Зельеварение

    @Override
    public boolean isInstant() {
     
        return true;
    }
 
    @Override
    public void affectEntity(@Nullable Entity source, @Nullable Entity indirectSource, EntityLivingBase entityLivingBase, int amplifier, double health) {

        //Применение
    }

    @Override
    public void performEffect(EntityLivingBase entityLivingBase, int amplifier) {
     
        //Применение
    }
 
    @Override
    public boolean isReady(int duration, int amplifier) {
     
        return duration % 20 == 0;//true каждую секунду.
    }

    @Override
    public void applyAttributesModifiersToEntity(EntityLivingBase entityLivingBase, AbstractAttributeMap attributeMap, int amplifier) {
        //Добавление
    }
 
    @Override
    public void removeAttributesModifiersFromEntity(EntityLivingBase entityLivingBase, AbstractAttributeMap attributeMap, int amplifier) {
        //Удаление
    }

public class PotionEquilibrium extends Potion {
 
    public PotionEquilibrium(String potionName, boolean isBadEffect, int liquidColor) {
     
        super(isBadEffect, liquidColor);
     
        this.setName(potionName);
    }
 
    public void setName(String potionName) {
     
        this.setRegistryName(PotionsMain.MODID, potionName);//Ваш modid первым параметром.
        this.setPotionName("effect." + this.getRegistryName().toString());
    }
}

    @Override
    public void performEffect(EntityLivingBase entityLivingBase, int amplifier) {
     
        if (entityLivingBase instanceof EntityPlayer) {
         
            EntityPlayer player = (EntityPlayer) entityLivingBase;
         
            if (player.getHealth() < player.getMaxHealth()) {
             
                if (player.experienceLevel >= 1) {
                 
                    player.heal(2.0F);//Хил 2 пункта (1 сердце).
                 
                    player.experienceLevel -= 1;//За один уровень опыта.
                }
            }
        }
    }
 
    @Override
    public boolean isReady(int duration, int amplifier) {
     
        return duration % (amplifier == 0 ? 20 : 10) == 0;
    }

public class PotionEquilibrium extends Potion {
 
    private final ResourceLocation icon;

    public PotionEquilibrium(String potionName, boolean isBadEffect, int liquidColor) {
     
        super(isBadEffect, liquidColor);
             
        this.icon = new ResourceLocation(PotionsMain.MODID, "textures/potions/" + potionName + ".png");
    }
 
    @Override
    public boolean hasStatusIcon() {
     
        return false;
    }

    @SideOnly(Side.CLIENT)
    @Override
    public void renderInventoryEffect(int x, int y, PotionEffect potionEffect, Minecraft mc) {
     
        if (mc.currentScreen != null) {
         
            mc.getTextureManager().bindTexture(this.icon);
         
            Gui.drawModalRectWithCustomSizedTexture(x + 6, y + 7, 0, 0, 18, 18, 18, 18);
        }
    }

    @SideOnly(Side.CLIENT)
    @Override
    public void renderHUDEffect(int x, int y, PotionEffect potionEffect, Minecraft mc, float alpha) {
     
        mc.getTextureManager().bindTexture(this.icon);
     
        Gui.drawModalRectWithCustomSizedTexture(x + 3, y + 3, 0, 0, 18, 18, 18, 18);
    }
}

@Mod.EventBusSubscriber(modid = PotionsMain.MODID)
public class PotionsRegistry {

    /** Эффекты */
    public static final Potion  
    EQUILIBRIUM = new PotionEquilibrium("equilibrium", false, 0x77FFA9);//Периодический эффект (обмен опыта на здоровье).
 
    @SubscribeEvent
    public static void registerPotions(RegistryEvent.Register<Potion> event) {
             
        event.getRegistry().registerAll(
             
                EQUILIBRIUM        
        );
    }
}

@Mod.EventBusSubscriber(modid = PotionsMain.MODID)
public class PotionsRegistry {

    /** Эффекты */
    public static final Potion
    EQUILIBRIUM = new PotionEquilibrium("equilibrium", false, 0x77FFA9);//Периодический эффект (обмен опыта на здоровье).
     
    /** "Типы", представляющие зелья как предметы */
    public static final PotionType
    EQUILIBRIUM_TYPE_STANDARD = createPotionType(null, new PotionEffect(EQUILIBRIUM, 600)),
    EQUILIBRIUM_TYPE_LONG = createPotionType("long", new PotionEffect(EQUILIBRIUM, 900)),
    EQUILIBRIUM_TYPE_STRONG = createPotionType("strong", new PotionEffect(EQUILIBRIUM, 600, 1));

    /**
     * Возвращает новый экземпляр PotionType с именем эффекта.
     *
     * @param namePrefix
     * @param potionEffect
     *
     * @return PotionType
     */
    private static PotionType createPotionType(String namePrefix, PotionEffect potionEffect) {    
         
        ResourceLocation potionName = potionEffect.getPotion().getRegistryName();

        ResourceLocation potionTypeName;
     
        if (namePrefix != null)    
            potionTypeName = new ResourceLocation(potionName.getResourceDomain(), namePrefix + "_" + potionName.getResourcePath());                
        else    
            potionTypeName = potionName;

        return new PotionType(potionName.toString(), potionEffect).setRegistryName(potionTypeName);
    }
 
    /**
     * Возвращает новый экземпляр PotionType с указанным именем. Используется для зелий с несколькими эффектами.
     *
     * @param typeName
     * @param namePrefix
     * @param potionEffects
     *
     * @return PotionType
     */
    private static PotionType createCompositePotionType(String typeName, String namePrefix, PotionEffect... potionEffects) {    
     
        ResourceLocation potionTypeName;
     
        if (namePrefix != null)
            potionTypeName = new ResourceLocation(PotionsMain.MODID, namePrefix + "_" + typeName);                
        else    
            potionTypeName = new ResourceLocation(PotionsMain.MODID, typeName);

        return new PotionType(typeName, potionEffects).setRegistryName(potionTypeName);
    }
 
    @SubscribeEvent
    public static void registerPotions(RegistryEvent.Register<Potion> event) {
             
        event.getRegistry().registerAll(
         
                EQUILIBRIUM
        );
    }
 
    @SubscribeEvent
    public static void registerPotionTypes(RegistryEvent.Register<PotionType> event) {
     
        event.getRegistry().registerAll(
                         
                EQUILIBRIUM_TYPE_STANDARD,
                EQUILIBRIUM_TYPE_LONG,
                EQUILIBRIUM_TYPE_STRONG
        );
    }
}

    public static void registerSimpleRecipes() {
             
        addStandardRecipes(EQUILIBRIUM_TYPE_STANDARD, EQUILIBRIUM_TYPE_LONG, EQUILIBRIUM_TYPE_STRONG, Items.EXPERIENCE_BOTTLE);
    }
 
    /**
     * Создание стандартных рецептов для зелий.
     *
     * @param standardPotionType
     * @param longPotionType
     * @param strongPotionType
     * @param ingredient
     */
    private static void addStandardRecipes(PotionType standardPotionType, PotionType longPotionType, PotionType strongPotionType, Item ingredient) {
     
        PotionHelper.addMix(PotionTypes.AWKWARD, ingredient, standardPotionType);//Аргументы: основа, ингредиент, результат.
        if (longPotionType != null)
        PotionHelper.addMix(standardPotionType, Items.REDSTONE, longPotionType);    
        if (strongPotionType != null)
        PotionHelper.addMix(standardPotionType, Items.GLOWSTONE_DUST, strongPotionType);
    }
 
    /**
     * Добавление своего рецепта.
     *
     * @param basePotionType
     * @param ingredient
     * @param outputPotiontype
     */
    private static void addRecipe(PotionType inputPotionType, Item ingredient, PotionType outputPotiontype) {
     
        PotionHelper.addMix(inputPotionType, ingredient, outputPotiontype);
    }

        //Продвинутый рецепт, определённый в собственном классе RecipeRetreatPotion. Используется для создания сложных рецептов, требующих проверки NBT.
        BrewingRecipeRegistry.addRecipe(new RecipeRetreatPotion(PotionUtils.addPotionToItemStack(new ItemStack(Items.POTIONITEM, 1), VANISH_TYPE_STANDARD), PotionUtils.addPotionToItemStack(new ItemStack(Items.POTIONITEM, 1), IRON_SKIN_TYPE), PotionUtils.addPotionToItemStack(new ItemStack(Items.POTIONITEM, 1), RETREAT_TYPE)));

        GameRegistry.addShapedRecipe(new ResourceLocation("Utils"), new ResourceLocation("Recipes"), new ItemStack(Items.EXPERIENCE_BOTTLE), new Object[] {"   ", " S ", "   ", 'S', PotionUtils.addPotionToItemStack(new ItemStack(Items.POTIONITEM, 1), PotionsRegistry.EQUILIBRIUM_TYPE_STANDARD)});