Attack.java

package org.alureon.overdrive.aura;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

import org.alureon.overdrive.Overdrive;

import net.minecraft.src.Entity;
import net.minecraft.src.EntityLiving;
import net.minecraft.src.MathHelper;
import net.minecraft.src.Packet12PlayerLook;

/**
 * Allows us to attack an entity.
 * @author Alureon
 */
public class Attack implements Runnable {

    private boolean look;
    private boolean silent;
    private Entity entity;

    /**
     * @param e
     *    The entity to attack.
     * @param look
     *    Shall we look at the entity?
     * @param silent
     *    Shall we face the entity server-sided?
     */
    public Attack(Entity e, boolean look, boolean silent) {
        this.entity = e;
        this.look = look;
        this.silent = silent;
        ExecutorService es1 = Executors.newSingleThreadExecutor();
        es1.submit(this);
    }

    /**
     * Changes pitch and yaw so that the entity calling the function is facing the entity provided as an argument. Taken from EntityLiving.java.
     * @param par1Entity
     *    The entity to face
     */
    public void faceEntity(Entity par1Entity, float par2, float par3)
    {
        double var4 = par1Entity.posX - Overdrive.getWrapper().getPlayer().posX;
        double var6 = par1Entity.posZ - Overdrive.getWrapper().getPlayer().posZ;
        double var8;

        if (par1Entity instanceof EntityLiving)
        {
            EntityLiving var10 = (EntityLiving)par1Entity;
            var8 = var10.posY + (double)var10.getEyeHeight() - (Overdrive.getWrapper().getPlayer().posY + (double)Overdrive.getWrapper().getPlayer().getEyeHeight());
        }
        else
        {
            var8 = (par1Entity.boundingBox.minY + par1Entity.boundingBox.maxY) / 2.0D - (Overdrive.getWrapper().getPlayer().posY + (double)Overdrive.getWrapper().getPlayer().getEyeHeight());
        }

        double var14 = (double)MathHelper.sqrt_double(var4 * var4 + var6 * var6);
        float var12 = (float)(Math.atan2(var6, var4) * 180.0D / Math.PI) - 90.0F;
        float var13 = (float)(-(Math.atan2(var8, var14) * 180.0D / Math.PI));
        if(!silent) {
            Overdrive.getWrapper().getPlayer().rotationPitch = Overdrive.getWrapper().getPlayer().updateRotation(Overdrive.getWrapper().getPlayer().rotationPitch, var13, par3);
            Overdrive.getWrapper().getPlayer().rotationYaw = Overdrive.getWrapper().getPlayer().updateRotation(Overdrive.getWrapper().getPlayer().rotationYaw, var12, par2);
        } else {
            Overdrive.getWrapper().getSendQueue().addToSendQueue(new Packet12PlayerLook(var12, var13, Overdrive.getWrapper().getPlayer().onGround));
        }
    }


    @Override
    public void run() {
        if(look) {
            faceEntity(entity, 100F, 100F);
        }
        Overdrive.getWrapper().getPlayer().swingItem();
        Overdrive.getWrapper().getPlayerController().attackEntity(Overdrive.getWrapper().getPlayer(), entity);
    }



}