1 /*
2 ==============================================================================
3 
4 parasite
5 
6 ==============================================================================
7 */
8 
9 #include "g_local.h"
10 #include "m_parasite.h"
11 
12 
13 static int	sound_pain1;
14 static int	sound_pain2;
15 static int	sound_die;
16 static int	sound_launch;
17 static int	sound_impact;
18 static int	sound_suck;
19 static int	sound_reelin;
20 static int	sound_sight;
21 static int	sound_tap;
22 static int	sound_scratch;
23 static int	sound_search;
24 
25 
26 void parasite_stand (edict_t *self);
27 void parasite_start_run (edict_t *self);
28 void parasite_run (edict_t *self);
29 void parasite_walk (edict_t *self);
30 void parasite_start_walk (edict_t *self);
31 void parasite_end_fidget (edict_t *self);
32 void parasite_do_fidget (edict_t *self);
33 void parasite_refidget (edict_t *self);
34 
35 
parasite_launch(edict_t * self)36 void parasite_launch (edict_t *self)
37 {
38 	gi.sound (self, CHAN_WEAPON, sound_launch, 1, ATTN_NORM, 0);
39 }
40 
parasite_reel_in(edict_t * self)41 void parasite_reel_in (edict_t *self)
42 {
43 	gi.sound (self, CHAN_WEAPON, sound_reelin, 1, ATTN_NORM, 0);
44 }
45 
parasite_sight(edict_t * self,edict_t * other)46 void parasite_sight (edict_t *self, edict_t *other)
47 {
48 	gi.sound (self, CHAN_WEAPON, sound_sight, 1, ATTN_NORM, 0);
49 }
50 
parasite_tap(edict_t * self)51 void parasite_tap (edict_t *self)
52 {
53 	gi.sound (self, CHAN_WEAPON, sound_tap, 1, ATTN_IDLE, 0);
54 }
55 
parasite_scratch(edict_t * self)56 void parasite_scratch (edict_t *self)
57 {
58 	gi.sound (self, CHAN_WEAPON, sound_scratch, 1, ATTN_IDLE, 0);
59 }
60 
parasite_search(edict_t * self)61 void parasite_search (edict_t *self)
62 {
63 	gi.sound (self, CHAN_WEAPON, sound_search, 1, ATTN_IDLE, 0);
64 }
65 
66 
67 mframe_t parasite_frames_start_fidget [] =
68 {
69 	ai_stand, 0, NULL,
70 	ai_stand, 0, NULL,
71 	ai_stand, 0, NULL,
72 	ai_stand, 0, NULL
73 };
74 mmove_t parasite_move_start_fidget = {FRAME_stand18, FRAME_stand21, parasite_frames_start_fidget, parasite_do_fidget};
75 
76 mframe_t parasite_frames_fidget [] =
77 {
78 	ai_stand, 0, parasite_scratch,
79 	ai_stand, 0, NULL,
80 	ai_stand, 0, NULL,
81 	ai_stand, 0, parasite_scratch,
82 	ai_stand, 0, NULL,
83 	ai_stand, 0, NULL
84 };
85 mmove_t parasite_move_fidget = {FRAME_stand22, FRAME_stand27, parasite_frames_fidget, parasite_refidget};
86 
87 mframe_t parasite_frames_end_fidget [] =
88 {
89 	ai_stand, 0, parasite_scratch,
90 	ai_stand, 0, NULL,
91 	ai_stand, 0, NULL,
92 	ai_stand, 0, NULL,
93 	ai_stand, 0, NULL,
94 	ai_stand, 0, NULL,
95 	ai_stand, 0, NULL,
96 	ai_stand, 0, NULL
97 };
98 mmove_t parasite_move_end_fidget = {FRAME_stand28, FRAME_stand35, parasite_frames_end_fidget, parasite_stand};
99 
parasite_end_fidget(edict_t * self)100 void parasite_end_fidget (edict_t *self)
101 {
102 	self->monsterinfo.currentmove = &parasite_move_end_fidget;
103 }
104 
parasite_do_fidget(edict_t * self)105 void parasite_do_fidget (edict_t *self)
106 {
107 	self->monsterinfo.currentmove = &parasite_move_fidget;
108 }
109 
parasite_refidget(edict_t * self)110 void parasite_refidget (edict_t *self)
111 {
112 	if (random() <= 0.8)
113 		self->monsterinfo.currentmove = &parasite_move_fidget;
114 	else
115 		self->monsterinfo.currentmove = &parasite_move_end_fidget;
116 }
117 
parasite_idle(edict_t * self)118 void parasite_idle (edict_t *self)
119 {
120 	self->monsterinfo.currentmove = &parasite_move_start_fidget;
121 }
122 
123 
124 mframe_t parasite_frames_stand [] =
125 {
126 	ai_stand, 0, NULL,
127 	ai_stand, 0, NULL,
128 	ai_stand, 0, parasite_tap,
129 	ai_stand, 0, NULL,
130 	ai_stand, 0, parasite_tap,
131 	ai_stand, 0, NULL,
132 	ai_stand, 0, NULL,
133 	ai_stand, 0, NULL,
134 	ai_stand, 0, parasite_tap,
135 	ai_stand, 0, NULL,
136 	ai_stand, 0, parasite_tap,
137 	ai_stand, 0, NULL,
138 	ai_stand, 0, NULL,
139 	ai_stand, 0, NULL,
140 	ai_stand, 0, parasite_tap,
141 	ai_stand, 0, NULL,
142 	ai_stand, 0, parasite_tap
143 };
144 mmove_t	parasite_move_stand = {FRAME_stand01, FRAME_stand17, parasite_frames_stand, parasite_stand};
145 
parasite_stand(edict_t * self)146 void parasite_stand (edict_t *self)
147 {
148 	self->monsterinfo.currentmove = &parasite_move_stand;
149 }
150 
151 
152 mframe_t parasite_frames_run [] =
153 {
154 	ai_run, 30, NULL,
155 	ai_run, 30, NULL,
156 	ai_run, 22, NULL,
157 	ai_run, 19, NULL,
158 	ai_run, 24, NULL,
159 	ai_run, 28, NULL,
160 	ai_run, 25, NULL
161 };
162 mmove_t parasite_move_run = {FRAME_run03, FRAME_run09, parasite_frames_run, NULL};
163 
164 mframe_t parasite_frames_start_run [] =
165 {
166 	ai_run, 0,	NULL,
167 	ai_run, 30, NULL,
168 };
169 mmove_t parasite_move_start_run = {FRAME_run01, FRAME_run02, parasite_frames_start_run, parasite_run};
170 
171 mframe_t parasite_frames_stop_run [] =
172 {
173 	ai_run, 20, NULL,
174 	ai_run, 20,	NULL,
175 	ai_run, 12, NULL,
176 	ai_run, 10, NULL,
177 	ai_run, 0,  NULL,
178 	ai_run, 0,  NULL
179 };
180 mmove_t parasite_move_stop_run = {FRAME_run10, FRAME_run15, parasite_frames_stop_run, NULL};
181 
parasite_start_run(edict_t * self)182 void parasite_start_run (edict_t *self)
183 {
184 	if (self->monsterinfo.aiflags & AI_STAND_GROUND)
185 		self->monsterinfo.currentmove = &parasite_move_stand;
186 	else
187 		self->monsterinfo.currentmove = &parasite_move_start_run;
188 }
189 
parasite_run(edict_t * self)190 void parasite_run (edict_t *self)
191 {
192 	if (self->monsterinfo.aiflags & AI_STAND_GROUND)
193 		self->monsterinfo.currentmove = &parasite_move_stand;
194 	else
195 		self->monsterinfo.currentmove = &parasite_move_run;
196 }
197 
198 
199 mframe_t parasite_frames_walk [] =
200 {
201 	ai_walk, 30, NULL,
202 	ai_walk, 30, NULL,
203 	ai_walk, 22, NULL,
204 	ai_walk, 19, NULL,
205 	ai_walk, 24, NULL,
206 	ai_walk, 28, NULL,
207 	ai_walk, 25, NULL
208 };
209 mmove_t parasite_move_walk = {FRAME_run03, FRAME_run09, parasite_frames_walk, parasite_walk};
210 
211 mframe_t parasite_frames_start_walk [] =
212 {
213 	ai_walk, 0,	NULL,
214 	ai_walk, 30, parasite_walk
215 };
216 mmove_t parasite_move_start_walk = {FRAME_run01, FRAME_run02, parasite_frames_start_walk, NULL};
217 
218 mframe_t parasite_frames_stop_walk [] =
219 {
220 	ai_walk, 20, NULL,
221 	ai_walk, 20,	NULL,
222 	ai_walk, 12, NULL,
223 	ai_walk, 10, NULL,
224 	ai_walk, 0,  NULL,
225 	ai_walk, 0,  NULL
226 };
227 mmove_t parasite_move_stop_walk = {FRAME_run10, FRAME_run15, parasite_frames_stop_walk, NULL};
228 
parasite_start_walk(edict_t * self)229 void parasite_start_walk (edict_t *self)
230 {
231 	self->monsterinfo.currentmove = &parasite_move_start_walk;
232 }
233 
parasite_walk(edict_t * self)234 void parasite_walk (edict_t *self)
235 {
236 	self->monsterinfo.currentmove = &parasite_move_walk;
237 }
238 
239 
240 mframe_t parasite_frames_pain1 [] =
241 {
242 	ai_move, 0, NULL,
243 	ai_move, 0, NULL,
244 	ai_move, 0,	NULL,
245 	ai_move, 0,	NULL,
246 	ai_move, 0,	NULL,
247 	ai_move, 0,	NULL,
248 	ai_move, 6,	NULL,
249 	ai_move, 16, NULL,
250 	ai_move, -6, NULL,
251 	ai_move, -7, NULL,
252 	ai_move, 0, NULL
253 };
254 mmove_t parasite_move_pain1 = {FRAME_pain101, FRAME_pain111, parasite_frames_pain1, parasite_start_run};
255 
parasite_pain(edict_t * self,edict_t * other,float kick,int damage)256 void parasite_pain (edict_t *self, edict_t *other, float kick, int damage)
257 {
258 	if (self->health < (self->max_health / 2))
259 		self->s.skinnum = 1;
260 
261 	if (level.time < self->pain_debounce_time)
262 		return;
263 
264 	self->pain_debounce_time = level.time + 3;
265 
266 	if (skill->value == 3)
267 		return;		// no pain anims in nightmare
268 
269 	if (random() < 0.5)
270 		gi.sound (self, CHAN_VOICE, sound_pain1, 1, ATTN_NORM, 0);
271 	else
272 		gi.sound (self, CHAN_VOICE, sound_pain2, 1, ATTN_NORM, 0);
273 
274 	self->monsterinfo.currentmove = &parasite_move_pain1;
275 }
276 
277 
parasite_drain_attack_ok(vec3_t start,vec3_t end)278 static qboolean parasite_drain_attack_ok (vec3_t start, vec3_t end)
279 {
280 	vec3_t	dir, angles;
281 
282 	// check for max distance
283 	VectorSubtract (start, end, dir);
284 	if (VectorLength(dir) > 256)
285 		return false;
286 
287 	// check for min/max pitch
288 	vectoangles (dir, angles);
289 	if (angles[0] < -180)
290 		angles[0] += 360;
291 	if (fabs(angles[0]) > 30)
292 		return false;
293 
294 	return true;
295 }
296 
parasite_drain_attack(edict_t * self)297 void parasite_drain_attack (edict_t *self)
298 {
299 	vec3_t	offset, start, f, r, end, dir;
300 	trace_t	tr;
301 	int damage;
302 
303 	AngleVectors (self->s.angles, f, r, NULL);
304 	VectorSet (offset, 24, 0, 6);
305 	G_ProjectSource (self->s.origin, offset, f, r, start);
306 
307 	VectorCopy (self->enemy->s.origin, end);
308 	if (!parasite_drain_attack_ok(start, end))
309 	{
310 		end[2] = self->enemy->s.origin[2] + self->enemy->maxs[2] - 8;
311 		if (!parasite_drain_attack_ok(start, end))
312 		{
313 			end[2] = self->enemy->s.origin[2] + self->enemy->mins[2] + 8;
314 			if (!parasite_drain_attack_ok(start, end))
315 				return;
316 		}
317 	}
318 	VectorCopy (self->enemy->s.origin, end);
319 
320 	tr = gi.trace (start, NULL, NULL, end, self, MASK_SHOT);
321 	if (tr.ent != self->enemy)
322 		return;
323 
324 	if (self->s.frame == FRAME_drain03)
325 	{
326 		damage = 5;
327 		gi.sound (self->enemy, CHAN_AUTO, sound_impact, 1, ATTN_NORM, 0);
328 	}
329 	else
330 	{
331 		if (self->s.frame == FRAME_drain04)
332 			gi.sound (self, CHAN_WEAPON, sound_suck, 1, ATTN_NORM, 0);
333 		damage = 2;
334 	}
335 
336 	gi.WriteByte (svc_temp_entity);
337 	gi.WriteByte (TE_PARASITE_ATTACK);
338 	gi.WriteShort (self - g_edicts);
339 	gi.WritePosition (start);
340 	gi.WritePosition (end);
341 	gi.multicast (self->s.origin, MULTICAST_PVS);
342 
343 	VectorSubtract (start, end, dir);
344 	T_Damage (self->enemy, self, self, dir, self->enemy->s.origin, vec3_origin, damage, 0, DAMAGE_NO_KNOCKBACK, MOD_UNKNOWN);
345 }
346 
347 mframe_t parasite_frames_drain [] =
348 {
349 	ai_charge, 0,	parasite_launch,
350 	ai_charge, 0,	NULL,
351 	ai_charge, 15,	parasite_drain_attack,			// Target hits
352 	ai_charge, 0,	parasite_drain_attack,			// drain
353 	ai_charge, 0,	parasite_drain_attack,			// drain
354 	ai_charge, 0,	parasite_drain_attack,			// drain
355 	ai_charge, 0,	parasite_drain_attack,			// drain
356 	ai_charge, -2,  parasite_drain_attack,			// drain
357 	ai_charge, -2,	parasite_drain_attack,			// drain
358 	ai_charge, -3,	parasite_drain_attack,			// drain
359 	ai_charge, -2,	parasite_drain_attack,			// drain
360 	ai_charge, 0,	parasite_drain_attack,			// drain
361 	ai_charge, -1,  parasite_drain_attack,			// drain
362 	ai_charge, 0,	parasite_reel_in,				// let go
363 	ai_charge, -2,	NULL,
364 	ai_charge, -2,	NULL,
365 	ai_charge, -3,	NULL,
366 	ai_charge, 0,	NULL
367 };
368 mmove_t parasite_move_drain = {FRAME_drain01, FRAME_drain18, parasite_frames_drain, parasite_start_run};
369 
370 
371 mframe_t parasite_frames_break [] =
372 {
373 	ai_charge, 0,	NULL,
374 	ai_charge, -3,	NULL,
375 	ai_charge, 1,	NULL,
376 	ai_charge, 2,	NULL,
377 	ai_charge, -3,	NULL,
378 	ai_charge, 1,	NULL,
379 	ai_charge, 1,	NULL,
380 	ai_charge, 3,	NULL,
381 	ai_charge, 0,	NULL,
382 	ai_charge, -18,	NULL,
383 	ai_charge, 3,	NULL,
384 	ai_charge, 9,	NULL,
385 	ai_charge, 6,	NULL,
386 	ai_charge, 0,	NULL,
387 	ai_charge, -18,	NULL,
388 	ai_charge, 0,	NULL,
389 	ai_charge, 8,	NULL,
390 	ai_charge, 9,	NULL,
391 	ai_charge, 0,	NULL,
392 	ai_charge, -18,	NULL,
393 	ai_charge, 0,	NULL,
394 	ai_charge, 0,	NULL,		// airborne
395 	ai_charge, 0,	NULL,		// airborne
396 	ai_charge, 0,	NULL,		// slides
397 	ai_charge, 0,	NULL,		// slides
398 	ai_charge, 0,	NULL,		// slides
399 	ai_charge, 0,	NULL,		// slides
400 	ai_charge, 4,	NULL,
401 	ai_charge, 11,	NULL,
402 	ai_charge, -2,	NULL,
403 	ai_charge, -5,	NULL,
404 	ai_charge, 1,	NULL
405 };
406 mmove_t parasite_move_break = {FRAME_break01, FRAME_break32, parasite_frames_break, parasite_start_run};
407 
408 /*
409 ===
410 Break Stuff Ends
411 ===
412 */
413 
parasite_attack(edict_t * self)414 void parasite_attack (edict_t *self)
415 {
416 //	if (random() <= 0.2)
417 //		self->monsterinfo.currentmove = &parasite_move_break;
418 //	else
419 		self->monsterinfo.currentmove = &parasite_move_drain;
420 }
421 
422 
423 
424 /*
425 ===
426 Death Stuff Starts
427 ===
428 */
429 
parasite_dead(edict_t * self)430 void parasite_dead (edict_t *self)
431 {
432 	VectorSet (self->mins, -16, -16, -24);
433 	VectorSet (self->maxs, 16, 16, -8);
434 	self->movetype = MOVETYPE_TOSS;
435 	self->svflags |= SVF_DEADMONSTER;
436 	self->nextthink = 0;
437 
438 	self->think=FadeDieSink;
439 	self->nextthink=level.time+FADETIME+random()*5;
440 	self->floater=1;
441 
442 	gi.linkentity (self);
443 }
444 
445 mframe_t parasite_frames_death [] =
446 {
447 	ai_move, 0,	 NULL,
448 	ai_move, 0,	 NULL,
449 	ai_move, 0,	 NULL,
450 	ai_move, 0,	 NULL,
451 	ai_move, 0,	 NULL,
452 	ai_move, 0,	 NULL,
453 	ai_move, 0,	 NULL
454 };
455 mmove_t parasite_move_death = {FRAME_death101, FRAME_death107, parasite_frames_death, parasite_dead};
456 
parasite_die(edict_t * self,edict_t * inflictor,edict_t * attacker,int damage,vec3_t point)457 void parasite_die (edict_t *self, edict_t *inflictor, edict_t *attacker, int damage, vec3_t point)
458 {
459 	int		n;
460 
461 	switch (meansOfDeath & ~MOD_FRIENDLY_FIRE)
462 	{
463 		case MOD_ROCKET:
464 		case MOD_BFG_LASER:
465 		case MOD_BFG_BLAST:
466 		case MOD_HANDGRENADE:
467 		case MOD_HELD_GRENADE:
468 		case MOD_BOMB:
469 		case MOD_C4:
470 		case MOD_GAS_BOOM:
471 			self->health = self->gib_health;
472 			break;
473 		case MOD_FLAME:
474 		case MOD_DISCHARGE:
475 		case MOD_LAVA:
476 			self->health -= damage * 2;
477 			break;
478 		case MOD_HG_SPLASH:
479 		case MOD_R_SPLASH:
480 		case MOD_G_SPLASH:
481 			self->health -= damage * 5;
482 			break;
483 		case MOD_R_BFG_SPLASH:
484 			self->health -= damage * 10;
485 			break;
486 	}
487 
488 // check for gib
489 	if (self->health <= self->gib_health)
490 	{
491 		gi.sound (self, CHAN_VOICE, gi.soundindex ("misc/udeath.wav"), 1, ATTN_NORM, 0);
492 		for (n= 0; n < 2; n++)
493 			ThrowGib (self, "models/objects/gibs/bone/tris.md2", damage, GIB_ORGANIC);
494 		for (n= 0; n < 4; n++)
495 			ThrowGib (self, "models/objects/gibs/sm_meat/tris.md2", damage, GIB_ORGANIC);
496 		ThrowHead (self, "models/objects/gibs/head2/tris.md2", damage, GIB_ORGANIC);
497 		self->deadflag = DEAD_DEAD;
498 		return;
499 	}
500 
501 	if (self->deadflag == DEAD_DEAD)
502 		return;
503 
504 // regular death
505 	gi.sound (self, CHAN_VOICE, sound_die, 1, ATTN_NORM, 0);
506 	self->deadflag = DEAD_DEAD;
507 	self->takedamage = DAMAGE_YES;
508 	self->monsterinfo.currentmove = &parasite_move_death;
509 }
510 
511 /*
512 ===
513 End Death Stuff
514 ===
515 */
516 
517 /*QUAKED monster_parasite (1 .5 0) (-16 -16 -24) (16 16 32) Ambush Trigger_Spawn Sight
518 */
SP_monster_parasite(edict_t * self)519 void SP_monster_parasite (edict_t *self)
520 {
521 	if (deathmatch->value)
522 	{
523 		G_FreeEdict (self);
524 		return;
525 	}
526 
527 	sound_pain1 = gi.soundindex ("parasite/parpain1.wav");
528 	sound_pain2 = gi.soundindex ("parasite/parpain2.wav");
529 	sound_die = gi.soundindex ("parasite/pardeth1.wav");
530 	sound_launch = gi.soundindex("parasite/paratck1.wav");
531 	sound_impact = gi.soundindex("parasite/paratck2.wav");
532 	sound_suck = gi.soundindex("parasite/paratck3.wav");
533 	sound_reelin = gi.soundindex("parasite/paratck4.wav");
534 	sound_sight = gi.soundindex("parasite/parsght1.wav");
535 	sound_tap = gi.soundindex("parasite/paridle1.wav");
536 	sound_scratch = gi.soundindex("parasite/paridle2.wav");
537 	sound_search = gi.soundindex("parasite/parsrch1.wav");
538 
539 	self->s.modelindex = gi.modelindex ("models/monsters/parasite/tris.md2");
540 	VectorSet (self->mins, -16, -16, -24);
541 	VectorSet (self->maxs, 16, 16, 24);
542 	self->movetype = MOVETYPE_STEP;
543 	self->solid = SOLID_BBOX;
544 
545 	self->health = 50;
546 	self->gib_health = -250;
547 	self->mass = 250;
548 
549 	self->max_health = self->health;
550 
551 	self->pain = parasite_pain;
552 	self->die = parasite_die;
553 
554 	self->monsterinfo.stand = parasite_stand;
555 	self->monsterinfo.walk = parasite_start_walk;
556 	self->monsterinfo.run = parasite_start_run;
557 	self->monsterinfo.attack = parasite_attack;
558 	self->monsterinfo.sight = parasite_sight;
559 	self->monsterinfo.idle = parasite_idle;
560 
561 	gi.linkentity (self);
562 
563 	self->monsterinfo.currentmove = &parasite_move_stand;
564 	self->monsterinfo.scale = MODEL_SCALE;
565 
566 	walkmonster_start (self);
567 }
568