package net.minecraft.enchantment;
import net.minecraft.entity.Entity;
import net.minecraft.util.DamageSource;
import net.minecraft.util.MathHelper;
public class EnchantmentProtection extends Enchantment
{
/** Holds the name to be translated of each protection type. */
private static final String[] protectionName = new String[] {"all", "fire", "fall", "explosion", "projectile"};
/**
* Holds the base factor of enchantability needed to be able to use the enchant.
*/
private static final int[] baseEnchantability = new int[] {1, 10, 5, 5, 3};
/**
* Holds how much each level increased the enchantability factor to be able to use this enchant.
*/
private static final int[] levelEnchantability = new int[] {11, 8, 6, 8, 6};
/**
* Used on the formula of base enchantability, this is the 'window' factor of values to be able to use thing
* enchant.
*/
private static final int[] thresholdEnchantability = new int[] {20, 12, 10, 12, 15};
/**
* Defines the type of protection of the enchantment, 0 = all, 1 = fire, 2 = fall (feather fall), 3 = explosion and
* 4 = projectile.
*/
public final int protectionType;
public EnchantmentProtection(int par1, int par2, int par3)
{
super(par1, par2, EnumEnchantmentType.armor);
this.protectionType = par3;
if (par3 == 2)
{
this.type = EnumEnchantmentType.armor_feet;
}
}
/**
* Returns the minimal value of enchantability needed on the enchantment level passed.
*/
public int getMinEnchantability(int par1)
{
return baseEnchantability[this.protectionType] + (par1 - 1) * levelEnchantability[this.protectionType];
}
/**
* Returns the maximum value of enchantability nedded on the enchantment level passed.
*/
public int getMaxEnchantability(int par1)
{
return this.getMinEnchantability(par1) + thresholdEnchantability[this.protectionType];
}
/**
* Returns the maximum level that the enchantment can have.
*/
public int getMaxLevel()
{
return 4;
}
/**
* Calculates de damage protection of the enchantment based on level and damage source passed.
*/
public int calcModifierDamage(int par1, DamageSource par2DamageSource)
{
if (par2DamageSource.canHarmInCreative())
{
return 0;
}
else
{
float f = (float)(6 + par1 * par1) / 3.0F;
return this.protectionType == 0 ? MathHelper.floor_float(f * 0.75F) : (this.protectionType == 1 && par2DamageSource.isFireDamage() ? MathHelper.floor_float(f * 1.25F) : (this.protectionType == 2 && par2DamageSource == DamageSource.fall ? MathHelper.floor_float(f * 2.5F) : (this.protectionType == 3 && par2DamageSource.isExplosion() ? MathHelper.floor_float(f * 1.5F) : (this.protectionType == 4 && par2DamageSource.isProjectile() ? MathHelper.floor_float(f * 1.5F) : 0))));
}
}
/**
* Return the name of key in translation table of this enchantment.
*/
public String getName()
{
return "enchantment.protect." + protectionName[this.protectionType];
}
/**
* Determines if the enchantment passed can be applyied together with this enchantment.
*/
public boolean canApplyTogether(Enchantment par1Enchantment)
{
if (par1Enchantment instanceof EnchantmentProtection)
{
EnchantmentProtection enchantmentprotection = (EnchantmentProtection)par1Enchantment;
return enchantmentprotection.protectionType == this.protectionType ? false : this.protectionType == 2 || enchantmentprotection.protectionType == 2;
}
else
{
return super.canApplyTogether(par1Enchantment);
}
}
public static int func_92093_a(Entity par0Entity, int par1)
{
int j = EnchantmentHelper.getMaxEnchantmentLevel(Enchantment.fireProtection.effectId, par0Entity.getLastActiveItems());
if (j > 0)
{
par1 -= MathHelper.floor_float((float)par1 * (float)j * 0.15F);
}
return par1;
}
public static double func_92092_a(Entity par0Entity, double par1)
{
int i = EnchantmentHelper.getMaxEnchantmentLevel(Enchantment.blastProtection.effectId, par0Entity.getLastActiveItems());
if (i > 0)
{
par1 -= (double)MathHelper.floor_double(par1 * (double)((float)i * 0.15F));
}
return par1;
}
}