#include "enemy.h"
#include "bullet.h"
#include <num/num.h>


extern bopti_image_t img_mainship2;
extern bopti_image_t img_Enemy_Blue_Lvl1;

Enemy::Enemy( int16_t _x, int16_t _y, uint8_t _id )
{
    x = libnum::num( _x );
    y = libnum::num( _y );

    dirx = 1;
    diry = -6;

    ID = _id;

    if (ID==0)
    {
        width = img_mainship2.width/2;
        height = img_mainship2.height/2;
        speed = 1;
    }
    else if (ID==1)
    {
        width = img_Enemy_Blue_Lvl1.width/2;
        height = img_Enemy_Blue_Lvl1.height/2;
        speed = 2;
    }

    xmin = (int) x - width;
    xmax = (int) x + width;
    ymin = (int) y - height;
    ymax = (int) y + height;

    toberemoved = false;

    if (ID==0) life = 400;
    else if (ID==1) life = 200;
}

Enemy::~Enemy()
{


}

void Enemy::Update( float dt )
{
    libnum::num a = libnum::num( dt / 60000.0f );
    x += a * libnum::num( dirx * speed );
    y += a * libnum::num( diry * speed );

    if (x<width || x>azrp_width-width) dirx=-1*dirx;
    if (y<height || y>azrp_height-height) diry=-1*diry;

    xmin = (int) x - width;
    xmax = (int) x + width;
    ymin = (int) y - height;
    ymax = (int) y + height;

    if (life<=0) toberemoved=true;
}

void Enemy::Render( void )
{
    if (ID==0) azrp_image_p8_effect(xmin, ymin, &img_mainship2, IMAGE_VFLIP);
    if (ID==1) azrp_image_p8_effect(xmin, ymin, &img_Enemy_Blue_Lvl1, DIMAGE_NONE);
}


bool Enemy::Test_Impact( Bullet *projectile )
{
    if (projectile->x >= xmin && projectile->x <= xmax && projectile->y >= ymin && projectile->y <= ymax )
    {
        life -= projectile->strength;
        projectile->toberemoved = true;
        return true;
    }
    else return false;
}

void Enemy::Set_Speed_Vector( uint8_t _sp, uint8_t _xd, uint8_t _yd)
{
    speed = _sp;
    dirx = _xd;
    diry = _yd;
}