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#include "enemy.h"
extern double fps_factor;
typedef struct {
ENEMY_BASE b;
int state;
int level;
double angle;
double speed;
double max_y;
} GREETER_DATA;
void enemy_greeter_add(int lv)
{
int i;
SPRITE *s;
GREETER_DATA *data;
CONTROLLER *c;
int *id_array;
static int last=0;
c=controller_add();
c->max=5;
id_array=mmalloc(sizeof(int)*(c->max+2));
c->e=id_array;
c->con=enemy_greeter_controller;
for(i=0;i<c->max;i++) {
s=sprite_add_file("ming.bmp",36,PR_ENEMY);
id_array[i]=s->id;
s->type=SP_EN_GREETER;
s->flags|=(SP_FLAG_VISIBLE|SP_FLAG_COLCHECK);
s->mover=enemy_greeter_move;
s->anim_speed=0;
data=mmalloc(sizeof(GREETER_DATA));
s->data=data;
if(last)
s->x=WIDTH-s->w;
else
s->x=0;
s->y=-i*s->h;
data->angle=atan2((HEIGHT-s->h-60)-s->y,WIDTH/2-s->x);
data->max_y=(HEIGHT-s->h-60);
data->speed=5;
data->state=0;
data->b.score=5;
data->b.health=1;
data->level=lv;
}
last=~last;
}
void enemy_greeter_controller(CONTROLLER *c)
{
int i;
int *id_array=c->e;
SPRITE *s;
int invisible=0;
static int bonus=SP_BONUS_ADDSPEED;
for(i=0;i<c->max;i++) {
s=sprite_get_by_id(id_array[i]);
if(s!=NULL)
if(!s->flags&SP_FLAG_VISIBLE)
invisible++;
}
if(invisible==c->max) {
for(i=0;i<c->max;i++) {
s=sprite_get_by_id(id_array[i]);
s->type=-1;
}
controller_remove(c);
return;
}
for(i=0;i<c->max;i++) {
s=sprite_get_by_id(id_array[i]);
if(s!=NULL) {
id_array[c->max]=s->x;
id_array[c->max+1]=s->y;
return;
}
}
bonus_add(id_array[c->max],id_array[c->max+1],bonus);
bonus++;
if(bonus==SP_BONUS_LAST)
bonus=SP_BONUS_FIREPOWER;
controller_remove(c);
}
void enemy_greeter_move(SPRITE *s)
{
GREETER_DATA *d=(GREETER_DATA *)s->data;
switch(d->state) {
case 0: /* nach unten */
if(s->y>=d->max_y) {
d->angle=atan2(0-s->y,WIDTH/2-s->x);
d->state=1;
d->speed=7;
}
if(d->level)
if(rand()%(100-d->level*10)==0)
enemy_bullet_create(s,3+d->level);
break;
case 1:
if(s->y<-s->h)
s->flags&=~SP_FLAG_VISIBLE;
break;
}
s->x+=cos(d->angle)*d->speed*fps_factor;
s->y+=sin(d->angle)*d->speed*fps_factor;
s->aktframe=radtodeg(d->angle)/10;
s->aktframe%=36;
}
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