ItemTeleporter.java

package oortcloud.basictutorial.item;

import net.minecraft.creativetab.CreativeTabs;

import net.minecraft.item.Item;

import net.minecraftforge.fml.common.registry.GameRegistry;

public class ItemTeleporter extends Item {

    public ItemTeleporter() {

     this.setMaxStackSize(1);

this.setCreativeTab(CreativeTabs.tabTools);

this.setUnlocalizedName("teleporter");

GameRegistry.registerItem(this,"teleporter");

    }    

}

public ItemStack onItemRightClick(ItemStack itemStackIn, World worldIn, EntityPlayer playerIn)

ItemStack itemStack

사용된 아이템 스택(Item Stack)입니다.

World worldIn

아이템 스택(Item Stack)이 사용된 세계(World) 객체입니다.

EntityPlayer playerIn

아이템 스택(Item Stack)을 사용한 플레이어(Player)입니다.

반환 값

아이템 스택(Item Stack)이 사용되고 난 후의 아이템 스택(Item Stack)이 반환됩니다.

ItemTeleporter.java

    @Override

    public ItemStack onItemRightClick(ItemStack itemStackIn, World worldIn, EntityPlayer playerIn) {

        if (worldIn.isRemote)

            return itemStackIn;

        if (playerIn.isSneaking()) {

            // Shift + RC

        } else {

            // RC

        }

        return itemStackIn;

    }

ItemTeleporter.java

    // Shift + RC

    NBTTagCompound tag = new NBTTagCompound();

    BlockPos pos = playerIn.getPosition();

    tag.setInteger("xpos", pos.getX());

    tag.setInteger("ypos", pos.getY());

    tag.setInteger("zpos", pos.getZ());

    itemStackIn.setTagCompound(tag);

ItemTeleporter.java

    // RC

    NBTTagCompound tag = itemStackIn.getTagCompound();

    if (tag != null && tag.hasKey("xpos") && tag.hasKey("ypos") && tag.hasKey("zpos")) {

        playerIn.setPositionAndUpdate(tag.getInteger("xpos"), tag.getInteger("ypos"), tag.getInteger("zpos"));

    }

ItemTweezer.java

package oortcloud.basictutorial.item;

import cpw.mods.fml.common.registry.GameRegistry;

import net.minecraft.creativetab.CreativeTabs;

import net.minecraft.item.Item;

public class ItemTweezers extends Item {

    public ItemTweezers() {

this.setMaxStackSize(1);

this.setMaxDamage(238);

this.setCreativeTab(CreativeTabs.tabTools);

this.setUnlocalizedName("tweezers");

this.setTextureName("basictutorial:tweezers");

GameRegistry.registerItem(this,"tweezers");

    }

}

en_US.lang

item.tweezers.name=Tweezers

ModItems.java

public final class ModItems {

    public static Item itemNumber;

    public static Item itemFortuneCookie;

    public static Item itemTweezers;

    public static final void init() {

        itemFortuneCookie = new ItemFortuneCookie().setUnlocalizedName("fortuneCookie").setCreativeTab(CreativeTabs.tabMisc).setTextureName("basictutorial:fortuneCookie");

        GameRegistry.registerItem(itemFortuneCookie, "fortuneCookie");

        itemNumber = new ItemMetadata().setUnlocalizedName("itemNumber").setCreativeTab(CreativeTabs.tabMisc);

        GameRegistry.registerItem(itemNumber, "itemNumber");

        itemTweezers = new ItemTweezers();

    }

}

public boolean itemInteractionForEntity(ItemStack itemStack, EntityPlayer entityPlayer, EntityLivingBase entityLivingBase)

ItemStack itemStack

사용된 아이템 스택입니다.

EntityPlayer entityPlayer

아이템을 사용한 플레이어의 엔티티(Entity) 객체입니다.

EntityLivingBase entityLivingBase

플레이어가 우 클릭을 한 대상 엔티티(Entity)입니다.

반환 값

상호작용이 일어나면 true, 그렇지 않으면 false를 반환해야 합니다.

ItemTweezer.java

    @Override

    public boolean itemInteractionForEntity(ItemStack itemStack, EntityPlayer entityPlayer, EntityLivingBase entityLivingBase) {

        return false;

    }

ItemTweezer.java

    @Override

    public boolean itemInteractionForEntity(ItemStack itemStack, EntityPlayer entityPlayer, EntityLivingBase entityLivingBase) {

        if (entityPlayer.worldObj.isRemote) {

            return false;

        }

        // IMPLEMENT HERE, 구현은 이곳에 하세요

        return false;

    }

ItemTweezer.java

    @Override

    public boolean itemInteractionForEntity(ItemStack itemStack, EntityPlayer entityPlayer, EntityLivingBase entityLivingBase) {

        if (entityPlayer.worldObj.isRemote) {

            return false;

        }

        if (entityLivingBase instanceof EntityChicken) {

            // entityLivingBase이 닭인지 확인합니다.

            if (entityLivingBase.getHealth() > 1.0F) {

                // 대상의 체력이 1보다 높을 때만 동작합니다. 즉, 이 도구를 이용한다 해도 대상이 죽지는 않습니다. 죽기 전까지 털이 뽑힐 뿐.

                // 아이템을 드롭하는, 자주 쓰이는 코드입니다.

                Random rand = new Random();

                // 임의의 방향으로 아이템이 튕겨 지도록 랜덤 객체를 만듭니다.

                EntityItem ent = entityLivingBase.entityDropItem(new ItemStack(Items.feather), 1.0F);

                // entityLivingBase가 깃털의 EntityItem인 ent를 떨어뜨리도록 하고, y축 기본 속도를 1.0으로 설정합니다.

                ent.motionY += rand.nextFloat() * 0.05F;

                ent.motionX += (rand.nextFloat() - rand.nextFloat()) * 0.1F;

                ent.motionZ += (rand.nextFloat() - rand.nextFloat()) * 0.1F;

                // 임의의 속도를 부여합니다.

                entityLivingBase.attackEntityFrom(DamageSource.causePlayerDamage(entityPlayer), 1.0F);

                // entityLivingBase에게 플레이어(entityPlayer)로부터 피해를 1 받도록 합니다.

                itemStack.damageItem(1, entityLivingBase);

                // 내구도를 1 소모시킵니다.

                return true;

            }

        }

        return false;

    }

ItemFortuneCookie.java

public class ItemFortuneCookie extends Item {

}

ModItems.java

public final class ModItems {

    public static Item itemFortuneCookie;

    public static final void init() {

        itemFortuneCookie = new ItemFortuneCookie().setUnlocalizedName("fortuneCookie").setCreativeTab(CreativeTabs.tabMisc).setTextureName("basictutorial:fortuneCookie");

        GameRegistry.registerItem(itemFortuneCookie, "fortuneCookie");

    }

}

en_US.lang

item.fortuneCookie.name=Fortune Cookie

ItemFortuneCookie.java

@Override

public ItemStack onItemRightClick(ItemStack itemStack, World world, EntityPlayer player) {

    return itemStack;

}

ItemFortuneCookie.java

@Override

public ItemStack onItemRightClick(ItemStack itemStack, World world, EntityPlayer player) {

    player.addChatComponentMessage(new ChatComponentText("Example Message"));

    return itemStack;

}

ItemFortuneCookie.java

@Override

public ItemStack onItemRightClick(ItemStack itemStack, World world, EntityPlayer player) {

    if (world.isRemote) {

        player.addChatComponentMessage(new ChatComponentText("Example Message"));

    }

    return itemStack;

}

ItemFortuneCookie.java

public static String[] fortune = {"BRING HIM THE PHOTO", "YOU WILL DIE ALONE", "YOU ARE THROWING YOUR LIFE AWAY", "GO OUTSIDE!", "ASK AGAIN LATER", "THINK FOR YOURSELF", "QUESTION AUTHORITY", "YOU ARE WORSHIPING A SUN GOD", "DON'T LEAVE THE HOUSE TODAY", "GIVE UP!", "MARRY AND REPRODUCE", "STAY ASLEEP", "WAKE UP", "WE WILL ALL DIE ONE DAY", "LOOK TO LA LUNA", "STEVEN LIVES ", "MEET STRANGERS WITHOUT PREJUDICE", "A HANGED MAN WILL BRING YOU NO LUCK TODAY", "WHAT DO YOU WANT TO DO TODAY?", "YOU ARE DARK INSIDE", "HAVE YOU SEEN THE EXIT?", "GET A BABY PET IT WILL CHEER YOU UP", "YOUR PRINCESS IS IN ANOTHER CASTLE", "YOU ARE PLAYING IT WRONG GIVE ME THE CONTROLLER", "TRUST GOOD PEOPLE", "LIVE TO DIE", "WHEN LIFE GIVES YOU LEMONS REROLL!"};

@Override

public ItemStack onItemRightClick(ItemStack itemStack, World world, EntityPlayer player) {

    if (world.isRemote) {

        player.addChatComponentMessage(new ChatComponentText(fortune[player.getRNG().nextInt(fortune.length)]));

    }

    return itemStack;

}

ItemFortuneCookie.java

@Override

public ItemStack onItemRightClick(ItemStack itemStack, World world, EntityPlayer player) {

    if (!player.capabilities.isCreativeMode) {

        --itemStack.stackSize;

    }

    if (world.isRemote) {

        player.addChatComponentMessage(new ChatComponentText(fortune[player.getRNG().nextInt(fortune.length)]));

    }

    return itemStack;

}

ItemMetadata.java

package oortcloud.basictutorial.item;

import net.minecraft.item.Item;

public class ItemMetadata extends Item {

}

ItemMetadata.java

public ItemMetadata() {

    setHasSubtypes(true);

}

ModItems.java

public final class ModItems {

    public static Item itemNumber;

    public static final void init() {

        itemNumber = new ItemMetadata().setUnlocalizedName("itemNumber").setCreativeTab(CreativeTabs.tabMisc);

        GameRegistry.registerItem(itemNumber, "itemNumber");

    }

}

en_US.lang

item.itemNumber_0.name=Number Zero

item.itemNumber_1.name=Number One

item.itemNumber_2.name=Number Two

item.itemNumber_3.name=Number Three 

ItemMetadata.java

@Override

public String getUnlocalizedName(ItemStack itemStack) {

    return getUnlocalizedName()+"_"+itemStack.getItemDamage();

}

ItemMetadata.java

public IIcon[] icons = new IIcon[4];

( … )

@Override

public void registerIcons(IIconRegister iconRegister) {

for (int i = 0; i < icons.length; i++) {

this.icons[i] = iconRegister.registerIcon("basictutorial:itemNumber_" + i);

}

}

ItemMetadata.java

@Override

public IIcon getIconFromDamage(int damage) {

    if (damage > icons.length) {

        damage = 0;

    }

    return icons[damage];

}

ItemMetadata.java

@Override

public void getSubItems(Item item, CreativeTabs tab, List list) {

    for (int i = 0; i < icons.length; i ++) {

list.add(new ItemStack(item, 1, i));

}

}

ItemMetadata.java

package oortcloud.basictutorial.item;

import java.util.List;

import net.minecraft.client.renderer.texture.IIconRegister;

import net.minecraft.creativetab.CreativeTabs;

import net.minecraft.item.Item;

import net.minecraft.item.ItemStack;

import net.minecraft.util.IIcon;

public class ItemMetadata extends Item {

    public IIcon[] icons = new IIcon[4];

    public ItemMetadata() {

        setHasSubtypes(true);

    }

    @Override

    public void getSubItems(Item item, CreativeTabs tab, List list) {

        for (int i = 0; i < icons.length; i ++) {

     list.add(new ItemStack(item, 1, i));

     }

    }

    @Override

    public void registerIcons(IIconRegister iconRegister) {

     for (int i = 0; i < icons.length; i++) {

     this.icons[i] = iconRegister.registerIcon("basictutorial:itemNumber_" + i);

     }

    }

    @Override

    public IIcon getIconFromDamage(int damage) {

        if (damage > icons.length) {

            damage = 0;

        }

        return icons[damage];

    }

    @Override

    public String getUnlocalizedName(ItemStack itemStack) {

        return getUnlocalizedName()+"_"+itemStack.getItemDamage();

    }

}

ModItems.java

package oortcloud.basictutorial.item;

import cpw.mods.fml.common.registry.GameRegistry;

import net.minecraft.creativetab.CreativeTabs;

import net.minecraft.item.Item;

public final class ModItems {

    public static Item itemNumber;

    public static final void init() {

        itemNumber = new ItemMetadata().setUnlocalizedName("itemNumber").setCreativeTab(CreativeTabs.tabMisc);

        GameRegistry.registerItem(itemNumber, "itemNumber");

    }

}

ModItems.java

package oortcloud.basictutorial.item;

public final class ModItems {

    public static final void init() {

    }

}

ModItems.java

package oortcloud.basictutorial.item;

import net.minecraft.item.Item;

public final class ModItems {

    public static Item tutItem;

    public static final void init() {

    }

}

ModItems.java

package oortcloud.basictutorial.item;

import net.minecraft.item.Item;

public final class ModItems {

    public static Item tutItem;

    public static final void init() {

        tutItem = new Item();

    }

}

setUnlocalizedName(String name)

아이템의 이름을 name으로 설정합니다.

setCreativeTab(CreativeTabs tab)

크리에이티브 모드의 tab에서 이 아이템을 찾을 수 있습니다.

setTextureName(String name)

텍스쳐의 이름을 name으로 설정합니다.

setMaxStackSize(int size)

중첩될 수 있는 최대 개수를 size로 설정합니다.

tutItem = new item().setUnlocalizedName("tutItem").setCreativeTab(CreativeTabs.tabMisc);

public static void GameRegistry.registerItem(Item item, String name)

Item item

등록할 아이템 객체입니다.

String name

setUnlocalizedName()에서 사용한 이름과 같은 이름입니다.

ModItems.java

package oortcloud.basictutorial.item;

public final class ModItems {

    public static Item tutItem;

    public static final void init() {

        tutItem = new Item().setUnlocalizedName("tutItem").setCreativeTab(CreativeTabs.tabMisc);

        GameRegistry.registerItem(tutItem, "tutItem");

    }

}

BasicTutorial.java

( … )

    @Mod.EventHandler

    public static void preInit(FMLPreInitializationEvent event) {

        ModItems.init();

    }

( … )

.setTextureName("basictutorial:tutItem")

ModItems.java

package oortcloud.basictutorial.item;

public final class ModItems {

    public static Item tutItem;

    public static final void init() {

        tutItem = new Item().setUnlocalizedName("tutItem").setCreativeTab(CreativeTabs.tabMisc).setTextureName("basictutorial:tutItem");

        GameRegistry.registerItem(tutItem, "tutItem");

    }

}

void GameRegistry.addRecipe(IRecipe recipe)

IRecipe recipe

등록될 조합법

new ShapedOreRecipe(ItemStack result, Object... recipe)

ItemStack result

조합법 결과

Object... recipe

조합법 배치 및 재료들

new ShapelessOreRecipe(ItemStack result, Object... recipe)

ItemStack result

조합법 결과

Object... recipe

조합법 재료들

GameRegistry.addRecipe(new ShapedOreRecipe(new ItemStack(Blocks.chest,8), "aaa","a a","aaa", 'a', "logWood"));

GameRegistry.addShapedRecipe(new ItemStack(Blocks.dispenser),

"aaa", "aba", "aca",

'a' , Blocks.cobblestone, 'b', new ItemStack(Items.bow, 1, OreDictionary.WILDCARD_VALUE), 'c', Items.redstone);

A

A

A

A

A

A

@Mod(modid = "basictutorial", name = "Basic Tutorial", version = "1.0.0")

public class BasicTutorial {

    @SidedProxy(clientSide = "oortcloud.basictutorial.ClientProxy", serverSide = "oortcloud.basictutorial.CommonProxy")

    public static CommonProxy proxy;

    @Mod.EventHandler

    public static void preInit(FMLPreInitializationEvent event) {

    }

    @Mod.EventHandler

    public static void Init(FMLInitializationEvent event) {

    }

    @Mod.EventHandler

    public static void postInit(FMLPostInitializationEvent event) {

    }

}

GameRegistry.addShapelessRecipe(ItemStack output, Object... params)

ItemStack output : 조합법의 결과인 ItemStack입니다.

Object... params : 조합법의 재료인 다수의 ItemStack입니다.

    @Mod.EventHandler

    public static void preInit(FMLPreInitializationEvent event) {

        GameRegistry.addShapelessRecipe(new ItemStack(Items.bread, 2), new ItemStack(Items.wheat), new ItemStack(Items.wheat), new ItemStack(Items.sugar));

    }

GameRegistry.addSmelting(ItemStack input, ItemStack output, float xp)

ItemStack input : 조합법의 재료가 되는 ItemStack입니다. Item과 Block이 직접 사용될 수도 있습니다.

ItemStack output : 조합법의 결과가 되는 ItemStack입니다.

float xp : 지급되는 경험치 양입니다.

    @Mod.EventHandler

    public static void preInit(FMLPreInitializationEvent event) {

        GameRegistry.addSmelting(Items.wheat, new ItemStack(Items.bread), 1.0F);

    }

public ItemStack(Item item, int stacksize, int damage)

public ItemStack(Item item, int stacksize) : damage=0으로 설정

public ItemStack(Item item) : stacksize=1, damage=0으로 설정

package tutorial;

import cpw.mods.fml.common.Mod;

import cpw.mods.fml.common.SidedProxy;

import cpw.mods.fml.common.event.FMLInitializationEvent;

import cpw.mods.fml.common.event.FMLPostInitializationEvent;

import cpw.mods.fml.common.event.FMLPreInitializationEvent;

@Mod(modid = "tutorial", name = "Tutorial", version = "Test Version")

public class Tutorial {

    @SidedProxy(clientSide = "tutorial.ClientProxy", serverSide = "tutorial.CommonProxy")

    public static CommonProxy proxy;

    @Mod.EventHandler

    public static void preInit(FMLPreInitializationEvent event) {

    }

    @Mod.EventHandler

    public static void Init(FMLInitializationEvent event) {

    }

    @Mod.EventHandler

    public static void postInit(FMLPostInitializationEvent event) {

    }

}

package net.minecraft.potion;

import com.google.common.collect.Maps;

import cpw.mods.fml.relauncher.Side;

import cpw.mods.fml.relauncher.SideOnly;

import java.util.Iterator;

import java.util.Map;

import java.util.UUID;

import java.util.Map.Entry;

import net.minecraft.entity.EntityLivingBase;

import net.minecraft.entity.SharedMonsterAttributes;

import net.minecraft.entity.ai.attributes.AttributeModifier;

import net.minecraft.entity.ai.attributes.BaseAttributeMap;

import net.minecraft.entity.ai.attributes.IAttribute;

import net.minecraft.entity.ai.attributes.IAttributeInstance;

import net.minecraft.entity.player.EntityPlayer;

import net.minecraft.util.DamageSource;

import net.minecraft.util.StringUtils;

public class Potion

{

/** The array of potion types. */

public static final Potion[] potionTypes = new Potion[32];

public static final Potion field_76423_b = null;

public static final Potion moveSpeed = (new Potion(1, false, 8171462)).setPotionName("potion.moveSpeed").setIconIndex(0, 0).func_111184_a(SharedMonsterAttributes.movementSpeed, "91AEAA56-376B-4498-935B-2F7F68070635", 0.20000000298023224D, 2);

public static final Potion moveSlowdown = (new Potion(2, true, 5926017)).setPotionName("potion.moveSlowdown").setIconIndex(1, 0).func_111184_a(SharedMonsterAttributes.movementSpeed, "7107DE5E-7CE8-4030-940E-514C1F160890", -0.15000000596046448D, 2);

public static final Potion digSpeed = (new Potion(3, false, 14270531)).setPotionName("potion.digSpeed").setIconIndex(2, 0).setEffectiveness(1.5D);

public static final Potion digSlowdown = (new Potion(4, true, 4866583)).setPotionName("potion.digSlowDown").setIconIndex(3, 0);

public static final Potion damageBoost = (new PotionAttackDamage(5, false, 9643043)).setPotionName("potion.damageBoost").setIconIndex(4, 0).func_111184_a(SharedMonsterAttributes.attackDamage, "648D7064-6A60-4F59-8ABE-C2C23A6DD7A9", 3.0D, 2);

public static final Potion heal = (new PotionHealth(6, false, 16262179)).setPotionName("potion.heal");

public static final Potion harm = (new PotionHealth(7, true, 4393481)).setPotionName("potion.harm");

public static final Potion jump = (new Potion(8, false, 7889559)).setPotionName("potion.jump").setIconIndex(2, 1);

public static final Potion confusion = (new Potion(9, true, 5578058)).setPotionName("potion.confusion").setIconIndex(3, 1).setEffectiveness(0.25D);

/** The regeneration Potion object. */

public static final Potion regeneration = (new Potion(10, false, 13458603)).setPotionName("potion.regeneration").setIconIndex(7, 0).setEffectiveness(0.25D);

public static final Potion resistance = (new Potion(11, false, 10044730)).setPotionName("potion.resistance").setIconIndex(6, 1);

/** The fire resistance Potion object. */

public static final Potion fireResistance = (new Potion(12, false, 14981690)).setPotionName("potion.fireResistance").setIconIndex(7, 1);

/** The water breathing Potion object. */

public static final Potion waterBreathing = (new Potion(13, false, 3035801)).setPotionName("potion.waterBreathing").setIconIndex(0, 2);

/** The invisibility Potion object. */

public static final Potion invisibility = (new Potion(14, false, 8356754)).setPotionName("potion.invisibility").setIconIndex(0, 1);

/** The blindness Potion object. */

public static final Potion blindness = (new Potion(15, true, 2039587)).setPotionName("potion.blindness").setIconIndex(5, 1).setEffectiveness(0.25D);

/** The night vision Potion object. */

public static final Potion nightVision = (new Potion(16, false, 2039713)).setPotionName("potion.nightVision").setIconIndex(4, 1);

/** The hunger Potion object. */

public static final Potion hunger = (new Potion(17, true, 5797459)).setPotionName("potion.hunger").setIconIndex(1, 1);

/** The weakness Potion object. */

public static final Potion weakness = (new PotionAttackDamage(18, true, 4738376)).setPotionName("potion.weakness").setIconIndex(5, 0).func_111184_a(SharedMonsterAttributes.attackDamage, "22653B89-116E-49DC-9B6B-9971489B5BE5", 2.0D, 0);

/** The poison Potion object. */

public static final Potion poison = (new Potion(19, true, 5149489)).setPotionName("potion.poison").setIconIndex(6, 0).setEffectiveness(0.25D);

/** The wither Potion object. */

public static final Potion wither = (new Potion(20, true, 3484199)).setPotionName("potion.wither").setIconIndex(1, 2).setEffectiveness(0.25D);

public static final Potion field_76434_w = (new PotionHealthBoost(21, false, 16284963)).setPotionName("potion.healthBoost").setIconIndex(2, 2).func_111184_a(SharedMonsterAttributes.maxHealth, "5D6F0BA2-1186-46AC-B896-C61C5CEE99CC", 4.0D, 0);

public static final Potion field_76444_x = (new PotionAbsoption(22, false, 2445989)).setPotionName("potion.absorption").setIconIndex(2, 2);

public static final Potion field_76443_y = (new PotionHealth(23, false, 16262179)).setPotionName("potion.saturation");

    public static int getEmptyID() {

        for (int i = 1 ; i < Potion.potionTypes.length; i++) {

            if (Potion.potionTypes[i] == null) return i;

        }

        return -1;

    }

    public static void expand() {

        Potion[] potionTypes = null;

        for (Field f : Potion.class.getDeclaredFields()) {

            f.setAccessible(true);

            try {

                if (f.getName().equals("potionTypes")

                        || f.getName().equals("field_76425_a")) {

                    Field modfield = Field.class.getDeclaredField("modifiers");

                    modfield.setAccessible(true);

                    modfield.setInt(f, f.getModifiers() & ~Modifier.FINAL);

                    potionTypes = (Potion[]) f.get(null);

                    final Potion[] newPotionTypes = new Potion[Potion.potionTypes.length*2];

                    System.arraycopy(potionTypes, 0, newPotionTypes, 0,

                            potionTypes.length);

                    f.set(null, newPotionTypes);

                }

            } catch (Exception e) {

            }

        }

    }

package tutorial;

import net.minecraft.potion.Potion;

public class PotionTutorial extends Potion {

    public PotionTutorial(int id, boolean isBadEffect, int color) {

        super(id, isBadEffect, color);

        setPotionName("potion.timeslow");

    }

}

    public static Potion potionTutorial;

@Mod.EventHandler

    public static void preInit(FMLPreInitializationEvent event) {

        int id = getEmptyID();

        if (id != -1) {

            potionTutorial = new PotionTutorial(getEmptyID(), false, 0xFFFFFF);

        } else {

            expand();

            potionTutorial = new PotionTutorial(getEmptyID(), false, 0xFFFFFF);

        }

    }

protected Potion(int p_i1573_1_, boolean p_i1573_2_, int p_i1573_3_)

int p_i1573_1_,

포션의 id입니다

boolean p_i1573_2_

포션이 해로운 효과인지를 나타냅니다. 해로운 효과면 포션이 약화됩니다.

int p_i1573_3_

포션의 색 입니다. 입자 색을 결정합니다. 0xFFFFFF는 16진법으로, 흰색을 의미합니다.

    ResourceLocation texture = new ResourceLocation("tutorial","textures/potions/potiontutorial.png");

    public PotionTutorial(int id, boolean isBadEffect, int color) {

        super(id, isBadEffect, color);

        setPotionName("potion.timeslow");    }

    @Override

    public void renderInventoryEffect(int x, int y, PotionEffect effect, Minecraft mc) {

        mc.getTextureManager().bindTexture(texture);

        drawTexturedRect(x+6, y+7, 16, 16);

    }

    public static void drawTexturedRect(int left, int up, int width, int height) {

Tessellator tessellator = Tessellator.instance;

tessellator.startDrawingQuads();

tessellator.addVertexWithUV((double)left, (double)(up + height), 0.0D, 0.0D, 1.0D);

tessellator.addVertexWithUV((double)(left + width), (double)(up + height), 0.0D, 1.0D, 1.0D);

tessellator.addVertexWithUV((double)(left + width), (double)up, 0.0D, 1.0D, 0.0D);

tessellator.addVertexWithUV((double)left, (double)up, 0.0D, 0.0D, 0.0D);

tessellator.draw();

    }

    @Override

    public void performEffect(EntityLivingBase entity, int level) {

    }

    @Override

    public boolean isReady(int duration, int level) {

        return true;

    }

    @Override

    public void performEffect(EntityLivingBase entity, int level) {

        double radius = 8;

        double x = entity.posX;

        double y = entity.posY;

        double z = entity.posZ;

        List projectiles = entity.worldObj.getEntitiesWithinAABB(IProjectile.class, entity.boundingBox.expand(radius, radius, radius));

        for (Object i : projectiles) {

            Entity proj = (Entity)i;

            proj.motionX*=0.5;

            proj.motionY*=0.5;

            proj.motionZ*=0.5;

        }

    }

        entity.addPotionEffect(new PotionEffect(Tutorial.potionTutorial.id, 6000, 1, false));