Annotation of quake2/game/m_parasite.c, revision 1.1.1.1

1.1       root        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: 
                     36: void parasite_launch (edict_t *self)
                     37: {
                     38:        gi.sound (self, CHAN_WEAPON, sound_launch, 1, ATTN_NORM, 0);
                     39: }
                     40: 
                     41: void parasite_reel_in (edict_t *self)
                     42: {
                     43:        gi.sound (self, CHAN_WEAPON, sound_reelin, 1, ATTN_NORM, 0);
                     44: }
                     45: 
                     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: 
                     51: void parasite_tap (edict_t *self)
                     52: {
                     53:        gi.sound (self, CHAN_WEAPON, sound_tap, 1, ATTN_IDLE, 0);
                     54: }
                     55: 
                     56: void parasite_scratch (edict_t *self)
                     57: {
                     58:        gi.sound (self, CHAN_WEAPON, sound_scratch, 1, ATTN_IDLE, 0);
                     59: }
                     60: 
                     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: 
                    100: void parasite_end_fidget (edict_t *self)
                    101: {
                    102:        self->monsterinfo.currentmove = &parasite_move_end_fidget;
                    103: }
                    104: 
                    105: void parasite_do_fidget (edict_t *self)
                    106: {
                    107:        self->monsterinfo.currentmove = &parasite_move_fidget;
                    108: }
                    109: 
                    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: 
                    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: 
                    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: 
                    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: 
                    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: 
                    229: void parasite_start_walk (edict_t *self)
                    230: {      
                    231:        self->monsterinfo.currentmove = &parasite_move_start_walk;
                    232: }
                    233: 
                    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: 
                    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: 
                    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: 
                    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: 
                    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: 
                    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:        gi.linkentity (self);
                    438: }
                    439: 
                    440: mframe_t parasite_frames_death [] =
                    441: {
                    442:        ai_move, 0,      NULL,
                    443:        ai_move, 0,      NULL,
                    444:        ai_move, 0,      NULL,
                    445:        ai_move, 0,      NULL,
                    446:        ai_move, 0,      NULL,
                    447:        ai_move, 0,      NULL,
                    448:        ai_move, 0,      NULL
                    449: };
                    450: mmove_t parasite_move_death = {FRAME_death101, FRAME_death107, parasite_frames_death, parasite_dead};
                    451: 
                    452: void parasite_die (edict_t *self, edict_t *inflictor, edict_t *attacker, int damage, vec3_t point)
                    453: {
                    454:        int             n;
                    455: 
                    456: // check for gib
                    457:        if (self->health <= self->gib_health)
                    458:        {
                    459:                gi.sound (self, CHAN_VOICE, gi.soundindex ("misc/udeath.wav"), 1, ATTN_NORM, 0);
                    460:                for (n= 0; n < 2; n++)
                    461:                        ThrowGib (self, "models/objects/gibs/bone/tris.md2", damage, GIB_ORGANIC);
                    462:                for (n= 0; n < 4; n++)
                    463:                        ThrowGib (self, "models/objects/gibs/sm_meat/tris.md2", damage, GIB_ORGANIC);
                    464:                ThrowHead (self, "models/objects/gibs/head2/tris.md2", damage, GIB_ORGANIC);
                    465:                self->deadflag = DEAD_DEAD;
                    466:                return;
                    467:        }
                    468: 
                    469:        if (self->deadflag == DEAD_DEAD)
                    470:                return;
                    471: 
                    472: // regular death
                    473:        gi.sound (self, CHAN_VOICE, sound_die, 1, ATTN_NORM, 0);
                    474:        self->deadflag = DEAD_DEAD;
                    475:        self->takedamage = DAMAGE_YES;
                    476:        self->monsterinfo.currentmove = &parasite_move_death;
                    477: }
                    478: 
                    479: /*
                    480: ===
                    481: End Death Stuff
                    482: ===
                    483: */
                    484: 
                    485: /*QUAKED monster_parasite (1 .5 0) (-16 -16 -24) (16 16 32) Ambush Trigger_Spawn Sight
                    486: */
                    487: void SP_monster_parasite (edict_t *self)
                    488: {
                    489:        if (deathmatch->value)
                    490:        {
                    491:                G_FreeEdict (self);
                    492:                return;
                    493:        }
                    494: 
                    495:        sound_pain1 = gi.soundindex ("parasite/parpain1.wav");  
                    496:        sound_pain2 = gi.soundindex ("parasite/parpain2.wav");  
                    497:        sound_die = gi.soundindex ("parasite/pardeth1.wav");    
                    498:        sound_launch = gi.soundindex("parasite/paratck1.wav");
                    499:        sound_impact = gi.soundindex("parasite/paratck2.wav");
                    500:        sound_suck = gi.soundindex("parasite/paratck3.wav");
                    501:        sound_reelin = gi.soundindex("parasite/paratck4.wav");
                    502:        sound_sight = gi.soundindex("parasite/parsght1.wav");
                    503:        sound_tap = gi.soundindex("parasite/paridle1.wav");
                    504:        sound_scratch = gi.soundindex("parasite/paridle2.wav");
                    505:        sound_search = gi.soundindex("parasite/parsrch1.wav");
                    506: 
                    507:        self->s.modelindex = gi.modelindex ("models/monsters/parasite/tris.md2");
                    508:        VectorSet (self->mins, -16, -16, -24);
                    509:        VectorSet (self->maxs, 16, 16, 24);
                    510:        self->movetype = MOVETYPE_STEP;
                    511:        self->solid = SOLID_BBOX;
                    512: 
                    513:        self->health = 175;
                    514:        self->gib_health = -50;
                    515:        self->mass = 250;
                    516: 
                    517:        self->pain = parasite_pain;
                    518:        self->die = parasite_die;
                    519: 
                    520:        self->monsterinfo.stand = parasite_stand;
                    521:        self->monsterinfo.walk = parasite_start_walk;
                    522:        self->monsterinfo.run = parasite_start_run;
                    523:        self->monsterinfo.attack = parasite_attack;
                    524:        self->monsterinfo.sight = parasite_sight;
                    525:        self->monsterinfo.idle = parasite_idle;
                    526: 
                    527:        gi.linkentity (self);
                    528: 
                    529:        self->monsterinfo.currentmove = &parasite_move_stand;   
                    530:        self->monsterinfo.scale = MODEL_SCALE;
                    531: 
                    532:        walkmonster_start (self);
                    533: }

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