIRS];
1281 ship *shipp = &Ships[ship_obj->instance];
1283 // only choose next spark when all slots are full
1284 Assert(get_max_sparks(ship_obj) == Ships[ship_obj->instance].num_hits);
1287 num_sparks = Ships[ship_obj->instance].num_hits;
1288 Assert(num_sparks <= MAX_SHIP_HITS);
1290 // get num_spark_paris -- only sort these
1291 num_spark_pairs = (num_sparks * num_sparks - num_sparks) / 2;
1293 // get the world hitpos for all sparks
1294 bool model_started = false;
1295 for (spark_num=0; spark_num<num_sparks; spark_num++) {
1296 if (shipp->sparks[spark_num].submodel_num != -1) {
1297 if ( !model_started) {
1298 model_started = true;
1299 ship_model_start(ship_obj);
1301 model_find_world_point(&world_hitpos[spark_num], &shipp->sparks[spark_num].pos, shipp->modelnum, shipp->sparks[spark_num].submodel_num, &ship_obj->orient, &ship_obj->pos);
1303 // rotate sparks correctly with current ship orient
1304 vm_vec_unrotate(&world_hitpos[spark_num], &shipp->sparks[spark_num].pos, &ship_obj->orient);
1305 vm_vec_add2(&world_hitpos[spark_num], &ship_obj->pos);
1309 if (model_started) {
1310 ship_model_stop(ship_obj);
1313 // check we're not making a spark in the same location as a current one
1314 for (i=0; i<num_sparks; i++) {
1315 float dist = vm_vec_dist_squared(&world_hitpos[i], hitpos);
1321 // not same location, so maybe do random recyling
1322 if (frand() > 0.5f) {
1323 return (rand() % num_sparks);
1326 // initialize spark pairs
1327 for (i=0; i<num_spark_pairs; i++) {
1328 spark_pairs[i].index1 = 0;
1329 spark_pairs[i].index2 = 0;
1330 spark_pairs[i].dist = FLT_MAX;
1335 for (i=1; i<num_sparks; i++) {
1336 for (j=0; j<i; j++) {
1337 spark_pairs[count].index1 = i;
1338 spark_pairs[count].index2 = j;
1339 spark_pairs[count++].dist = vm_vec_dist_squared(&world_hitpos[i], &world_hitpos[j]);
1342 Assert(count == num_spark_pairs);
1345 qsort(spark_pairs, count, sizeof(spark_pair), spark_compare);
1346 //mprintf(("Min spark pair dist %.1f\n", spark_pairs[0].dist));
1348 // look through the first few sorted pairs, counting number of indices of closest pair
1349 int index1 = spark_pairs[0].index1;
1350 int index2 = spark_pairs[0].index2;
1354 for (i=1; i<6; i++) {
1355 if (spark_pairs[i].index1 == index1) {
1358 if (spark_pairs[i].index2 == index1) {
1361 if (spark_pairs[i].index1 == index2) {
1364 if (spark_pairs[i].index2 == index2) {
1369 // recycle spark which has most indices in sorted list of pairs
1370 if (count1 > count2) {
1378 // Make sparks fly off a ship.
1379 void ship_hit_create_sparks(object *ship_obj, vector *hitpos, int submodel_num)
1382 ship *ship_p = &Ships[ship_obj->instance];
1386 n = ship_p->num_hits;
1387 max_sparks = get_max_sparks(ship_obj);
1389 if (n >= max_sparks) {
1390 if ( Ship_info[ship_p->ship_info_index].flags & (SIF_BIG_SHIP | SIF_HUGE_SHIP) ) {
1391 // large ship, choose intelligently
1392 n = choose_next_spark(ship_obj, hitpos);
1394 // otherwise, normal choice
1395 n = rand() % max_sparks;
1401 ship *pship = &Ships[ship_obj->instance];
1403 bool instancing = false;
1404 // decide whether to do instancing
1405 if (submodel_num != -1) {
1406 polymodel *pm = model_get(pship->modelnum);
1407 if (pm->detail[0] != submodel_num) {
1408 // submodel is not hull
1409 // OPTIMIZE ... check if submodel can not rotate
1415 // get the hit position in the subobject RF
1416 ship_model_start(ship_obj);
1417 vector temp_zero, temp_x, temp_y, temp_z;
1418 model_find_world_point(&temp_zero, &vmd_zero_vector, pship->modelnum, submodel_num, &ship_obj->orient, &ship_obj->pos);
1419 model_find_world_point(&temp_x, &vmd_x_vector, pship->modelnum, submodel_num, &ship_obj->orient, &ship_obj->pos);
1420 model_find_world_point(&temp_y, &vmd_y_vector, pship->modelnum, submodel_num, &ship_obj->orient, &ship_obj->pos);
1421 model_find_world_point(&temp_z, &vmd_z_vector, pship->modelnum, submodel_num, &ship_obj->orient, &ship_obj->pos);
1422 ship_model_stop(ship_obj);
1424 // find submodel x,y,z axes
1425 vm_vec_sub2(&temp_x, &temp_zero);
1426 vm_vec_sub2(&temp_y, &temp_zero);
1427 vm_vec_sub2(&temp_z, &temp_zero);
1429 // find displacement from submodel origin
1431 vm_vec_sub(&diff, hitpos, &temp_zero);
1433 // find displacement from submodel origin in submodel RF
1434 ship_p->sparks[n].pos.x = vm_vec_dotprod(&diff, &temp_x);
1435 ship_p->sparks[n].pos.y = vm_vec_dotprod(&diff, &temp_y);
1436 ship_p->sparks[n].pos.z = vm_vec_dotprod(&diff, &temp_z);
1437 ship_p->sparks[n].submodel_num = submodel_num;
1438 ship_p->sparks[n].end_time = timestamp(-1);
1440 // Rotate hitpos into ship_obj's frame of reference.
1441 vm_vec_sub(&tempv, hitpos, &ship_obj->pos);
1442 vm_vec_rotate(&ship_p->sparks[n].pos, &tempv, &ship_obj->orient);
1443 ship_p->sparks[n].submodel_num = -1;
1444 ship_p->sparks[n].end_time = timestamp(-1);
1447 // Create the first wave of sparks
1448 shipfx_emit_spark(ship_obj->instance, n);
1451 ship_p->next_hit_spark = timestamp(0); // when a hit spot will spark
1455 // Called from ship_hit_kill() when we detect the player has been killed.
1456 void player_died_start(object *killer_objp)
1458 nprintf(("Network", "starting my player death\n"));
1459 gameseq_post_event(GS_EVENT_DEATH_DIED);
1461 /* vm_vec_scale_add(&Dead_camera_pos, &Player_obj->pos, &Player_obj->orient.fvec, -10.0f);
1462 vm_vec_scale_add2(&Dead_camera_pos, &Player_obj->orient.uvec, 3.0f);
1463 vm_vec_scale_add2(&Dead_camera_pos, &Player_obj->orient.rvec, 5.0f);
1466 // Create a good vector for the camera to move along during death sequence.
1467 object *other_objp = NULL;
1469 // on multiplayer clients, there have been occasions where we haven't been able to determine
1470 // the killer of a ship (due to bogus/mismatched/timed-out signatures on the client side). If
1471 // we don't know the killer, use the Player_obj as the other_objp for camera position.
1472 if ( killer_objp ) {
1473 switch (killer_objp->type) {
1476 other_objp = &Objects[killer_objp->parent];
1481 case OBJ_NONE: // Something that just got deleted due to also dying -- it happened to me! --MK.
1482 other_objp = killer_objp;
1486 int beam_obj_parent;
1487 beam_obj_parent = beam_get_parent(killer_objp);
1488 if(beam_obj_parent == -1){
1489 other_objp = killer_objp;
1491 other_objp = &Objects[beam_obj_parent];
1496 Int3(); // Killed by an object of a peculiar type. What is it?
1497 other_objp = killer_objp; // Enable to continue, just in case we shipped it with this bug...
1500 other_objp = Player_obj;
1503 vm_vec_add(&Original_vec_to_deader, &Player_obj->orient.fvec, &Player_obj->orient.rvec);
1504 vm_vec_scale(&Original_vec_to_deader, 2.0f);
1505 vm_vec_add2(&Original_vec_to_deader, &Player_obj->orient.uvec);
1506 vm_vec_normalize(&Original_vec_to_deader);
1508 vector vec_from_killer;
1512 Assert(other_objp != NULL);
1514 if (Player_obj == other_objp) {
1516 vec_from_killer = Player_obj->orient.fvec;
1518 dist = vm_vec_normalized_dir(&vec_from_killer, &Player_obj->pos, &other_objp->pos);
1523 vm_vec_scale_add(&Dead_camera_pos, &Player_obj->pos, &vec_from_killer, dist);
1525 float dot = vm_vec_dot(&Player_obj->orient.rvec, &vec_from_killer);
1526 if (fl_abs(dot) > 0.8f)
1527 side_vec = &Player_obj->orient.fvec;
1529 side_vec = &Player_obj->orient.rvec;
1531 vm_vec_scale_add2(&Dead_camera_pos, side_vec, 10.0f);
1533 Player_ai->target_objnum = -1; // Clear targeting. Otherwise, camera pulls away from player as soon as he blows up.
1535 // stop any playing emp effect
1540 #define DEATHROLL_TIME 3000 // generic deathroll is 3 seconds (3 * 1000 milliseconds)
1541 #define MIN_PLAYER_DEATHROLL_TIME 1000 // at least one second deathroll for a player
1542 #define DEATHROLL_ROTVEL_CAP 6.3f // maximum added deathroll rotvel in rad/sec (about 1 rev / sec)
1543 #define DEATHROLL_ROTVEL_MIN 0.8f // minimum added deathroll rotvel in rad/sec (about 1 rev / 12 sec)
1544 #define DEATHROLL_MASS_STANDARD 50 // approximate mass of lightest ship
1545 #define DEATHROLL_VELOCITY_STANDARD 70 // deathroll rotvel is scaled according to ship velocity
1546 #define DEATHROLL_ROTVEL_SCALE 4 // constant determines how quickly deathroll rotvel is ramped up (smaller is faster)
1548 void ai_announce_ship_dying(object *dying_objp);
1550 void saturate_fabs(float *f, float max)
1552 if ( fl_abs(*f) > max) {
1560 // function to do generic things when a ship explodes
1561 void ship_generic_kill_stuff( object *objp, float percent_killed )
1567 Assert(objp->type == OBJ_SHIP);
1568 Assert(objp->instance >= 0 && objp->instance < MAX_SHIPS );
1569 if((objp->type != OBJ_SHIP) || (objp->instance < 0) || (objp->instance >= MAX_SHIPS)){
1572 sp = &Ships[objp->instance];
1573 ship_info *sip = &Ship_info[sp->ship_info_index];
1575 // if recording demo
1576 if(Game_mode & GM_DEMO_RECORD){
1577 demo_POST_ship_kill(objp);
1580 ai_announce_ship_dying(objp);
1582 sp->flags |= SF_DYING;
1583 objp->phys_info.flags |= (PF_DEAD_DAMP | PF_REDUCED_DAMP);
1584 delta_time = (int) (DEATHROLL_TIME);
1586 // For smaller ships, subtract off time proportional to excess damage delivered.
1587 if (objp->radius < BIG_SHIP_MIN_RADIUS)
1588 delta_time -= (int) (1.01f - 4*percent_killed);
1590 // Cut down cargo death rolls. Looks a little silly. -- MK, 3/30/98.
1591 if (sip->flags & SIF_CARGO) {
1595 // Prevent bogus timestamps.
1599 if (objp->flags & OF_PLAYER_SHIP) {
1600 // Note: Kamikaze ships have no minimum death time.
1601 if (!(Ai_info[Ships[objp->instance].ai_index].ai_flags & AIF_KAMIKAZE) && (delta_time < MIN_PLAYER_DEATHROLL_TIME))
1602 delta_time = MIN_PLAYER_DEATHROLL_TIME;
1605 //nprintf(("AI", "ShipHit.cpp: Frame %i, Gametime = %7.3f, Ship %s will die in %7.3f seconds.\n", Framecount, f2fl(Missiontime), Ships[objp->instance].ship_name, (float) delta_time/1000.0f));
1607 // Make big ships have longer deathrolls.
1608 // This is debug code by MK to increase the deathroll time so ships have time to evade the shockwave.
1609 // Perhaps deathroll time should be specified in ships.tbl.
1610 float damage = ship_get_exp_damage(objp);
1612 if (damage >= 250.0f)
1613 delta_time += 3000 + (int)(damage*4.0f + 4.0f*objp->radius);
1615 if (Ai_info[sp->ai_index].ai_flags & AIF_KAMIKAZE)
1618 // Knossos gets 7-10 sec to die, time for "little" explosions
1619 if (Ship_info[sp->ship_info_index].flags & SIF_KNOSSOS_DEVICE) {
1620 delta_time = 7000 + (int)(frand() * 3000.0f);
1621 Ship_info[sp->ship_info_index].explosion_propagates = 0;
1623 sp->final_death_time = timestamp(delta_time); // Give him 3 secs to explode
1625 if (sp->flags & SF_VAPORIZE) {
1626 // Assert(Ship_info[sp->ship_info_index].flags & SIF_SMALL_SHIP);
1629 sp->final_death_time = timestamp(100);
1632 //nprintf(("AI", "Time = %7.3f: final_death_time set to %7.3f\n", (float) timestamp_ticker/1000.0f, (float) sp->final_death_time/1000.0f));
1634 sp->pre_death_explosion_happened = 0; // The little fireballs haven't came in yet.
1636 sp->next_fireball = timestamp(0); //start one right away
1638 ai_deathroll_start(objp);
1640 // play death roll begin sound
1641 sp->death_roll_snd = snd_play_3d( &Snds[SND_DEATH_ROLL], &objp->pos, &View_position, objp->radius );
1642 if (objp == Player_obj)
1646 // rotational velocity proportional to original translational velocity, with a bit added in.
1647 // Also, preserve half of original rotational velocity.
1649 // At standard speed (70) and standard mass (50), deathroll rotvel should be capped at DEATHROLL_ROTVEL_CAP
1650 // Minimum deathroll velocity is set DEATHROLL_ROTVEL_MIN
1651 // At lower speed, lower death rotvel (scaled linearly)
1652 // At higher mass, lower death rotvel (scaled logarithmically)
1653 // variable scale calculates the deathroll rotational velocity magnitude
1654 float logval = (float) log10(objp->phys_info.mass / (0.05f*DEATHROLL_MASS_STANDARD));
1655 float velval = ((vm_vec_mag_quick(&objp->phys_info.vel) + 3.0f) / DEATHROLL_VELOCITY_STANDARD);
1656 float p1 = (float) (DEATHROLL_ROTVEL_CAP - DEATHROLL_ROTVEL_MIN);
1658 rotvel_mag = (float) DEATHROLL_ROTVEL_MIN * 2.0f/(logval + 2.0f);
1659 rotvel_mag += (float) (p1 * velval/logval) * 0.75f;
1661 // set so maximum velocity from rotation is less than 200
1662 if (rotvel_mag*objp->radius > 150) {
1663 rotvel_mag = 150.0f / objp->radius;
1666 if (sp->dock_objnum_when_dead != -1) {
1667 // don't change current rotvel
1668 sp->deathroll_rotvel = objp->phys_info.rotvel;
1670 // if added rotvel is too random, we should decrease the random component, putting a const in front of the rotvel.
1671 sp->deathroll_rotvel = objp->phys_info.rotvel;
1672 sp->deathroll_rotvel.x += (frand() - 0.5f) * 2.0f * rotvel_mag;
1673 saturate_fabs(&sp->deathroll_rotvel.x, 0.75f*DEATHROLL_ROTVEL_CAP);
1674 sp->deathroll_rotvel.y += (frand() - 0.5f) * 3.0f * rotvel_mag;
1675 saturate_fabs(&sp->deathroll_rotvel.y, 0.75f*DEATHROLL_ROTVEL_CAP);
1676 sp->deathroll_rotvel.z += (frand() - 0.5f) * 6.0f * rotvel_mag;
1677 // make z component 2x larger than larger of x,y
1678 float largest_mag = max(fl_abs(sp->deathroll_rotvel.x), fl_abs(sp->deathroll_rotvel.y));
1679 if (fl_abs(sp->deathroll_rotvel.z) < 2.0f*largest_mag) {
1680 sp->deathroll_rotvel.z *= (2.0f * largest_mag / fl_abs(sp->deathroll_rotvel.z));
1682 saturate_fabs(&sp->deathroll_rotvel.z, 0.75f*DEATHROLL_ROTVEL_CAP);
1683 // nprintf(("Physics", "Frame: %i rotvel_mag: %5.2f, rotvel: (%4.2f, %4.2f, %4.2f)\n", Framecount, rotvel_mag, sp->deathroll_rotvel.x, sp->deathroll_rotvel.y, sp->deathroll_rotvel.z));
1687 // blow out his reverse thrusters. Or drag, same thing.
1688 objp->phys_info.rotdamp = (float) DEATHROLL_ROTVEL_SCALE / rotvel_mag;
1689 objp->phys_info.side_slip_time_const = 10000.0f;
1691 vm_vec_zero(&objp->phys_info.max_vel); // make so he can't turn on his own VOLITION anymore.
1693 vm_vec_zero(&objp->phys_info.max_rotvel); // make so he can't change speed on his own VOLITION anymore.
1697 // called from ship_hit_kill if the ship is vaporized
1698 void ship_vaporize(ship *shipp)
1703 Assert(shipp != NULL);
1707 Assert((shipp->objnum >= 0) && (shipp->objnum < MAX_OBJECTS));
1708 if((shipp->objnum < 0) || (shipp->objnum >= MAX_OBJECTS)){
1711 ship_obj = &Objects[shipp->objnum];
1713 // create debris shards
1714 create_vaporize_debris(ship_obj, &ship_obj->pos);
1717 // *ship_obj was hit and we've determined he's been killed! By *other_obj!
1718 void ship_hit_kill(object *ship_obj, object *other_obj, float percent_killed, int self_destruct)
1721 char *killer_ship_name;
1722 int killer_damage_percent = NULL;
1723 object *killer_objp = NULL;
1725 sp = &Ships[ship_obj->instance];
1726 show_dead_message(ship_obj, other_obj);
1728 if (ship_obj == Player_obj) {
1729 player_died_start(other_obj);
1732 // maybe vaporize him
1733 if(sp->flags & SF_VAPORIZE){
1738 extern void game_tst_mark(object *objp, ship *shipp);
1739 game_tst_mark(ship_obj, sp);
1741 // single player and multiplayer masters evaluate the scoring and kill stuff
1742 if ( !MULTIPLAYER_CLIENT && !(Game_mode & GM_DEMO_PLAYBACK)) {
1743 scoring_eval_kill( ship_obj );
1745 // ship is destroyed -- send this event to the mission log stuff to record this event. Try to find who
1746 // killed this ship. scoring_eval_kill above should leave the obj signature of the ship who killed
1747 // this guy (or a -1 if no one got the kill).
1748 killer_ship_name = NULL;
1749 killer_damage_percent = -1;
1750 if ( sp->damage_ship_id[0] != -1 ) {
1754 sig = sp->damage_ship_id[0];
1755 for ( objp = GET_FIRST(&obj_used_list); objp != END_OF_LIST(&obj_used_list); objp = GET_NEXT(objp) ) {
1756 if ( objp->signature == sig ){
1760 // if the object isn't around, the try to find the object in the list of ships which has exited
1761 if ( objp != END_OF_LIST(&obj_used_list) ) {
1762 Assert ( (objp->type == OBJ_SHIP ) || (objp->type == OBJ_GHOST) ); // I suppose that this should be true
1763 killer_ship_name = Ships[objp->instance].ship_name;
1769 ei = ship_find_exited_ship_by_signature( sig );
1771 killer_ship_name = Ships_exited[ei].ship_name;
1774 killer_damage_percent = (int)(sp->damage_ship[0] * 100.0f);
1779 if(Game_mode & GM_MULTIPLAYER){
1780 char name1[256] = "";
1781 char name2[256] = "";
1785 np_index = multi_find_player_by_object(ship_obj);
1786 if((np_index >= 0) && (np_index < MAX_PLAYERS) && (Net_players[np_index].player != NULL)){
1787 strcpy(name1, Net_players[np_index].player->callsign);
1789 strcpy(name1, sp->ship_name);
1793 if((killer_objp != NULL) || (killer_ship_name != NULL)){
1796 if(killer_objp == NULL){
1797 strcpy(name2, killer_ship_name);
1799 np_index = multi_find_player_by_object(killer_objp);
1800 if((np_index >= 0) && (np_index < MAX_PLAYERS) && (Net_players[np_index].player != NULL)){
1801 strcpy(name2, Net_players[np_index].player->callsign);
1803 strcpy(name2, killer_ship_name);
1808 mission_log_add_entry(LOG_SHIP_DESTROYED, name1, name2, killer_damage_percent);
1810 // DKA: 8/23/99 allow message log in single player with no killer name
1811 //if(killer_ship_name != NULL){
1812 mission_log_add_entry(LOG_SHIP_DESTROYED, sp->ship_name, killer_ship_name, killer_damage_percent);
1817 // maybe praise the player for this kill
1818 if ( (killer_damage_percent > 10) && (other_obj != NULL) && (other_obj->parent_sig == Player_obj->signature) ) {
1819 ship_maybe_praise_player(sp);
1823 ship_generic_kill_stuff( ship_obj, percent_killed );
1825 // mwa -- removed 2/25/98 -- why is this here? ship_obj->flags &= ~(OF_PLAYER_SHIP);
1826 // if it is for observers, must deal with it a separate way!!!!
1827 if ( MULTIPLAYER_MASTER ) {
1828 // check to see if this ship needs to be respawned
1829 multi_respawn_check(ship_obj);
1831 // send the kill packet to all players
1832 // maybe send vaporize packet to all players
1833 send_ship_kill_packet( ship_obj, other_obj, percent_killed, self_destruct );
1836 // If ship from a player wing ship has died, then maybe play a scream
1837 if ( !(ship_obj->flags & OF_PLAYER_SHIP) && (sp->flags & SF_FROM_PLAYER_WING) ) {
1838 ship_maybe_scream(sp);
1841 // If player is dying, have wingman lament (only in single player)
1842 if ( (Game_mode & GM_NORMAL) && (ship_obj == Player_obj) ) {
1843 ship_maybe_lament();
1847 // function to simply explode a ship where it is currently at
1848 void ship_self_destruct( object *objp )
1850 Assert ( objp->type == OBJ_SHIP );
1852 // try and find a player
1853 if((Game_mode & GM_MULTIPLAYER) && (multi_find_player_by_object(objp) >= 0)){
1854 int np_index = multi_find_player_by_object(objp);
1855 if((np_index >= 0) && (np_index < MAX_PLAYERS) && (Net_players[np_index].player != NULL)){
1856 mission_log_add_entry(LOG_SELF_DESTRUCT, Net_players[np_index].player->callsign, NULL );
1858 mission_log_add_entry(LOG_SELF_DESTRUCT, Ships[objp->instance].ship_name, NULL );
1861 mission_log_add_entry(LOG_SELF_DESTRUCT, Ships[objp->instance].ship_name, NULL );
1864 // check to see if this ship needs to be respawned
1865 if(MULTIPLAYER_MASTER){
1867 int np_index = multi_find_player_by_object(objp);
1868 if((np_index >= 0) && (np_index < MAX_PLAYERS) && MULTI_CONNECTED(Net_players[np_index]) && (Net_players[np_index].player != NULL)){
1870 sprintf(msg, "%s %s", Net_players[np_index].player->callsign, XSTR("Self destructed", 1476));
1873 send_game_chat_packet(Net_player, msg, MULTI_MSG_ALL, NULL, NULL, 2);
1876 if(!(Game_mode & GM_STANDALONE_SERVER)){
1883 ship_hit_kill(objp, NULL, 1.0f, 1);
1886 extern int Homing_hits, Homing_misses;
1888 // Call this instead of physics_apply_whack directly to
1889 // deal with two ships docking properly.
1890 void ship_apply_whack(vector *force, vector *new_pos, object *objp)
1892 if (objp->type == OBJ_SHIP) {
1893 if (Ship_info[Ships[objp->instance].ship_info_index].flags & (SIF_SUPPORT | SIF_CARGO)) {
1894 int docked_to_objnum;
1897 aip = &Ai_info[Ships[objp->instance].ai_index];
1899 if (aip->ai_flags & AIF_DOCKED) {
1900 docked_to_objnum = aip->dock_objnum;
1901 if (aip->dock_objnum != -1) {
1902 physics_apply_whack(force, new_pos, &Objects[docked_to_objnum].phys_info, &Objects[docked_to_objnum].orient, Objects[docked_to_objnum].phys_info.mass + objp->phys_info.mass);
1908 if (objp == Player_obj) {
1909 nprintf(("Sandeep", "Playing stupid joystick effect\n"));
1911 vm_vec_unrotate(&test, force, &objp->orient);
1913 game_whack_apply( -test.x, -test.y );
1916 physics_apply_whack(force, new_pos, &objp->phys_info, &objp->orient, objp->phys_info.mass);
1919 float Skill_level_player_damage_scale[NUM_SKILL_LEVELS] = {0.25f, 0.5f, 0.65f, 0.85f, 1.0f};
1922 // If a ship is dying and it gets hit, shorten its deathroll.
1923 // But, if it's a player, don't decrease below MIN_PLAYER_DEATHROLL_TIME
1924 void shiphit_hit_after_death(object *ship_obj, float damage)
1926 float percent_killed;
1927 int delta_time, time_remaining;
1928 ship *shipp = &Ships[ship_obj->instance];
1929 ship_info *sip = &Ship_info[shipp->ship_info_index];
1931 // Since the explosion has two phases (final_death_time and really_final_death_time)
1932 // we should only shorten the deathroll time if that is the phase we're in.
1933 // And you can tell by seeing if the timestamp is valid, since it gets set to
1934 // invalid after it does the first large explosion.
1935 if ( !timestamp_valid(shipp->final_death_time) ) {
1939 // Don't adjust vaporized ship
1940 if (shipp->flags & SF_VAPORIZE) {
1944 // Don't shorten deathroll on very large ships.
1945 if (ship_obj->radius > BIG_SHIP_MIN_RADIUS)
1948 percent_killed = damage/sip->initial_hull_strength;
1949 if (percent_killed > 1.0f)
1950 percent_killed = 1.0f;
1952 delta_time = (int) (4 * DEATHROLL_TIME * percent_killed);
1953 time_remaining = timestamp_until(shipp->final_death_time);
1955 //nprintf(("AI", "Gametime = %7.3f, Time until %s dies = %7.3f, delta = %7.3f\n", f2fl(Missiontime), Ships[ship_obj->instance].ship_name, (float)time_remaining/1000.0f, delta_time));
1956 if (ship_obj->flags & OF_PLAYER_SHIP)
1957 if (time_remaining < MIN_PLAYER_DEATHROLL_TIME)
1960 // nprintf(("AI", "Subtracting off %7.3f seconds from deathroll, reducing to %7.3f\n", (float) delta_time/1000.0f, (float) (time_remaining - delta_time)/1000.0f));
1962 delta_time = time_remaining - delta_time;
1963 if (ship_obj->flags & OF_PLAYER_SHIP)
1964 if (delta_time < MIN_PLAYER_DEATHROLL_TIME)
1965 delta_time = MIN_PLAYER_DEATHROLL_TIME;
1967 // Prevent bogus timestamp.
1971 shipp->final_death_time = timestamp(delta_time); // Adjust time until explosion.
1974 MONITOR( ShipHits );
1975 MONITOR( ShipNumDied );
1977 int maybe_shockwave_damage_adjust(object *ship_obj, object *other_obj, float *damage)
1979 ship_subsys *subsys;
1981 float dist, nearest_dist = FLT_MAX;
1982 vector g_subobj_pos;
1986 Assert(ship_obj->type == OBJ_SHIP);
1987 if (other_obj->type != OBJ_SHOCKWAVE) {
1991 if (!(Ship_info[Ships[ship_obj->instance].ship_info_index].flags & SIF_HUGE_SHIP)) {
1995 shipp = &Ships[ship_obj->instance];
1996 sw = &Shockwaves[other_obj->instance];
1998 // find closest subsystem distance to shockwave origin
1999 for (subsys=GET_FIRST(&shipp->subsys_list); subsys != END_OF_LIST(&shipp->subsys_list); subsys = GET_NEXT(subsys) ) {
2000 get_subsystem_world_pos(ship_obj, subsys, &g_subobj_pos);
2001 dist = vm_vec_dist_quick(&g_subobj_pos, &other_obj->pos);
2003 if (dist < nearest_dist) {
2004 nearest_dist = dist;
2008 // get max damage and adjust if needed to account for shockwave created from destroyed weapon
2009 max_damage = sw->damage;
2010 if (sw->flags & SW_WEAPON_KILL) {
2015 // floor of 25%, max if within inner_radius, linear between
2016 if (nearest_dist > sw->outer_radius) {
2017 *damage = max_damage / 4.0f;
2018 } else if (nearest_dist < sw->inner_radius) {
2019 *damage = max_damage;
2021 *damage = max_damage * (1.0f - 0.75f * (nearest_dist - sw->inner_radius) / (sw->outer_radius - sw->inner_radius));
2027 // ------------------------------------------------------------------------
2030 // Do damage assessment on a ship. This should only be called
2031 // internally by ship_apply_global_damage and ship_apply_local_damage
2034 // input: ship_obj => object pointer for ship receiving damage
2035 // other_obj => object pointer to object causing damage
2036 // hitpos => impact world pos on the ship
2037 // TODO: get a better value for hitpos
2038 // damage => damage to apply to the ship
2039 // shield_quadrant => which part of shield takes damage, -1 if not shield hit
2040 // wash_damage => 1 if damage is done by engine wash
2041 void ai_update_lethality(object *ship_obj, object *weapon_obj, float damage);
2042 static void ship_do_damage(object *ship_obj, object *other_obj, vector *hitpos, float damage, int shield_quadrant, int wash_damage=0)
2045 float subsystem_damage = damage; // damage to be applied to subsystems
2047 Assert(ship_obj->instance >= 0);
2048 Assert(ship_obj->type == OBJ_SHIP);
2049 shipp = &Ships[ship_obj->instance];
2051 // maybe adjust damage done by shockwave for BIG|HUGE
2052 maybe_shockwave_damage_adjust(ship_obj, other_obj, &damage);
2054 // update lethality of ship doing damage
2055 int update_lethality = FALSE;
2056 update_lethality = ((other_obj != NULL) && (other_obj->type == OBJ_WEAPON) && (other_obj->instance >= 0) && (other_obj->instance < MAX_WEAPONS));
2057 update_lethality = update_lethality || ((other_obj != NULL) && (other_obj->type == OBJ_SHOCKWAVE) && (other_obj->instance >= 0) && (other_obj->instance < MAX_SHOCKWAVES));
2058 if (update_lethality) {
2059 ai_update_lethality(ship_obj, other_obj, damage);
2062 // if this is a weapon
2063 if((other_obj != NULL) && (other_obj->type == OBJ_WEAPON) && (other_obj->instance >= 0) && (other_obj->instance < MAX_WEAPONS)){
2064 damage *= weapon_get_damage_scale(&Weapon_info[Weapons[other_obj->instance].weapon_info_index], other_obj, ship_obj);
2067 MONITOR_INC( ShipHits, 1 );
2069 // Don't damage player ship in the process of warping out.
2070 if ( Player->control_mode >= PCM_WARPOUT_STAGE2 ) {
2071 if ( ship_obj == Player_obj ){
2076 if ( (other_obj != NULL) && (other_obj->type == OBJ_WEAPON) ) {
2077 // for tvt and dogfight missions, don't scale damage
2078 if( (Game_mode & GM_MULTIPLAYER) && ((Netgame.type_flags & NG_TYPE_TEAM) || (Netgame.type_flags & NG_TYPE_DOGFIGHT)) ){
2080 // Do a little "skill" balancing for the player in single player and coop multiplayer
2081 if (ship_obj->flags & OF_PLAYER_SHIP) {
2082 damage *= Skill_level_player_damage_scale[Game_skill_level];
2083 subsystem_damage *= Skill_level_player_damage_scale[Game_skill_level];
2088 // if this is not a laser, or i'm not a multiplayer client
2090 if((other_obj != NULL) && ((Weapon_info[Weapons[other_obj->instance].weapon_info_index].subtype != WP_LASER) || !MULTIPLAYER_CLIENT) && (Player_obj != NULL) && (ship_obj == Player_obj)){
2091 ship_hit_pain(damage);
2094 // If the ship is invulnerable, do nothing
2095 if (ship_obj->flags & OF_INVULNERABLE) {
2099 // if ship is already dying, shorten deathroll.
2100 if (shipp->flags & SF_DYING) {
2101 shiphit_hit_after_death(ship_obj, damage);
2105 // If we hit the shield, reduce it's strength and found
2106 // out how much damage is left over.
2107 if ( shield_quadrant > -1 && !(ship_obj->flags & OF_NO_SHIELDS) ) {
2108 float shield_factor = -1.0f;
2109 int weapon_info_index;
2111 weapon_info_index = shiphit_get_damage_weapon(other_obj);
2112 if ( weapon_info_index >= 0 ) {
2113 shield_factor = Weapon_info[weapon_info_index].shield_factor;
2116 if ( shield_factor >= 0 ) {
2117 damage *= shield_factor;
2118 subsystem_damage *= shield_factor;
2122 float pre_shield = damage;
2124 damage = apply_damage_to_shield(ship_obj, shield_quadrant, damage);
2127 subsystem_damage *= (damage / pre_shield);
2129 subsystem_damage = 0.0f;
2133 // if shield damage was increased, don't carry over leftover damage at scaled level
2134 if ( shield_factor > 1 ) {
2135 damage /= shield_factor;
2137 subsystem_damage /= shield_factor;
2141 // Apply leftover damage to the ship's subsystem and hull.
2142 if ( (damage > 0.0f) || (subsystem_damage > 0.0f) ) {
2143 int weapon_info_index;
2145 float pre_subsys = subsystem_damage;
2146 subsystem_damage = do_subobj_hit_stuff(ship_obj, other_obj, hitpos, subsystem_damage);
2147 if(subsystem_damage > 0.0f){
2148 damage *= (subsystem_damage / pre_subsys);
2153 // continue with damage?
2155 weapon_info_index = shiphit_get_damage_weapon(other_obj);
2156 if ( weapon_info_index >= 0 ) {
2157 if (Weapon_info[weapon_info_index].wi_flags & WIF_PUNCTURE) {
2161 damage *= Weapon_info[weapon_info_index].armor_factor;
2164 // if ship is flagged as can not die, don't let it die
2165 if (ship_obj->flags & OF_GUARDIAN) {
2166 float min_hull_strength = 0.01f * Ship_info[Ships[ship_obj->instance].ship_info_index].initial_hull_strength;
2167 if ( (ship_obj->hull_strength - damage) < min_hull_strength ) {
2168 // find damage needed to take object to min hull strength
2169 damage = ship_obj->hull_strength - min_hull_strength;
2171 // make sure damage is positive
2172 damage = max(0, damage);
2176 // multiplayer clients don't do damage
2177 if(((Game_mode & GM_MULTIPLAYER) && MULTIPLAYER_CLIENT) || (Game_mode & GM_DEMO_PLAYBACK)){
2179 ship_obj->hull_strength -= damage;
2182 // let damage gauge know that player ship just took damage
2183 if ( Player_obj == ship_obj ) {
2184 hud_gauge_popup_start(HUD_DAMAGE_GAUGE, 5000);
2187 // DB - removed 1/12/99 - scoring code properly bails if MULTIPLAYER_CLIENT
2188 // in multiplayer, if I am not the host, get out of this function here!!
2189 //if ( (Game_mode & GM_MULTIPLAYER) && !(Net_player->flags & NETINFO_FLAG_AM_MASTER) ) {
2193 switch (other_obj->type) {
2195 scoring_add_damage(ship_obj,other_obj,damage);
2198 // don't call scoring for asteroids
2201 if((other_obj->parent < 0) || (other_obj->parent >= MAX_OBJECTS)){
2202 scoring_add_damage(ship_obj, NULL, damage);
2204 scoring_add_damage(ship_obj, &Objects[other_obj->parent], damage);
2211 if (ship_obj->hull_strength <= 0.0f) {
2213 MONITOR_INC( ShipNumDied, 1 );
2215 ship_info *sip = &Ship_info[shipp->ship_info_index];
2217 // If massive beam hitting small ship, vaporize otherwise normal damage pipeline
2218 // Only vaporize once
2219 // multiplayer clients should skip this
2220 if(!MULTIPLAYER_CLIENT){
2221 if ( !(shipp->flags & SF_VAPORIZE) ) {
2222 // Only small ships can be vaporized
2223 if (sip->flags & (SIF_SMALL_SHIP)) {
2224 if (other_obj->type == OBJ_BEAM) {
2225 int beam_weapon_info_index = beam_get_weapon_info_index(other_obj);
2226 if ( (beam_weapon_info_index > -1) && (Weapon_info[beam_weapon_info_index].wi_flags & (WIF_BEAM|WIF_HUGE)) ) {
2227 // Flag as vaporized
2228 shipp->flags |= SF_VAPORIZE;
2235 // maybe engine wash death
2237 shipp->wash_killed = 1;
2240 float percent_killed = -ship_obj->hull_strength/sip->initial_hull_strength;
2241 if (percent_killed > 1.0f){
2242 percent_killed = 1.0f;
2245 if ( !(shipp->flags & SF_DYING) && !MULTIPLAYER_CLIENT && !(Game_mode & GM_DEMO_PLAYBACK)){ // if not killed, then kill
2246 ship_hit_kill(ship_obj, other_obj, percent_killed, 0);
2252 // if the hitting object is a weapon, maybe do some fun stuff here
2253 if(other_obj->type == OBJ_WEAPON){
2255 Assert(other_obj->instance >= 0);
2256 if(other_obj->instance < 0){
2259 Assert(Weapons[other_obj->instance].weapon_info_index >= 0);
2260 if(Weapons[other_obj->instance].weapon_info_index < 0){
2263 wip = &Weapon_info[Weapons[other_obj->instance].weapon_info_index];
2265 // if its a leech weapon
2266 if(wip->wi_flags & WIF_ENERGY_SUCK){
2267 // reduce afterburner fuel
2268 shipp->afterburner_fuel -= wip->afterburner_reduce;
2269 shipp->afterburner_fuel = (shipp->afterburner_fuel < 0.0f) ? 0.0f : shipp->afterburner_fuel;
2271 // reduce weapon energy
2272 shipp->weapon_energy -= wip->weapon_reduce;
2273 shipp->weapon_energy = (shipp->weapon_energy < 0.0f) ? 0.0f : shipp->weapon_energy;
2278 // This gets called to apply damage when something hits a particular point on a ship.
2279 // This assumes that whoever called this knows if the shield got hit or not.
2280 // hitpos is in world coordinates.
2281 // if shield_quadrant is not -1, then that part of the shield takes damage properly.
2282 void ship_apply_local_damage(object *ship_obj, object *other_obj, vector *hitpos, float damage, int shield_quadrant, bool create_spark, int submodel_num, vector *hit_normal)
2284 ship *ship_p = &Ships[ship_obj->instance];
2286 // If got hit by a weapon, tell the AI so it can react. Only do this line in single player,
2287 // or if I am the master in a multiplayer game
2288 if ( other_obj->type == OBJ_WEAPON && ( !(Game_mode & GM_MULTIPLAYER) || ((Game_mode & GM_MULTIPLAYER) && (Net_player->flags & NETINFO_FLAG_AM_MASTER)) )) {
2291 wp = &Weapons[other_obj->instance];
2292 // If weapon hits ship on same team and that ship not targeted and parent of weapon not player,
2294 // Ie, player can always do damage. AI can only damage team if that ship is targeted.
2295 if (wp->target_num != ship_obj-Objects) {
2296 if ((ship_p->team == wp->team) && !(Objects[other_obj->parent].flags & OF_PLAYER_SHIP) ) {
2297 /*char ship_name[64];
2299 if (other_obj->parent_type == OBJ_SHIP) {
2300 strcpy(ship_name, Ships[Objects[other_obj->parent].instance].ship_name);
2302 strcpy(ship_name, XSTR("[not a ship]",-1));
2304 // nprintf(("AI", "Ignoring hit on %s by weapon #%i, parent = %s\n", ship_p->ship_name, other_obj-Objects, ship_name));
2310 // only want to check the following in single player or if I am the multiplayer game server
2311 if ( !MULTIPLAYER_CLIENT && !(Game_mode & GM_DEMO_PLAYBACK) && ((other_obj->type == OBJ_SHIP) || (other_obj->type == OBJ_WEAPON)) ){
2312 ai_ship_hit(ship_obj, other_obj, hitpos, shield_quadrant, hit_normal);
2315 // Cut damage done on the player by 4x in training missions, but do full accredidation
2316 if ( The_mission.game_type & MISSION_TYPE_TRAINING ){
2317 if (ship_obj == Player_obj){
2322 // send a packet in multiplayer -- but don't sent it if the ship is already dying. Clients can
2323 // take care of dealing with ship hits after a ship is already dead.
2324 // if ( (MULTIPLAYER_MASTER) && !(ship_p->flags & SF_DYING) ){
2325 // if this is a player ship which is not mine, send him a ship hit packet
2326 // int np_index = multi_find_player_by_object(ship_obj);
2327 // if((np_index > 0) && (np_index < MAX_PLAYERS) && (np_index != MY_NET_PLAYER_NUM) && MULTI_CONNECTED(Net_players[np_index])){
2328 // send_ship_hit_packet( ship_obj, other_obj, hitpos, damage, shield_quadrant, submodel_num, &Net_players[np_index]);
2332 // maybe tag the ship
2333 if(!MULTIPLAYER_CLIENT && (other_obj->type == OBJ_WEAPON) && (Weapon_info[Weapons[other_obj->instance].weapon_info_index].wi_flags & WIF_TAG)) {
2334 if (Weapon_info[Weapons[other_obj->instance].weapon_info_index].tag_level == 1) {
2335 Ships[ship_obj->instance].tag_left = Weapon_info[Weapons[other_obj->instance].weapon_info_index].tag_time;
2336 Ships[ship_obj->instance].tag_total = Ships[ship_obj->instance].tag_left;
2337 if (Ships[ship_obj->instance].time_first_tagged == 0) {
2338 Ships[ship_obj->instance].time_first_tagged = Missiontime;
2340 mprintf(("TAGGED %s for %f seconds\n", Ships[ship_obj->instance].ship_name, Ships[ship_obj->instance].tag_left));
2341 } else if (Weapon_info[Weapons[other_obj->instance].weapon_info_index].tag_level == 2) {
2342 Ships[ship_obj->instance].level2_tag_left = Weapon_info[Weapons[other_obj->instance].weapon_info_index].tag_time;
2343 Ships[ship_obj->instance].level2_tag_total = Ships[ship_obj->instance].level2_tag_left;
2344 if (Ships[ship_obj->instance].time_first_tagged == 0) {
2345 Ships[ship_obj->instance].time_first_tagged = Missiontime;
2347 mprintf(("Level 2 TAGGED %s for %f seconds\n", Ships[ship_obj->instance].ship_name, Ships[ship_obj->instance].level2_tag_left));
2349 Int3(); // unknown tag level
2355 if (other_obj->type == OBJ_WEAPON) {
2356 weapon_info *wip = &Weapon_info[Weapons[other_obj->instance].weapon_info_index];
2357 if (wip->wi_flags & WIF_HOMING) {
2359 // nprintf(("AI", " Hit! Hits = %i/%i\n", Homing_hits, (Homing_hits + Homing_misses)));
2365 if ( Event_Music_battle_started == 0 ) {
2366 ship_hit_music(ship_obj, other_obj);
2374 // evaluate any possible player stats implications
2375 scoring_eval_hit(ship_obj,other_obj);
2377 ship_do_damage(ship_obj, other_obj, hitpos, damage, shield_quadrant );
2379 // DA 5/5/98: move ship_hit_create_sparks() after do_damage() since number of sparks depends on hull strength
2380 // doesn't hit shield and we want sparks
2381 if ((shield_quadrant == MISS_SHIELDS) && create_spark) {
2382 // check if subsys destroyed
2383 if ( !is_subsys_destroyed(ship_p, submodel_num) ) {
2384 ship_hit_create_sparks(ship_obj, hitpos, submodel_num);
2386 //fireball_create( hitpos, FIREBALL_SHIP_EXPLODE1, OBJ_INDEX(ship_obj), 0.25f );
2392 // This gets called to apply damage when a damaging force hits a ship, but at no
2393 // point in particular. Like from a shockwave. This routine will see if the
2394 // shield got hit and if so, apply damage to it.
2395 // You can pass force_center==NULL if you the damage doesn't come from anywhere,
2396 // like for debug keys to damage an object or something. It will
2397 // assume damage is non-directional and will apply it correctly.
2398 void ship_apply_global_damage(object *ship_obj, object *other_obj, vector *force_center, float damage )
2400 vector tmp, world_hitpos;
2402 if ( force_center ) {
2404 vector local_hitpos;
2406 // find world hitpos
2407 vm_vec_sub( &tmp, force_center, &ship_obj->pos );
2408 vm_vec_normalize_safe( &tmp );
2409 vm_vec_scale_add( &world_hitpos, &ship_obj->pos, &tmp, ship_obj->radius );
2411 // Rotate world_hitpos into local coordinates (local_hitpos)
2412 vm_vec_sub(&tmp, &world_hitpos, &ship_obj->pos );
2413 vm_vec_rotate( &local_hitpos, &tmp, &ship_obj->orient );
2415 // shield_quad = quadrant facing the force_center
2416 shield_quad = get_quadrant(&local_hitpos);
2418 // world_hitpos use force_center for shockwave
2419 if (other_obj->type == OBJ_SHOCKWAVE && Ship_info[Ships[ship_obj->instance].ship_info_index].flags & SIF_HUGE_SHIP) {
2420 world_hitpos = *force_center;
2423 // Do damage on local point
2424 ship_do_damage(ship_obj, other_obj, &world_hitpos, damage, shield_quad );
2426 // Since an force_center wasn't specified, this is probably just a debug key
2427 // to kill an object. So pick a shield quadrant and a point on the
2428 // radius of the object.
2429 vm_vec_scale_add( &world_hitpos, &ship_obj->pos, &ship_obj->orient.fvec, ship_obj->radius );
2431 for (int i=0; i<MAX_SHIELD_SECTIONS; i++){
2432 ship_do_damage(ship_obj, other_obj, &world_hitpos, damage/MAX_SHIELD_SECTIONS, i);
2436 // AL 3-30-98: Show flashing blast icon if player ship has taken blast damage
2437 if ( ship_obj == Player_obj ) {
2438 // only show blast icon if playing on medium skill or lower
2439 if ( Game_skill_level <= 2 ) {
2440 hud_start_text_flash(XSTR("Blast", 1428), 2000);
2444 // evaluate any player stats scoring conditions (specifically, blasts from remotely detonated secondary weapons)
2445 scoring_eval_hit(ship_obj,other_obj,1);
2448 void ship_apply_wash_damage(object *ship_obj, object *other_obj, float damage)
2450 vector world_hitpos, direction_vec, rand_vec;
2452 // Since an force_center wasn't specified, this is probably just a debug key
2453 // to kill an object. So pick a shield quadrant and a point on the
2454 // radius of the object
2455 vm_vec_rand_vec_quick(&rand_vec);
2456 vm_vec_scale_add(&direction_vec, &ship_obj->orient.fvec, &rand_vec, 0.5f);
2457 vm_vec_normalize_quick(&direction_vec);
2458 vm_vec_scale_add( &world_hitpos, &ship_obj->pos, &direction_vec, ship_obj->radius );
2460 // Do damage to hull and not to shields
2461 ship_do_damage(ship_obj, other_obj, &world_hitpos, damage, -1, 1);
2463 // AL 3-30-98: Show flashing blast icon if player ship has taken blast damage
2464 if ( ship_obj == Player_obj ) {
2465 // only show blast icon if playing on medium skill or lower
2466 if ( Game_skill_level <= 2 ) {
2467 hud_start_text_flash(XSTR("Engine Wash", 1429), 2000);
2471 // evaluate any player stats scoring conditions (specifically, blasts from remotely detonated secondary weapons)
2472 scoring_eval_hit(ship_obj,other_obj,1);
2476 void ship_hit_pain(float damage)
2478 game_flash( damage/15.0f, -damage/30.0f, -damage/30.0f );
2480 // kill any active popups when you get hit.
2481 if ( Game_mode & GM_MULTIPLAYER ){
2482 popup_kill_any_active();