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#include "enemy.h"
extern double fps_factor;
typedef struct {
ENEMY_BASE b;
int state;
int destx, desty;
double speed;
double ang;
int r;
int c;
int level;
} PLASMABALL_DATA;
void enemy_plasmaball_add(int lv)
{
int i,j;
SPRITE *s;
PLASMABALL_DATA *data;
for(j=0;j<5;j++) {
for(i=0;i<8;i++) {
s=sprite_add_file("plasmaball.bmp",11,PR_ENEMY);
s->type=SP_EN_PLASMABALL;
s->flags|=(SP_FLAG_VISIBLE|SP_FLAG_COLCHECK);
s->mover=enemy_plasmaball_move;
s->anim_speed=1;
s->aktframe=rand()%s->frames;
data=mmalloc(sizeof(PLASMABALL_DATA));
s->data=data;
data->b.score=25;
data->b.health=2;
data->destx=i*35+20;
data->desty=200-(j*40);
data->state=0;
data->speed=3*((double)rand()/RAND_MAX+1);
s->x=data->destx;
s->y=-s->w-i*20-(j*50);
data->level=lv;
}
}
}
void enemy_plasmaball_move(SPRITE *s)
{
PLASMABALL_DATA *d=(PLASMABALL_DATA *)s->data;
switch(d->state) {
case 0:
s->y+=d->speed*fps_factor;
if(s->y>=d->desty) {
s->y=d->desty;
d->state=1;
d->ang=0;
d->r=0;
d->c=0;
}
break;
case 1:
if(d->r==0) {
d->ang+=0.3*fps_factor;
if(d->ang>2*M_PI) {
d->r=1;
d->c++;
}
} else {
d->ang-=0.3*fps_factor;
if(d->ang<0)
d->r=0;
}
s->y=(double)d->desty+cos(d->ang)*(1+6-d->c);
if((d->ang>-0.7)&&(d->ang<0.4)&&(d->c==5)) {
d->state=2;
if(rand()%20==0)
bonus_add(s->x,s->y,SP_BONUS_EXTRA);
if(rand()%20==0)
bonus_add(s->x,s->y,SP_BONUS_HEALTH);
if(rand()%20==0)
enemy_laser_create(s,5);
}
break;
case 2:
d->desty+=50;
if(d->desty>480)
s->type=-1;
else
d->state=0;
break;
}
}
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