// set the x&y inertia of object o so that it travels towards [destx,desty].
// rand_variance is a random amount of inaccuracy, in 0-255 degrees, to introduce
// into the toss.
// speed is how quickly to throw the object, in CSF'd coordinates.
void ThrowObject(Object *o, int destx, int desty, int rand_variance, int speed)
{
uint8_t angle = GetAngle(o->x, o->y, destx, desty);
if (rand_variance)
angle += random(-rand_variance, rand_variance);
ThrowObjectAtAngle(o, angle, speed);
}
// boss-fight igor
void ai_boss_igor(Object *o)
{
enum
{
STATE_INIT = 0,
STATE_STAND,
STATE_BEGIN_ATTACK,
STATE_WALK,
STATE_JUMPING,
STATE_LANDED,
STATE_PUNCH,
STATE_PUNCH_2,
STATE_PUNCH_3,
STATE_MOUTH_BLAST,
STATE_MOUTH_BLAST_2
};
switch(o->state)
{
case STATE_INIT:
{
o->damage = 0;
o->xinertia = 0;
o->state = STATE_STAND;
o->frame = 0;
o->animtimer = 0;
}
case STATE_STAND:
{
ANIMATE(5, 0, 1);
if (++o->timer > 50)
{
o->state = STATE_BEGIN_ATTACK;
}
}
break;
case STATE_BEGIN_ATTACK:
{
o->state = STATE_WALK;
o->frame = 2;
o->animtimer = 0;
o->timer = 0;
FACEPLAYER;
o->igor.fireattack = false;
// when health is less than halfway, then use
// the mouth blast attack every third time.
if (++o->timer2 >= 3 && \
o->hp <= (objprop[o->type].initial_hp / 2))
{
o->timer2 = 0;
o->igor.fireattack = true;
o->dir ^= 1; // walk away from player
}
} // fall thru
case STATE_WALK:
{
ANIMATE(3, 2, 5);
XMOVE(0x200);
if (o->igor.fireattack)
{ // begin mouth-blast attack
if (++o->timer > 16)
{
o->state = STATE_MOUTH_BLAST;
o->xinertia = 0;
o->frame = 10;
}
}
else
{
if (o->dir == LEFT)
{
if (o->x <= player->x + player->Width())
o->state = STATE_PUNCH;
}
else
{
if (o->x + o->Width() >= player->x)
o->state = STATE_PUNCH;
}
// if we don't reach him after a while, do a jump
if (++o->timer > 50)
{
o->frame = 10;
o->yinertia = -0x400;
o->state = STATE_JUMPING;
o->timer = 0;
o->xinertia *= 2;
o->xinertia /= 3;
o->damage = 2;
}
}
}
break;
case STATE_PUNCH:
{
o->xinertia = 0;
o->state = STATE_PUNCH_2;
o->frame = 6;
o->timer = 0;
}
case STATE_PUNCH_2:
{
if (++o->timer > 12)
{
sound(SND_EXPL_SMALL);
// sprite appears identical, but has a wider bounding box.
o->sprite = SPR_IGOR_PUNCHING;
o->damage = 5;
o->state = STATE_PUNCH_3;
o->frame = 7;
o->timer = 0;
}
}
break;
case STATE_PUNCH_3:
{
if (++o->timer > 10)
{
o->state = STATE_INIT;
o->frame = 0;
o->damage = 0;
// return to normal-size bounding box
o->sprite = SPR_IGOR;
}
}
break;
case STATE_JUMPING:
{
if (o->blockd)
{
sound(SND_QUAKE);
SmokeSide(o, 4, DOWN);
o->state = STATE_LANDED;
o->frame = 11;
o->timer = 0;
}
}
break;
case STATE_LANDED:
{
o->xinertia = 0;
if (++o->timer > 10)
{
o->state = STATE_INIT;
o->frame = 0;
o->damage = 0;
}
}
break;
case STATE_MOUTH_BLAST:
{
FACEPLAYER;
o->timer = 0;
o->state++;
}
case STATE_MOUTH_BLAST_2:
{
o->timer++;
// flash mouth
o->frame = 8;
if (o->timer > 50 && (o->timer & 2))
o->frame = 9;
// fire shots
if (o->timer > 100)
{
if ((o->timer % 6) == 1)
{
sound(SND_BLOCK_DESTROY);
Object *shot = SpawnObjectAtActionPoint(o, OBJ_IGOR_SHOT);
int angle = (o->dir == LEFT) ? 136 : 248;
angle += random(-16, 16);
ThrowObjectAtAngle(shot, angle, 0x580);
}
if (o->timer > 132) // fires 6 shots
{
o->state = STATE_INIT;
o->timer = 0;
}
}
}
break;
}
o->yinertia += 0x40;
LIMITY(0x5ff);
}
void ai_boss_doctor(Object *o)
{
//AIDEBUG;
/*if (o->state > 2 && o->state < 500)
{
o->state = 937;
StartScript(410);
return;
}*/
switch(o->state)
{
case 0:
{
o->y += (8 << CSF);
o->frame = 3;
o->state = 1;
o->BringToFront(); // make sure in front of doctor_crowned
crystal_tofront = true; // make sure front crystal is in front of us
}
break;
case 2: // transforming (script)
{
o->timer++;
o->frame = (o->timer & 2) ? 0 : 3;
if (o->timer > 50)
o->state = 10;
}
break;
case 10: // base state/falling (script)
{
o->yinertia += 0x80;
o->flags |= FLAG_SHOOTABLE;
o->damage = 3;
if (o->blockd)
{
o->state = 20;
o->timer = 0;
o->frame = 0;
o->savedhp = o->hp;
FACEPLAYER;
}
}
break;
// fire wave shot
case 20:
{
o->timer++;
if (o->timer < 50)
{
if ((o->hp - o->savedhp) > 20)
o->timer = 50;
}
if (o->timer == 50)
{ // arm across chest
FACEPLAYER;
o->frame = 4;
}
if (o->timer == 80)
{
Object *shot;
o->frame = 5; // arm cast out
shot = SpawnObjectAtActionPoint(o, OBJ_DOCTOR_SHOT);
shot->dir = o->dir;
shot->angle = 0;
shot = SpawnObjectAtActionPoint(o, OBJ_DOCTOR_SHOT);
shot->dir = o->dir;
shot->angle = 0x80;
sound(SND_FUNNY_EXPLODE);
}
if (o->timer == 120)
o->frame = 0; // arm down
if (o->timer > 130)
{
if ((o->hp - o->savedhp) > 50)
{
o->state = 100;
o->timer = 0;
}
if (o->timer > 160)
{
o->state = 100;
o->timer = 0;
}
}
}
break;
// big "explosion" blast
case 30:
{
o->state = 31;
o->timer = 0;
o->frame = 6;
o->xmark = o->x;
o->flags |= FLAG_SHOOTABLE;
}
case 31:
{
o->x = o->xmark;
if (++o->timer & 2) o->x += (1 << CSF);
if (o->timer > 50)
{
o->state = 32;
o->timer = 0;
o->frame = 7;
sound(SND_LIGHTNING_STRIKE);
for(int angle=8;angle<256;angle+=16)
{
Object *shot = SpawnObjectAtActionPoint(o, OBJ_DOCTOR_BLAST);
ThrowObjectAtAngle(shot, angle, 0x400);
}
}
}
break;
case 32: // after blast
{
if (++o->timer > 50)
o->state = 100;
}
break;
// teleport away
case 100:
{
o->state = 101;
o->flags &= ~FLAG_SHOOTABLE;
o->damage = 0;
dr_tp_out_init(o);
}
case 101:
{
if (dr_tp_out(o))
{
o->state = 102;
o->timer = 0;
o->invisible = true;
// decide where we're going to go now, so the red crystal
// can start moving towards it. But, it's important not to
// actually move until the last possible second, or we could
// drag our floattext along with us (and give away our position).
o->xmark = (random(5, 35) * TILE_W) << CSF;
o->ymark = (random(5, 7) * TILE_H) << CSF;
}
}
break;
case 102: // invisible: waiting to reappear
{
if (++o->timer > 40)
{
o->state = 103;
o->timer = 16;
o->frame = 2;
o->yinertia = 0;
o->x = o->xmark;
o->y = o->ymark;
FACEPLAYER;
}
}
break;
// tp back in
case 103:
{
o->state++;
dr_tp_in_init(o);
}
case 104:
{
if (dr_tp_in(o))
{
o->flags |= FLAG_SHOOTABLE;
o->damage = 3;
if (++o->timer2 >= 4)
{ // big explode
o->timer2 = 0;
o->state = 30;
}
else
{ // another wave shot
o->state = 10;
}
}
}
break;
// defeated!
case 500:
{
o->flags &= ~FLAG_SHOOTABLE;
o->frame = 6;
// fall to earth
o->yinertia += 0x10;
if (o->blockd && o->yinertia >= 0)
{
o->state = 501;
o->timer = 0;
o->xmark = o->x;
FACEPLAYER;
}
}
break;
case 501: // flashing (transforming into Doctor 2)
{
FACEPLAYER;
o->frame = 8;
o->x = o->xmark;
if (!(++o->timer & 2))
o->x += (1 << CSF);
}
break;
}
// enable per-frame bbox
COPY_PFBOX;
// set crystal follow position
if (o->state >= 10)
{
if (o->invisible) // teleporting
{
crystal_xmark = o->xmark;
crystal_ymark = o->ymark;
}
else
{
crystal_xmark = o->x;
crystal_ymark = o->y;
}
}
LIMITY(0x5ff);
}
