RegisterUtil

package com.nuparu.sevendaystomine.util;

import com.google.common.collect.ImmutableList;
import com.nuparu.sevendaystomine.init.Blocks;
import com.nuparu.sevendaystomine.init.Items;

import net.minecraft.block.Block;
import net.minecraft.block.state.IBlockState;
import net.minecraft.client.renderer.block.model.ModelResourceLocation;
import net.minecraft.client.renderer.block.statemap.DefaultStateMapper;
import net.minecraft.client.renderer.block.statemap.StateMapperBase;
import net.minecraft.item.Item;
import net.minecraft.item.ItemBlock;
import net.minecraftforge.client.model.ModelLoader;
import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;
import net.minecraftforge.fml.common.registry.GameRegistry;
import net.minecraftforge.fml.relauncher.Side;

public class RegisterUtil {

    public static void registerAll(FMLPreInitializationEvent event) {
        registerItems(event, Items.IRON_SCRAP, Items.BRASS_SCRAP, Items.LEAD_SCRAP, Items.EMPTY_CAN, Items.STONE_AXE,
                Items.PLANK_WOOD, Items.SMALL_STONE);
        registerBlocks(event, Blocks.OAK_FRAME, Blocks.BIRCH_FRAME, Blocks.SPRUCE_FRAME, Blocks.JUNGLE_FRAME,
                Blocks.ACACIA_FRAME, Blocks.DARKOAK_FRAME, Blocks.OAK_PLANKS_REINFORCED, Blocks.BIRCH_PLANKS_REINFORCED,
                Blocks.SPRUCE_PLANKS_REINFORCED, Blocks.JUNGLE_PLANKS_REINFORCED, Blocks.ACACIA_PLANKS_REINFORCED,
                Blocks.DARKOAK_PLANKS_REINFORCED, Blocks.OAK_PLANKS_REINFORCED_IRON,
                Blocks.BIRCH_PLANKS_REINFORCED_IRON, Blocks.SPRUCE_PLANKS_REINFORCED_IRON,
                Blocks.JUNGLE_PLANKS_REINFORCED_IRON, Blocks.ACACIA_PLANKS_REINFORCED_IRON,
                Blocks.DARKOAK_PLANKS_REINFORCED_IRON, Blocks.SMALL_STONE);
    }

    public static void registerBlocks(FMLPreInitializationEvent event, Block... blocks) {
        for (Block block : blocks) {
            final Item itemBlock = new ItemBlock(block).setRegistryName(block.getRegistryName());

            GameRegistry.register(block);
            GameRegistry.register(itemBlock);
            if (event.getSide() == Side.CLIENT) {
                ImmutableList<IBlockState> values = block.getBlockState().getValidStates();
                for (IBlockState state : values) {

                    StateMapperBase statemapper = new DefaultStateMapper();
                    ModelLoader.setCustomModelResourceLocation(itemBlock, block.getMetaFromState(state),
                            new ModelResourceLocation(block.getRegistryName(),
                                    statemapper.getPropertyString(state.getProperties())));
                }
            }
        }
    }

    public static void registerItems(FMLPreInitializationEvent event, Item... items) {
        for (Item item : items) {

            GameRegistry.register(item);
            if (event.getSide() == Side.CLIENT) {
                ModelLoader.setCustomModelResourceLocation(item, 0,
                        new ModelResourceLocation(item.getRegistryName(), "inventory"));
            }
        }
    }
}