package net.minecraft.entity.ai;
import net.minecraft.entity.EntityCreature;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.util.Vec3;
public class EntityAIMoveTowardsTarget extends EntityAIBase
{
private EntityCreature theEntity;
private EntityLivingBase targetEntity;
private double movePosX;
private double movePosY;
private double movePosZ;
private double speed;
/**
* If the distance to the target entity is further than this, this AI task will not run.
*/
private float maxTargetDistance;
private static final String __OBFID = "CL_00001599";
public EntityAIMoveTowardsTarget(EntityCreature p_i1640_1_, double p_i1640_2_, float p_i1640_4_)
{
this.theEntity = p_i1640_1_;
this.speed = p_i1640_2_;
this.maxTargetDistance = p_i1640_4_;
this.setMutexBits(1);
}
/**
* Returns whether the EntityAIBase should begin execution.
*/
public boolean shouldExecute()
{
this.targetEntity = this.theEntity.getAttackTarget();
if (this.targetEntity == null)
{
return false;
}
else if (this.targetEntity.getDistanceSqToEntity(this.theEntity) > (double)(this.maxTargetDistance * this.maxTargetDistance))
{
return false;
}
else
{
Vec3 var1 = RandomPositionGenerator.findRandomTargetBlockTowards(this.theEntity, 16, 7, new Vec3(this.targetEntity.posX, this.targetEntity.posY, this.targetEntity.posZ));
if (var1 == null)
{
return false;
}
else
{
this.movePosX = var1.xCoord;
this.movePosY = var1.yCoord;
this.movePosZ = var1.zCoord;
return true;
}
}
}
/**
* Returns whether an in-progress EntityAIBase should continue executing
*/
public boolean continueExecuting()
{
return !this.theEntity.getNavigator().noPath() && this.targetEntity.isEntityAlive() && this.targetEntity.getDistanceSqToEntity(this.theEntity) < (double)(this.maxTargetDistance * this.maxTargetDistance);
}
/**
* Resets the task
*/
public void resetTask()
{
this.targetEntity = null;
}
/**
* Execute a one shot task or start executing a continuous task
*/
public void startExecuting()
{
this.theEntity.getNavigator().tryMoveToXYZ(this.movePosX, this.movePosY, this.movePosZ, this.speed);
}
}