ActuallyAdditions/src/main/java/de/ellpeck/actuallyadditions/mod/util/ItemUtil.java
2016-07-20 10:42:41 +02:00

127 lines
4.5 KiB
Java

/*
* This file ("ItemUtil.java") is part of the Actually Additions mod for Minecraft.
* It is created and owned by Ellpeck and distributed
* under the Actually Additions License to be found at
* http://ellpeck.de/actaddlicense
* View the source code at https://github.com/Ellpeck/ActuallyAdditions
*
* © 2015-2016 Ellpeck
*/
package de.ellpeck.actuallyadditions.mod.util;
import de.ellpeck.actuallyadditions.mod.ActuallyAdditions;
import de.ellpeck.actuallyadditions.mod.blocks.base.ItemBlockBase;
import de.ellpeck.actuallyadditions.mod.creative.CreativeTab;
import net.minecraft.block.Block;
import net.minecraft.enchantment.Enchantment;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.util.ResourceLocation;
import net.minecraftforge.fml.common.registry.GameRegistry;
import java.util.List;
public final class ItemUtil{
public static Item getItemFromName(String name){
ResourceLocation resLoc = new ResourceLocation(name);
if(Item.REGISTRY.containsKey(resLoc)){
return Item.REGISTRY.getObject(resLoc);
}
return null;
}
public static void registerBlock(Block block, ItemBlockBase itemBlock, String name, boolean addTab){
block.setUnlocalizedName(ModUtil.MOD_ID+"."+name);
block.setRegistryName(ModUtil.MOD_ID, name);
GameRegistry.register(block);
itemBlock.setRegistryName(block.getRegistryName());
GameRegistry.register(itemBlock);
block.setCreativeTab(addTab ? CreativeTab.INSTANCE : null);
}
public static void registerItem(Item item, String name, boolean addTab){
item.setUnlocalizedName(ModUtil.MOD_ID+"."+name);
item.setRegistryName(ModUtil.MOD_ID, name);
GameRegistry.register(item);
item.setCreativeTab(addTab ? CreativeTab.INSTANCE : null);
if(item instanceof IColorProvidingItem){
ActuallyAdditions.proxy.addColoredItem(item);
}
}
/**
* Returns true if array contains stack or if both contain null
*/
public static boolean contains(ItemStack[] array, ItemStack stack, boolean checkWildcard){
return getPlaceAt(array, stack, checkWildcard) != -1;
}
/**
* Returns the place of stack in array, -1 if not present
*/
public static int getPlaceAt(ItemStack[] array, ItemStack stack, boolean checkWildcard){
if(array != null && array.length > 0){
for(int i = 0; i < array.length; i++){
if((stack == null && array[i] == null) || areItemsEqual(stack, array[i], checkWildcard)){
return i;
}
}
}
return -1;
}
public static boolean areItemsEqual(ItemStack stack1, ItemStack stack2, boolean checkWildcard){
return stack1 != null && stack2 != null && (stack1.isItemEqual(stack2) || (checkWildcard && stack1.getItem() == stack2.getItem() && (stack1.getItemDamage() == Util.WILDCARD || stack2.getItemDamage() == Util.WILDCARD)));
}
/**
* Returns true if list contains stack or if both contain null
*/
public static boolean contains(List<ItemStack> list, ItemStack stack, boolean checkWildcard){
return !(list == null || list.isEmpty()) && getPlaceAt(list.toArray(new ItemStack[list.size()]), stack, checkWildcard) != -1;
}
public static void addEnchantment(ItemStack stack, Enchantment e, int level){
if(!hasEnchantment(stack, e)){
stack.addEnchantment(e, level);
}
}
public static boolean hasEnchantment(ItemStack stack, Enchantment e){
NBTTagList ench = stack.getEnchantmentTagList();
if(ench != null){
for(int i = 0; i < ench.tagCount(); i++){
short id = ench.getCompoundTagAt(i).getShort("id");
if(id == Enchantment.getEnchantmentID(e)){
return true;
}
}
}
return false;
}
public static void removeEnchantment(ItemStack stack, Enchantment e){
NBTTagList ench = stack.getEnchantmentTagList();
if(ench != null){
for(int i = 0; i < ench.tagCount(); i++){
short id = ench.getCompoundTagAt(i).getShort("id");
if(id == Enchantment.getEnchantmentID(e)){
ench.removeTag(i);
}
}
if(ench.hasNoTags() && stack.hasTagCompound()){
stack.getTagCompound().removeTag("ench");
}
}
}
}