Postea/src/main/java/com/colen/postea/Postea.java

package com.colen.postea;

import com.colen.postea.API.BlockReplacementManager;
import com.colen.postea.API.ItemStackReplacementManager;
import cpw.mods.fml.common.Mod;
import cpw.mods.fml.common.event.FMLPreInitializationEvent;
import net.minecraft.init.Blocks;
import net.minecraft.item.Item;

@Mod(modid = Tags.MODID, version = Tags.VERSION, name = Tags.MODNAME, acceptedMinecraftVersions = "[1.7.10]")
@SuppressWarnings("unused")
public class Postea {

    @Mod.EventHandler
    public void preInit(FMLPreInitializationEvent event) {
        ItemStackReplacementManager.addItemReplacement(Item.getItemFromBlock(Blocks.grass), 0, Item.getItemFromBlock(Blocks.coal_ore), 10);
        BlockReplacementManager.addBlockReplacement(Blocks.bedrock, 0, Blocks.wool, 2);
    }
}