#include "MetaBit.h"
#include <math.h>
#include <stdlib.h>

struct MetaBit *newMetaBit(int type, int owner, struct Vector *home, struct Phys phys) {
  struct MetaBit *metabit = malloc(sizeof(struct MetaBit));
  metabit->type = type;
  metabit->home = home;

  metabit->phys = phys;
  metabit->l_phys = phys;

  metabit->speed = 2.0f;
  metabit->turn_rate = 0.1f;

  metabit->owner = owner;
  cleanVector(&metabit->home_offset);
  metabit->target = NULL;
  cleanVector(&metabit->target_offset);

  cleanAnim(&metabit->animation);
  metabit->attack_id = 0;
  metabit->move_id = 0;
  metabit->cmd = CMD_HOME;

  metabit->r = 1.0f;
  metabit->g = 1.0f;
  metabit->b = 1.0f;
  metabit->a = 1.0f;

  return metabit;
}
struct MetaBit *freeMetaBit(struct MetaBit *metabit) {
  free(metabit);
  return NULL;
}
int setMetaBitAnim(struct MetaBit *metabit, struct AnimData* data) {
  metabit->animation.anim = data;
  setAnimSet(&metabit->animation, "spin");
  setAnimFace(&metabit->animation, "s");
  setAnimFrame(&metabit->animation, 0);
  return 0;
}

// runs logic and influences velocity towards target
int handleMetaBit(struct MetaBit *metabit) {
  Vector target;
  if (metabit->target != NULL) {
    target = addVector(*metabit->target, metabit->target_offset);
  } else if (metabit->home != NULL) {
    target = addVector(*metabit->home, metabit->home_offset);
  } else {
    target = metabit->phys.position;
  }
  // randomize movement
  target.x += (-60 + (rand()%120));
  target.y += (-60 + (rand()%120));
  turnToVector(&metabit->phys, target, metabit->turn_rate);
  addForce(&metabit->phys, metabit->speed + (rand()%(int)metabit->speed));
  return 0;
}