package net.minecraft.src;

import java.util.List;
import java.util.Random;

public class EntityTPHFlamethrower extends EntityFireball
{
    private int xTile;
    private int yTile;
    private int zTile;
    private int inTile;
    private boolean inGround;
    private int ticksAlive;
    private int ticksInAir;
    public float moveSpeed;
    public double destX;
    public double destZ;

    public EntityTPHFlamethrower(World par1World, EntityLiving shooter, EntityLiving target)
    {
        super(par1World);
        xTile = -1;
        yTile = -1;
        zTile = -1;
        inTile = 0;
        inGround = false;
        ticksInAir = 0;
        destX = target.posX;
        destZ = target.posZ;
        moveSpeed = 1.0F;
        shootingEntity = shooter;
        setSize(1.0F, 1.0F);
    }

    protected void entityInit()
    {
    }

    /**
     * Checks if the entity is in range to render by using the past in distance and comparing it to its average edge
     * length * 64 * renderDistanceWeight Args: distance
     */
    public boolean isInRangeToRenderDist(double par1)
    {
        double d = boundingBox.getAverageEdgeLength() * 4D;
        d *= 64D;
        return par1 < d * d;
    }

    /**
     * Called to update the entity's position/logic.
     */
    public void onUpdate()
    {
        if (something((int)posX, (int)posY, (int)posZ))
        {
            if (something((int)posX, (int)posY + 1, (int)posZ))
            {
                setDead();
                return;
            } else posY += 1;
        } else if (!something((int)posX, (int)posY - 1, (int)posZ)) {
            if (!something((int)posX, (int)posY - 2, (int)posZ)){
                setDead();
                return;
            } else posY -= 1;
        }

        worldObj.setBlockWithNotify((int) posX, (int) posY, (int) posZ, Block.fire.blockID);
        super.onUpdate();
        setFire(1);

        //if (inGround)
        //{
            //int i = worldObj.getBlockId(xTile, yTile, zTile);

            //if (i != inTile)
            //{
            //    inGround = false;
            //    motionX *= rand.nextFloat() * 0.2F;
            //    motionY *= rand.nextFloat() * 0.2F;
            //    motionZ *= rand.nextFloat() * 0.2F;
            //    ticksAlive = 0;
            //    ticksInAir = 0;
            //}
            //else
            //{
                ticksAlive++;

                if (ticksAlive >= 100)
                {
                    setDead();
                    worldObj.newExplosion(null, posX, posY, posZ, 1.0F, true);
                }

                //return;
            //}
        //}
        //else
        //{
            ticksInAir++;
        //}

        Vec3D vec3d = Vec3D.createVector(posX, posY, posZ);
        Vec3D vec3d1 = Vec3D.createVector(posX + motionX, posY + motionY, posZ + motionZ);
        MovingObjectPosition movingobjectposition = worldObj.rayTraceBlocks(vec3d, vec3d1);
        vec3d = Vec3D.createVector(posX, posY, posZ);
        vec3d1 = Vec3D.createVector(posX + motionX, posY + motionY, posZ + motionZ);

        if (movingobjectposition != null)
        {
            vec3d1 = Vec3D.createVector(movingobjectposition.hitVec.xCoord, movingobjectposition.hitVec.yCoord, movingobjectposition.hitVec.zCoord);
        }

        Entity entity = null;
        List list = worldObj.getEntitiesWithinAABBExcludingEntity(this, boundingBox.addCoord(motionX, motionY, motionZ).expand(1.0D, 1.0D, 1.0D));
        double d = 0.0D;

        for (int j = 0; j < list.size(); j++)
        {
            Entity entity1 = (Entity)list.get(j);

            if (!entity1.canBeCollidedWith() || entity1.isEntityEqual(shootingEntity) && ticksInAir < 25)
            {
                continue;
            }

            float f2 = 0.3F;
            AxisAlignedBB axisalignedbb = entity1.boundingBox.expand(f2, f2, f2);
            MovingObjectPosition movingobjectposition1 = axisalignedbb.calculateIntercept(vec3d, vec3d1);

            if (movingobjectposition1 == null)
            {
                continue;
            }

            double d1 = vec3d.distanceTo(movingobjectposition1.hitVec);

            if (d1 < d || d == 0.0D)
            {
                entity = entity1;
                d = d1;
            }
        }

        if (entity != null)
        {
            movingobjectposition = new MovingObjectPosition(entity);
        }

        if (movingobjectposition != null)
        {
            func_40071_a(movingobjectposition);
        }

        posX += motionX;
        posY += motionY;
        posZ += motionZ;
        float f = MathHelper.sqrt_double(motionX * motionX + motionZ * motionZ);
        //rotationYaw = (float)((Math.atan2(motionX, motionZ) * 180D) / Math.PI);

        //for (rotationPitch = (float)((Math.atan2(motionY, f) * 180D) / Math.PI); rotationPitch - prevRotationPitch < -180F; prevRotationPitch -= 360F) { }

        //for (; rotationPitch - prevRotationPitch >= 180F; prevRotationPitch += 360F) { }

        //for (; rotationYaw - prevRotationYaw < -180F; prevRotationYaw -= 360F) { }

        //for (; rotationYaw - prevRotationYaw >= 180F; prevRotationYaw += 360F) { }

        //rotationPitch = prevRotationPitch + (rotationPitch - prevRotationPitch) * 0.2F;
        //rotationYaw = prevRotationYaw + (rotationYaw - prevRotationYaw) * 0.2F;
        float f1 = 0.95F;

        if (isInWater())
        {
            for (int k = 0; k < 4; k++)
            {
                float f3 = 0.25F;
                worldObj.spawnParticle("bubble", posX - motionX * (double)f3, posY - motionY * (double)f3, posZ - motionZ * (double)f3, motionX, motionY, motionZ);
            }

            f1 = 0.8F;
        }

        //motionX += accelerationX;
        //motionY += accelerationY;
        //motionZ += accelerationZ;
        //motionX *= f1;
        //motionY *= f1;
        //motionZ *= f1;

        motionX = Math.cos(Math.toRadians(rotationYaw)) * moveSpeed;
        motionY = 0;
        motionZ = Math.sin(Math.toRadians(rotationYaw)) * moveSpeed;
        float n = (float) Math.atan2(destZ - 100, destX - 100) - rotationYaw;
        rotationYaw += (n > ticksAlive) ? (float) ticksAlive : n;
        //worldObj.spawnParticle("smoke", posX, posY + 0.5D, posZ, 0.0D, 0.0D, 0.0D);
        setPosition(posX, posY, posZ);
    }

    protected void func_40071_a(MovingObjectPosition par1MovingObjectPosition)
    {
        if (!worldObj.isRemote)
        {
            if (par1MovingObjectPosition.entityHit != null)
            {
                if (!par1MovingObjectPosition.entityHit.attackEntityFrom(DamageSource.causeFireballDamage((EntityFireball) this, shootingEntity), 4));
            }

            worldObj.newExplosion(null, posX, posY, posZ, 1.0F, true);
            setDead();
        }
    }

    /**
     * (abstract) Protected helper method to write subclass entity data to NBT.
     */
    public void writeEntityToNBT(NBTTagCompound par1NBTTagCompound)
    {
        par1NBTTagCompound.setShort("xTile", (short)xTile);
        par1NBTTagCompound.setShort("yTile", (short)yTile);
        par1NBTTagCompound.setShort("zTile", (short)zTile);
        par1NBTTagCompound.setByte("inTile", (byte)inTile);
        par1NBTTagCompound.setByte("inGround", (byte)(inGround ? 1 : 0));
    }

    /**
     * (abstract) Protected helper method to read subclass entity data from NBT.
     */
    public void readEntityFromNBT(NBTTagCompound par1NBTTagCompound)
    {
        xTile = par1NBTTagCompound.getShort("xTile");
        yTile = par1NBTTagCompound.getShort("yTile");
        zTile = par1NBTTagCompound.getShort("zTile");
        inTile = par1NBTTagCompound.getByte("inTile") & 0xff;
        inGround = par1NBTTagCompound.getByte("inGround") == 1;
    }

    /**
     * Returns true if other Entities should be prevented from moving through this Entity.
     */
    public boolean canBeCollidedWith()
    {
        return true;
    }

    public float getCollisionBorderSize()
    {
        return 1.0F;
    }

    public boolean attackEntityFrom(DamageSource par1DamageSource, int par2)
    {
        setBeenAttacked();
        if (par1DamageSource.getEntity() != null)
            return true;
        else
            return false;
    }

    public float getShadowSize()
    {
        return 0.0F;
    }

    /**
     * Gets how bright this entity is.
     */
    public float getBrightness(float par1)
    {
        return 1.0F;
    }

    public int getBrightnessForRender(float par1)
    {
        return 0xf000f0;
    }

    /**
     * @param Radius
     * @param OriginX
     * @param OriginY
     * @param Angle
     * @return Point on circumference of circle at that angle
     */
    public double[] GetCircumferencePoints(double Radius, double OriginX, double OriginY, double Angle)
    {
        double X = OriginX+Radius*Math.sin(Angle*Math.PI/180);
        double Y = OriginY+Radius*-Math.cos(Angle*Math.PI/180);
        return new double[] {X, Y};
    }

    public boolean something(int x, int y, int z)
    {
        return (worldObj.blockExists(x, y, z) && worldObj.getBlockId(x, y, z) != Block.fire.blockID);
    }
}