#ifndef GAMEOBJECT_H
#define GAMEOBJECT_H

#include "renderer.h"
#include "vecmath.h"

typedef enum { PLAYER = 0, COIN, ALIEN, APPLE, HEART} object_type;
typedef enum { LIVE = 0, TERMINATING, DEAD}           status_type;
typedef enum { EXPLODES = 0, DISAPPEARS, }            coll_type;
typedef enum { 
    COLLIDES_ON_TERMINATING=1, 
    GIVES_PICK_POINTS=2, 
    GIVES_KILL_POINTS=4, 
    RECEIVES_SCORE=8, 
    LETHAL_ON_HIT=16, 
    COLLIDABLE = 32
} prop_type; // properties (characteristics)

typedef struct {
    float radius;
    vec2f center;
} Circle;

typedef struct tGameObject{
    object_type type;
    GfxObject   gfxObj;
    vec2f       pos;
    float       speed;
    double      angle, angleSpeed;
    float       scale, scaleSpeed;
    // new members for animated images:
    float       frame;
    float       frameSpeed;
    int         numFrames;
    // others
    status_type status; 
    prop_type   props; 
    coll_type   onCollision;
    // other type-specific members
    int         score;  // for objects who receives points
    int         points; // how many points the object is worth picking/shooting
    int         health;

    // methods:
    void        (*update) (struct tGameObject* gameobj);
    void        (*render) (struct tGameObject* gameobj);
} GameObject;

void render(GameObject* this); // metod

extern GameObject* gameObjects[];
extern int nGameObjects;

void renderAllGameObjects();
void updateAllGameObjects();
void collisionDetection();
void removeDeadObjects();

#endif // GAMEOBJECT_H