BloodMagic/src/main/java/WayofTime/bloodmagic/api/util/helper/PlayerSacrificeHelper.java

package WayofTime.bloodmagic.api.util.helper;

import WayofTime.bloodmagic.api.altar.IBloodAltar;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.potion.Potion;
import net.minecraft.potion.PotionEffect;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.BlockPos;
import net.minecraft.world.World;

public class PlayerSacrificeHelper
{
    public static float scalingOfSacrifice = 0.001f;
    public static int soulFrayDuration = 400;
    public static Potion soulFrayId;

    public static float getPlayerIncense(EntityPlayer player)
    {
        return IncenseHelper.getCurrentIncense(player);
    }

    public static void setPlayerIncense(EntityPlayer player, float amount)
    {
        IncenseHelper.setCurrentIncense(player, amount);
    }

    public static boolean incrementIncense(EntityPlayer player, float min, float max, float increment)
    {
        float amount = getPlayerIncense(player);
        if (amount < min || amount >= max)
        {
            return false;
        }

        amount = amount + Math.min(increment, max - amount);
        setPlayerIncense(player, amount);

        // System.out.println("Amount of incense: " + amount + ", Increment: " +
        // increment);

        return true;
    }

    public static boolean sacrificePlayerHealth(EntityPlayer player)
    {
        if (player.isPotionActive(soulFrayId))
        {
            return false;
        }

        float amount = getPlayerIncense(player);

        if (amount >= 0)
        {
            float health = player.getHealth();
            float maxHealth = player.getMaxHealth();

            if (health > maxHealth / 10.0)
            {
                float sacrificedHealth = health - maxHealth / 10.0f;

                if (findAndFillAltar(player.getEntityWorld(), player, (int) (sacrificedHealth * 100f * getModifier(amount))))
                {
                    player.setHealth(maxHealth / 10.0f);
                    setPlayerIncense(player, 0);
                    player.addPotionEffect(new PotionEffect(soulFrayId.id, soulFrayDuration));

                    return true;
                }
            }
        }

        return false;
    }

    public static float getModifier(float amount)
    {
        return 1 + amount * scalingOfSacrifice;
    }

    public static boolean findAndFillAltar(World world, EntityPlayer player, int amount)
    {
        int posX = (int) Math.round(player.posX - 0.5f);
        int posY = (int) player.posY;
        int posZ = (int) Math.round(player.posZ - 0.5f);
        IBloodAltar altarEntity = getAltar(world, new BlockPos(posX, posY, posZ));

        if (altarEntity == null)
        {
            return false;
        }

        altarEntity.sacrificialDaggerCall(amount, false);
        altarEntity.startCycle();

        return true;
    }

    public static IBloodAltar getAltar(World world, BlockPos blockPos)
    {
        TileEntity tileEntity;

        for (int i = -2; i <= 2; i++)
        {
            for (int j = -2; j <= 2; j++)
            {
                for (int k = -2; k <= 1; k++)
                {
                    tileEntity = world.getTileEntity(new BlockPos(i + blockPos.getX(), k + blockPos.getY(), j + blockPos.getZ()));

                    if (tileEntity instanceof IBloodAltar)
                    {
                        return (IBloodAltar) tileEntity;
                    }
                }
            }
        }

        return null;
    }
}