package totemic_commons.pokefenn.event;

import cpw.mods.fml.common.eventhandler.SubscribeEvent;
import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraftforge.event.entity.player.PlayerInteractEvent;
import totemic_commons.pokefenn.ModBlocks;
import totemic_commons.pokefenn.block.tipi.BlockTipi;

/**
 * Created by Pokefenn.
 * Licensed under MIT (If this is one of my Mods)
 */
public class EntityRightClick
{

    @SubscribeEvent
    public void entityInteracti(PlayerInteractEvent event)
    {
        if(event.action == PlayerInteractEvent.Action.RIGHT_CLICK_BLOCK)
        {
            Block block = event.world.getBlock(event.x, event.y, event.z);
            if(block != null)
            {
                if(block.getMaterial() == Material.ground || block.getUnlocalizedName().contains("dirt") || block.getUnlocalizedName().contains("grass"))
                {
                    if(event.world.getBlock(event.x, event.y + 1, event.z) == ModBlocks.tipi)
                    {
                        ((BlockTipi) event.world.getBlock(event.x, event.y + 1, event.z)).tipiSleep(event.world, event.x, event.y + 1, event.z, event.entityPlayer);
                    }
                }
            }
        }
    }
}

package totemic_commons.pokefenn.event;

import cpw.mods.fml.common.eventhandler.SubscribeEvent;
import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraftforge.event.entity.player.PlayerInteractEvent;
import totemic_commons.pokefenn.ModBlocks;
import totemic_commons.pokefenn.block.tipi.BlockTipi;

/**
 * Created by Pokefenn.
 * Licensed under MIT (If this is one of my Mods)
 */
public class EntityRightClick
{

    @SubscribeEvent
    public void entityInteracti(PlayerInteractEvent event)
    {
        if(event.action == PlayerInteractEvent.Action.RIGHT_CLICK_BLOCK)
        {
            if(event.world.getBlock(event.x, event.y + 1, event.z) == ModBlocks.tipi)
            {
                Block block = event.world.getBlock(event.x, event.y, event.z);
                if(block != null)
                {
                    if(block.getMaterial() == Material.ground || block.getUnlocalizedName().contains("dirt") || block.getUnlocalizedName().contains("grass"))
                    {
                        ((BlockTipi)ModBlocks.tipi).tipiSleep(event.world, event.x, event.y + 1, event.z, event.entityPlayer);
                    }
                }
            }
        }
    }
}

Change order of checks on Tipi PlayerInteractEvent