void aftermove_blade_l12_shot(Object *o)
{
int level = (o->shot.btype - B_BLADE_L1);
ANIMATE(1, 0, 3);
if (--o->shot.ttl < 0)
{
shot_dissipate(o);
return;
}
// only start damaging enemies after we've passed the player
// as it starts slightly behind him
if (++o->timer >= 4)
{
Object *enemy;
if ((enemy = damage_enemies(o)))
{
// on level 2 we can deal damage up to 3 times (18 max)
if (level == 0 || \
++o->timer2 >= 3 || (enemy->flags & FLAG_INVULNERABLE))
{
o->Delete();
return;
}
}
else if (IsBlockedInShotDir(o))
{
if (!shot_destroy_blocks(o))
sound(SND_SHOT_HIT);
shot_dissipate(o, EFFECT_STARSOLID);
return;
}
}
switch(level)
{
case 0:
if ((o->timer % 5) == 1)
sound(SND_FIREBALL);
break;
case 1:
if ((o->timer % 7) == 1)
sound(SND_SLASH);
break;
}
}
void ai_missile_shot(Object *o)
{
int index = o->shot.level + ((o->type == OBJ_SUPERMISSILE_SHOT) ? 3 : 0);
MissileSettings *settings = &missile_settings[index];
if (o->state == 0) {
o->shot.damage = settings->damage;
if (o->shot.level == 2) {
// initilize wavey effect
if (o->shot.dir == LEFT || o->shot.dir == RIGHT)
o->ymark = -0x20;
else
o->xmark = -0x20;
// don't let it explode until the "recoil" effect is over.
o->state = STATE_WAIT_RECOIL_OVER;
// record position we were fired at (we won't explode until we pass it)
o->xmark2 = player->x;
o->ymark2 = player->y;
} else {
o->state = STATE_MISSILE_CAN_EXPLODE;
}
}
// accelerate according to current type and level of missile
// don't use LIMITX here as it can mess up recoil of level 3 super missiles
switch(o->shot.dir) {
case RIGHT:
o->xinertia += settings->accel;
if (o->xinertia > settings->maxspeed) o->xinertia = settings->maxspeed;
break;
case LEFT:
o->xinertia -= settings->accel;
if (o->xinertia < -settings->maxspeed) o->xinertia = -settings->maxspeed;
break;
case UP:
o->yinertia -= settings->accel;
if (o->yinertia < -settings->maxspeed) o->yinertia = -settings->maxspeed;
break;
case DOWN:
o->yinertia += settings->accel;
if (o->yinertia > settings->maxspeed) o->yinertia = settings->maxspeed;
break;
}
// wavey effect for level 3
// (markx/y is used as a "speed" value here)
if (o->shot.level == 2) {
if (o->shot.dir == LEFT || o->shot.dir == RIGHT) {
o->yinertia += o->ymark;
if (o->ymark > 0 && o->yinertia > 0x100) o->ymark = -o->ymark;
if (o->ymark < 0 && o->yinertia < -0x100) o->ymark = -o->ymark;
} else {
o->xinertia += o->xmark;
if (o->xmark > 0 && o->xinertia > 0x100) o->xmark = -o->xmark;
if (o->xmark < 0 && o->xinertia < -0x100) o->xmark = -o->xmark;
}
}
// check if we hit an enemy
// level 3 missiles can not blow up while they are "recoiling"
// what we do is first wait until they're traveling in the direction
// they're pointing, then wait till they pass the player's original position.
switch(o->state) {
case STATE_WAIT_RECOIL_OVER:
switch(o->shot.dir) {
case LEFT:
if (o->xinertia <= 0) o->state = STATE_RECOIL_OVER;
break;
case RIGHT:
if (o->xinertia >= 0) o->state = STATE_RECOIL_OVER;
break;
case UP:
if (o->yinertia <= 0) o->state = STATE_RECOIL_OVER;
break;
case DOWN:
if (o->yinertia >= 0) o->state = STATE_RECOIL_OVER;
break;
}
if (o->state != STATE_RECOIL_OVER)
break;
case STATE_RECOIL_OVER:
switch(o->shot.dir) {
case LEFT:
if (o->x <= o->xmark2-(2<<CSF)) o->state = STATE_MISSILE_CAN_EXPLODE;
break;
case RIGHT:
if (o->x >= o->xmark2+(2<<CSF)) o->state = STATE_MISSILE_CAN_EXPLODE;
break;
case UP:
if (o->y <= o->ymark2-(2<<CSF)) o->state = STATE_MISSILE_CAN_EXPLODE;
break;
case DOWN:
if (o->y >= o->ymark2+(2<<CSF)) o->state = STATE_MISSILE_CAN_EXPLODE;
break;
}
if (o->state != STATE_MISSILE_CAN_EXPLODE)
break;
case STATE_MISSILE_CAN_EXPLODE: {
bool blow_up = false;
if (damage_enemies(o)) {
blow_up = true;
} else {
// check if we hit a wall
if (o->shot.dir==LEFT && o->blockl) blow_up = true;
else if (o->shot.dir==RIGHT && o->blockr) blow_up = true;
else if (o->shot.dir==UP && o->blocku) blow_up = true;
else if (o->shot.dir==DOWN && o->blockd) blow_up = true;
}
if (blow_up) {
sound(SND_MISSILE_HIT);
// create the boom-spawner object for the flashes, smoke, and AoE damage
Object *sp = CreateObject(o->CenterX(), o->CenterY(), OBJ_MISSILE_BOOM_SPAWNER);
sp->shot.boomspawner.range = settings->boomrange;
sp->shot.boomspawner.booms_left = settings->num_booms;
sp->shot.damage = settings->boomdamage;
o->Delete();
return;
}
}
break;
}
if (--o->shot.ttl < 0)
shot_dissipate(o, EFFECT_STARPOOF);
// smoke trails
if (++o->timer > 2) {
o->timer = 0;
Caret *trail = effect(o->CenterX() - o->xinertia, \
o->CenterY() - o->yinertia, EFFECT_SMOKETRAIL);
const int trailspd = 0x400;
switch(o->shot.dir) {
case LEFT:
trail->xinertia = trailspd;
trail->y -= (2<<CSF);
break;
case RIGHT:
trail->xinertia = -trailspd;
trail->y -= (2<<CSF);
break;
case UP:
trail->yinertia = trailspd;
trail->x -= (1<<CSF);
break;
case DOWN:
trail->yinertia = -trailspd;
trail->x -= (1<<CSF);
break;
}
}
}
void ai_blade_l3_shot(Object *o)
{
switch(o->state)
{
case STATE_FLYING:
{
if ((++o->timer % 4) == 1)
{
Object *slash = CreateObject(o->x, o->y - (12 << CSF), OBJ_BLADE_SLASH);
if (++o->timer2 & 1)
{
slash->dir = LEFT;
slash->x += (10 << CSF);
}
else
{
slash->dir = RIGHT;
slash->x -= (10 << CSF);
}
sound(SND_SLASH);
}
if (++o->timer2 > o->shot.ttl)
{
shot_dissipate(o);
return;
}
// damage enemies and hit walls
if (o->timer2 >= 5)
{
Object *enemy;
if ((enemy = damage_enemies(o)))
{
if (enemy->flags & FLAG_INVULNERABLE)
{
shot_spawn_effect(o, EFFECT_STARSOLID);
sound(SND_SHOT_HIT);
o->Delete();
}
else
{
o->x += o->xinertia;
o->y += o->yinertia;
o->xinertia = 0;
o->yinertia = 0;
o->state = STATE_AOE;
o->frame = 1;
o->timer = 0;
}
}
else if (IsBlockedInShotDir(o))
{
if (!shot_destroy_blocks(o))
sound(SND_SHOT_HIT);
shot_spawn_effect(o, EFFECT_STARSOLID);
o->Delete();
}
}
}
break;
case STATE_AOE:
{
if (!random(0, 2))
{
Object *slash = CreateObject(o->x + random(-BLADE_AOE, BLADE_AOE),
o->y + random(-BLADE_AOE, BLADE_AOE),
OBJ_BLADE_SLASH);
slash->dir = random(0, 1) ? LEFT : RIGHT;
sound(SND_SLASH);
}
if (++o->timer > 50)
o->Delete();
}
break;
}
o->invisible = (o->timer & 1);
}
