package mindustry.entities;

import arc.*;
import arc.graphics.*;
import arc.math.*;
import arc.math.geom.*;
import arc.util.*;
import mindustry.content.*;

import static mindustry.Vars.*;

public class Effects{
    private static final float shakeFalloff = 10000f;

    private static void shake(float intensity, float duration){
        if(!headless){
            renderer.shake(intensity, duration);
        }
    }

    public static void shake(float intensity, float duration, float x, float y){
        if(Core.camera == null) return;

        float distance = Core.camera.position.dst(x, y);
        if(distance < 1) distance = 1;

        shake(Mathf.clamp(1f / (distance * distance / shakeFalloff)) * intensity, duration);
    }

    public static void shake(float intensity, float duration, Position loc){
        shake(intensity, duration, loc.getX(), loc.getY());
    }

    public static void createEffect(Effect effect, float x, float y, float rotation, Color color, Object data){
        if(headless || effect == Fx.none) return;
        if(Core.settings.getBool("effects")){
            Rect view = Core.camera.bounds(Tmp.r1);
            Rect pos = Tmp.r2.setSize(effect.size).setCenter(x, y);

            if(view.overlaps(pos)){
                //TODO implement create() method here.
                //EffectEntity entity = Pools.obtain(EffectEntity.class, EffectEntity::new);
                //entity.effect = effect;
                //entity.color.set(color);
                //entity.rotation = rotation;
                //entity.data = data;
                //entity.id++;
                //entity.set(x, y);
                //if(data instanceof Entity){
                //    entity.setParent((Entity)data);
                //}
                //TODO ground effect
                //effectGroup.add(entity);
            }
        }
    }
}