EntityAIMoveToBlock.java

package uk.co.ijay.earlyfuture.entity.ai;

import uk.co.ijay.earlyfuture.EarlyFuture;
import net.minecraft.entity.EntityCreature;
import net.minecraft.entity.ai.EntityAIBase;
import net.minecraft.world.World;

public abstract class EntityAIMoveToBlock extends EntityAIBase
{
    private final EntityCreature    entityCreature;
    private final double            field_179492_d;
    protected int                   field_179496_a;
    private int                     field_179493_e;
    private int                     field_179490_f;
    protected int                   destinationBlockX;
    protected int                   destinationBlockY;
    protected int                   destinationBlockZ;
    private boolean                 field_179491_g;
    private int                     field_179497_h;
    private static final String     __OBFID = "CL_00002252";

    public EntityAIMoveToBlock(EntityCreature p_i45888_1_, double p_i45888_2_, int p_i45888_4_)
    {
        this.destinationBlockX = 0;
        this.destinationBlockY = 0;
        this.destinationBlockZ = 0;
        this.entityCreature = p_i45888_1_;
        this.field_179492_d = p_i45888_2_;
        this.field_179497_h = p_i45888_4_;
        this.setMutexBits(5);
    }

    @Override
    public boolean shouldExecute()
    {
        EarlyFuture.LOG.info("Called shouldExecute()");
        if(this.field_179496_a > 0)
        {
            --this.field_179496_a;
            return false;
        }
        else
        {
            EarlyFuture.LOG.info("Got past the first hurdle");
            this.field_179496_a = 200 + this.entityCreature.getRNG().nextInt(200);
            return this.func_179489_g();
        }
    }

    @Override
    public boolean continueExecuting()
    {
        return this.field_179493_e >= -this.field_179490_f
            && this.field_179493_e <= 1200
            && this.isTargetBlock(this.entityCreature.worldObj, this.destinationBlockX, this.destinationBlockY,
                this.destinationBlockZ);
    }

    @Override
    public void startExecuting()
    {
        this.entityCreature.getNavigator().tryMoveToXYZ((double) ((float) this.destinationBlockX) + 0.5D,
            (double) (this.destinationBlockY + 1), (double) ((float) this.destinationBlockZ) + 0.5D,
            this.field_179492_d);
        this.field_179493_e = 0;
        this.field_179490_f = this.entityCreature.getRNG().nextInt(this.entityCreature.getRNG().nextInt(1200) + 1200) + 1200;
    }

    @Override
    public void resetTask()
    {
    }

    @Override
    public void updateTask()
    {
        if(this.entityCreature.getDistanceSq(this.destinationBlockX + 0.5D, this.destinationBlockY + 1.5D,
            this.destinationBlockZ + 0.5D) > 1.0D)
        {
            this.field_179491_g = false;
            ++this.field_179493_e;

            if(this.field_179493_e % 40 == 0)
            {
                this.entityCreature.getNavigator().tryMoveToXYZ((double) ((float) this.destinationBlockX) + 0.5D,
                    (double) (this.destinationBlockY + 1), (double) ((float) this.destinationBlockZ) + 0.5D,
                    this.field_179492_d);
            }
        }
        else
        {
            this.field_179491_g = true;
            --this.field_179493_e;
        }
    }

    protected boolean func_179487_f()
    {
        return this.field_179491_g;
    }

    private boolean func_179489_g()
    {
        int i = this.field_179497_h;
        boolean flag = true;
        double posX = this.entityCreature.posX;
        double posY = this.entityCreature.posY;
        double posZ = this.entityCreature.posZ;

        for(int j = 0; j <= 1; j = j > 0 ? -j : 1 - j)
        {
            for(int k = 0; k < i; ++k)
            {
                for(int l = 0; l <= k; l = l > 0 ? -l : 1 - l)
                {
                    for(int i1 = l < k && l > -k ? k : 0; i1 <= k; i1 = i1 > 0 ? -i1 : 1 - i1)
                    {
                        double posX1 = posX + l;
                        double posY1 = posY + j - 1;
                        double posZ1 = posZ + i1;

                        if(this.entityCreature.isWithinHomeDistance((int) posX1, (int) posY1, (int) posZ1)
                            && this.isTargetBlock(this.entityCreature.worldObj, posX1, posY1, posZ1))
                        {
                            this.destinationBlockX = (int) posX1;
                            this.destinationBlockY = (int) posY1;
                            this.destinationBlockZ = (int) posZ1;
                            return true;
                        }
                    }
                }
            }
        }

        return false;
    }

    protected abstract boolean isTargetBlock(World worldIn, double targetX, double targetY, double targetZ);
}